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ISLAND DIRECTORY


Islands of Mexico

Angel de la Guarda     [790]
   Group:
   Country: Mexico - Baja California (Norte)   Region: Golfo de California
Lat: 29.33º N   Long : 113.38º W
Area: 945.2 sq. km   Altitude: 1315 m
Shoreline: 199.0 km (scale 1:1000000)   Coastal Index: 0.2105
Depth to nearest land: >201 m
Nearest island: 25 km   group: 25 km
Nearest continent: North America    Distance: 25 km    Isolation Index: 15
ISLAND TYPE:      Natural Protection Indicator: 2
ECOSYSTEMS:           

HUMAN OCCUPATION: Inhabited, ?
  Population: 0    Density: 0.0 persons/sq. km
PROTECTED AREAS:    Protected Area Coverage Indicators - Terrestrial: 7  Marine: 0
  Number: 1   Area: Terrestrial: 945.2 sq. km    Marine: 0 sq. km
DATA RELIABILITY:    Data Rel. Indicator: 1
CONSERVATION IMPORTANCE INDEX   CI-Terrestrial: 2   Low
CI-Marine: 2   Low
Last updated: 22/10/90

Carmen     [1980]
Group:
Country: Mexico - Baja California Sur: Pacific
Lat: 26.00º NLong: 111.12º W Region: Gulf of California
Area: 0.0 sq. km   Altitude: 479 m  
ISLAND TYPE:

Cedros     [787]
   Group:
   Country: Mexico - Baja California (Norte)
Lat: 28.20º N   Long : 115.22º W
Area: 327.4 sq. km   Altitude: 1204 m
Shoreline: 108.6 km (scale 1:1000000)   Coastal Index: 0.3317
Depth to nearest land: <200 m
Nearest island: 25 km   group: 25 km
Nearest continent: North America    Distance: 25 km    Isolation Index: 15
ISLAND TYPE:      Natural Protection Indicator: 2
ECOSYSTEMS:           

HUMAN OCCUPATION: Inhabited, ?
  Population: 0    Density: 0.0 persons/sq. km
PROTECTED AREAS:    Protected Area Coverage Indicators - Terrestrial: 1  Marine: 0
  Number: 1   Area: Terrestrial: 10.0 sq. km    Marine: 0 sq. km
DATA RELIABILITY:    Data Rel. Indicator: 1
CONSERVATION IMPORTANCE INDEX   CI-Terrestrial: 2   Low
CI-Marine: 2   Low
Last updated: 22/10/90

Cerralvo     [782]
Group:
Country: Mexico - Baja California Sur: Pacific
Lat: 24.25º NLong: 109.86º W Region: Golfo de California
Area: 150.5 sq. km   Altitude: 771 m   Shoreline: 66.4 km (scale 1:1000000)
ISLAND TYPE:

Chinchorro, Banco     [1984]
Group:
Country: Mexico - Quintana Roo: Atlantic
Lat: 18.56º NLong: 87.32º W Region: Caribbean Sea
Area: 0.0 sq. km   Altitude: ? m
ISLAND TYPE: atoll

Clarion     [1484]
Group: Archipelago: Revillagigedo Islands
Country: Mexico - Revilla Gigedo: Pacific
Lat: 18.38º NLong: 114.69º W
Area: 0.0 sq. km   Altitude: 390 m  
ISLAND TYPE:

