Native Habitat Inventory Final Report 2004 - St. Lucie County

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Number Polygons FLUCCS Code FLUCCS Name Acres in 1992 104 645 Submergent Aquatic Vegetation 744 TOTALS 97,254 Acres in 2002 Acres Lost between 1992 and 2002 Percent Lost between 1992 and 2002 744 0 0% 93,385 3,869 4% 29
Despite these exceptions, most species and communities are more stable, diverse, and persistent in large, connected natural areas rather than small and isolated remnants. These remnants are created by the interspersion of intensive land uses with natural areas. They have lower ecological value and have likely lost much of the function, diversity and ability to sustain most populations. Of the 93,385 acres of natural areas estimated to be remaining in the county in 2002, 19,271 (21%) are less than 20 acres in size and only 48,608 acres (52%) are greater than 100 acres in size. This indicates that nearly half of the privately held natural areas in the county are remnants and likely to have limited functionality and a decreased likelihood of long-term viability and persistence. Table 9. 2002 Natural Land by Polygon Acreage. Note that these polygons may be adjacent to conservation lands or they may be in close proximity to each other. Number of Polygon Size Occurrences (29887 total) Number of Acres (93385 total) Percent of total Natural Acres in 2002 < 20 acres 3,539 19,272 21 => 20 and 100 acres 175 48,608 52 Figure 5. 2002 <strong>County</strong>wide Non-Public Natural Areas. 2002 <strong>County</strong>wide Non-Public Natural Areas Percentage of Occurences and Percent Area by Broad Acreage Size Class 90.00 80.00 82.36 70.00 Percent 60.00 50.00 40.00 52.05 Percentage of Occurences Percentage of Acreage 30.00 27.29 20.00 10.00 20.64 13.57 0.00 0.32 < 20 acres 20 to 100 acres > 100 acres Broad Acreage Size Class 30
Page 1 and 2: St. Lucie County Native Habitat Inv
Page 3 and 4: Table of Contents Acknowledgements
Page 5 and 6: Appendix E. List of Rare Species th
Page 7 and 8: Acknowledgements Pandion Systems wo
Page 9 and 10: Glossary ACI - Area of Conservation
Page 11 and 12: Executive Summary The overall objec
Page 13 and 14: The Site Data Summaries and Ranks s
Page 15 and 16: • To identify and prioritize land
Page 17 and 18: The species-area relationship does
Page 19 and 20: composition through selective grazi
Page 21 and 22: Site No Site Rank Overall Ecologica
Page 23 and 24: The Site Data Summaries and Ranks s
Page 25 and 26: 5 -- Slated for development or prim
Page 27 and 28: 5 -- Directly contiguous with large
Page 29 and 30: Methods and Results Overview This p
Page 31 and 32: Project Team made a judgment call o
Page 33 and 34: Figure 3. St. Lucie County 2002 Nat
Page 35 and 36: Discussion of Methodology The limit
Page 37 and 38: Table 6. Estimated Acreages of FNAI
Page 39 and 40: Inventory of Existing Native Upland
Page 41: Number Polygons 49 385 1,318 FLUCCS
Page 45 and 46: Table 10. Summary of FLUCCS Types a
Page 47 and 48: SITE NAME FLUCCS Descriptions FLUCC
Page 49 and 50: SITE NAME FLUCCS Descriptions FLUCC
Page 51 and 52: Table 11. Comparison of the Amount
Page 53 and 54: FLUCCS Number FLUCCS Description Ac
Page 55 and 56: mixed landowner response. Ultimatel
Page 57 and 58: Developing Field Data Collection Ma
Page 59 and 60: Table 12. Example of Calculation of
Page 61 and 62: influences rather than natural infl
Page 63 and 64: FLUCCS FLUCCS Description 213 Sum o
Page 65 and 66: FLUCCS FLUCCS Description FNAI Assi
Page 71 and 72: southeastern kestrel, Florida sandh
Page 73 and 74: Site 4N. FNAI Natural Communities L
Page 75: Site 4S. FNAI Natural Communities L
Page 78 and 79: Table 2. Community Types present on
Page 81 and 82: Site Number: 24 Site Rank: A Total
Page 83 and 84: Common Name Scientific Name FLEPPC
Page 85 and 86: Site 24. Rare Species [´ hg [´ hg
Page 88 and 89: Site Number: 25 Site Rank: A Total
Page 90 and 91: Site 25. FNAI Natural Communities L
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Site 25. Invasive Exotic Species qp
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Site History/Habitat Disturbance -
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SIte 41. Rare Species Legend qp Cha
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Site Number: 42 Site Rank: A/B Tota
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Ownership/Notes - The west part is
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Site 42. Rare Species [ [ [ [ Legen
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Site Number: 43 Site Rank: A Total
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Site 43. FNAI Natural Communities L
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Ownership/Notes - Permission for gr
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Hydrology - The hydrology has been
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SIte 51. Rare Species Legend [ Goph
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Canals surround the site but the si
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Site Number: 7 Site Rank: B Total A
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Management for this site will be th
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Site Number: 11 Site Rank: B Total
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Table 4. Invasive Exotic Species ob
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Site 11. Rare Species * [` l Legend
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131
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vegetation observed. There are some
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Proximity to primary and secondary
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Table 2. Community Types present on
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Site 15. Rare Species "e "e Legend
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149
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Site 18. Rare Species Legend !F Gru
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155
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Fork of the St. Lucie which is the
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Site History/Habitat Disturbance- T
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Site 28. Rare Species [ [¨ ih hg [
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Table 3. Listed Species observed. C
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Site 30. Rare Species ih [ [ [¨[ l
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Hydrology - The overall hydrologica
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Table 3. Listed Species observed. C
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Site 16. Invasive Exotic Species Le
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Site Number: 17 Site Rank: C Total
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Hydrology - The vegetation at the t
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Site 26. Invasive Exotic Species ¡
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¡£ qp Site 27. Invasive Exotic Sp
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Conclusions The opportunity for pre
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Bibliography Cooper RM, Ortel TW. 1
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Lenze DG. 2002. Florida Long-term E
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Appendices Appendix A. Explanation
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Definitions derived from U.S. Endan
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Appendix B. Rare Species Observed R
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Appendix D. Natural Communities Obs
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Scientific Name Common Name Coelora
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Scientific Name Common Name Federal
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Scientific Name Global Occurrence S
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BOARD OF COUNTY COMMISSIONERS PUBLI
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Appendix H. Mapping Discussion This
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Appendix I. Conversion of FLUCCS Ca
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FLUCCS FLUCCS Description FNAI Assi
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FLUCCS to FNAI Conversion Improved
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FLUCCS to FNAI Conversion Mixed Ran
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FLUCCS to FNAI Conversion Lakes
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Table 13. Community Conversion from
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FLUCCS FLUCCS Description FNAI Assi
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FLUCCS to FNAI Conversion Longleaf
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FLUCCS to FNAI Conversion Hardwood-
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FLUCCS to FNAI Conversion Wetland F
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FLUCCS to FNAI Conversion Cypress w
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Native Habitat Inventory Final Report 2004 - St. Lucie County

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