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ISLAND DIRECTORY

Islands of Cayman Islands (United Kingdom)



Cayman Brac     [1894]
   Group: Archipelago: Cayman Islands
   Country: United Kingdom - Cayman Islands   Region: Caribbean Sea
Lat: 19.73º N   Long : 79.80º W
Area: 38.0 sq. km   Altitude: 44 m
Depth to nearest land: 1000 m
Nearest island: 15 km   group: 180 km
Nearest continent: North America    Distance: 600 km    Isolation Index: 42
ISLAND TYPE: raised limestone      Natural Protection Indicator: 0
GEOLOGY/SOILS:
Coastal cliffs, central limestone bluff rising to 44 m
CLIMATE: moderate  tropical  16-32C, 1400 mm
CATASTROPHIC THREATS: cyclones
   Threat Indicator: 1
ECOSYSTEMS:           Number of Ecosystems - Terrestrial: 2    Marine: 1
Thicket, mangroves (1% of land area); fringing reefs
   Percent shoreline: Coral Reef: 99%  Mangrove: 1%
SPECIES NUMBERS: Total Endemic Threatened (EVRI)
Plants  0 0 0
Butterflies 0 0 0
Land snails 0 0 0
Rept/Amphib 0 0 0
Land birds 0 2 1
Mammals 0 0 0

SPECIES OF CONSERVATION INTEREST:
Birds: 8 endemic subspecies Amazona leucocephala hesterna (Cuban Parrot) endemic, endangered (seriously reduced by Hurricane David (1980) Leptotila jamaicensis collaris (Caribbean Dove) endemic
  Species Richness Indicator - Terrestrial: 1  Marine: 0
ENDEMISM: Terrestrial:   Terrestrial Endemism Indicator - Island: 1  Group: 3
    2 bird subspecies
  Marine endemic species: 0   Marine Endemism Indicator - Island: 0  Group: 0
INVASIVE SPECIES:     Invasive Species Indicator: 3
  

HUMAN OCCUPATION: Inhabited
  Population: 0    Density: 0.0 persons/sq. km
  Major Human Activities: tourism
HUMAN IMPACTS:

  Habitat: urban area 4 km   Urban Pop:Urban Indicator: 0
Conservation support: tenure, government support, legislation
PROTECTED AREAS:    Protected Area Coverage Indicators - Terrestrial: 1  Marine: 0
  Number: 5   Area: Terrestrial: 0.2 sq. km    Marine: 0 sq. km
Westerly Ponds Animal Sanctuary Salt Water Pond Animal Sanctuary (24 ha) Scotts Anchorage - White Bay Marine Park Zone Dick Sessinger's Bay - Beach Point Marine Park Zone Jennifer Bay - Deep Well Marine Park Zone
DATA RELIABILITY:    Data Rel. Indicator: 2
HUMAN IMPACT INDEX     HI: 3
CONSERVATION IMPORTANCE INDEX   CI-Terrestrial: 8   Moderate
CI-Marine: 2   Low
REFERENCES:

Last updated: 12/07/89

Grand Cayman     [918]
   Group: Archipelago: Cayman Islands
   Country: United Kingdom - Cayman Islands   Region: Caribbean Sea
Lat: 19.32º N   Long : 81.25º W
Area: 196.3 sq. km   Altitude: 21 m
Shoreline: 124.4 km (scale 1:503000)   Coastal Index: 0.6337
Depth to nearest land: 1000 m
Nearest island: 100 km   group: 270 km
Nearest continent: North America    Distance: 500 km    Isolation Index: 49
ISLAND TYPE: raised coral      Natural Protection Indicator: 0
GEOLOGY/SOILS:
Limestone island of low relief (max. 20 m), with coastline of rock or storm berms 3-9 m high, large internal lagoon
CLIMATE: moderate  tropical  16-32C, 1400 mm
CATASTROPHIC THREATS: cyclones
   Threat Indicator: 1
ECOSYSTEMS:           Number of Ecosystems - Terrestrial: 4    Marine: 1
Dry evergreen forest (few remaining patches), evergreen thicket and scrub; extensive central mangrove swamp (36%); fringing reefs around most of island   Mangroves
   Percent of land: Forested: 38%  Developed: 0%  Degraded: 0%
   Percent shoreline: Coral Reef: 95%  Mangrove: -9%
SPECIES NUMBERS: Total Endemic Threatened (EVRI)
Plants  0 4 4
Butterflies 34 0 0
Land snails 0 0 0
Rept/Amphib 0 1 1
Land birds 0 13 3
Mammals 8 0 0

SPECIES OF CONSERVATION INTEREST:
Plants: Dendrophylax fawcetii (orchid) endemic, rare Oncidium caymanense (orchid) endemic, restricted to limited woodland in centre, threatened by development and collection Pleurothallis caymanensis (orchid) endemic, restricted to dense woodland in centre Caesalpinia caymanensis (Leguminosae) endemic, former extensive thickets wiped out by developers Invertebrates: 34 species of butterflies 48 land snails in all Caymans, 30 endemic Reptiles/amphibians: Cyclura nubila lewisi (rock iguana) endemic, endangered formerly world's largest Green Turtle rookery Birds: 40% of land birds endemic plus 10% group endemics Turdus ravidus (Green Cayman Thrush) endemic, extinct (last seen 1938) 12 endemic subspecies Amazona leucocephala caymanensis (Cuban Parrot) endemic, about 1300 and increasing Dendroica vitellina vitellina (Vitelline Warbler) endemic Vireo magister caymanensis (Yucatan Vireo) endemic Mammals: 8 bats
SPECIES RICHNESS:
  Species Richness Indicator - Terrestrial: 2  Marine: 0
moderate
ENDEMISM: Terrestrial:   Terrestrial Endemism Indicator - Island: 2  Group: 3
    moderate
  Marine endemic species: 0   Marine Endemism Indicator - Island: 0  Group: 0
SPECIAL FEATURES :   Special Features Indicator - Terrestrial: 3   Marine: 1
  seabird rookery, former green turtle rookery
  inland mangroves; coral reef diving
INVASIVE SPECIES:     Invasive Species Indicator: 3
  common introductions