Cozumel     [789]
   Group:
   Country: Mexico - Quintana Roo   Region: Caribbean Sea
Lat: 20.40º N   Long : 86.90º W
Area: 539.1 sq. km   Altitude: 2 m
Shoreline: 122.7 km (scale 1:676000)   Coastal Index: 0.2276
Land < 5 m elevation: 539.1 sq. km   Sea level rise risk: 9
Depth to nearest land: >201 m
Nearest island: 10 km   group: 10 km
Nearest continent: North America    Distance: 10 km    Isolation Index: 9
ISLAND TYPE: low coral      Natural Protection Indicator: 0
GEOLOGY/SOILS:
Low-lying coral island about 2 m above sea level, no rivers
CLIMATE: semi-humid  tropical  1000-1200 mm
CATASTROPHIC THREATS: cyclones (hurricanes)
   Threat Indicator: 1
ECOSYSTEMS:           Number of Ecosystems - Terrestrial: 5    Marine: 3
Limestone forest (30000-40000 ha) including high forest (16 m) to west with Manilkara, Bursera, Brosinium, Psidium, Thrinax and Metopium, and lower forest to windward east with Coccoloba, Chrysotalamis, Pithecellobium and Cordia; sawgrass marsh (Cladium jamaicensis) in north (5000 ha); mangroves and coastal lagoons to north and west; extensive coral reefs off south-west coast   Coral reefs,  Mangroves
   Percent of land: Forested: 70%  Developed: 0%  Degraded: 0%
SPECIES NUMBERS: Total Endemic Threatened (EVRI)
Plants  0 0 0
Butterflies 0 0 0
Land snails 0 0 0
Rept/Amphib 0 0 1
Land birds 0 2 0
Mammals 0 3 1

SPECIES OF CONSERVATION INTEREST:
Reptiles/Amphibians: 3 amphibians, no endemics Rhinoclemmys areolata (Furrowed Wood Turtle) Insufficiently Known Loggerhead, Hawksbill, Leatherback and Green Turtles nest Birds: 2 endemics Toxostoma guttatum (Cozumel Thrasher) endemic, common (1955) Vireo bairdi (Cozumel Vireo) endemic, common (1986) seabird rookeries not well documented Mammals: 3 endemic species Procyon pygmaeus (Pygmy Raccoon) endemic, common especially in mangroves Nasua nelsoni (Coati) endemic Reithrodontomys spectabilis (Jabili) endemic Trichechus manatus (Caribbean Manatee) may occur, Vulnerable
ENDEMISM: Terrestrial:   Terrestrial Endemism Indicator - Island: 1  Group: 1
    2 birds, 3 mammals
  Marine endemic species: 0   Marine Endemism Indicator - Island: 0  Group: 0
SPECIAL FEATURES :   Special Features Indicator - Terrestrial: 2   Marine: 2
  seabird rookery, turtle nesting area, manatee may be present
  Chankanaab Lagoon sinkhole with corals
INVASIVE SPECIES:     Invasive Species Indicator: 2
  

HUMAN OCCUPATION: Inhabited
  Population: 20000    Density: 37.1 persons/sq. km
  Growth Rate: 2.5%/yr   Increasing
  Major Human Activities: tourism, agriculture
HUMAN IMPACTS:
Extensive tourist development on 16 km of west coast for coral reefs, up to 500 visitors per day including cruise ships
  Habitat: coastal urbanization   Urban Pop:Urban Indicator: 0
  Accessibility: airport
  Percent population in agr/mining/fishing: 26%   Human Threat Indicator: 1
  Gross Domestic Product: $ 2350 per capita    Economic Pressure Indicator: 1
Conservation support: government support, legislation
PROTECTED AREAS:    Protected Area Coverage Indicators - Terrestrial: 0  Marine: 0
  Number: 1   Area: Terrestrial: 0.0 sq. km    Marine: 0 sq. km
Parque Submarino Cozumel, including 32 km of reef in Marine Refuge (1980) and Chankanaab Park (1973) with protection down to 50 m
DATA RELIABILITY: partial    Data Rel. Indicator: 2
HUMAN IMPACT INDEX     HI: 5
CONSERVATION IMPORTANCE INDEX   CI-Terrestrial: 13   Moderate
CI-Marine: 5   Moderate
REFERENCES:
Johnson, Timothy H. 1988. Biodiversity and conservation in the Caribbean: profiles of selected islands. ICBP Monograph No. 1. International Council for Bird Preservation, Cambridge. 144 p.
Last updated: 16/09/90

Espiritu Santo     [781]
Group:
Country: Mexico - Baja California Sur: Pacific
Lat: 24.49º NLong: 110.36º W Region: Golfo de California
Area: 100.1 sq. km   Altitude: 576 m   Shoreline: 76.5 km (scale 1:1000000)
ISLAND TYPE:

