Native Habitat Inventory Final Report 2004 - St. Lucie County

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Hydrology – The hydrology has been altered to some extent by the paved roads, which likely impede high water flow. The site is very heterogeneous, ranging from welldrained, dry, sandy spots to areas with year-round standing water, but the nicest southwest portion seems to be relatively unaltered. The overall hydrological conditions are good. Some of the isolated wetlands on the margins have been heavily disturbed by roads, ditching, and development. These wetlands in the central block can be managed to restore most or all of the natural boundaries and vegetation. Most of the wetlands in developed areas have been preserved with some alteration. Table 2. Community Types present on site and their rankings. FNAI Natural Community Acreage FNAI Rank Global FNAI Rank State BW / Basin Marsh 45.5 G? S4? BW / Basin Swamp 5.8 G4? S3 BW / Depression Marsh 18.7 G4? S3 L / Flatwoods Lake 4.6 G4? S3 MF / Mesic Flatwoods 94.0 G? S4 Site History/Habitat Disturbance – A large portion of the southwest corner of this site is relatively undisturbed, with only a few dirt access roads and scattered exotics. The northern and eastern portions are fragmented by interspersion of a golf course and adjacent housing. A small block of pine flatwoods and the included wetlands is in very good condition, but does need burning. Two golf clubs and a golf club community are on the north and east sides. A new housing development is approaching the west side and a major road is on the south side. Native wetlands are being invaded by woody plants. The borders of this central native block of land are being invaded by exotic and/or nuisance species. Table 3. Listed Species observed. Common Name Scientific Name Federal Status none State Status FNAI Rank Global/State Endemic to Florida Table 4. Invasive Exotic Species observed. Common Name Scientific Name FLEPPC Status State Status Federal Status Rosary Pea Abrus precatorius Cat I none none Old World Climbing Fern Lygodium microphyllum Cat I noxious none Melaleuca Melaleuca quinquenervia Cat I prohibited noxious Brazilian Pepper Schinus terebinthifolius Cat I prohibited none Cogongrass Imperata cylindrica Cat I noxious noxious 103
Ownership/Notes – The southwest portion is exceptional and should be preserved, it is likely to be developed otherwise. There are 15 landowners. The largest landowner is Stuart Property Holdings (265 acres). Recommendation/Management Requirements –For the most intact southwest portion, management would involve the removal of exotics. This site includes some of the nicest looking flatwoods in the state. Regular prescribed burning to maintain the pyric natural communities may be difficult due to the surrounding residential development. 104
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St. Lucie County Native Habitat Inv
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Table of Contents Acknowledgements
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Appendix E. List of Rare Species th
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Acknowledgements Pandion Systems wo
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Glossary ACI - Area of Conservation
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Executive Summary The overall objec
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The Site Data Summaries and Ranks s
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• To identify and prioritize land
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The species-area relationship does
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composition through selective grazi
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Site No Site Rank Overall Ecologica
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The Site Data Summaries and Ranks s
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5 -- Slated for development or prim
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5 -- Directly contiguous with large
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Methods and Results Overview This p
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Project Team made a judgment call o
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Figure 3. St. Lucie County 2002 Nat
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Discussion of Methodology The limit
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Table 6. Estimated Acreages of FNAI
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Inventory of Existing Native Upland
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Number Polygons 49 385 1,318 FLUCCS
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Despite these exceptions, most spec
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Table 10. Summary of FLUCCS Types a
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SITE NAME FLUCCS Descriptions FLUCC
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SITE NAME FLUCCS Descriptions FLUCC
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Table 11. Comparison of the Amount
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FLUCCS Number FLUCCS Description Ac
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mixed landowner response. Ultimatel
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Developing Field Data Collection Ma
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Table 12. Example of Calculation of
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influences rather than natural infl
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FLUCCS FLUCCS Description 213 Sum o
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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 90 and 91: Site 25. FNAI Natural Communities L
Page 92: Site 25. Invasive Exotic Species qp
Page 95 and 96: Site History/Habitat Disturbance -
Page 97 and 98: SIte 41. Rare Species Legend qp Cha
Page 100 and 101: Site Number: 42 Site Rank: A/B Tota
Page 102 and 103: Ownership/Notes - The west part is
Page 104 and 105: Site 42. Rare Species [ [ [ [ Legen
Page 109: Site 43. FNAI Natural Communities L
Page 112 and 113: Ownership/Notes - Permission for gr
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Page 124 and 125: SIte 51. Rare Species Legend [ Goph
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Page 128 and 129: Canals surround the site but the si
Page 130 and 131: Site 3. Invasive Exotic Species qp
Page 132 and 133: Site Number: 7 Site Rank: B Total A
Page 134 and 135: Management for this site will be th
Page 136 and 137: Site 7. Invasive Exotic Species qp
Page 138 and 139: Site Number: 11 Site Rank: B Total
Page 140 and 141: Table 4. Invasive Exotic Species ob
Page 142 and 143: Site 11. Rare Species * [` l Legend
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Page 146 and 147: vegetation observed. There are some
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Page 152 and 153: Proximity to primary and secondary
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Page 158 and 159: Table 2. Community Types present on
Page 160 and 161: Site 15. Rare Species "e "e Legend
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Site 18. Rare Species Legend !F Gru
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Fork of the St. Lucie which is the
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Site 20. FNAI Natural Communities L
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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 19. Invasive Exotic Species qp
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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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