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02/01/2010 Backup Documents CLAM BAY SUBCOMMITTEE MEETING BACKUP DOCUMENTS FEBRUARY 1, 2010 . CAG March 12, 2009 Vlll.8 New Business 7 of 10 ~tl~ , COLLIER COUNTY "CLAM BAY ADVISORY COMMITTEE" MISSION, FUNCTIONS, POWERS, DUTIES & WORK PLAN RECOMMENDED BOUNDARIES The Clam Bay Advisory Committee (hereafter "the Committee") has defined the boundaries of the Clam Bay Estuary (hereafter "the Estuary") as,,;,,"el dlly, that wetland area south of Vanderbilt Beach Road and north of the Sea Gate~~~,Y,-:;;;-lly. The Committee will limit its review and recommendations to this defined area which will include Outer, Inner and Upper Clam Bay with the interconnecting canals from Vander~lt Beach Road to Sea gate Drive. Specifically, the Estuary area will be as defined as the National Resource Protection Area (NRPA); that is, "the entire Clam Pass system which includes the 2 miles of beach and dune ridge north to Vanderbilt Road, 0.6 miles of beach and dune ridge south to Seagate Drive, the associated back bay systems including those of Outer Clam Bay, Inner Clam Bay and Upper Clam Bay.1I COMMITTEE MISSION The Committee's mission is to advise, assist and make joint recommendations to the Board of County Commissioners ("BCe) and the Coastal Advisory Committee ("CAC") with all major issues affecting the management, use, direction, health and long term viability of the Clam Bay Estuary in accordance with the protection afforded Clam Pass and Clam Bay's NRPA and conservation designations as delineated in the Future land Use Element of the Collier County Growth Plan and Coastal Zone Management Plan. In doing so, the Committee will formulate recommendations for review and recommend possible funding sources that may be required by such recommendations. COMMITTEE FUNCTIONS AND POWERS The Committee's powers and functions are as an advisory group with the responsibility of making recommendations pertinent to the Estuary. COMMITTEE DUTIES The Committee has defined its specific duties and scope of work relative to its defined mission as the review and recommendations associated with, but not limited to, the major issues listed below. The Committee plans on integrating their recommendations on these specific issues into a comprehensive long term management plan as well as suggested guidelines for the day-to- day operation ofthe Estuary. 3/1/2009 Page 1 CBAC October 28. 2009 [l ~x~; aNew Business ~ I CV cr ORDINANCE NO. 2008- 48 AN ORDINANCE CREATING THE CLAM BAY ADVISORY COMMITTEE; PROVIDING FOR CREATION AND PURPOSE; PROVIDING FUNCTIONS, POWERS AND DUTIES; PROVIDING FOR APPOINTMENT AND COMPOSITION, TERMS OF OFFICE, ATTENDANCE AND FILLING OF VACANCIES; PROVIDING FOR REMOVAL FROM OFFICE FOR FAILURE TO ATTEND MEETINGS; PROVIDING FOR OFFICERS, QUORUM AND RULES OF PROCEDURE; PROVIDING FOR REVIEW AND SUNSET PROVISION; PROVIDING FOR INCLUSION IN CODE OF LAWS AND ORDINANCES; PROVIDING FOR CONFLICT AND SEVERABILITY; AND PROVIDING FOR AN EFFECTIVE DATE. WHEREAS, the Board of County Commissioners of Collier County approved creating the Clam Bay Advisory Committee on July 22, 2008; and ,.-; WHEREAS, the purpose of this Committee is to review issues affecting theii!*ire ~am r--:. co Bay estuary system including the direction, management, health and long term Vi~~y ~the"Tl Ulf~ - = (f). 'J:) ~j entire estuary system and to make recommendations directly to the Coastal Adviso~~-6.ttell1 -:r " _..... which will then forward any recommendations to the Board of County Commissioneg~d-;:- \:} C3~ r, WHEREAS, the Clam Bay estuary system is a designated Natural ResourC'e"'P'rot~tion Area (NRPA). NOW, THEREFORE, BE IT ORDAINED BY THE BOARD OF COUNTY COMMISSIONERS OF COLLIER COUNTY, FLORIDA that: SECTION ONE: Creation and Pnrpose of the Clam Bay Advisory Committee. There is hereby created the Clam Bay Advisory Committee (hereinafter the "Committee"). The Committee is created to assist the Coastal Advisory Committee and the Board of County Commissioners with all issues affecting the entire Clam Bay estuary system, including the management, direction, health, and long term viability of the estuary system. CBAC October 28. 2009 ~ II 0 IX-l New Business r " 30f6 ~ SECTION TWO: Functions, Powers and Duties of the Advisory Committee. Once members have been appointed to the Committee, the membership shall develop a mission statement, outline its specific functions, powers, and duties, and develop a work plan which will be presented to the Board of County Commissioners for review and approval. The Committee will also recommend the boundaries of the Clam Bay estuary system to the Board of County Commissioners. SECTION THREE: Appointment and Composition; Terms of Office; Attendance and Filling Vacancies. The Committee shall be composed of nine members whose membership shall include two representatives from Pelican Bay,; two representatives from Seagate and/or Naples Cay; one resident from District I; one resident from District 3; one representative from District 5; and two members from the community at large with specific technical scientific expertise related to estuary management and protection. Committee members shall be sought in accordance with the provision of Collier County Ordinance 01-55, as amended, or by its successor ordinance. The initial term of office of the Committee shall be one year. The Committee will be reviewed by the Board of County Commissioners in one year in compliance with Section Six of this Ordinance. Members of the Committee shall be appointed and serve at the pleasure of the Board of County Commissioners. Members shall meet the qualifications for membership and requirements as outlined in Ordinance No. 01-55, as amended, or by its successor ordinance. Appointment of members to the Committee shall be by resolution of the Board of County Page 2 of 4 - CBAC October 28, 2009 IX-1 New Business 4of6 ^ I tl ~O rtGV Commissioners, which resolution shall set forth the date of appointment. Appointments to fill any vacancies on the Committee shall be for the remainder of the unexpired term. Section Four. Removal from Office; Failure to Attend Meetings. Removal from office and attendance requirements shall be governed by Ordinance No. 01-55, as amended, or by its successor ordinance. Section Five. Officers; Quorum; Rules of Procedure. At its earliest opportunity, the membership of the Committee shall elect a chairman and vice chairman from among the members. Officers shall serve for a one year term with eligibility for reelection. The presence of five or more members shall constitute a quorum of the Committee necessary to take action and transact business. The Committee shall, by majority vote of the entire membership, adopt by-laws for the scope and transaction of business to be approved by the Board of County Commissioners. The Committee shall keep a written record of meetings, resolutions, findings and determinations. Copies of all Committee minutes, resolutions, reports and exhibits shall be submitted to the Board of County Commissioners. Section Six. Review Process and Sunset Provision. This Ordinance shall automatically sunset on December 31, 2009, unless otherwise extended by Resolution of the Board of County Commissioners. The Committee shall provide a written report to the Board of County Commissioners no later than October 20, 2009 with recommendations on whether the Board should continue this Committee. Page 3 of 4 - CBAC October 28, 2009 IX-1 New Business 5of6 ~ ,[to V~ Section Seven: Inclusion in the Code of Laws and Ordinances. The provisions of this Ordinance shall be made a part of the Code of Laws and Ordinances of Collier County, Florida. The sections of the Ordinance may be renumbered or re- lettered to accomplish such, and the word "ordinance" may be changed to "section," "article," or any other appropriate word. Section Eight: Conflict and Severability. In the event this Ordinance conflicts with any other Ordinance of Collier County or other applicable law, the more restrictive shall apply. If any phrase or portion of the Ordinance is held invalid or unconstitutional by any court of competent jurisdiction, such portion shall be deemed a separate, distinct and independent provision and such holding shall not affect the validity of the remaining portion. Section Nine: Effective Date. This Ordinance shall become effective upon filing with the Florida Department of State. PASSED AND DULY ADOPTED by the Board of County Commissioners of Collier County, Florida, this A!:aay of September, 2008. ATTEST: DWlOOtI!.:aROCK, CLERK ~c~ Po(a~Jr . . Deputy Cletk ., ,.Attest ". to. CII. t I"'&!tl , ,"liA..t~ Oftl. , " BOARD OF COUNTY COMMISSIONERS COLLIE COUNT ,FLORIDA BY: TOM HENNING, CHAIRMAN Approved as to form and legal sufficiency: CJ~ft1.~ - Colleen M. Greene Assistant County Attorney Page 4 of 4 - TH'S ordinance fiioo with the 5<..",-:,retory ot :::btt::'s Ohice tr.e _~doy 0f _~+-, ~~ .(jn,.{ (lcknewl~jjg~me~'R. thnl {d:~:~cf~ved this __ cloy "f.~~~ ~. . . ---- ~""i" 'T'! (" CBAC October 28. 2009 ~ t IX-1 New Business to 60fB l t 'c}/ STATE OF FLORIDA) COUNTY OF COLLIER) I, DWIGHT E. BROCK, Clerk of Courts in and for the Twentieth Judicial Circuit, Collier County, Florida, do hereby certify that the foregoing is a true and correct copy of: ORDINANCE 2008-48 Which was adopted by the Board of County Commissioners on the 9th day of September, 2008, during Regular Session. WITNESS my hand and the official seal of the Board of County Commissioners of Collier County, Florida, this 16th day of September, 2008. DWIGHT E. BROCK Clerk of Courts and Clerk Ex-officio to Board of County Commissioners ~UJ..U !?o lo.\1CI IJ( By: Teresa Polaski, Deputy Clerk Contract 07-4153 January 22, 2010 SCOPE OF WORK Jf rl ~() c)V Additional Work Request WO# Contract #07-4153 Upper, Inner and Lower Clam Bay Biological Study January 22, 2010 In 2009, PBS&J completed the study entitled "Clam Bay System Data Collection and Analysis". The purpose of this study was to assess the status and trends (if any) in water quality and natural resources in Clam Bay. develop recommendations on the design of future monitoring efforts, a review of existing circulation models for Clam Bay. and the collection and analysis of hydrodynamic data from Clam Bay. This scope of work is to expound upon that study and look more closely at the biological communities within Upper, Inner and Outer Clam Bay. SCOPE OF WORK Task 1.0 Review of Existing Biological Data A number of different public and private organizations have conducted biological surveys within Clam Bay. A complete data search will be conducted to gather the existing information and used when possible to further evaluate the data collected in Tasks 2.0 through 6.0. Data Sources include but are not limited to: . The Nature Conservancy . The South Florida Water Management District . The Audubon Society . The Florida Fish and Wildlife Conservation Commission . The US Fish and Wildlife Agency . The City of Naples . Collier County . The Department of Environmental Protection . Turrell, Hall & Associates GIS databases, as well as report style information, will be complied and presented in a brief summary in the Biological Assessment report (Task 7.0). Task 2.0 Mangrove Health Assessment The intent of the mangrove health assessment task is to expand upon previous mangrove studies completed in Clam Bay by sampling throughout Upper. Inner and Outer Clam Bay. This assessment is to serve as a more conclusive look at the mangrove ecosystem throughout Clam Bay. Previous studies conducted by the Conservancy of Southwest Florida and Turrell, Hall & Associates, Inc. had focused on monitoring the mangrove die-off area in the northwest corner of the bay. The Turrell. Hall and Associates monitoring was conducted to meet the monitoring requirements specified with restoration permits issued by the FDEP and USACE. This study effort is independent of the previous work. but will utilize some of the same monitoring locations to allow for accurate comparison with previous data. A total of sixteen (16) sampling points will be established. Four (4) samples will be collected within the northwestern die-off area. The remaining twelve samples will be dispersed thr hout U er Inner and Outer Clam Bay. At each sampling point. a 0 m x 0 m quadrant will be established. Within each quadrant. the total number of dead and living mangroves will be counted and species identified. A diameter at breast height (DBH) will be recorded for living trees over 2.5 cm. The total number of seedlings will be counted and species identified, when possible. Total percent coverage will be utilized in areas where the number of seedlings is too great to distinguish and count individual shoots. PBS&J Contract 07 -415 3 January 22, 20 I 0 SCOPE OF WORK 911 \Vv ()V A location point will be taken using GPS at the center of each quadrant. A photo will also be taken a1 each of these 16 points. This scope is for one complete mangrove survey, including the work above. at each of the 16 quadrants. Task 3,0 Wading Bird Survey A wading bird survey will be conducted in accordance with the Florida Fish and Wildlife Conservation Commission (FFWCC) document entitled, "Suggested general bird survey methodology". Using this standard protocol will potentially allow for comparisons with other surveys done previously within this area and in surrounding areas. In accordance with FFWCC requirements, the wading bird surveys will be conducted by a surveyor that is able to properly identify and distinguish bird species and has a working knowledge of breeding plumage and juvenile plumage variation, range of habitat usage including usage of non~native habitat, has recently observed the species to be surveyed in variable habitat conditions, and has knowledge in the ecology specific to Florida. All accessible suitable habitats will be surveyed three times between April and June, with a minimum of 2 to 3 weeks in between surveys. when possible. Surveys will occur during crepuscular times and will occur within 1~3 hours after sunrise and 1~3 hours before sunset. The total number of birds (including, but not limited to. colonial, wading birds, passerine/songbirds and shorebirds) species will be recorded during the survey. Any nesting sites will be marked with GPS. and the approximate number and species will be reco rded. Task 4,0 Fish Survey In order to characterize the fish community in Clam Bay. the composition and relative abundances of fish species will be estimated during two discrete sampling events (three days each). Collection of samples will occur during early summer (May/June) and again during early fall (September/October) and are planned to coincide with annual peaks in the species richness and abundance of fish. During each event. a total of 30 random seine samples will be collected; 10 within Upper and Inner Clam Bay. 10 within Outer Clam Bay. and 10 within the tidal creek adjoining the embayments. Samples will be stratified evenly within each bay. between shoreline and open water areas and within the creek and pass, between vegetated and unvegetated shorelines (e.g.. sand bars), to maximize the number of fish species collected and to ensure a representative characterization of the fish community. All fish will be counted and identified to the lowest possible taxonomic unit. Data on species richness. species composition. frequency of occurrence. and relative abundance will be used to characterize the fish community. Fish sampling and identification will be subcontracted to the Fisheries Independent Monitorin~ Group of the Florida Fish an\t'!Y.lliJ.I!!e Re.i'~~M.S!.iFWB.J)loE~ted in St. PetersblJrg Fl. Coordination with FWRI, data analysis, and summation will be conducted by PBS&J. THE FWRI Fisheries~lndependent Monitoring program conducts stratified~random sampling to estimate fish abundance and popuiation trends in seven regions around Florida. By utilizing FWRI and their standard operatin~ procedllliLlbe data collected in Clam Bay will be comparable to other waters Within the state. Task 5.0 Benthic Collection and Analysis The recommended sampling protocol outlined below s consistent with sampling being conducted in other estuarine systems in Florida. Utilizing this standard operation procedure is recommended because it potentially allows for comparison with other systems. A total of twelve (12\ sediment grab samples will be collected within Upper. Inner and Outer Clam Bay. The samples will be taken randomly within each specific bottom type. Known bottom habitat includes. but is not limited to. mud bottom, mangrove shoreline, sand bottom, and submerged aquatic vegetation. The samples will be collected using a Young~modified Van Veen grab sampler that samples a surface area of approximately 0.04 square meters. The twelve ~12) samples at each station will be composited for infaunal analysis by sub~sampling 75% of each 0.04 m grab sample. The remaining 25% of each of the three samples will be composited and analyzed for sediment grain size and percent organic matter. PBS&J 2 Contract 07-4153 January 22. 