HUMAN OCCUPATION: Inhabited
  Population: 18000 (1982)   Density: 91.7 persons/sq. km
  Growth Rate: 0.0%/yr   Stable
  Major Human Activities: tourism, finance, agriculture
HUMAN IMPACTS:
Rapid expansion in tourism and construction with dramatic land use changes; agriculture limited by poor soils; urban area 16 km}; extensive turtle rookery wiped out, now turtle farm; overfishing, heavy tourist use of reefs by 100,000 divers annually, worth $30 million/year; 97% of wetlands have been designated for urban and agricultural development; most mangroves and reefs threatened by dredging
  Habitat: urban area 16 km   Urban Pop:Urban Indicator: 0
  Accessibility: port, airport  Annual tourist arrivals: 300000
Conservation support: legislation
PROTECTED AREAS:    Protected Area Coverage Indicators - Terrestrial: 0  Marine: 0
  Number: 2   Area: Terrestrial: 0.7 sq. km    Marine: 0 sq. km
Meagre Bay Pond Animal Sanctuary (38 ha) proposed Ramsar site Colliers Bay Pond Animal Sanctuary (32 ha) Booby Cay, proposed Ramsar site Little Sound Environmental Zone Spanish Cove Resort - Jetty Marine Park Zone North West Point - West Bay Cemetary Marine Park Zone Victoria House - Sand Cay Apartments Marine Park Zone Bowse Bluff - Rum Point Marine Park Zone
DATA RELIABILITY: partial    Data Rel. Indicator: 2
HUMAN IMPACT INDEX     HI: 5
CONSERVATION IMPORTANCE INDEX   CI-Terrestrial: 19   High
CI-Marine: 3   Low
REFERENCES:

Last updated: 09/07/89

Little Cayman     [919]
   Group: Archipelago: Cayman Islands
   Country: United Kingdom - Cayman Islands   Region: Caribbean Sea
Lat: 19.70º N   Long : 80.00º W
Area: 28.0 sq. km   Altitude: 14 m
Depth to nearest land: 1000 m
Nearest island: 15 km   group: 220 km
Nearest continent: North America    Distance: 600 km    Isolation Index: 43
ISLAND TYPE: raised limestone      Natural Protection Indicator: 0
GEOLOGY/SOILS:
Rugged topography of dissected limestone, extensive fringing reefs
CLIMATE: moderate  tropical  16-32C, 1400 mm
CATASTROPHIC THREATS: cyclones
   Threat Indicator: 1
ECOSYSTEMS:           Number of Ecosystems - Terrestrial: 4    Marine: 2
Coastal area of tall dry evergreen forest, interior area of tall dry evergreen forest, extensive impenetrable scrub thicket, mangroves (40%) of surface; extensive fringing reefs   Mangroves
   Percent shoreline: Coral Reef: 50%  Mangrove: -9%
SPECIES NUMBERS: Total Endemic Threatened (EVRI)
Plants  0 0 0
Butterflies 0 0 0
Land snails 0 1 0
Rept/Amphib 0 1 0
Land birds 0 4 0
Mammals 0 0 0

SPECIES OF CONSERVATION INTEREST:
Invertebrates: Cerion nanus (Little Cayman Pulmonate) at risk Reptiles/amphibians: Cyclura nubila caymanensis (Rock Iguana) endemic Crocodylus acutus (crocodile) probably extinct locally Birds: 4 endemic subspecies Sula sula (Red-footed Booby) one of largest colonies in Caribbean Fregata magnificens (Magnificent Frigatebird) 200 breeding pairs
  Species Richness Indicator - Terrestrial: 1  Marine: 0
ENDEMISM: Terrestrial:   Terrestrial Endemism Indicator - Island: 2  Group: 3
    moderate
  Marine endemic species: 0   Marine Endemism Indicator - Island: 0  Group: 0
SPECIAL FEATURES :   Special Features Indicator - Terrestrial: 3   Marine: 0
  major seabird rookery, former turtle nesting area
  significant dry evergreen forest
INVASIVE SPECIES:     Invasive Species Indicator: 3
  

HUMAN OCCUPATION: Inhabited, small population
  Population: 0    Density: 0.0 persons/sq. km
  Major Human Activities: tourism
HUMAN IMPACTS:

  Habitat: urban area 0.25 km   Urban Pop:Urban Indicator: 0
Conservation support: tenure
PROTECTED AREAS:    Protected Area Coverage Indicators - Terrestrial: 1  Marine: 0
  Number: 4   Area: Terrestrial: 0.7 sq. km    Marine: 0 sq. km
Booby Pond Animal Sanctuary The Rookery Animal Sanctuary (72 ha) proposed Ramsar site two wetlands also proposed as Ramsar sites Bloody Bay - Jackson Point Marine Park Zone Preston Bay - Main Channel Marine Park Zone
DATA RELIABILITY:    Data Rel. Indicator: 1
HUMAN IMPACT INDEX     HI: 3
CONSERVATION IMPORTANCE INDEX   CI-Terrestrial: 12   Moderate
CI-Marine: 2   Low
REFERENCES:

Last updated: 12/07/89

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Page last updated: 09/05/10