The Important Bird Areas of Florida - National Audubon Society

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The Important Bird Areas of Florida: 2000–2002 – Pranty – 2-Jul-02 174OTHER RESOURCES: The Lake Wales Ridge supports 35 Endangered, Threatened, or rare plants and 11listed non-avian vertebrates. Highlands County ranks 11 th in the nation in the number of listed speciespresent. Plants endemic to the Ridge include the ♦pigmy fringetree (Chionanthus pygmaeus),♦Carter's pinelandcress (Warea carteri), ♦Avon Park harebells (Crotalaria avonensis),♦Christman’s mint (Dicerandra christmanii), ♦wedgeleaf eryngo (Eryngium cunefolium),♦Highlands scrub St. John's-wort (Hypericum cumulicola), ♦scrub blazing-star (Liatris olingerae),and ♦Florida jujube (Ziziphus celata). Only 1% of the historic cutthroatgrass seeps remain, mostly atArchbold Biological Station. The Station alone supports 40 listed plants, seven invertebrates, and 18vertebrates (+Lohrer 1992).THREATS: *development, *habitat succession, human disturbance, exotic plants, feral hogsCONSERVATION ISSUES: Since CARL–FF acquisition began in 1992, just over half of the total acreagehas been protected. Acquisition activity continues, but two sites that were part of the original proposal(Ferndale Ridge in Lake County and Eagle Lake in Polk County) were developed in 1997 +(DEP1999). The remaining privately-held acreage can be presumed to be under a similar extreme threat ofdevelopment. • Most of the scrub in these parcels is severely overgrown, and fire management iscritical to restore the habitats for virtually all scrub endemics, including Florida Scrub-Jays. Butmanagement will be difficult at many small sites that are surrounded by existing development, as wellas in the “vacant” developments heavily subdivided by roads.NOMINATED BY: Bill Pranty (Audubon of Florida)REVIEWED BY: Fred Lohrer (Archbold Biological Station)REFERENCES: +DEP. 1999. Conservation and Recreation Lands (CARL) Annual Report 1999.Department of Environmental Florida. Tallahassee, FL. • +Lohrer, F.E., editor. 1992. ArchboldBiological Station. Lake Placid, Florida. Sixth edition. Lake Placid, FL. • +Lohrer, F.E., and G.E.Woolfenden. 1992. Birds of the Archbold Biological Station, Lake Placid, Florida. ArchboldBiological Station. Lake Placid, FL. • +Myers, R.L., and J.J. Ewell. 1990. Ecosystems of Florida.University of Central Florida Press. Orlando, FL. • +Pranty, B. 1996a. Distribution of the FloridaScrub-Jay, 1992–1993. Final report submitted to the U.S. Fish and Wildlife Service, CooperativeAgreement No. 14-16-0004-91-950, Modification No. 5. Jacksonville, FL.WEBSITES: ,,
The Important Bird Areas of Florida: 2000–2002 – Pranty – 2-Jul-02 175LAKE WOODRUFF NATIONAL WILDLIFE REFUGEVolusia County21,559 acres (8623 ha)LOCATION: west of DeLand in western Volusia County. Contiguous with the Ocala National Forest–Lake George IBA to the north and west.DESCRIPTION: encompasses all of Lake Woodruff and extends west to the St. Johns River. The Refugereceives 70,000 recreationists and 700 hunters annually.OWNERSHIP: U.S. Fish and Wildlife Service and St. Johns River Water Management DistrictHABITATS: *hardwood swamp (5800 acres; 2320 ha), *freshwater, cattail, and sawgrass marshes(combined; 12,100 acres; 4400 ha), longleaf pine flatwoods, temperate hammock (2400 acres; 960ha), xeric oak scrub, and lacustrine (1000 acres; 400 ha)LAND USE: *conservation, *recreation, huntingIBA CATEGORIES: significant populations of FCREPA species; significant numbers of raptors andNeotropical migrants [+ significant diversity?]; and significant natural habitatsAVIAN DATA: The Refuge supports a great diversity of aquatic birds, including wading birds, 23 speciesof waterfowl, and possibly an inland breeding population of Black Rails. It also supports what iscurrently the second-largest Swallow-tailed Kite roost in the United States. Neotropical migrants alsoare well-represented, with 30 species of wood-warblers reported. The Refuge probably supportssignificant numbers of many more species than is shown in the table below.SPECIES DATES NUMBERS COMMENTSSwallow-tailed Kite Jul 1999Aug 2000576 birds>400 birds38% (N)26% (N)Black Rail Aug 1981 6 birds (R?)Thrushes (mostly Veerys) [no date provided] >500 birds (M)Overall diversity 1982 list 216 natives2 exoticsKite data provided by Ken Meyer (Avian Research and Conservation Institution), rail and thrush data from +Wamer(1991)OTHER RESOURCES: Florida manatees occur throughout the refuge, and several archaeological sites arepresent.THREAT: exotic plantsCONSERVATION ISSUES: Fire-dependent communities are prescribed-burned to maintain and restorehabitats. • Exotic plants are controlled by herbicides as needed. Feral hogs have been successfullycontrolled; none have been seen for several years. • Artificial impoundments are managed forwaterfowl and wading birds. • Staff shortages make it difficult to survey and monitor wildlife use.NOMINATED BY: Brian Braudis (U.S. Fish and Wildlife Service)REFERENCE: +Wamer, N. 1991. Black Rails in Florida: How & where. Published privately.WEBSITES: ,
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MemorandumBill Pranty, Florida IBA
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The Important Bird Areas of Florida
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THE IMPORTANTBIRD AREAS OFFLORIDA:
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(25) *pickerelweed (Pontedaria cord
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“Southeastern” American Kestrel
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The Important Bird Areas of Florida - National Audubon Society

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