20 I 0 SCOPE OF WORK ~tl~ cY Each composited infaunal sediment sample will be sieved (with a U.S. Standard 30 mesh sieve), rinsed into a sample jar, and fixed with a solution of borax-buffered 10% solution of Formalin and ambient water, and Rose Bengal stain. The composited and sieved infaunal samples will be sorted and analyzed by Terra Environmental Services. Inc. under the direction of Bruce Barber, Ph.D. Benthic macroinvertebrates in each composite sample will be enumerated and identified to the lowest practical identification level (LPIL). The index published in the Engle and Summers paper, 1999, Refinement. Validation. and Application of a Benthic Condition Index for Northern Gulf of Mexico Estuaries. Estuaries. Vol. 22. No.3A, p.624-635 will be utilized to describe and compare the habitats within the bay It is important to note that the sampling and analysis proposed above provides for a qualitative description of Clam Bay. The total amount of samples that would be necessary to allow for the 90% probability to conclusively determine a difference between habitat types would require sampling between 20 samples (comparing SAV to sand using richness) to 11,960 samples (comparing sand to mangrove using Margalef's Diversity Index). Therefore it is financially infeasible, and the use of the existing benthic index (Engle and Summers, 1999) is recommended. Task 6.0 Submerged Resource Survey The intent of the submerged resource assessment task is to expand upon previous resource studies completed in Clam Bay by sampling throughout Upper, Inner and Outer Clam Bay. This assessment is to serve as a more conclusive look at the submerged aquatic vegetation (SA V) communities throughout Clam Bay. Transects will be established within Upper. Inner, and Outer Clam Bay to accurately locate and describe the submerged resources within the entire Clam Bay system. Transects have been established previously by Turrell, Hall and Associates in conjunction with the FDEP. It is recommended that these transects be used for this study to allow comparisons to be made with previously collected data. Additional transects have been set, and are depicted in Figure 1; these transects utilize. when possible. the points sampled by PBS&J in 2009. All transect will be swam to provide an overall percent cover by species. In addition, a1 meter by 1 meterquadrant will be placed at locations along transects where seagrass is observed. Within each quadrant. the total percent cover by each species will be recorded using the Braun-Blanquet classification for consistency. Observational evidence of epiphytes or visible infauna use will also be noted. Previous studies have observed turtle grass (Thalassia testudinum), shoal grass (Halodule wrlghtil) and paddle grass (Halophlla deciplens) within Outer Clam Bay and Clam Pass. Due to the ephemeral nature of paddle grass, the surveys will be conducted twice during the recommended survey months (May- October). One survey should be conducted at the beginning and the end of the season. PBS&J 3 Contract 07-4153 January 22, 20]0 SCOPE OF WORK Figure 1- Seagrass transect location PBS&J Jit(t,1l CfJ 4 Contract 07-4153 January 22, 20 I 0 J[r{ tD SCOPE OF WORK Cf/ Task 7.0 Biological Assessment Report and Public Presentation A report will be drafted to summarize the results ot Task 1.0 through Task 6.0. This will include a summary of the existing relevant data collected in Task 1.0. The Biological Assessment Report shall include but is not limited to: . GIS maps clearly showing sampling locations and points . Photographs taken during Tasks 2.0 through 6.0 . Results of the mangrove assessment and a comparison to existing data . Results of the wading bird survey and locations of bird rookeries, if located . GIS map depicting the location of mapped submerged resources . Results of the SAV survey and a comparison to previous data . Collected benthic species and diversity results The final report will be present to the County in a DRAFT form for review. The County will be provided one hard copy and an electronic copy to distribute for review. It is expected that peer reviews of the final report will be conducted. The County will act as the agent for the peer review process. In this role, the County will be making a determination of accepting. allowing debate or rejecting comments and opinions provided by the reviewers. This scope of work does not include costs to prepare additional documentation, respond to. or modify the work product based on this peer review. It is assumed that any costs associated with the peer review process will be paid for on a time and materials basis. PBS&J will be responsible for attending two (2) public meetings and presenting the results of Tasks 1.0 through 6.0. Task 6.0 Data Management, Evaluation and Reporting The data collection effort outlined in Tasks 1.0 through 6.0 could be collected by PBS&J staff scientists or subcontracted to local government, private or non-profit groups for collection. If data is collected by other entities PBS&J will serve as the repository for all data collection. PBS&J will be responsible for coordinating with the subcontractors to assure timely and accurate data collection. PBS&,J will ultimatelv be responsible for the datR Rnalvsis, interpretation Rnd summary and report production and public presentations, as outlined in Task 8.0. SCHEDULE The above scope is based on an estimated twelve (12) month schedule of participation. The work assignment may be amended if the schedule is extended beyond the twelve months. PBS&J will complete weekly updates to County staff on the schedule. task and present budget of the project. In addition, quarterly progress reports will be prepared that outline project expenses to date and review the budget and schedule. BUDGET In accordance with Collier County Contract Number 07-4153 "Professional Engineering Services for Coastal Zone Management Projects" compensation for the above scope of work will be based as noted in Attachment B. and is not to exceed the amount listed without authorization from the County. Labor rates will be billed at or below rates established per Contract #07-4153. Time may vary depending upon the task assignment and labor rate assignment. PBS&J reserves the right to move funds between tasks as long as the total amount is not exceeded. PBS&J 5 Contract 07-4153 PBS&J January 22, 20 I 0 ,ff\~O SCOPE OF WORK CY January 22, 2010 Date 6 COMMENTS TO THE CLAM BAY SUBCOMMITTEE Meeting of February 1, 2010 ~t(~ cP SUBMITTED BY Mary Mclean Johnson Please consider the following comments on matters before the Subcommittee at today's meeting. 1. Boundarv of Clam Bav - On numerous occasions, the Coastal Zone Manager has stated that the geographic boundaries of "Clam Bay" extend from Seagate Drive to Vanderbilt Beach Road. Ambiguity arises with the introduction of the term, "Clam Bay Estuary," which is shown on PBS&J's maps as extending south to Doctors Pass, encompassing the waters of Venetian Bay and Moorings Bay. It should be made clear that "Clam Bay" and the "Clam Bay Estuary" are synonymous terms and refer to Outer Clam Bay, Inner Clam Bay, Upper Clam Bay and their connecting waterways-the traditional definition of the Clam Bay "System." This is the area coterminous with the Clam Bay Natural Resource Protection Area on the County's land use map. The NRPA was the focus of the prior management plan and permitting carried out by the Pelican Bay Services Division. But the current CZM-led effort has switched the focus from the NRPA to the problems of Outer Clam Bay, Seagate and the bays to the South. The original focus should be restored. 2. Mission of the Clam Bav Subcommittee In Mike Bauer's email to County officials, he discounts Dr. Wanless' review of the PBS&J study saying Dr. Wanless did not understand its purpose. Mr. Bauer then goes on define its scope as he sees it: "It is a study. . . to determine basic water quality and hydrologic flow conditions in Outer Clam Bay and how it is affected by its connections to the Gulf of Mexico-through Clam Pass and Doctors Pass." Unfortunately, his interpretation illustrates how the supposed purpose of "developing a long-term management plan for the Clam Bay estuary' has been hijacked by interests unrelated to management of the NRPA. Most of the money and time is being directed to issues of water quality and the hydrology of Outer Clam Bay and circulation to the South. That was not the original purpose, which started out with various working groups and was intended to consider the biology, as well as the water quality and hydrology, of the Clam Bay system (not just Outer Clam Bay). If problems in Outer Clam Bay are a major underlying motivation, there should be more transparency about the conditions at Seagate and pollution entering the system there. We've heard lots of anecdotes from Seagate residents about the poor water quality and floating algae, as well as the turbidity Mike Bauer observed while snorkeling. But no water quality data for Seagate is reported by PBS&J, even though data exist (see comments re peer review, below). Almost all the sediment toxicology testing will be taking place in Outer Clam Bay and Seagate (11 of the 13 core samples) another indicator of pollution concerns. What is the source of Seae:ate's oollution? How can it be better controlled? Whv is onlv one solution - flushine: - beine: considered? What about the Iikelv adverse effects on the rest of Clam Bay of the maior alterations to the hvdrolol!V beine: exolored in the next ohase of work? These are some of the issues that need to be made part of the discussion. 3. ScoDe of Work for Peer Review Air The peer review should consider both parts of the PBS&J data collection and analysis-the analysis of water quality and the analysis of system hydrology (water levels and flow). It's unclear whether that is planned. Since these two aspects call for different areas of expertise, can the reviews by conducted by separate reviewers so each area is equally well scrutinized? So far, the water quality data collection and analysis has received closer scrutiny. Various shortcomings-particularly in the interpretation of the data and the "spin" put on it-have been identified by the CBAC technical advisors as well as Dr. Wanless. Yet, in PBS&J's latest response to Dr. Wanless, we still see invidious comparisons. Some 30 years worth of data collected by the PBSD are compared to two years' worth of water quality data collected for Moorings Bay by the City of Naples (data collected in the middle of the tidal flushing channel, essentially sea water). What about conditions other than in the tidal channel? No data at all are reported for Sea gate. The Southwest Florida Conservancy monitored water quality in Seagate for ten years from about 1995 to 2005 and in Moorings Bay for an even longer period, until about 2008 (see PBS&J, pp. 10-11). The Conservancy's monitoring was performed in accordance with acceptabie methods and inciuded measures for nitrogen and phosphorus, key nutrients that cause problems. But PBS&J excluded their data from its report because it did not cover all the parameters currently required for Florida's TMDl (Total Maximum Daily load) reporting. Still, some data is better than none! The Conservancy's water quality data should be reported and the validity of omitting them should be examined as part of the peer review. Big alterations are being olanned to imorove the water Qualitv: we should have the whole oicture. There is an even greater need for a oeer review of the data collection done for the "circulation modeling" studv. The trouble with modeling studies is "garbage in, garbage out." The data on water levels and flow collected by PBS&J are suspect because of the limited duration of the data collection (eight days or less), faulty and vandalized equipment, and the decision to exclude certain data, including readings from Clam Pass itself. Instead of pausing for a review of the data and its adequacy. the modeling work has been approved to move forward. Once the modeling has been done with the existing data set, is there any chance of going back to collect adequate data and redo the modeling, if a peer review determines the original data set is deficient? Not likely. 4. Scooe of Work for the Biological Assessment - The recommendations for the biological assessment put forth by the CBAC for action at the CAC's January 14th meeting (Item VIII-4b) seem reasonable. Only there seems to be an unjustified assumption that the Clam Bay estuary needs to be "returned" to health. The underlying assumption should be that the Clam Bay system already exhibits a high degree of biological health and diversity, placing the emphasis on preserving and protecting that status. 