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Location Virgin Islands (to USA), St. Croix
Central coordinates 64o 39.40' West  17o 43.60' North
IBA criteria A1, A2, B4i
Area 64 ha
Altitude 0 - 2m
Year of IBA assessment 2007





Site description This IBA includes Great Pond to the limits of its wetland delineation and the adjoining baymouth bar on its southern edge. Great Pond is a 50 ha mangrove-fringed, saline lagoon situated on the southeastern shore of St. Croix, U.S. Virgin Islands (USVI). Great Pond is contained on the south by a vegetated baymouth bar. The baymouth bar, approximately 1,100 m long with a maximum width of 105 m, separates Great Pond from Great Pond Bay. Pond level and area fluctuate as a result of rainfall and tidal flow. Ground water discharge and runoff from the 470 ha of hills and pastures in the upland watershed result in a large influx of fresh water into Great Pond during and following heavy rainfall. A narrow channel with a maximum depth of 1.5 m connects the pond to Great Pond Bay at the pond’s southeast corner. Salinity varies from 20 ppt, after heavy rainfall events, to more than 40 ppt (Sladen 1992). At low water levels, mudflats are exposed around much of the pond, particularly along the western border, and extend outward 30 - 100 m from the pond edge. Mudflats are surrounded on the west and north sides by gently sloping, fallow pastures of dry grassland with mixed thorny scrub. In some areas, rainfall runoff amplified by former cattle grazing has left shallow eroded gullies and ledges where the pasture meets the mudflats. A failing barbed wire fence intersects the mudflats on the north and west sides. A Boy Scout Camp is located to the southwest. A paved public road (Rt. 60) flanked by an electrical transmission line is separated from the east side of the pond mudflats by a narrow row of black mangroves (Avicennia germinans). Approximately 100 houses have been built in the upland watershed, primarily to the northeast. An open fishermen’s shanty or camping kitchen and an outhouse built on the beach berm have been in use for years. When the western mudflats are not submerged, the beach and camp site are accessed by way of a temporary track along the pond’s western edge and a well worn road along the western end of the baymouth bar. A track through the southeast mudflats is used by fishermen launching small fishing boats from the shore into Great Pond Bay. Occasionally blue crabs (Callinectes sapidus) are taken from Great Pond for food. Likewise land crabs (Cardisoma guanhumi) are trapped on the baymouth bar and wetland fringes. Like all lagoons in the U.S. Virgin Islands, Great Pond is owned by the Government of the U.S. Virgin Islands. The land surrounding the pond is currently owned by Golden Resorts, LLLP.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Least Tern Sternula antillarum breeding  2002-2007  210-275 individuals  good  B4i  Least Concern 
White-crowned Pigeon Patagioenas leucocephala resident  2002-2007  100-175 individuals  good  A1  Near Threatened 
Green-throated Carib Eulampis holosericeus resident  2002-2007  2-4 individuals  good  A2  Least Concern 
Antillean Crested Hummingbird Orthorhyncus cristatus resident  2002-2007  2 individuals  good  A2  Least Concern 
Caribbean Elaenia Elaenia martinica resident  2002-2007  1-4 individuals  good  A2  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Area of Particular Concern Marine Reserve and Wildlife Sanctuary 0 protected area contains site 0  
Caribbean Barrier Resource System Marine Reserve and Wildlife Sanctuary 0 protected area contains site 0  
St. Croix East End Marine Park Marine Reserve and Wildlife Sanctuary 15,539 protected area contains site 0  

Habitats

IUCN habitat Habitat detail Extent (% of site)
Wetlands (inland)   major
Shrubland   -
Introduced vegetation   -
Forest Mangrove  -

Land use

Land-use Extent (% of site)
urban/industrial/transport -
Notes: In the surroundings.
fisheries/aquaculture -
Notes: Use by fishermen

Other biodiversity Hawksbill (Eretmochelys imbricate) and green turtles (Chelonia mydas) have nested along the ocean side of the baymouth bar.

Protection status Caribbean Barrier Resource System: Great Pond is part of Unit # VI-07 of the Caribbean Barrier Resource System (CBRS) as set forth in the Federal Coastal Barrier Improvement Act of 1990. CBRS VI-07 includes all of Great Pond and extends south into the ocean past the barrier reef of Great Pond Bay. Area of Particular Concern: In 1991 Great Pond was designated an Area of Particular Concern (APC), a Significant Natural Area and an Area of Preservation and Restoration by the Coastal Zone Management Commission, V.I. Department of Planning and Natural Resources. The boundaries of the APC include all of Great Pond and extend further to the east and west. The APC boundaries extend south from the eastern and western boundaries, out to sea to the “outer shelf ledge or the three mile limit (whichever is closer).” St. Croix East End Marine Park: The St. Croix East End Marine Park (STXEEMP), established in 2003 by the V.I. Department of Planning and Natural Resources, encompasses approximately 60 square miles of ocean, beaches and submerged land on the eastern end of St. Croix. In the STXEEMP, Great Pond is classified as a “no-take” area, prohibiting commercial and recreational fishing.

Acknowledgements Lisa D. Yntema, Douglas B. McNair, Claudia D. Lombard and Carol Cramer-Burke.

Further web sources of information 

Site profile from Important Bird Areas in the Caribbean: key sites for conservation (BirdLife International 2008)

References Lombard, C. D. (2007); McNair, D. B. (2006);McNair, D. B. and F. W. Sladen (2007);McNair, D. B. et al.(2006);McNair, D. B. et al.(2005);Platenberg, R. J. et al. (2005)and Sladen, F. W. (1992);BirdLife International (2003);Island Resources Foundation (1993);International Union for the Conservation of Nature and Natural Resources (2004);

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Great Pond. Downloaded from http://www.birdlife.org on 22/08/2014

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