5. Scooe of Work for the Circulation Modeling - The scope of work is too broad and directed at problems other than the management of the health of the Clam Bay system. There are major questions about the data set that will be used. The real-world ramifications of relying on faulty data and modeling are potentially disastrous. They include "de-watering" or draining Clam Bay (a long-recognized risk of opening up connections to the south, due to the strong ebb tide through Doctor's Pass); accelerated beach erosion from expanding the dredge cut or dredging the ebb shoal at Clam Pass; damage to sea grasses and the marine environment from expanded channel dredging; and overall destabilization of the mangrove ecosystem. These risks beg the Question of the real ouroose for this studv. There are already ten years of pre- existing modeling and real-world experience managing the hydrology of the Clam Bay system that shows a moderate dredge cut is optimal for reducing beach erosion and maintaining tidal flushing. Why is the ClM starting over and exploring drastic alterations to the hydrology? If there are other issues being addressed, it's time to be clear about what those are, so we can all work together to develop mutually acceptable solutions. {, f)f\ ~ p1~\to ~ Covenants Over Mitigation Area, As Required in Governing Documents The Clam Pass/Clam Bay conservation preserve and natural resource protection area, which speCifically includes Clam Pass, its three bays and the interconnecting creeks, was required by local, regional, state and federal government to be kept in its natural state via restricted uses and covenants attached to conveyance of the area in perpetuity as mitigation for the Pelican Bay development of 98 acres within the Clam Pass wetlands. Such conditional approval for Pelican Bay was due to it being a Development of Regional Impact. The Pelican Bay Development Order and the Planned Unit Development (PUD) are the governing documents over this coastal area. The Pelican Bay PUD stipulates that "The Pelican Bay Improvement District, a non-profit property owners association or other entity will be granted the authority and responsibiity for enforcing applicable covenants"...''That entity will be responsible for planning, control, supervision and maintenance of this area". Management and maintenance of this area was clearly intended to be a responsibility of the development that caused the mitigation and in fact, zoning laws in place at the time of development and ensuing land development code to this day require preserves to be managed and maintained by the development in which the preserve is located. WCI, the successor to the original developer for Pelican Bay, had retained the authority and responsibility for enforcing the covenants and was a necessary party to the process of obtaining a dredging permit for Clam Pass. WCI had allowed first the PBID and later the PBSD to advise and implement supervision and maintenance of planned activities that either had the approval of WCI or had no objection from them. In early 2009, WCI granted full assignment of authority and responsibility for enforcing the covenants to the Pelican Bay Foundation, master Homeowner Association to the Pelican Bay Planned Unit Development. The Foundation now has the responsibility to either provide or approve all planning, control, supervision and maintenance of the Clam Pass/Clam Bay conservation preserve and NRPA. Quite frankly, the Coastal Advisory Committee may make any recommendations to anyone, anywhere, at anytime, about Clam Bay, but has no authority or responsibility to do so and in fact is required by the local, state and federal governmental approval recommendations that were adopted into the DRI Development Order and PUD to obtain approval by the Pelican Bay Foundation before proceeding on any activity. Failure to do so violates the Development Order, PUD, Deed Covenants and zoning laws at that time. Expenditure of TDC funds through the Coastal Advisory Committee is inappropriate, as Clam Pass/Clam Bay sands and sediments being managed as a sand source is not an approved use of the preserve. Likewise, such funds should be prohibited from use in activities that seek to further the preserve as a navigation district, as such is not an allowable use of the preserve. The approved uses of the preserve, as required by the Development Order and PUD are specified in the Deed Restrictions and Covenants. Marcia Cravens Resident of Pelican Bay Founder of Friends of Clam Bay ~ 1!11l- . .-s (Y) ftiL [, I vCi ( ~'2-~v<l./ e-rv '-, ~lcv tv Clam Bay/Clam Pass Estuary Preserve: A Natural Resources Protection Area (NRPA) for Wildlife . ~~;tt~Bitats) ,.;."t.Y<';Y"-'", Nearshore Hardbottom · Undeveloped Barrier Beach* Dunes Mangroves Wetlands * Salt Marsh Wetlands* Scrub Hammock Seagrass Wetlands. Transitional Wetlands' Shallow Tidal Creeks. Algae and Algal Beds. Mudflats Freshwater Marsh Diverse and Many Listed Species Use Clam Bay/Clam Pass NRPA to Survive/Thrive (1) Smalltooth Sawfish-(potential) appropriate critical habitat Sponges and Soft Corals observed-- Nearshore Hardbollom Sea Turtles - nearshore and beach Manatee- feed on seagrasses and mangrove roots Bottlenose Dolphin- Gulfat the Pass and interior waterways Gopher Tortoises - back dune and scrub hammock Alligators -freshwater, brackish water Brown Basilisk, Cuban Night anole, other lizards - multi-sites Mangrove Fox Squirrel - mangroves and uplands Indigo, mangrove, yellow rat snake, red racer, other snakes Numerous Fishes in all waterways to spawn, roam. feed / grow Quahog, hard shell clams and other bivalves - multi sites Coon oysters attach to mangroves, other oysters form beds various algae attached to mangroves, and form algal beds Phytoplankton include Bioluminescent organisms-Outer Clam Bay Otters- fresh and brackish water, marshes Raccoons, Marsh Rabbit - transitional wetlands, marshes Bobcat periodically seen over many years -vegetative cover Pig Frogs, wetlands, marsh Fiddler crabs- wetlands --(countless population) Mexican Freetail and other bat species roost and feed in NRPA Florida SoftshelL Penninsula Cooter Turtles-freshwater marsh Clam Bay/Clam Pass NRPA is Habitat to Many Species of Birds (includes listed species) Principle Contributors: Mary Boland, Tom Cravens, Tim Hall, and Judy Johansen 3/3/09 American avocet- Recllrvirostra americana Amencan kestrel- Falcosparverius American oyslercaicher- Haematopus palliatlls Anhlllga-Anhingaanhlnga Bald Eagle- Haliaeetus leucocephalus BaITed owl- Stnx varia BehedKlllglhher-Megacerylcalcyon Black Sklllllller- Rynchopslligel Blm;k VlIltllre- Rynchops niger 13lack-and-white Warbler-MnlOtilta varia Black-bellied Plover- PllIvLalissqllatarola Ulack-crowned Night Heron- Nycticorax nycticorax Alack-necked Still- Himalltopus mexlcanus Bille Jay- Cyanocittacristata Ulut:-gray gnalcatcher- Polioptila caerulea Boat-tailed Gracklc- QlIiscallls major Brown Pelican- Peler.;anlls occidentahs Brown Thrasher- Toxosloma rufum Budgerigar- Melopsillaclls lIndlllatus Caspian Tem- l-Iydroproglle caspl!! Callie Egret- Bublllcus ibis Chllck-wlll's-widow- Capnmulgus carollnensls COlllmon Grackle- Qtllscalusl)lIisCllla Comlllon Ground-Dove- Columbllla passerllla COllllllon Mourhen-Gallinulacllloroplls CUllllllonlllghthawk- ChonJeilcs Ininur CUllll1lUn snlpe- Galllllago gallillago CUlIll1lunTelll- Sterna hirundo COlllmon Yellowthroat- Geolhlypis trichas Double-crested Connoran1- Phalacrocurax aurilus Duwitchgear Long-billeu- Liulllodromus scolopaceus Duwltchgear Short-billeu- Limnodromus griseus Downy Woorlpecker- Plcoldes pubeseells Dunlin-Calldrisalpina Eastern Sen:eeh Owl- Megaseops asio EuraSian Collared Dove- Slreptopelia uecaoctu European Starllllg- Slumus vulgans FlshCrow-Corvusosslfragus Forster'stem- Sterna forsten Glossy jbls~ I'lcgadls J'll1clnclllls {JrayCat!urd-[)lIllldell,Ir.;;uollllensls Great Blue l!cron- AnJea herodia~ GreatCresledFlycatcher-MYlarchllserillltlls (,rcat Egret-Ardcaalba lircal HornedUwl-IJubuvirgilll1lnlls Grealer Yellowkgs- Tnnga lIIelanokllca Green Ileron- L3u1ondes vlrescens Green-willgedtcal-Allascreeca HelTll1gGull-l.arusargelHallls Hooded Merganser- LuphodytcsclI(;ullaius Huuse sparrow- Passer domestlcus Kllldeer- Charadnlls vociferus Laughing Gllll- Leucophaeus a1nellla Least S<lndplper-Calidns Illlllullll11 Lllllpkin-Aramusguarauna I.illle Blue Heron- Egreuacaerulea Luggerhead Shnke- LaniUS ludovlclanus Magnificent Fngalebml-I'regala lllagnillcens Mangrov\;'L'uckou-L'ocCYlllsllllllul Mcrllll-I'alcoculllllltHlriIlS Mucking L3lrd- MIIIHlS pulyglottos MollleJ DlICk-AII<ls rnlvlglll,l MOllr1\lIlg [)uvc,lellalda Illanoui'a Muscovy Uuck-l'airina moschahl Northern Cardinal-Cardinalis cardinal is Northern Ganncl- Morus hassanus Nonhern Parula. Parula amcricana Northern Wmenhrush- SeiUllls Iluveburaeensls Osprey-l'andlull h<lllaetlls Painted Hunlltlg- I'asscrina ctns l'almWarbler-Denuroll:apalmanllll I'eregnn..: Falcol\-Ialn) pefegnllus Pled-billed grebe- Podilymbus podiceps Pilcalcd Woodpcckcr- Dryocopus pilcalus Piping PJuvcr- Charadrius melodus Pmirie Warbler- Dendroica discolor Purple gllllinule. I'nrphyrula maninica ('alldns canutus Red-bellied Woodpcckcr- Melancrpes carolinus Red-breasted merganscr- Mergus serralor Reddish Egret- Egrr.:ua rulcscens Red-Shouldered Hawk- Buteo lineatll~ Red-tailed lIawk- L3uteojamaicensis Red-winged blackbird-Agelalusphoeniceus Rlllg-billed Gull- I,aru~ delawarensis Rubln-Turdus migratorius Rosea1e Spoonbill-l'lalaleaaJaja Ruyal Tern- Stema maXlllla Ruby-throated J Itllllllllngolrd- Archilochus culubns Ruddy TUlllslonc- Arcnana Interpres Sandcrlmg- Calidris alba SandWich Tern~ Sterna sanJvlcenSIS SCllllpalmated Plove1'- Charadnus S<':lIllpalmatus SllOW)' Egrct- r:grella1Iiul(l Spotted S,llIdplpcr-Actltls macularlll Swallow-wiletl Klte- Uanoldes forfiealus In-colored l!cron- Egrena1r1collll Turkey Vultufe-Cathartcsallf,1 WcstcrnSandplper-Calidrismauri While lbis- Eudoeimus albus While Pelical\~ Peleeanuserythrorhynchos Willet-Ca1op1rophorussemipalmatus Wood Stork- Scolopax minor Yellow-bellied Sapsuckcr- SphyrapiclJs vanus Yelluw- Crowned Nlghl I krol1- Nyetanassa \<'lola1.:<:a Yellow-rlllllped Warbler~ Dendrolca cumllala Yellow-thro<lted Warbler- OellurOlca dOlllllllC<l (I) Southwest Florida Regional Planning Councilliles; Collier County Coastal Zone Management Plan-1991; Collier County Natural Resource Dept.Technical Reports: Pelican Bay Scrvkes Div: Turrell, Hall & Assoc: FI DEP \vcbsitcs: anecdotal rcports NOTICE OF PUBLIC MEETING C lo..~ B<lY IV R. PA L'c me $e e [.'bJ~d( ~"e cPd il!R pA -rv\",~V'\. +- 0-1\& h\..rfc:~e. ~l~ BOARD OF COUNTY COMMISSIONERS. COLLIER COUNTY. FLORIDA Tuesday, May 18, 1999 900 A.M " Notice is hereby given that the Collier County Board of County Commissioners will meet in the Board's Chambers on the Third Floor of the Administration Building (Building F) at the Collier County Government Complex, Naples, Florida, to discuss the review and authorization of proposed language developed by staff and the Ad Hoc Comprehensive Plan Standards Committee for remedial amendments in response to findings of non-compliance of the County's Growth Management Plan by the State of Florida Department of Community Affairs and the Division of Administrative Hearings, at the above stated time and date. Copies of the agenda for said meeting will be made available to the press and may be obtained at the office of the County Administrator, same location, same period of time. Any person who decides to appeal a decision of this Board will need a record of the proceedings pertaining thereto, and therefore may need to ensure that a verbatim record of the proceedings is made, which record includes the testimony and evidence upon which the appeal is to be based. BOARD OF COUNTY COMMISSIONERS COLLIER COUNTY, FLORIDA PAMELA S. MAC'KIE, CHAIRWOMAN DWIGHT E. BROCK, CLERK. By: Is/ Maureen Kenyon Deputy Clerk 3. ~ Authorization to submit to DCA proposed language developed by Staff and the Ad Hoc comprehensive Plan Standards Committee for remedial amendments in response to findings of non-compliance of the County's Growth Management Plan by DCA and the Division of Administrative Hearings. 4. Adjourn. Memorandum }\\\\O ~ Community Development & Environmental Services Division From: The Board of County Commissioners Vincent A. Cautero, AlCP, CD & ES Administrator J14-- To: Re: Additionalrllformation for May 18, 1999 Board Meeting Date: Wednesday, May 12, 1999 The Comprehensive Standards Ad Hoc Committee is scheduled to meet on Thursday and Friday, May 13th and 14th, and tentatively on Monday, May 17m. . Therefore, in addition to the information contained in the attached executive summary, it will be necessary for staff to hand deliver additional information to the Board on Friday and Monday afternoon, as well as on Tuesday morning at the Board meeting. RECEIVEO COUNTY AOMINISfRATORS OFFICE M.OY 1 ~ 1999 ACTION FILE cc: Bob Fernandez, COWlty Administrator Sue Filson, BCC Administrative Assistant Bob Mulhere, AICP, Planning Services Director Bill Lorenz, P.E., Natural Resources Director ~ ~ ;A~f) CY COLLIER COUNTY BOARD OF COUNTY COMMISSIONERS ~ AGENDA Tuesday, May 18, 1999 9.00 a.m. NOTICE. ALL PERSONS WISHING TO SPEAK ON ANY AGENDA ITEM MUST REGISTER PRIOR TO SPEAKING. SPEAKERS MUST REGISTER WITH THE COUNTY ADMINISTRATOR PRIOR TO THE PRESENTATION OF THE AGENDA ITEM TO BE ADDRESSED. COLLIER COUNTY ORDINANCE NO. 99-22 REQUIRES THAT ALL LOBBYISTS SHALL, BEFORE ENGAGING IN ANY LOBBYING ACTIVITIES (INCLUDING, BUT NOT LIMITED TO, ADDRESSING THE BOARD OF COUNTY COMMISSIONERS), REGISTER WITH THE CLERK TO THE BOARD AT THE BOARD MINUTES AND RECORDS DEPARTMENT. REQUESTS TO ADDRESS THE BOARD ON SUBJECTS WHICH ARE NOT ON THIS AGENDA MUST BE SUBMITTED IN WRITING WITH EXPLANATION TO THE COUNTY ADMINISTRATOR AT LEAST 13 DAYS PRIOR TO THE DATE OF THE MEETING AND WILL BE HEARD UNDER "PUBLIC PETITIONS". ANY PERSON WHO DECIDES TO APPEAL A DECISION OF THIS BOARD WILL NEED A RECORD OF THE PROCEEDINGS PERTAINING THERETO, AND THEREFORE MAY NEED TO ENSURE THAT A VERBATIM RECORD OF THE PROCEEDINGS IS MADE, WHICH RECORD INCLUDES THE TESTIMONY AND EVIDENCE UPON WHICH THE APPEAL IS TO BE BASED. ALL REGISTERED PUBLIC SPEAKERS WILL BE LIMITED TO FIVE (5) MINUTES UNLESS PERMISSION FOR ADDITIONAL TIME IS GRANTED BY THE CHAIRWOMAN. ASSISTED LISTENING DEVICES FOR THE HEARING IMPAIRED ARE AVAILABLE IN THE COUNTY COMMISSIONERS' OFFICE. 1. INVOCATION 2. PLEDGE OF ALLEGIANCE endangered or potentially endangered species (as listed in current "Official Lists of Endangered and Potentially Endangered Fauna and Flora in Florida," published by the Florida Game and Fresh Water Fish Commission) and their habitats. Jf~lv1) . CY 73 . c,::,se="~l:.~.<:lI?:._!,?li.,:!,_~3. 1 speci~j..e" .t;.he components of ".-- the NRPA program. Specific requirements include identifying NRPAs on the Future Land Use Map (FLUM) , establishing development standards applicable within NRPAs to maintain fun,=-~io.n~ng I1a~ural resources and restore or mitigate natural resources within NRPAs that are already degraded, identifying an NRPA review process, and deferring develClpmenx '",i,.ttli,E1 NRPAs through purch"se, tax incentives, and tr~nsfer of development rights. 74. ~=:a:.~':~:':E'~=::,d~'.<_.EJ, whi.:'l1J"._r?,:rt of the data and is devoted to Natural Resource Protection~~~~" analy:"iS: (NRPAs) . The issue is not what the County did or did not provide DCA during the review and adoption process. This hlstorical fact is superseded by the opportunity presented to both sides to present data and analyslS at the de novo hearing. 75. Conser,aticn Appendix D states that the Board of County ^ ----.-", -'~'-'-'"'-_~,_._'W ...._~",.. .~o111fT1is_,,_l.,:::.ers approved on March 1, 1994, a prCJc:<:s.s. ..rgr identlfYlI1SL_~~~~.Clnd :,,-~a_I:J~~=.il.iI19 m~I1~~e.rn"ntplans for NRPAs. The process requires initial Board approval before the process COffi.'11e!1.ces _ : AGENOA ITEM No. O? MAY 1 8 1999 {pO PII. 57 -- , 'fdY' I c;y IV r<.. t'ff ~I~ 76. Appendix D identifies 33 criteria to be considered in -----c:.:;~.=;~..~.e~_.'....,"____ ~-'_.... ,._~."'...."""~_".,._,-. "1'0""".,.'___ designating NRPAs. Nearly all of the criteria involve ".'----'.;....~c..=;".;;,i~~.~~,.. .__._______....,..,_ environmental factors. The criteria represent a comprehensive _~.."__..,._~<>t-."~_"",,,,Z"-,,~,,,,,,,,,,,,~~- ,",.;.;O'lli!:iilllIli' i'" ~.-~-.. range of environmental factors. 77. Appendix D notes that, on February 28, 1995, the Board ---'~-~':':::--",~~ of County Commissioners approved Clam Bay as a NRPA and directed st_~ff to begin the preparation of a mll_nagement plan. for Cl~~21ay. Clam Bay is a wetland area within an approved development of '-~=j-,.........=- ...:............,:\~.~...".._-~~.". regional impact. 78. Clam Bay was the site of a considerable mangrove die- off in 1992 and 1995. County staff appear to believe that there is a problem with flushing and possibly high water levels, as well, so the County ~s seeking a pecmit to dredge the pass. Historically, Clam Pass was connected to Vanderbilt Pond to the north, but land development severed this connection. 79. Clam Bay is the only NRPA that the Board or County Commissioners has designated. DC~ contends that the data show that the NRPA process does not adequately protect wetlands, __'~_4'---"-":'-'"'~-=~:':,~::=:~::~;,~~~_ _~~___,_';.::..;::~~;".-_ -~';;~c:'~;;;;-;,::,:;::;,;:;;;;,::-.,:" "".c.'__ ;;~=.~ wildlife, and wildl~fe habitat. Intervenors likew~se argue that ~-,..-_",,~~,~~";_1;::::<:O,-."--- 1-,";;"": ,"-- ~ ",;.,.....,... the NRPA is ineffective, and t~_~~unty'S ineff~;t~al ,..;.."._"""'"""'.._'O;'...'...,,"'"__""._.....,':~""'w:,:_"'-.."""._ implementacion of the NRPA program deprives Canser~ation ,~,._-__....."'"':"?'~..,',r..""::,;<,r~",.,'_ ~'~~~j,,$.bt,~..~'""'......,';,.''"'''' Objective 1.3 of support from the data and analysis. _,_,ce,:" ._,:~::~:,"~,::;;'C,."'''~," ...""",,;;'~---"'''''~1!"', ,,-",_ ~,:~::~~..-. _';~~:lt.l;;;""-"h~"''- .-,---'-" 80. The issue of whether these two objectives and thr~~ --'----~.,<-,;....,-''',..--;-"<,',~,--,-~';;;,,,'"<.;.:;.- AGENOA ITEM No. O? MAY 1 8 1999 &,/ Pg. policies are supported by data and analysis requires -'~'''"-~''",,~,;,;-,. "'~"'--"-"--~' .-'"' j4;H~~:':-,'::::~~'"W<>:_~ ." '. e'<""'",,""~ 58 to be established to help attain these efficacy of the programs A4~ objectives and realize ~ consideration of their purpose and the their purpose. Conservation Objective 1.1, with its policies, establishes the Environmental Resources Management Program, whose ------ ______ ___ -_~____.__ ____~~.-c--__=::_:_= ----_____ ~~~c:Jse-~s _to "i~~ify, m~~~_~e~" a_nd ~r_~te~~ t~~o~erly,) /~ppropriatelJ::~nd effectively"Jat_ul:-al resources, ~nclud~n~_~ species of special status. Conservation Objective 1.3, with its ----------- - - - ----- ---- E~-;:c0~::~~~:~ _~h:_:;~ 5~~~~se ..:~.~ose is !~1rot:Y cn~ang2r~~-or_po_::~~t-~~:-ly-:n~iingered w~ildlife ~d PlanCU_fe_. ~ Bl. The broader scope of the Environmental Resources Management Program is offset by its offer of only conditional protection, as disclosed by the three quoted adverbs. The highly conditional promise of Conservation Objective 1.1 means that this objective and its policies do not require much in the way of supporting data and analysis. For this reason, DCA and Intervenors have failed to prove that Conse~ation Objective 1.1 and policies 1.1.1 and 1.1.2 are not supported by data and analysis. (Y ~The focus of Conservation Objec~iv=-_1._3_a'2~!olicy 1.3.1 is narrower--limited to endangered speci~s and poten~ially ----- ~- -. - -..--- --- --=.---- endangered species--and its promise of protection is___ - --- ~--=-=~,.: ---..~- -~ --..... unconditional. A fair definition of potentially endangered ~~--~,-:.~~ species is threatened species and .-'3"pecies__<::l.f_special concern, so j ~- ----- ~~"-----.- -~-~-- this recommended order shall use the phrase, "listed sDeci~~ " ~~ __ -~ - -"GENO....ITlOM . ------.=~-. No. o:? 59 MAY 1 8 1999 I P,. ~~ J1lt~i) ~ Policy 1.1.4 Within the desionated Urban Area of this Plan Pe<fflil.- the development 01 package sewage treatment plant systems only within the Oe5i~r-1ateel Ur13aA '\r-ea sf the PIDn shall be oermitted onlv in areas where County wastewater services-is not currently available. and allow only on an interim basis until County service is available. Allow individual septic systems "'itAi~ tho Cst:lnty only when connection to an existing central system is not readily accessible to render service and nets tt:lat where septic system are aHowed, and future County sewer services becomes available, said septic systems will be required to connect to -( the County regional system in accordance with County ordinances and Section 381.00655 Flonda Statutes. Policy 1.5.1 Discourage urban sprawl by pcrmlttP1@limitinacentral sanitary sewer service S)stem3 bv the County 9f\ly in tRe Dcsi~F18teEl Urs8A ,^.ree af tRe rl::ltblrc LJFl8 ~5e ElameRl sf this rlaA, to the service areas shown in this Plan and in areas where the County has legal commitments to provide facilities or services outside the Urban Areas identified on Mac 5S.2 as of the date of adoption of this Plan. Policy 1.5.2 The County will discourage urban sprawl and the proliferation of private sector and/or package sanitary sewer trearment systems bv limitina orivate system to the Rural Frinae Mixed Use District and the service distnct as identified on Mae $5.2. in coniunction with clusterina criteria reauired in Oblectlve 6.4 and subseQuent oolicles of the Conservation and Coastal Manaaement Element No orivale sanitary sewer packaae olant treatment svstem may be oermltted under 100 000 aallons oer dav caoacitv. Schools and school facilities mav be oermitted to orovide smaller OriV81€ oackaae olan!s for their sinale ouroose facility. tRrGugh t~e 80 leleplffieAt 6lr61er 8FlW6vaJ I3rocC!ss tGl ir:Jsl:lre r;;R8Jtirnldffi blliliz::Jtion of the O)(StIA!3 .:JAG plJ:JFlReE.l ~"S'18 faGilitles. No eXIsting private sector or potable water treatment systems will be permitted to add customers unless all Levels of Service standards are met, and operations are in conformance with all OE~ E. permits. Within the Aaricultural/Rural Mixed Use District seelic tanks win be oermitted. -- -----..-----.-.. " 971 ER-NOI-11 01-(A).(N) STATEMENT OF INTENT #VI(A)(1) . ( 1. Delete Objective 1.3 and 6.1 together with their attendant policies in the Conservation a-r1cr------_ .. Co~]al M~.!!ill'ment SLem~f1t.~nd replace with a new Obiective 6.1 to address the NRPAs. ~'\ ~ (The new Objective 6.4 addresses the mtent of the existing Objective 6.1.) -- .- ------------- -------- OBJECTIVE 1.6: -~ - --~~-- C::on:inuG .\ith ttie !'lAesee seliReatil3n, d31:) ~Jthcring, m::JnJgomont guieel.rlcs ;)nd iml3leFAGAt:Jlion of :hc Sel:JRtj ~latl:JrJI Rcssl;;Jrses rret86tion /\rcJs (~Jnr,^,) I3rs51F3ffi b/ iFAf5dE:FA€RtiR!Sj the BourB 3f'l!3fo'/cd process fef ROm\r\JtIR@ f3otantlo\ areas for rc','iev. , The 13ldrI385E: Gf ~J:Jtldml ROCOldfGe: rroteetisn ^reas I,ill Be t8 jSIreteet eF\E1aF'l~efeB Elf f3eteRtl:lllj e[7L13aR~erea cpec;cc (0.: I.isles :n ourreAt '.Offioial Lists ef CAaaAijerea aAe Potentially Eneaeijereel rauea aAS Fiora in Floriaa". publ'shc8 b, the ~18rie3 C.]rn8 aRB ~rest:1 \:\'.]to... F'ish Cormf:lissis::-) :md their habitats. Pallor 1.6.1: The 13rt3\3ram ',dl tAslldSB tRe falls'/h:1g. Q. S o. 8. I. e. IdoAtifiGalien af tRe ~~RP.~s IA A1a~ fer", as an ..erl"y te the "'"t"re LaAd Usa PlaA Ma~; ,fl. I3rElSess f.er /erifyiAEj the 8nisteAGO DmJ boundaries of ~JRr,f\.s 8b1riA~ E1evclsflm8nt l3ermil 313j3[ieatisA:: ":uiEie'incs ans staneares fer a8velsj3FAsnt af ~lP.P,^,s inslldSin[9 6cmccP/3tieA €luieeliRE$ to 13retect n3ttlr31 reS8Ur6:e '.3[10185, t8 melAlalA esels@is::Illy R:JAstisAiAg s') sterne, ::md to restore or mitigate ~!Rr,!I.s aJreasj EtE!~FaeeEl; " ro.ie.... Flreeess, iAte~r;)te€l iAte tAe F161rms[ ae\'elsflment E1f1fllieot:sA roview, to onstlre tA:::I1 tt:1e @l::JiEleJiR8s GlRe stanElorEls are aeiR5I met ana. iA tAesa casos v:here En\irsAffieAtallmJ38st 8t:JtemeFlts are ~refJarer:t. fRat tAe site s~e6iREi aRB stlFAbllativ8 eA /ireAAlCflt:J1 imJ'lasts af de','ele~"'e"t are SeiRij aaeq"ately assessea aRa aaaressea: ^ p1f8€1rafl:! tEl eefer EJs"eISf3FR8f1t sf ~Jnr.^.s. First 68F1siel~ratiElA st:1euld ae fee siFflflJe AGENDA ITEM No.~ 17 MAY 1 8 1999 P2. /09 )h\~ CY P9li.y 6.1.6: FlcHibilit). in tRB fSFTTi af area traEieeffs Sf FAiti!jati8A, SFiBl::Ils 8e allav/eel in the E1eterFFlinatisA sf areas ',/ithiA ami aFfl8A€l Ete.vels13FA8AtS te Be I3reseP/sEl. P9Ii.,. 6.1.7: Until dSHAitisAS fer !:lasilat asseeiatieFlS =:1~El stan8arEl3 fef E1evelsJjFFlent are ods[3tee as lanB ae"slsl3FF18Vit stanelaras. E:riteria sl3eeifieel ifi ether eSjee:ti'.'es 8Ret I3slisies sf this Clement will ~ P9li.y 6.1.8 Inc8Rtiv13s shs\:Jle Be sreatee ....R:SA wsulEi alia\'{ ae\'eI8j3FFleRt te G8Fltinue, I3l.::1t at tRe 53mB time 'I.auld olf:o inslIre th:Jt serne af the mest 8sslBgiE:3l1y sensitive Ri3bitat :md '/O!3etOti'/E! G8ffiR4b1Rities ore n;}leinC8 Petie)' €.1.9 In the O'lent tl::l::lt tRe C8~Flt) aEl8flts ::m Bl3en spae8 resreatisRsl system, 6Sr1Gidoretjen shou:d ae ___~~~0~P~~~~~.eliAlta~e anEll3rBteE:tiel3_8Biec;ti':eS_.~f~t~!_~.eEl h3Sit3t. / -__ m / ~ OBJECTIVE 6.1: ,/ -- Natural Resource Protection Areas shall be maDDed as districts of the Conservation Desianation l on the Future Land Use MaD in order to Drotect wetlands native veaetative communities and endanaered and threatened wildlife bv oreventina the fraamentation of lame natural svstems. This oblectlve shall be made measurable bv ImDlemenlina the followino Dolicies. . ______---------- ---------- ~ ---------~ -_._----------._.__.__._--~-----~------ - .- Policv 6.1.1 Natural Resource Protection Areas (NRPAs} are areas within Collier County that the Countv has desianated as environmentallv sensitive based upon one or more of the followina criteria: . havina larae connected wetland svstems . orovldina critical habitat to a number of listed soecies . orovldina connectIons to other oreserved and orotected areas and not beina excesslvelv fraamented bv currenllransDortation systems and residential develooment Datterns unless an active aCQuIsItion and restoration alan addresses these Im08cts. ,"/ Policv 6.1.2 Based uoon the aoolication of the above criteria Collier County has determined that the followina areas Qualify as NRPAs: . Bic Cvoress National PreserJe and Addition . Cam Kaeis Strand . Clam Bay o ler- eminole State Park . Corkscrew Swamo Sanctuary . CREW . Delnor Wiaains Pass State Recreation Area . Everalades National Preserve and Addition . Florida Panther National Wildlife Refuoe . Fakahachee Strand State PreserJe . Okaloacoochee Slouch . Picayune Strand State Forest . Rookery Bav . Ten Thousand Islands National Estuarine Research Reserve "GENO"ITEM No.d MAY 1 8 1999 /11 Pi:. 19 J{\\~ CY . Policv 6.1.3. .~ Incomoatible land uses shall be directed awav from NRPAs in order 10 orolecllarQe areas of connected wetland svstems and associated critical habitats for listed soeeies. The Future Land Use Element oravides a Iistina of allowable uses and residential densities that have been selected to Drolec! these environmentallv sensitive areas and their associated wetlands and wildlife habitats. ; *' Policv 6.1.4. The functions of these areas are also Drotected bv the 8oolication of clusterina criteria found in ~ Polie 6.4.2 and wildlife ratection criteri fund in Polic 7.1.1 h. In addition to these criteria .~ stormwater manaaemen systems dlscharainorn-aNRPA-shal("orovide one-half inch of dry retention oretreatment. Policv 6.1.5. Non-aaricultural del/81ooment within 1 000 feet of an NRPA boundary shaH meet the followina criteria in order to reduce the Imoact of the davelcoment on NRPAs and natural reservations: 1. The oroiect shall be located as tar trom the NRPA boundary as Dossible_ 2. Required aDen soaCB shall be used to buffer the NRPA from the most intense uses of the Droieet. ':(. 3. The moiscl shall demonstrate orotection for listed soecies in oroximitv to the oroiect within the NRPA Where aooJicable orovision shall be made to accommodate the movement of wildlife throuah the oralect to the NRPA. '( 4. Stormwater manaaement systems discharoino to the NRPA shall be desianed to orovide at least one half inch of dry detention or retention oretreatmenL )(- Policv 6.1.6. Within one vear from the effective date of these Dolicies the County shall adoot Land Develooment Reaulations to imDlement the NRPA orotection standards 2. Renumber Objective 6.7 and its policies to Objective 6.2 and modify Policy 622. Policy ~ 6,2.2. The County shall continue to meet periodically with the appropriate counties to discuss upcoming land development projects that would lave an impact on ecological communities in the Counties. :; R'2::uri'ber O:J;e:;I'.'e G8 2r1C lIS pOliCies :0 5.:!. 6.~ i cH:C G '3 :.:' 971ER-NOt-1101-(A).(N) STATEMENT OF INTENT #VI(A)(4) 1. Delete Objectives 62. 6.3 and 6.4 and their respective policies and replace with the new Objectives 6.3 and 6.4 and the" respective policies. OBJECTIVE 6.2: There sh;)~l be F\0 \;lRasElsl3taele not less af viasle Aaturally fWFi6tieniA!;j FF1i3riPle aFla fresR '. 'ster , ellaRBs, eHcluBiRg lraRs'.\ieRaI2one "'ellaMs 'NR:eR are aBBresseB In 08jeel'..,.. 6.6. PeIiG:! 6.2.1: Un'.!1 ""GR I''''e that 'Ialura'. ResG",". PreleGt,oA ~ro~f8fT1".(~18A5 (OBjeGII:es 16. Vi aRB 1 '. .6) omll?le. elSf3Ff1eAt stam~t3rss fer naeitat moaE: (()13jesti'. e 6.1) me assj3teEt, tRe 4'81,le^'\I'@ pOliG;,8S GRall eer, c as :Ater;,ffi eritaria for iA~erJ3afatiaFl :AtB all Eic"clepFfier,t er6E1rc. J AGEl'VA ITEM _Ol MAY 1 8 lSS9 Pi. lid 20 J1t\~{) ~ Policv 6.3.1 Wetlands identified bv the 1994-95 SFWMD land use and cover inventory are maooed on the Future Land Use Mac series. All wetlands as verified bv iurisdictional field delineation at the time of oroiect oermittino are desianated as environmentallv sensitive arees and shall be orotected bv oalicies contained within this obiective. q Policv 6.3.2. Wetlands shall be defined Dursuant to the Section 373.019 Florida Statutes and Section 373.421 Florida Statutes as the law exists as of Januarv 1 1999 Policy 6.3.3. Marine wetlands are defined as areas with a water recime determined orimarilv bv tides and where the dominant vecetation is salt tolerant olant soecies. Policy 6.3.4. Laroe interconnected marine and freshwater wetland systems suoDortino many listed soecies and located in areas that have not been subiected to neaalive imoacts are considered to have hiah environmental value and are classified bv the County as or/oritv wetlands. Protection of these systems is accomolished bv the criteria found within the identified Natural Resource Protection Areas (Obiective 6.1 of the Conservation and Coastal ManaQement Element! and standards for SIC CVDress Area of Critical Slate Concern in the Future Land Use Element Policy 6.3.5 I"comoatible Land Uses are directed away from wetlands bv the followina mechanisms: Natural Resource Protection Areas identify those weIland systems that have a value hiah enouah to lustifv reSidential densities as low as 1 unit Der 40 acres. Densities for these svstems and the orohibitlons of other non-residential land uses are identified in the Future Land Use Element: 2. ReSidential denSities are limited to 1 unit oer 20 acres in the AGricultural/Rural areas of Collier County. 3. Asohalt Plants shall nol be located in wetlands (Reference Future Land Use Element) 4. Clusterina non-acricultural1and uses away from wetlands is reauired In all of Collier County. 5. Develooment shall first avoid wetland imoacts and then minimize imoacts when they are unavoidable. Policy 6.3.6 Marine wetlands shall also be orotected throuoh the followina mechanisms' 1. New and eXDClnded wel SliD marinas and multi-familv facilities shall not exceed densities of 18 boat slios for every 100 feet of shoreline. 2. The followino orioritv rankina for sitina of shoreline develooment and the resultant destruction or disturbance of nalive veaetative communities for water deoendentlwater related land uses shall BaDlv IReference Conservation and Coastal Manaaement Element Policy 10.1.4): a. areas oresentlv develooed b. disturbed uolands c. disturbed freshwater wetlands d. disturbed marIne wetlands e. unaltered uolands. f. unaltered freshwater wetlands. Q. unaltered marine wetlands. 3. Manorove alterations shall conform to aoolicable FDEP standards. J AGENOA ITEM 110.0< 24 MAY 1 8 1999 /I~ Pc. Policv 6.3.7. Where aoorooriate freshwater wetlands shall be incarcorated into stormwater manaoement olans in order to restore and enhance the historic hvdrooeriod and ensure the continuity of nalura! flow wavs. Policv 6.3.8.. . Prooosed develohment on careals containina wetlands shall direct land uses away from wetlands bv clusterino the develooment to maIntain the lamest contiauous wetland area oracticable and to oreserve the ore.develooment hvdrooeriod. This oolicv shall be imolemented thrauoh the aoolicatlon of federal and state wetland oermittina oroarams where the aoolicant shall first avoid wetland rmoacts and then minimize irnasets when they are unavoidable. This Doliev is not intended to duolicate any federal or state wetlands oermittino orocram< Policv 6.3.9. Where oro;ects have unavoidable adverse imcacts to wetlandS mitiaation shall be reauired in order to ensure that the oroiect does not result In a net loss of wetland functions. A no-net loss of wetlanc functions 15 oresumed to occur for oroiects receivina federal and state oermits and havina an overall mitiaation ratio of not less than 1 acre mitiaated for 1 acre imoacted. Removal of invasive exotics veaetation shall not be considered as Dart of the overall mitiaation ratio Gu:delines for mitiaation are as follows: 1 All m~tiaation shaH occur in Collier County. Mitiaation for develooment in Coastal area wetlandS shall occur in the Coastal area. For mitlcation of freshwater wetlands outside of the Coastal area first consideration should be aiven to mitiaation on site followed bv mitiaation In the adiacent contiauous area. followed bv mitication in the same watershed. followed bv m!troation in adjacent watersheds. 2. For oroiects that reQuire wetland mitiaation an entity shall be desianated resDonsib~e to mOnitor the comoliance of the mitiaation stlDulation_ Policv 6.3.10. All non~aancultural develooment oroiecls and individual sinale familv residential buildina oerrnits tn Southern Golden Gate Estates and the Area of Critical State Concern imoactina wetlands shaH obtain tne aDoroorrate federal and s~ate oermlts before Collier Countv issues its final aooroval of lhe orolect Policv 6.3.11. Collier Countv shall inform aoolicants for individual sinole famil\' buildina oermits which are not Dart of a develooment oroiec! receivino a wetlands oermit such as North Golden Gate Estates. that federal and state wetland oermits may be reouired Drior to construction and shalt notify the aoollcaole federal and state aaencies of sinole fami\v buildina oermits aoolications in these areas. Policv 6.3.12. These ooJicles shall n01 be construed to cravent timberina ooeration5 so lona as timberina ooerations utilize best manaaement oractices to minimize the effects on the wetlands. PolicV 6.3.13. Credits toward the Park and Recreational lmoact Fee shall be oiven for any ueland conservation buffer oreserved on site for oassive recreation uses and serves to orotec! a wetland. The credit shall be set on a oer acre oreserve basis. A conservation easement or other oermanent dedication shall be created for any buffer tor which an imoact fee credit is aiven. OBJECTIVE 6.4 Develooment a~ soecified In Policies 64 1 and 6.4 2 shall cluster its. i~oacts on site in order to Dreserve native veaetative communities and orotec! Wildlife habitat. ~\\~O ~ :~rTEM 25 MAY 1 8 1999 //1 pe. b. The ouroose of these oreservation reauirements in the Aoricultural/Rural and Conservation des;onated areas is to set aside the reauired corticn of the site to oreserve existina native veoetative communities and/or to restore the reauired aortion of the site to SUODort the establishment of native veaetative communities. Natura! areas therefore can be comorised of: .g~ Existina native veaetative communities: Enhanced or restored wetlands and uolands. includina areas that are currentlv disturbed and can be re.colonized with future native veoetation: and (3) Littoral zones of man.made water bodIes Includina canals and stormwater Goods that sucnort wetland veaetation. Natural areas shall not include areas SllCh a~ the non-littoral zones of constructed lakes the activelY manaoed aortion of oolf courses such as the fairways areens and rouch tennis courts and other active recreational areas mowed common areas and other areas that are olanted with turf crass or non.native soeCles. c. Selection of the areas that comorise the oreser\1at;on reQuirement shall reflect the followina criteria in descendlna order of orioritv: 11) Wetland fiowwavs throuoh the oroiec! shall be maintained: (2) Natural areas esoeciallv oreserved wetlands shall be interconnected within the site and to other wetland areas or wildlife corridors off~site' (3) Wetland and uOland areas known to be utilized bv listed soecies or serve as corridors for the movement of wildlife shall be oreserved and orotected In order to facilitate the movement of wildlife throuah the site" (4) Ueland habitat shall be Dart of the ereservation reauirement when wetlands a/one do nol constitute all of Ihe reauirement. UDland habitats have the followina descendina order of orioritv: 18) Anv ueland habitat thaI serves as a buffer to a wetland area. (bl Xenc Scrub, ie) Dune and Strand. Hardwood Hammocks, (dl Dry Prairie Pine Flatwoods and (e) All other ueland habitats. Ttle destruction of any naturallv functlonmo native veaetatlon found on-site shall be camDen sated for bv the ourchase of lands wltl"lln or adlacent to an identified NRPA at a ratio of 2:1. Veoetative communities havmc less man 90(l/Q invasive exotics shall be defined as naturallv functlonlno since these exotIcs can be removed to orovide the veaetative community with a sufficient demee of functionalitv for the Duroose of these criteria. "Nhere the Dercentaae of naturallv functionino native veaetation for a site is initiallv less than the oreservation reauirement the stated requirement can be obtained bv (1) creation of wetland or unland areas on sIte. (2) ourcl1ase of lands within or adracent to an identified NRPA on a 1:1 basis or (3) a combination of 11) or 12l. Preserved natural areas shall be connected throuchou1 the oroiect area and be connected to off site natural areas to the areatest extent Dossible. a. A minimum veaetated buffer area of 200 feet shall be orovided for all structures from the nearest external roadway. This buffer area shall contain at least 80% native veaetation. Natural areas can be used for thiS buffer reauirement. Passive uses such as nature trails are allowed in the natural areas. All lands to be maintained as natural areas wlthlf1 the oroiect or ourchased as off site mltication snell be orotected bv a oermanent conservation easement orohibitina further develooment and settine other standards safeauardina the site's soecial resources from neaative chances d. e f. h , JtI\W ~ AGENDA ITEM No. eX 27 MAY 1 8 1999 Pl. //9 )\\\ \~ & A mana ement I n sh II u mitt to idenl' io that mu t k n hr h the Iif of the fo'e t to en ure that the nat ral r a will function as reoesed. Th Ian shall addres~ exotic control and treatment fire manaaement. and maintenance of facilities that orovide orotectlon to listed soeCles. k. The crIteria contained in Policv 7 1.1 h shall also aoolv I Earth minina shall reouire the aaoroval of a conditional use. Aooraval of the conditional shall in j r ir m th OOA of t \ r ;ec~ ar et aside as a natural area should the earth minino conditional use be converted to a land use soecified in Policv 6.4.2. Golf Cour__~ ~ _II art t et a i e uirement nt ined in .4.2. The standards found In 6.428 throuah 6.4.2k shall be used in the desion of the oolt course lav-aut in order to orotect sianificant oortions of native veoetation and wildlife habitat. LandsGaoina olans shall reouire at least 750//1 of the trees and 50% of the shrubs to be native Floridian soecies with at least 75% of these trees and shrubs to be drouaht- tolerant soecies. Golf Courses shall also be desianed to incornorate those Best Manaaement Practices recommended In the oublication Best Manaoement Practices for GolfCDurse Maintenance Oeoartments FDEP Mav 1995 ; ~q Poliov 6.4.3. A riculture shall be exem t from the above reservation r uirements contained in Polie 6.4.' and 6.4.2 orovided that anv new clearina of land for aariculture shall not be converted to non-aancullural de"etooment for alleast ten vears. For an" such conversions in less than ten ~ears. the reouirements of 64.1 and 6.4 2 shall be aDolied to lhe site at the time of the onverston. Within the Urban DeSignated Areas the oercentaoe of naturallv functJonlnc natIve ve etation reserve sh II e I I t on he am unt of ve at tion occurrin al the tim of the a ri ultural clearin and it found to be deficient a nallve I nt ommunlt shall e restored as outlined in 6.4.1 e. Within the A ricultural/Rural and enervation desl nated areas the re uired amoun, of naLr _I ar shall those ecifi d in 6.4.2 and n natural! functlonin n live veaetation destroyed at the time of acricultural clearina Sh21\ be comoensated for bv the re;uirements addressed in 6.4.2 d. The c\earina of aOrJculturalland shall be oermitted after all BDolicable federal and slate oermits are obtained, Potiov 6.4.4. Non.a ricu\tura\ deve\o ments shall submit an im lem !"It lans f r invasive exotic olant rem val and lona-term control Policv 6.4.5. In the event that the County adoots an 0080 so ace recreational svstem consideration should be aiven to incoroaratina the linkaae and orotection obiectives of the retained habitat. 971ER.NOI-1101.(A)-(N) STATEMENT OF INTENT#VI(A)(5) 1. Delete Objective 7.3 80C lis policies and replace with a new Objective 71 and renumber Objective 7.1 and 7.2 and subsequent policies to Objectives 7.2 and 7.3: :J~;~:E 7.3: :~~ ~~~~~~i~: :;:~~ t~::~:;:~ ~Ae im~lemeAt ~,"~'am5 for aro\;:~~~:~~cr~~ ~:: ::~ FA I' Rg sr wetestlsA aREtter reloc3treR 9f eAd::mj:jC!rE8, ~ht:eateAeEl, er s138sies sf sflBs'al 68Aser.:Fl sr stat1:ls. ~GENO' ITEM No. Ol 28 MAY 1 8 1999 Pi. IdO rn Prt~\ t') J\\\\Q ~~ -;. i The Countv shall orotect fisheries and other animal wildlife and their habitat bv includino mea ures within develo ment orders for mtee ion an lor relocation of endan ere threat n d or s e ies of 5 ecial concern or S atu I 0 lve h II b ma m I - rff ntln ~the ollowin-a oallelBS. Policv 7.1.1 . r. Non-aancultural develooment excludina individual sino Ie familv residences shall comelv with the followina auidelines and standards: .. a. Habitat and manaaement olans for soecies of soaclel status shall be submitted for County aooroval and shall comolv with current federal state and local Dolicies. bo USFWS ;uidelines addressino hac;ta! manaoement for the bald eaole (Haliaeetus JeucoceDnafus) and the wood stork lMvctena amerlcana) shall be used for orotectina these soecies and incaroorated into reou"lred manaaement olans. e The develooer snall be resDonslble for a conservation and manaaement alan for the red- eockaded woodoecker (P;~oid~s borealis) and the Florida oanther (Felis concolorcorvll. d. Proiects within 300 feet of the MHW line shall minimize outdoor hehtlne to that necessarv for securitv and safetv in order to Drotect loaaerhead (CaTetta caTeNa) and other listed sea turtles that nest alone Collier County beaches. t e. In order to oratee! the West Indian Manatee fTrichechus manatus) and its habitat new and exoanded wet sliD marinFls and multiwfamilv facilities shall not exceed densities of 1 a boat slios for ellerv 1 00 feet of shoreline. ~ensitie5 shall b~ less than this maximum based CI_n 'I,l wat~ de_ms. i,mlimitto m rine habit t _ and manatee concenlrations. . f. UI elines for the orotectron of the aooher tortoise (Gooherus oolvDhemus) shall follow those contained in Pollcv 7.1.5. Q, Guidelines contained within Florida Game and Fresh Water Fish Commission Technical Reoorts 8 and 13 shall be used to orotect the habitats of the Florida scrub iav (ADhe/ocoma coerulescens coerulescens) and soutn eastern Amencan kestrel (Falco soarverius oalus) resoectivelv. h Proiects located within the Aaricultural/Rural Deslanation and Conservation Oeslonatiolishall clu5.ter,develoomenl awall from natural areas,s~bleC!.to the 'criteria contained in 6_~:? in oroer ~~.~.~~~ildlife habitat and wil.~l)!e ~ors. ~hese or~iects ar~,!lSO reauired to oroviae t~e followina: . ~ . .. err Utili~e the ooen soace reauirements to maintain buffer areas between imoor1ant wildlife habitats areas and areas dominated bv human actIvities. (2) Facilitate wildlife movement alonc nalural trails bv oreservino aoorooriale areas and bv utilizina fencine and walls that encouraae wildlife 10 use natural corridors. (3) Locate roads away from identified and Dotentla\ natural travel corridors used by wildlife. (4) Provide elevated road crossinas when a road must cross an identified travel corridor used bv any listed soecies. /5) Utilize 8oorooriale roadwav crossina and s"lanaae when it is unalloidable for roadways to cross wildlife trails. (5) PrOvide for the aooroonate use of fences walls or other obstructions to enCQuraae wildlife to use natural corridors or to seoarate wildlife corridors from areas of human activity. (7) Where bears are Dresent orovide a system where aarbaae can be olaced in bear-cfoof containers oreferablv at a central location. ;,\ ... Policv 7.1.2. ~ soec~~s ,survey to incl,ude at a minimum. sl;)e~ies of ~~~?~l s~C:ltustnat are known to inh~.?it. biolo lcal'-corTununities similar to those eXlstm on site Of the site i within haoltat areas identified -in the" oSln - the Ga in FloII s Wil II e ablt Iil:- onservatlon stem 1994 re ort snail be ire lor deveJo m nts r 0 eres rt he Count 's-Environmentatlm-""ac( t e ent reVIew r h' 0 t d"in r e wi t e r uirem nt f f-'==""'" .'FTOri a ame an Fr h W ter I rnmission. The ouni"-'sh'all notify the -iorida mearid rre h Water Fish Commission of t~e existence of anv De~ies with_s_Df[Ci~l_staiu5 that n"lav ~e discovered. -0__. - -. 0 AGENDA ITEM No. 0( 30 MAY t 8 1999 jdd P2. Policy 7.1.3. Bv accreditina Natural Resource staff as code enforcement officers the County shall continue to enforce its existino Sea Turtle Protection standards which orovices standards for shieldino ~utdOor liohtlno oratectino nests from surroundinc construction activities and relocatinG nests. : Policy 7.1.4. The County shall continue to lJodate the Guide for homeowners and builders which exolsins the oeec for orotectinn sea turtles and how this can be accomolished. 't Policv 7.1.5. The Coun 's reco nized :wever fi WI e n v I on I sINh WI burrows. The suitabilitv of alternate sites should be evaluated as to: 8. phvSlcal sUltabilitv of the site. b. lona-term orotection c. conf1icts with other manaoement objectives for the land and d. costs of relocation. are fo nd. It j re U1re r location of Policy 7.1.6. The County will suooort the efforts of the U.S Fish and Wildlife Service's Panther Recoyerv Plan bv deslonatina Prioritv 1 HabItat as areas that Qualify for a transfer or ourchase of develooment riahts. Policy 7.1.7 The County will continue to Denodlcallv review and revise its existinG codes orovidina far 2Dorooriate orohlbitions and restrictions on the commercial possession. use and harvestina of undesirable exotic soecies. 97ER-NOI-1101-(A)-(N) STATEMENT OF tNTENT #VI(A)(8) Collier County and the Department of Communlty Affairs agree to the following language: 1. Modify Objective 106 and its policies as follows' OBJECTIVE 10.6: ~Tb.~G.9_l:HJ.!y.shqj\ 6eA'.iFl~e ts imJijlemeFlt tt;\e Cae!:.:;;l QaPrier ana gea~bl SysteFR ~A:'Ra!ijement rrogrJm oy conserv~~ the _h~bltats, speC:les, natural shoreline and dune systems contained ~~!i__I_~ the Countyco"astal zi;n"e.' - " Policv 1Q.6.1 In addition to those a licabl olicies su rti b'ectives 10.1 10.2 10.3 10.4 and 10. 5 d "'- a. .. b. c d e 1 S I neshall also meet the foiTowin cri . ri : Densities on undevelooed coas"fal bafflers shall not exceed 1 structureoer 5 acres of fastland. Undeve\o ed coastal barrier umts include the Wi ins Pass Unit FL-6 P Clam Pass Uni F\- 64P Kevwaydin Island Unit P-16 Tioertail Unit FI-63-P. and Caoe Romano nit -15. 'te alter ti h 1\ cancen rated in i r h itats th avoidin n I urbed ristine habitats (Reference olicv 10.1.4) 8eachfront develooments shall restore dune veaetation. Prolects on coastal barriers shall be landscaoed with native Southern Floridian sDecies. Boathouses boat shelters and dock facilities shai', be iocated ana aliened to stav at least 10 feet from any ex.istina seaarass beds exceot where a continuous bed of seaarass eXists off of the shore of the orooertv in which case facllitv heiahts shall be at least 3.5 feet NVGD terminal olatforms snall be less than 160 SQuare feet and access docks shall not exceed a Width of fou", 141 fe~t f In addition to the marina sitina criteria soecified In Policy 101.6 boat s[lo densities shall conform to the reauirements in Policy 7.3.1e. ~\\\Ip ~ AGENOA ITEM No. O? 31 MAY 1 8 1999 Pi. /d3 J! \\\b ~ Q. Far develooment oroiects where an EIS is reauired. an analvsis shall demonstrate that the oroiect will remain fullv functional for its intended llse after a six-inch rise in sea level. ;) h. ~etlandS Sh~=:~: ~~otected _b.y t~e ~~~a contained,i"~ a,n othe~.~?J~licable_o,~. Policy 10.6.~~: TRe ~re@r:aR1 iFlsh::lees The re uirements of Polic 10.6.1 identifies the FfH:J.Aag8FReA~, guidelines _~ncj _p'~!!g~f.!:l~.~(;_~._~t_C1n.ctards 9~. t ~~ '~~Q,~~~_~'p~,q<?g.Cls.t~lJ??ni~r~ and estuaries ,ont~iDed within the orevious caast'lUlarrier a.~.estuarine NRf'A1!'a!is~.1.]:?r~se s~~ therefore satisfy the reauirements of that orevlous Dolle\!. 'l' .'- -. ~..._.-_..'._'- ,--,...._'.-.~..".--_.,...~ . -- Palisy 19.1i.2: Tt:le JlrB@fsm seeresses CeIdFlt)' reS91:i1rae FAl3Asgem8At (3sliaies aF1~ [3rSSeBblFes fer 3!1 CSkIrlt)' jl..:lrissistier\ Bea~P1es. 8t:1FleS BREI eGasta! ear-riers (eatt::l Ele':e1afjea ElFlB \:Ipu:ie 'elsf)eEl). Palisy 19.1i.3: T~e FlfegFaFA is bases iA ~aR Sri tt::ie eeasA, SI;If4e aAB seastel ea...rier eata, aF'1al~'ses afH3 maAE~!3eFReRt ree8PFlFReAsatieAS aaRtaiAea iF! tRB Ca~flt/s Beesta! managemeAt J3r8~raR'"l test=lnissl reJ3sRs aRs tRe Callier CS'tIRt'1 Beast:! MaABElemeFit f:tldsiES. Palisy 19.1i.1: The ~ra~raFl'l eeAsieers tFlB iFAF1\isalieFls af a j3steptial rise :n sea 'e/eL Policy 10.6.i;}.: Collier County suppo"s federal and state agency effo"s to deny permits and establish a permanent moratorium on the offshore oil and gas exploratIon and drilling along the west coast of Flonda. and to the extent allowed by law. shall take appropnate actions to oppose any offshore oil and gas exploration and drilling projects 971ER-NOI-1101-(A}-(N) STATEMENT OF INTENT #VII(A)(1) and (2) Callier County and the Depa"ment of Community AffairS agree to the following language: 1. Amend Policy 3.1.d of the Future Land Use Element to read as follows: Policy 3 1 d. Tl1e c;nal::lASsater Pr13tettISf1 'JreiiAaAs8 s\:1all13e imJ3lsFF'l8Atea te I3Feteet eli:5tiR~ BAa fwt.:.Ire well~elas. Aatural a~"ifor re.Mrga areaG aRa gra"ABwater resawrSeS thrGwg~ staAaaras fer e8'. elS}3ffient IA'/oI-/ing tl=le \;.15:8, stGrage, seneratieA aRa ei~jaasal af haz:arasl::Is 'Naste ~rBei1dets, dis[3esal sf se-n8!38 nns ef:l.lu8A:. S:13rffi,^aler maAa!3emsnt, 83rtAFRiAin@, flstreleblffi ellFlleratJsn, ~olia 'I:Cll:te and elRer retated :lcj3set& sf lard Idse aRe! E1eveleFJffieAt .. j.,I1;,Pi :Ple ffiaFl~efl .....e~l'te4G p;otef.:tisn ZD:18S. Identified Dotable water wellflelds are deoicted on the Future Land Use MaD Series as wellhead ora'action areas. Policv 3.1.1 of the Conservation and Coastal Manaaement Element sDBclfies orohibilions and restrictions on land uses in order to orotect these identified wellfrelds. 2. Delete pages 40-51 of the Future Land Use Support Document which include Wellhead Protection Areas and add to the Future Land Use Map Series of the Future Land Use Element. (See attached Wellhead Protection Areas) 3. Amend the Future Land Use Map to show the Coastal High Hezard Area as defined by the Regional Evacuation Study: amend Map 12 (attached) in the Future Land Use Suppa" Doc""ent 'showing the revised Coastal High Hazard Area. 4. All amendments as described herein are included in the Future Land Use Map attach "GEND" ITEM No. ~ MAY 1 8 1999 Pe. / d4 32 1/J4OUI~ 8(( }\Itv 'Y%i4t.t.tj!f, /7 J-' '''i-.lj)( ;<{f / ~7f:,~ 5 -;; Item #8G2 CLJ\M BAY NATT..:?AL R30URCES PROTECTION AREA 'NRPA: - ;".PPRO\!ED WITH STIPUL.i;.TIONS CHAIRPERSON y[F..TTHE~\rs: 'Jkay. No:t i tern en th::: agcnaa is as.lJ:..:.Lovc'.l of the Cldlll Bd'y' NctL.....Lc.."L ReoOLLL~'t::- P.L:..lLecLi:Jll AL!O:'d. Hr. Lorenz. COJViMISSIONER CONST.lUJTIHE: Befo.r,,-" Ae get st<-Il"ted, can I ..;:...:.,st m,;:.ke one COffi.llent? CHATRPERSON \.rJl..'T"T'HF:W:'l: ~:J:~. COn1:SSIONER CONSTP~TINE: I look a~ paqe 3 and 1 of our executlve sum.rr:aq/, and at the 'Jery bott:)m of ~ .:...t 5ays fiscal impact is $400,000. There are f10 -- dIld I underl.:...nec the word ~o fo~r tHr.es. There are no tur:ds CL.t:::'entJ y budgete.:::l tor the i:nf:-.Lerle:-'.tati::>::1 plan. And tten uncier recoDme:-ld~"tticHl on the ne:-n: p2ge it .says :::he Bee cons~dered t~e approval and a~proved necessary budget lte~s. I'M wondering wha:. the nece:::sdLY l:udgeL .Lle:ns are. If.Lt'::; :3400,ODO UldL aren't budgeted, 1'm not sure hoVJ you :::1:J thClt. CHAIRPERson '\1}\TTHEVll.c~: ')v~l~, thp hvl'JPt '^'Clllld l-;:p t:, do ct b~dget a~endment tc, I ?reSU~E, remOVE i~ frow our i--r-o thF- Cllt'lPnr ':Ylrlgpr. T ",rJ,.'IJ d Ii kp IC' ~<1Y, t,hOi give us a sc~edu1e and that tjis $100,000 is to be it" Mr. ore-7, A fOlJr- cv five--YPAr r!p,iod? MR. LORENZ: That's correct. ~or the record, 8i:1 Lorenz, environmenta_ services adminlstrator. And it I can back up a li::t':"e -- C:)M.1::,sSICHEI1 HANC:)Ct~: I need .:0 ma.:e a cu_.:k addition Lo LhaL. I dlso -- Co:run.lssi:XJeL :='-ullsLdL 1.11"", I ,-d::c Lhi:L<: Ulc:',_ we have the ability tc pulJ lirl2 itc~~ or 3cd ll~e lt2rrs as we lock at L:.is. .3u iL :...11eL~ is f-lelJL uL !_helL $4UI),'-~OU L..c1L S<o:'elllS U ILect,-;Ullel])l"" UL CY.ccsslve, wc CuD o.lter Ilne item.s :'hlOl..ghout :::his ::00. ~HP,_TRPF:PSON vlJ'.,'f''T'HF:lATS: Tt w-ill lk .-'O1l ClltF-l""",-j :llPIlIJ, yp:,;. C:)M.tJISSICNER COl-JST}\j'JTINE: f\1y :::hcu,?ht v},3_::, t',...'o v..:eel-:s ago, t:--ree ",leeKS <1go WP hlPr-e -"lrl iltJolJr 7;-1<-'" ;,:JrlqFC ("rl.SlS WF ,^,ptp In. ,l'.,'ld nov..: we're beinq asked to add $..JUIJ,_UiJ tr:dt aren't :Judqeted. And"""e can go through the exer:ise, tut t~at shcu:d be so~ething weigh1ng cn e2.ch of our minds. reserves and put r;h, [.',,'J, ti-,Py d;-) spent over, what it is CHAIRPERSON :-lAT':'HEIA''s: T.'1at's ',;ery -::rue, Coruniss.:..oner CUfl.sLdflLLne. t1y [ee:iw~, Lh:_uyh, i:::; L11d~ we' ;v'e vei:::'lJ ':"o:Jking d,- Lhis Clom Bol}: :.ss-_c now for ,J, nuO\.oc:- of yeJ.r~, and we've been watcr-ung fllcinyLOVi::'S eLl'::' off, and 'A'e'Vf.:: L<::'en 'Nd!" 'ILllll,] ::;i::;:liJll:i:i~_ion FLoblefLs afld n'-:::r.:.cnt pro::Jlcms clnd so :orLl. p...:-.d 1 thln){ we necd to ;1C'ur tron .stil.:'f j f ~pp'~din9 $4()(), (:,n r,:)',,' oS '':;01 II\] --0 .Sr':VP U.S s,:-,vPJ-..,l mil11nn dollars a few years ~rom now, and, frankly, I feel ~hat we need to k:-.c\-J that. MR. LORENZ: Let me a1sJ add in terms of ~he impleme:1tation pla.n on page 3 ,)1 t.~.e e;-:ecutlve sum.-nary I've also i~dIcated tha~ you can also leak 2L tnIs process. It's carnine Into play with yo'..:.r program :JudgetIng process that's t:pcem.:.rq. And tiU5 Li:e Li:n.lng i:::; such L11dL -- Ll.dt o[~~'e yrJL, hedL ~h,,,, fHeseflLdlioL ':rorn sta:t and trom the public wILn regard tJ the Clan Bay sY3~em, you may Wdlll_ l:J jusL simply cOll.'o;idel '>i:'l.L=.ill '..::el.Li:'.J.ll '_'o.':uf-JonenL:::; or c:erL:i.ln dircctlcns of staff to -::CffiC bac]~ to lOu as p3r~ of -:he program h:~d9pting prn'-F'-;'-; 'A"hFI"P }Oll ~An th.=-n !o;"\-\ ,'it tClkii1:J r: Af[l t.)-;p r:l.:'ifll B3-Y tlRP1\ .:'..mplement3L_on p:::-ograms -,,:-:d put them into :iour ranki:-::gs of J!t@ MR. HAR'T'vJR1,T,: Not in the'lt u~derstand south ~f that are2. closed the time before that, C~ t~e artic:es ~hat I reac. COMMISSIONEP CONST,~~TINE: Wha~'s happened since then? MR. HARTWELL: Slnz.:!O' Lbe die-uL~'? Up there no\;, : u~derstand t~at capital pro~ects i3 u3i~g th~t arco tor ct=-si~e miLlyaLloIl dr:d that lhey' LE::: .tef-l~d[ILillY the bldet mO'.llgLove.':i ill sone c[ thc area and hoping th3t ltwll: spread. CDJV;M:ssrONEH C.orJSTPdJTIHE: Thdnk '1'::'1.1. !'IE. Hl\RT~'JELL: ~he next th.:ng :hat. ,,;e noticed in our biologica a~sess~ent was th~ exoti~ na~ageme~~. n\J~ ng ~I'e bioloqica~ s~rvey staff was ccncer~ed wi~h the ~nvaSlon of Brazilian peppers whic~ were fairly heavl~y irrpacted on ~he ~e~n. Staff recormnends t~e removal of these plants ~efore ~hey beco~e a prcb~em wi~hin the easement area. Sea grass bed protectioG: Fleld studies indicated that t:-.€ sea. grass beds ln :J'~~er =lar1~ had scarred ms.rES---created by wdLerc~. Claw .::Jay :nallagerr\tnl p-l'drls----r-ecorn.:n':;OIlclci--.c-0-r"lLl:lued Di'OSlLC,1ll -~--in ,mon!t~ingthc_ SCCl gruss_ 'ncds c:?"-\:JcTI-as--TocCi~i:;ri--ma-r-kers t-c--.~arn -~~:~~s r:l~i;r~:}_~J_~:I~~~~f~~~~ ~ y :;1{~;t~~~0~ill;~i~~~~~t1~~g~~ia:~~d tribut5ries to hel~ guide cances u3inq the SY3~ens. -Tf' -r-_he :--icard '~a-s--.~"-:'j ("P I psr_--'-on " , :sf.?fT--~Jl-~u-t-:ly-r,o ~'LSl,ver t~em. Thank you. CIIAIRPEPSON :.-1A.TTHEI'S: Okay. Corunissioner Hancock. CJ1VJ"lISSICNER HAllC'JCK~ I"J€ go:: d llst here for you. I'll hit them one at a tlme. -r:1E' ::h, ',)UI d_lo'~ated tor .restora-:lon c::: p.rcposeci Lf:'sLc,~aLicll or lldlL;.rio' LL:O;J.l-",, 'Lhes<C' Lcl~l". clLe cpell Lc LbO:' p~bl~c; is t~~t c~r~ect! NR. HAR1''irJELL: ,=,11,::11_ --' ~ _'I.":' L 10:',_01_ . C:)I"J.LSS lCHJ:;l-i. Hj\tJC:)':'::K: too thp rub 11 !\1R. HARTWELL: It's all rub1i::c. CJ1VMT;,;;10NRR'lANC:JCK: ':-)ki:iy. T hi'lvt" i'l proble-:n \'vlth an item in here, and it came to my dctentlon at one of the MS'='BU regarding the $30, :00 prcpos2c for renoval of AustraL,--an p~ne5. MR. HARTWELL: Yes, sir. CJIVMISSICNER HNJC:)CK~ I understan.:.! our exotic oLdiIla[]'~e, b'-.L = also u.::ueLsLdlH..1 l::dL i1 you Le!ll()V":' AusLLcll.iaL fJ..:..ne~ frem KccI'Vuydin _slcmd you hi1\"c a sClndbar. 1n ~)cllcan J:!c:y the k~,stLal1all fJ1nes act as a buffer dLed, "ier":U!f::> SdflcJ~. They helr keer things ln plocc, :lud they're :lot nco..: h:Jmes or strL-.cturec th<J.t could b~ darnFo'jt'-'d i' thp p'JPnt c';= <i '-,\]ll'l-'i:lnt'-'. T Ul'lllPl'st,o,nd I_hilT -it's n con~lict wit~ our exoti~ rernOVd_ oraina~ce. r'>1R. 1fARTvJELL: :'hal's -':H ~Pr:t.. CJIVMISSIONER :iANC:)CK: But to me to spend $3CJ,000 tc remove trees ~hat the p~rpose for Duttlng them on that list was the fact that they beccme uotootec easllv i~ w~n~ stor~s whe~ they're also serv~ng a purpose to heip nai~italn -::he .8each ared, I can' -:: agree \lath t::at. I'm 5_Le vI2'1~ hd'Je ~~:Jl1le people o;t-:edY. to dld~ LO:JdY DuL -~ I'm. HAfZTWELL: WeL.., Co::mnissloLer Fancocf:, I ;.-..ras at -::.hat meeL_llg d':"SO :..hdL yOU weLe dL, d11'j '_heLe's 11::J LjLlest...LOn 1':1 my llL.Llld LldL t~e peo~le in Pelican Bay at that mcctlng were tot~lly ~gain5t to.ki~g 1_-',C.sF i'\:lst.ril] 1 fin pi l'lf"oS '-J:lt" T bFl i F'1t" r-hi'lt !:r- thi"- [H02spnt r_llTP t_h.-'lt we shouldn't consicer t~at, ~~d that sh~uld be strlcken from the flrPA. Thprp WAS A rlie~off T It happened, believe, when that's ;,-.,rhat It was statee :n the pass seme of Same wl~h t~c canoelng, it's open I COLLIER COUNTY ENVIRONMENTAL SERVICES DIVISION DRAFT COpy ~ r:JJ\\J '0 ').\'\ ') PUBLICATION SBRIBS NR-SP-'4-01 CLAM BAY NATURAL RESOURCES PROTECTION AREA (NaPA) principal Investiqators Richard W. Hartwell, X.B.X., C.B. Environmental Speoialist II James X. Hatcher, B.S. Environmental Speoialist II prepared by Natural Resources Department stephen Grabe, X.S. Bnvironmental Specialist II POllution Control Department Naples, Florida Auqust, 1994 DRAFT COpy ~. " \) t,~ V1Y" i-\\ CLAM BAY NATURAL RESOURCE PROTECTION AREA ANNUAL REPORT OCTOBER 1997 INTRODUCTION Physiography Along the coast of northern Collier County were a series of lagoons bordering the Gulf of Mexico. Landward of the lagoons sandy soils prevented surface discharges except where a few creeks entered the lagoons. Fresh water discharges to the estuaries were in the form of creeks and groundwater. Coastal development isolated segments of the lagoonal system and increased surface water discharges. Before coastal development, passes migrated, opened, and closed with passing storms. As development increased around Clam Bay the problems associated with closed lagoons were unacceptable to the community so the pass(Clam Pass) has been opened in the same place each time it closed over the last 20 years. History The Clam Bay system (Figure I) was isolated in the early 1950s by construction of two roads. Vanderbilt Beach Road was reported to have a culvert allowing some discharge to the north. Seagate Drive closed the connections to the south. This left Clam Pass as the only connection to the Gulf. In 1976 culverts were placed under Seagate Dr. to provide some exchange with Venetian Bay (a residential seawalled bay system) and improve water quality in the Doctors Bay system. USEP A( 1975) suggested that the culverts be constructed to only allow flow to the north and set the inverts of the pipes at 1.0 ft msl to protect the seagrass meadows in Outer Clam Bay. The invert was achieved however the culverts were allowed to flow both ways. Studies hy USEPA (1977) and FDER (1981) shortly after construction indicated that water quality was acceptable in both bay systems. In the early to mid 1980s road and community construction eliminated the culvert connection to Vanderbilt lagoon to the north. Studies of the Clam Bay system began in 1972 and continued with the development of Pelican Bay. Up until 1992 the primary concern of scientists was keeping Clam Pass open. Some large areas of dead mangroves were noticed in early 1992 by one of the scientists working in the system. This area was reported to the county in 1994. The County Natural Resources Department began investigating the mangrove dieoff area in 1995. In late 1995 the dieoffareas expanded ultimately encompassing approximately 50 acres mostly north of the mouth ofInner Clam Bay. Most of the dead mangroves south of Inner Clam Bay are blacks in small basins ofless than an acre. The scope of this report is limited to an evaluation of the Collier County Natural Resources Departments Fiscal Year 96/97 monitoring plan. The Pelican Bay Services District is implementing an improvement program including environmental permits to improve tidal exchange and storm water discharge characteristics throughout this period. We have and will continue to share data and ideas in support of their efforts when possible. ~o_ ~\) \5cf. ~ Figure 1. Clam Bay System lI:' * PB-11 *OC-13 Clam Pass *10 }I('w'--4 o I 1.0 MILES 96-'37 I 2.0 Curr-ent \oIQ Stations FY 13 GLENVIEV BE~ DC-13 IXlRCHASTER BERM J( W-3 F BERM AT ST LLX:IA (3) PB-ll BERM AT $1 MARTIN PB-13 BERM AT ST PIERRE STRM mSCHARGE AT RDUN(iTDN UCBCRK TIDAL CREEK BELIN UPPER CB V-I roCK AT RAMP OUTER CD \1-6 SOUTH PB BDARDVALK 10'-7 NORTH PB BDARDIIALK lI: LAGOON Pre-vluos(y 5ar'lpted "0 S1:0..5, V-B E Dr LOT NORTH END 11-2 POND .3 GC \J-3 SVALI:: AT PRACT RANGE: IF -3 PARKLET HEADVALL LAG LAGDDN LAuM1L LAG,U-7 PB-IO LAKE 2 HEADVALL 10'-4 POND #7 GC '*'-::i prnn **10 GC Metol Sediment Stolion~ STRM SOUTHERN EXTENT CREEK SlCB SOUTH OF NNER ClAM BAY CUT:} 1 ST ISLAND IN N CREEK SCP CREEK SOUTH OF SPLIT \:) ~~ Tides Water elevations in the Clam Bay system are influenced by tides in the Gulf of Mexico and runoff. Tides enter Clam Bay through Clam Pass and the connecting creeks and bays. Runoff enters through the Pelican Bay Services Division(PBSD) storm water system discharges scattered along the west and the north west edge of the developrnent. The runoff contains storm water and ex filtering ground water. Gulf tides are muted in Clam Bay. Shallow twisting creeks like those in the Clam Bay system do not allow large quantities of water to pass quickly. Friction from bottom irregularities, mangrove trees and loss of inertia in the many twists and turns restrict current velocities. Consequently tides do not fully penetrate the system. The Clam Bay system has experienced restricted tides since the earliest reports (Humm and Rehm 1972). Gee and Jensen (1978) reported that the tidal range of Upper Clam Bay was approximately 0.2 feet. The reduced tidal range has been confirmed by Turrell(1996) and Tackney(l996). Runoff discharges into Clam Bay faster than it can discharge to the Gulf of Mexico. This causes water levels to rise. Gee and Jensen(1978) reported that a significant rain event (4 - 5 inches) was capable of overwhelming the effects of the tides for several days and flood the mangrove forests of Upper and Inner Clam Bays. Tackney(1996) also noted that in addition to reduced tidal range tidal effect in UppeT Clam Bay was obscured following a rainfall of 4" over a three day period and just barely evident in Inner Clam Bay. This event elevated water levels in Upper Clam Bay to the approximate height of high tide in the Gulf of Mexico. The Gulf of Mexico at Naples has a seasonal variation in mean tide level of approximately 0.7 ft. (Figure 2). In the upper areas of Clam Bay this causes an unusual hydrologic regime (tidal range less than the annual variation in mean tide level) and it affects Clam Bay mangrove forests in several ways. In the spring and early summer tidal amplitude is not sufficient to flood mangrove forests in Inner and Upper Clam Bays. Without storm events the sediments dry out and ground water levels may be up to I ] " below the soil surface. This also makes the mangroves more sensitive to a freeze when the sediments are not flooded. In late summer when mean water levels are at their highest the mangrove forests may be flooded for several days to weeks at a time and sediments are saturated for over a month. During the neap tides in September 1997 tidal range was not sufficient to drain the mangrove forests during the low tides. Monitoring 1996/97 In 1995 the Board of County Commissioners designated the Clam Bay system a Natural Resource Protection Area in large part due to the public reaction to the 1992 dieoff. The Board of County Commissioners authorized some water quality monitoring and exotic plant removal. The Natural Resources Department supplemented the existing PBSD monitoring program by adding two water quality stations and a series of sulfide and redox pore water stations. The water quality samples were collected the same time as the PBSD samples on a falling tide. Sediment samples were collected once to provide a - &~~ ~ Figure 2. Monthly M..n TId.. 2.50 lB96 Monthly Mean Tides From Napl.. Pier NOS \_ULW\ 2.00 . ........MHW .........MTL! ---~ 1.50 N FEe MAR APR MAY JUNE JULY 1.00 ~ z 0.50 G_OO .---t-----.-.' ,.-t-- ._,- --..---' '._.--.I~-"'""" .a.50' -1.00 baseline for future comparisons. The sediment samples were analyzed for metals, nitrogen, phosphate, and organic carbon. Because water elevations were thought to playa big role in the health of the system some water level staffs were installed so that relative water elevations could be monitored prior to the permanent installation of gauges. The staffs were standardized by comparing elevations during events that flooded the entire forest. Qualitative observations were also recorded during sampling trips. Water Quality Samples have been collected in conjunction with PBSD monthly water quality monitoring as planned. Grab samples are taken utilizing sample containers supplied by laboratories that are participating in state quality assurance programs since at least 1989. Temperalure, dissolved oxygen, and salinity are determined with meters in situ at the time of sample collection. Samples are iced and delivered to the contract laboratory immediately. ~o ~~ Pore water samples were taken using a portable well point with slots approximately IO _ 15 cm below the surface of the sediment. Redox potential was determined using a platinum probe and a double junction Ag/AgCl reference electrode. The probes were inserted 5 - 10 cm into the soil. The potential was corrected for the difference between the reference electrode and a standard hydrogen electrode. Pore water samples were analyzed for total sulfides utilizing the Idometeric titration method (APHA. 1995). Early problems with excessive variability and low recovery were corrected by titrating the samples as soon as possible. Salinity and pH were also determined on the pore water samples. RESULTS Water Levels Water levels were measured during observation trips to the system. Water levels have fluctuated with tides and runoff in the forests west of the tidal systems. Water elevations have not exceeded the tops of pneumatophorcs during any of the observations. Spring tides and rainfall have flooded the basins for periods of several days to a couple of weeks. The cuts made last summer drain the Strand die-off area within a day of lowered water levels in the tidal system. The forests were flooded west of Upper Clam Bay throughout the month of September. Depths were never observed above the tops of the ~neumatophores although the water may have risen briefly to approximately 2.1 ft NGVD (estimated from debris line on tide staffs) after a storm the end of September. Dry periods in the spring and early summer resulted in ground water levels in the Upper Clam Bay dieoff zone as much as 10" below the ground surface. The forests on the east side of the tidal system were wet to flooded (but not above pneumatophores) continuously throughout 1996 and 1997. Rainfall Seasonal rains began in April and flooded the west side forests several times. The forests on the east side stopped flowing briefly and sediment was exposed for a couple of weeks before the April rains flooded the basins. The storm water runoff has continued at the discharge weir behind the Remington Condominium. Rainfall was slightly above average in the summer quarter, 15.6" compared with an average of 14.3". These are the wettest months of the year. However, the total period from October 1996 - September 1997 had 47" of rain compared with an average annual rainfall of 53" (II % less than an average year). Monthly rain totals from 1995 - 1997, 1991, and the 1940 - present monthly average are in Figure 3. Water Quality Data was pooled with the historical data fOT analysis. There are some gaps in the historical data. Some stations were not sampled throughout the period and some months samples were not taken. Additionally many of the analysis for ammonia, nitrite, nitrate, and ortho phosphate were at or below the detection limit. For this reason these parameters have not been relied upon except where necessary for interpretation. The detection limit value was utilized when analysis was performed on samples with these or lower results. ::-..0 &f Fill"'" 3. Annual Rainfilll 20 Recent RlIlnfall Patterns 15 -- .-..-- .Avetegl B1W1 Dl9ll5 10 -- 1119115 1J11l97 I 5 0 ..~ ,"-~ Jon Fill Mar IIpr May June July Aug Sel>t Cd Nov Ooc Data for stations having values for temperature, pH, ammonia, total kjeldahl nitrogen(TKN), total phosphate(TP04), and total dissolved solids were utilized for statistical analysis. Outliers greater than 3 standard deviations from the mean were dropped prior to statistical analysis. Water quality stations are located on Figure I. The means and standard deviations are summarized in Table I for these selected parameters. Cluster analysis(Figure 4) and t Tests were used to group similar stations. Of the storm water discharge stations 13, PB-I3, DC-I3, and STRM were most similar and t Tests for TKN and TP04 were not significantly different at the 0.05 level. Storm water station PB- I I was different because of low TP04 concentrations and station F had high TKN concentrations. Lakes W-4 and W-5 grouped together as did PB-IO and IF-3. The only estuarine station that tested different was W-I (at the 0.05 level). Means for TKN were different at W-I and all other stations. (Seagate was not tested due to the limited number of samples). & )\0 ~o/ Figure 4. OJster Analysis DISTANCE MEtRIC 18 EUCLIDEAN DlsraNCE SUICI.I LINKAGE HErHOD (NnRES1 NEIGHBOH) TREE DIAellA" D18tAHCIiS 8._ 2.- IP-3 ....a #filii 11-3 Pll-1B PH-it 13 PB-l1 U-4 P v-S J)C-13 v-o .... LAC. U-? UCIlCIlK U-6 ...., v-, SEAGATE The two effluent irrigation holding pond stations grouped together. No further analysis was performed on these stations since they do not directly contribute to the runoff. Nutrients (Nitrogen and Phosphorus) are of interest in Clam Bay because of the storm water discharge from the urban development of the watershed. Plots for TKN and TP04 for the grouped stations are presented in Figure 5. TPQ4 concentrations are highest at the storm water discharges. Concentrations have remained similar through the sampling - period in the discharge stations. The estuarine and lake stations are increasing and the lakes are increasing at a greater rate. The mean TP04 concentration for Collier County estuaries in 1989(Grabe 1990) was. 12 mg/l which is higher than the means for any of the Clam Bay estuarine stations. FDER(1989) indicates that only 40% of Florida estuaries have TP04 concentrations of 0.07 mg/I or less. TP04 in 50 % of Florida lakes was less than 0.07 mg/I and 90 % was less than .29 mwl. It is not unexpected that the Clam Bay lakes are at the high end of Florida lakes because they are part of the storm water management system [or Pelican Bay not natural lakes. The mean TP04 for Collier County fresh water stations in 1990 - 1991 was .21 mg/I (excluding one station suspected of enrichment from sewage effiuent leachate)(Grabe 1991). TKN concentrations are highest in the lake stations and all groups are increasing. The mean TKN concentration of Collier County estuaries in 1989 was 0.8 mg/l and 60 % of Florida estuaries are 0.9 mg/l Total Nitrogen(TKN + N02 + N03) or less. Total Nitrogen was less than or equal ~\) &\~ ~\\ to 1.4 mg/l in 50 % of Florida lakes and less than or equal to 1.6 mg/I in 90 % of the F'&UCe 5. Total Ph<>$pbate andTotal Kjoldabl Nilr08""for GrOllpod SlalionJ Storm Water Di.r:hori' EstuIrme SlalioD. ~ M "" ,.. oe ~ ~ <14 aa ~ Q. C2 .. ;: i! 1 f" 87 91 !~ .. l>8 Lake SlaUon. Q' : . . i~ 00 ., M OJ ~ : .. 8'1 91 .. '" '0 OIl "" g (>4 O.:t i ~ "" al . . .).l j a. '" " 9. 9B o Storm Wiler DisclJarlle Enuann, SlBlion, . . . . , ~ . . . , . ~ . ~ . 88 91 .. 9B 081 . " : >--, .'! : , , l! .. , I. SO 91 ; .n .. 9B o al B4 Lake Stalions , . . ~ - 2 " ~ .: l , . , . ~ I Oal B4 II 91 .. '" lakes. The mean TKN for Collier County fresh water stations in 1990 - 1991 was .945 mg/l. Table I. Means 1 Standard deviations for selected parameters. Station Temp C pH TOS mg/I DO mg/l NH3 mg/I TKN mg/I 13 24.413.3 7.3/.4 617/178 2.7/1.2 .130/.15 1.17/.80 DC-13 22.6/4.7 7.3/.3 1903/259 2.9/1.4 .43/.47 .96/.48 F 23.1/4.5 7.1/.3 902/1403 2.B/1.5 .23/.25 1.67/.69 IF.3 24.1/4.2 7.1/.4 204/64 4.2/2.2 .Og/.Og .87/.50 LAG 26.9/2.4 75/.3 814/217 9.2/40 1.27/1.61 3.B6I3.6 LAG,U-7 24.9/3.8 7.4/.62 713/256 7.913.4 .97/1.5 247/1.7 PB.10 24.513.9 7.4/.4 526/135 5.3/2.1 .17/.16 1.01/.5B PB-l1 23.814.4 7.5/.4 560/237 4.9/2.4 .15/.15 1.09/.59 PB-13 23.014.2 7.0/.3 779/1032 2.9/1.7 .181.1B 1.411.80 SEAGAT 24.212.1 7.6/.18 33416/2676 6.6116 .06/.05 .371.12 STRM 24.3/2.7 7.6/.2 438179 2.7/10 .23/.44 1.061.71 UCBCRK 26.5/3.0 7.6/.2 20494/6640 4.0/1.4 .041.02 .61/.46 W-1 25.1/4.4 7.9/.3 32134/8454 5.B/2.1 .071.10 .59/.4 W-2 25.0/5.8 7.7/.2 670/239 7.5/2.2 .16/.1B .52/.35 W-3 25.7/5.6 7.0/.3 494m 7.3/2.6 .27/.22 .74/.40 W-4 24.2/4.8 7.2/.7 1040/3803 6.3/2.2 .251.35 1.51/1.2 W-5 24.5/4.9 7.61.7 680/235 6.4/2.3 .231.24 1.B/l.3 W43 24.9/4.4 7.81.4 29202/1o2B 3.o/2.B .07/.09 .76/.72 B W.7 25.6/4.4 7.7/.4 2B637/91B5 2.6/2.7 .07l.0B .72/.50 W.8 22.4/6.3 7.71.3 5164/10BoB 4.5/2.4 .12/.12 .51/.34 OP04 mgll .09/.15 .13/.12 .13/.12 .02/.03 .73/.26 2.31/1.41 .02/.03 .041.05 .09/.09 .02/.01 21/.31 .02/.01 .03/.05 .17/.19 .02/.02 .16/.232 .14/15 .03/.04 .02/.03 .02/.02 TP04 mg/l .21/.30 .23/.15 .23/.15 .061.12 1.34/2.0 3.02/1.B .071.09 .10/.15 .19/.16 .05/.02 .22/.31 .06/.02 .061.06 .30/.23 .17/.15 .27/.2B .281.20 .06/06 .07/.oB .12/.16 \) 0~'!!\ '6\\ Chi a ugll TOC 4.1/1.B 9.m.5 12.8/10.6 15/1.3 5.1/1.4 435/6.5 18.6/44.5 7.03/B.414 10.m.7 11.1/22.2 Florida Department of Environmental Protection (FDER 1988) has used a Trophic State Index to evaluate eutrophication. All the parameters used to determine this index were not analyzed in Clam Bay. Sechi depth and Chlorophyll a were not analyzed (except Chlorophyll a at UCBCRK. TSI's were calculated using Total N and TP04(Fig. 6). The index is an average of evaluations for each parameter so the TSI can be calculated without all the parameters. UCBCRK was calculated separately because of the additional data for chlorophyll a. The mean TSI for the past year was 50 which is the low end of the fair range just barely above the good range for an estuary. The regression line for the storm water stations is nearly flat whereas the other two groups of stations have a rising regression line indicating that conditions favoring algal growth are increasing. The mean TSI for the storm water stations and the lake stations are very similar, 72 and 68 respectively. The mean for the estuarine stations was 59. Since the FDEP scale breaks for estuaries is 10 units less than for lakes all groups are relatively close. The lake and estuary group is at the upper end of fair and the storm discharge group is at the lower end of poor. Sediment Sediment metal and organic nutrient grab samples were collected at 8 stations. A transect of three samples were taken across the width of the creek at the station and the mean and standard ~\) t~~' deviation results are listed in Table 2. The detection limit for cadmium was too high to allow Figure 6. TSIs for Grouped Station. Storm w.. DWc~ 120 ~St.Wo. ,.., 1DO 00 . . 80 . . ; (: . , ~ ~ I ~ . " , ~ - J . l I ; -I . . . . . , . . I I. i, !, ; fT . . .1. ~ : . . , l! eo ; I ~ ' . . t' ~ t . , ., . I!l 80 '" . . .' I .' :. \ .. . - , '" 20 20 81 &4 eo 91 9< 98 o 81 1M 8lI 91 94 98 100 L.b $loltitJ., 80 I 'I ; ! , ; : . 'f ~ . ... I ;"!, I I! ... , . . eo . I z: j; ,I. . .,,: .I.! . .:.; .' ~ i I . J J.. t. ; " . ~. . I . i ' J! ..., :Ji) 081 14 M 91 94 5lll evaluation at 5 of 8 stations. The results (normalized with aluminum) were compared with other Florida estuaries (Schropp et al. 1990). Stations STRM, SCP, UCB, W-I,W-6, and W-7 had at least one metal that exceed the expected natural levels. Cadmium, chromium, copper, lead and zinc exceeded natural levels at Strm. Copper exceeded natural levels at SCP, UCB, W.l, and W.7. Lead exceeded natural levels at W-7. Zinc exceeded natural levels at W-6 and W-7. These readings in excess of natural expected levels indicate that these stations may have metal contributions from sources other than background geological processes. STRM sediment is composed lar ely of decomposing mangrove debris, has the hi est TOC concentration, and is downstream from a major storm water ISC arge point. W -6 and W - 7 are at bridges supported by pressure treated pilings and SCP is close to a similar bridge. SCP is the only one of these stations that is proposed for dredging in the proposed Clam Bay Management Plan (Brown. 1997). MacDonald et al (1996) state that their Threshold Effects Level (TEL) are protective of chronic sub lethal effects that is they affect the most sensitive organisms like larval invertebrates. TELs were exceed at STRM (As, Cd, Cr, and Cu), W-6 (As), W-7 (As, Cr, and Cu), CUT3 (As), and SCP (Cu). Only As at CUT3 and Cd at STRM exceeded Probable Effects Level. The As at CUT3, Cd at STRM, Cr at W-7, and Cu at STRM exceeded the range of mean segment values from Tampa Bay (Grabe 1997). Balinger and McKee (1971) proposed an Organic Sediment Index to help evaluate the stability of the sediments. The index is determined by multiplying the percent TOC by the percent TON. " &,,~ rf" Values greater than 0.5 indicate there is ongoing decomposition, and values greater than 5 indicate actively decaying organic materials. The Clam bay samples ranged from .01 to 37. Only the sediment above Upper Clam Bay, which were largely decomposing mangrove leaves, at station STRM (37) was greater than 1.4. Total phosphorus concentrations were highest at UCB. Table2. Sediment Parameters (Mean/Standard deviation are mglkg) Station AlIlOOO As Cd Cr eu Pb Zn CUTJ 2.01.6 68/12 lIO 10/2 4.71.6 3/0 18/2 SCP 1.5/18 3/0 I/O 16/15 24/26 210 11/3 SICB 2.5/1.2 4/.6 110 1.7/.6 110 2/0 10/2 STRM 1017 26/5 5.3/.6 57/18 90/24 19/7 121118 UCB 1.7/1.9 8/5 1/.6 917 15/12 4/2 28/19 W-I 4.21.3 4.7/2 .7/.6 17/2 1516 3/.6 17/1 W.6 11.8 19/27 1/0 15/14 21! 2/0 65/45 W.7 3.21.9 30/1 I 3/0 118/85 62/57 9/1 60/14 T B (I) .26'.22 .06-2.7 4.3.101 3.1-40 .92-96 4.0.258 TB(1) Range of mean concentrations of sediment metals from Tampa Bay segments(Grabe 1997). TOCI! 000 61.7/38.5 45/3.9 1.5/4 187/250 70/64 12/4 3.5/2.5 29/18 Table 3. Sediment Metals Exceeding Effects Levels Al : M TEL PEL As As Cu Cut3 SCP Cu SICB STRM Cd, Cr, Cu, Ph, Zn UCB Cu W-I Cu W-6 Zn W-7 Cu,Pb,Zn As, Cd, Cr, Cu Cd As As,Cr,Cu Al:M Aluminum to metal ratio TEL Threshold Effects Level PEL Probable Effects Level TON 18361347 507/453 667/74 19700/4100 2470/1850 1370/460 5121461 4270/600 Only Cadmium at STRM is present in concentrations greater than background (AI: Metal ratio) and at levels expected to affect marine organisms. As, Cd, Cr, and Cu are present at several stations in proximity to bridges using pressure treated pilings. Installation of piling sleeves or a similar preventative to could keep these contaminants from leaching from pilings in the future. Bacteria Bacterial concentrations were determined at UCB and STRM and these results are presented in Table 3 and Table 4. Table 3. Station STRM UCBCRK Bacteria levels per 100 mls (Mean 1 Standard Deviation) Fecal Coliform Fecal Streptococcus 1033/I419 17351 1974 333/753 220/2347 TP04 18/4.6 24/26 7.7/2.5 28/46 92/59 15/4_5 8.3/2.3 31161 31161 ~ ~\~ rv~\ Table 4. Bacteria. Percent of samples exceeding the FDEP one day standard of 800/100 mls. Station STRM UCBCRK Fecal Coliform 35 14 The bacteria concentrations are higher in the storm water discharge(STRM). The mean exceeds the one time F AC (62-302.530) criteria for Class III Fresh waters of 800. STRM samples exceeded the one day standard 35 % of the time. The samples are not taken often enough to compare with monthly means in the regulations. FDER reports that 90 % of Florida estuaries have fecal coliform bacteria levels at or below 407 MPNII OOmls and 90% of streams are at or below 900 MPN/IOOmls. Fecal Streptococci bacteria were present at or below 193 MPNII OOmls in 80 % of the estuaries and at or below 1675 in 90 % ofthe streams in Florida (FDER 1989). Redox and Sulfide Soil Analyses To assess the condition of the sediments in the dieoffzone and potential for recovery, soil redox potential and pore (ground) water sulfide concentrations are being monitored. Redox and soil sulfide concentrations have been taken in a transect through the dieoff area west of Upper Clam Bay (Figure 7). Additional samples have been taken in the forest on the east side of the system down to Outer Clam Bay, and the other dieoff areas of Clam Bay. The redox potential indicates that strongly reduced conditions exist when the sediments are flooded. Redox values and sulfide concentrations in the dieoff area and the flooded forests of the east side of the system are similar when both sides are flooded. Sulfide concentrations are highest in the center of the dieoff area after prolonged flooding (Figure 8). Concentrations have exceeded the maximum 00.25 mM reported by Dr. McKee(1995) from a black mangrove basin forest in Rookery Bay. Additionally in the lightning die-off area red mangrove seedlings have very few leaves. The leaves are also noticeably smaller than seedlings in the other die-off areas. Sulfide concentrations in the lightning die-off peaked as water levels dropped to the sediment surface and the ground water stopped flowing in the spring. Mangrove tolerances to sulfides and redox potential have not been defined. However, some researchers have reported influences to root enzymes at levels less than those found in Upper Clam Bay forests or the flooded forests on the east side. Black mangrove seedlings grow slower when flooded and sulfides are present (McKee 1993). Although the flooding conditions of the 1996 summer did not noticeably affect many of the surviving trees most of the sprouting seedlings in the Upper Clam Bay forest died. During September and October when almost all of the propagules dropped the forest was flooded due to seasonal high mean tide levels and propagules that did sprout were killed by herbivores. Some of the seedlings that were hidden in the thick batis clumps are becoming visible a year later as they finally grow higher than the batis. In contrast the Figure 7. 91/92DieoffSu11i~i5Il'ldRedoxTransect I , APPROXIMATE REDOX STATION LOCATIONS BAY COLONY STRANO ROAD o 100 rEET 91/92 DlE:OFf BLASTE CONNEC 200 CONNECTED TIDAL POND propagule drop in 1997 was over a longer period. Some black mangrove propagules dropped and had leaves by the time the seasonal flooding occurred in September. However, most of the propagules did fall during flooded conditions as in 1996 and did ~I # &' V\~\J t'V not survive. It will take a couple of years to see what the level of survival for these seedlings is. Sta tons E1 \ Elight \\ o 500 1000 Feet 2000 I "" \\; ~\) v~~ Figure 8, SuJlide conamtratioD$ in mM 7 6 PORE WATER SULFIDE CONCENTRATIONS IN mM ~ II / \ ;' \ , \ I i , . \ \ [-.-01; I 1----0Z3 I .....025 I' S -"-DeB t-::":::""'G.IfT~ 4 ,~ I I I I I '" Ii 3 .- .. ," ... ,..\ .... I \ I ..............._-. I \ J \ I \ ) \ I \ .1 \../ \ '/ .\.;,.. -;/--. \ .i "'_. ...._ ',:, ~""- ':f ~ ..)(. ., ./ \ .)<.- '. ,.- .....~_.. ._., ......1( 2 .., 0 x.. .... .... .... ... ... .... ... ~ ~ l!l ~ gr ~ ;;; $ " "' ~ ~ ... ~ - ;:0 .... ~ ... ... ~ 1i ... ~ .... ~ a; ... ~ a; , , . )to-.-)( ... I ... ... ... ... III ~ g ~ ~ iii S ~ 1! - ~ Discussion and Recommendations Water levels The Clam Bay system includes a long shallow sinuous creek. Restrictions to water flow include the many twists and turns, lack of vertical gradient, shallow reaches, and mangrove roots, limbs and trunks projecting into the water. It is these restrictions to flow that cause the tidal lag, reduction to tidal amplitude, and backup stormwater discharges. The restrictions to tidal and discharge flows impact the mangrove forests in several ways. A hydrologic regime where the tidal range is less than the seasonal mean tide range is not the most favorable conditions for mangroves. Tidal flushing is only possible during a short period of time. From December until June the mean tide elevation is so low that high tides do not enter the mangrove forest of Inner and Upper Clam Bay where the range is severely restricted. The only exception to this is strong wind blown tides and storm water runoff. In September and October mean tide elevations are at there highest and there are peTiods of several weeks to a month when low tides do not drain the forest. o &; Flooding and periods oflow ground water both add stress to the trees. The mangrove forests on the east side of the system are constantly flooded and stressed by relatively high concentrations of sulfides in the ground water. Alteration of the tidal range will be difficult due to the nature of the creek system. Tidal energy is lost with every significant turn as well as frictional losses due to shallow reaches and mangrove roots and limbs projecting into the water. The restrictions to flow also make the water levels backup during periods of storm water discharge. This was noted during pre-development studies (Gee and Jensen. 1978) and post development (Tackney 1996). Following the 1995 storm in late August (approximately 12 - 15 inches of rain) water levels were above the tops of the black mangrove pneumatophores for at least 10 days. Then again in late September and early October 1995 higher than normal rainfall (3- 7 inches per week) at the peak seasonal mean tide levels raised water levels greater than the tops of the black mangrove pneumatophores for a period of 3 weeks. ~ Water Quality There are indLcations that nitrogen and phosphorus discharges from the stormwatl:[ SYstem are causin the estuarine concentrations to rise. Since these compounds are not tOXIC t e concern is at what point the nutrients adversely affect the system by over stimulation of plant life. Adding chlorophyll a to the monitoring parameters would provide a check ofthe plankton concentrations. However it would not indicate influences to periphytin, macroalgae or seagrasses. Monitoring the seagrass meadows in Outer Clam Ba mi t be a better indicator of when nutrients are a roblem. Aerial coverage at the end of the growing season wou d bea good measure. Excess nutrients could cause increased plankton or periphytin concentrations which reduce available light to the seagrasses. Loss of additional seagrass coverage would be detrimental. Several years of data will be necessary to allow stabilization from changes in tidal Tange if conditions are changed as proposed(Brown 1997) and to determine background variability. Another indicators that nutrients are causing problems would be fish kills due to dissolved oxygen swings caused by an algae bloom. With the body of background data available it would be appropriate to consider the station coverage and effectiveness of the current sites. The similarity ofresults suggests that some stations could be dropped. PB-IO is similar to IF -3 and is in the middle of the drainage system. DC-13 is similar to 13, and PB-13 and between them. UCBCRK, W -6- , and W-7 are similar so W-6 and or UCBCRK could be dropped. Proposed water quality stations would include IF-3(upsteam input), 13, PB-I I, F, PB-I3, STRM(storm water discharges), W-7, and W-I(estuarine). Field parameters determined by meters at all stations should include temperature, salinity, and dissolved oxygen. Laboratory parameters should include pH (could be done in the field with some meters), nitrate nitrite, total kjeldahl nitrogen, total phosphate, and in the estuary suspended solids, and chlorophyll a. All data should be compared upon receipt from the laboratory with the means and standard deviations summarized here. Any results exceeding 3 standard deviations from the mean should be evaluated and resampled if lab values are ,.. suspect. Laboratory QA data should also be reviewed and data should not be entered into the database unless QA data is acceptable. Sulfide Monitoring The monitoring of the transects will continue with emphasis around flooding events. Transects from similar black and mixed mangrove forests should be added for comparison. Additional data will be utilized to better understand these parameters in healthy forests and how they change in response to changes at Clam Bay. Literature Cited Balinger, D. G., and G. D. McKee. 1971. Chemical characterization of bottom sediments. Journal of the Water Pollution Control Federation 43(2):216 - 227. Grabe, Steve. 1991. Surface Water Quality in inland Waters of Collier County During Fiscal Year 1990/1991. Pollution Control Department. Grabe, Steve. 1997. Trace Metal Status of Tampa Bay Sediments 1993 - 1996. Environmental Protection Commission of Hillsborough County. Pollution Control Department. Grabe, Steve. 1990. Water Quality and Sediment Characterization of Collier County Estuaries: A Pilot Study. Pollution Control Department. McKee, Karen L. 1993. Soil physicochemical patterns and mangrove species distribution - reciprocal effects? Ecology :81 (477-877) McKee, Karen L. 1995. Personnel Communication. Memo to Clam Bay Mangrove Task Force, December 9,1995. Schropp, Steven J., F. Grahrn Lewis, Herbert L. Windom, Joe D. Ryan, Frede D. Calder, Louis C. Burney. 1990. Interpretation of metal concentrations in estuarine sediments of Florida using Aluminum as a reference elememnt. Estuaries 13(3):227 - 235. Tackney & Associates, Inc. 1996. Preliminary Hydrographic Assesment Clam Bay Systems. & :JJ{J '6~ ~ ~ ~ <~ = ooo~ E-4 :l~~ 0 E-4~< E-4 ....=z ~ >E-4 ~ .... ~ ~ ~ E-40.... E-4 UE-4~ ,Z <~E-4 ~~ Co-' .... ....00. ~ ~~ = " z~~ ....~< U~ Co-' ~ >-U.... ~ ~~~ ~oo =~ '" ~ ~ 0=< E-4~ ~ ~E-4E-4 >-~ \ E-4 >-=E-4 ~r,.; U ZE-4oo ~ ~ <....< Zo ~ ~ Z~:: o~ ~ ....~= ~~ 00 Co-'~l'f'l ~< ~ ZE-4';, ~ = ....00. Co-' ~E-4 E-4 cO-,....Z ~~ ~ <Co-'.... <E-4 ~ 0 Co-'~~ ~~ ~ E-4 Z~~ ~ ~ ~oos Z 0 ~~~ ~~ ~ ~ OZ~ ~ ~ ~o~ ~~ E-4 ~ ~t;j~ .... M <>- < 0 =:loo~ ~ >- 0 ~ ~ ~.... 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