Guadalupe (Guadelupe)    [785]
   Group:
   Country: Mexico - Guadalupe
Lat: 29.05º N   Long : 118.30º W
Area: 264.2 sq. km   Altitude: 1298 m
Shoreline: 96.1 km (scale 1:1000000)   Coastal Index: 0.3637
Depth to nearest land: 2000 m
Nearest island: 260 km   group: 260 km
Nearest continent: North America    Distance: 260 km    Isolation Index: 48
ISLAND TYPE:      Natural Protection Indicator: 4
ECOSYSTEMS:           

HUMAN OCCUPATION: Inhabited, ?
  Population: 0    Density: 0.0 persons/sq. km
PROTECTED AREAS:    Protected Area Coverage Indicators - Terrestrial: 1  Marine: 0
  Number: 1   Area: Terrestrial: 10.0 sq. km    Marine: 0 sq. km
DATA RELIABILITY:    Data Rel. Indicator: 1
CONSERVATION IMPORTANCE INDEX   CI-Terrestrial: 4   Low
CI-Marine: 4   Low
Last updated: 22/10/90

Los Coronados     [1693]
Group: Los Coronados Islands
Country: Mexico - Baja California (Norte): Pacific
Lat: 32.43º NLong: 117.27º W
Area: 0.0 sq. km   Altitude: ? m
ISLAND TYPE: continental

Magdalena (Santa Magdalena)    [786]
   Group:
   Country: Mexico - Baja California Sur
Lat: 24.80º N   Long : 112.20º W
Area: 314.0 sq. km   Altitude: 389 m
Shoreline: 223.5 km (scale 1:1000000)   Coastal Index: 0.7118
Depth to nearest land: <200 m   Island only isolated since last ice age
Nearest island: 7 km   group: 1 km
Nearest continent: North America    Distance: 1 km    Isolation Index: 5
ISLAND TYPE:      Natural Protection Indicator: 2
ECOSYSTEMS:           
HUMAN OCCUPATION: Inhabited, ?
  Population: 0    Density: 0.0 persons/sq. km
CONSERVATION IMPORTANCE INDEX   CI-Terrestrial: 2   Low
CI-Marine: 2   Low
Last updated: 20/08/88

Maria Cleofas     [1983]
Group: Marias, Islas
Country: Mexico - Nayarit: Pacific
Lat: 21.26º NLong: 106.26º W
Area: 0.0 sq. km   Altitude: 401 m  
ISLAND TYPE:

Maria Madre     [1981] - including San Juanito
Group: Marias, Islas
Country: Mexico - Nayarit: Pacific
Lat: 21.60º NLong: 106.58º W
Area: 0.0 sq. km   Altitude: 614 m  
ISLAND TYPE:

Maria Magdalena     [1982]
Group: Marias, Islas
Country: Mexico - Nayarit: Pacific
Lat: 21.42º NLong: 106.42º W
Area: 0.0 sq. km   Altitude: 456 m  
ISLAND TYPE:

Roca Partida     [1483]
Group: Archipelago: Revillagigedo Islands
Country: Mexico - Revilla Gigedo: Pacific
Lat: 18.98º NLong: 112.03º W
Area: 0.0 sq. km   Altitude: ? m
ISLAND TYPE:

San Benedicto     [1482]
Group: Archipelago: Revillagigedo Islands
Country: Mexico - Revilla Gigedo: Pacific
Lat: 19.30º NLong: 110.79º W
Area: 0.0 sq. km   Altitude: ? m
ISLAND TYPE:

San Jose     [783]
Group:
Country: Mexico - Baja California Sur: Pacific
Lat: 24.97º NLong: 110.62º W Region: Golfo de California
Area: 165.0 sq. km   Altitude: 688 m   Shoreline: 71.8 km (scale 1:1000000)
ISLAND TYPE:

Santa Catalina     [1979]
Group:
Country: Mexico - Baja California Sur: Pacific
Lat: 25.64º NLong: 110.80º W Region: Gulf of California
Area: 0.0 sq. km   Altitude: 470 m  
ISLAND TYPE:

Santa Margarita     [784]
   Group:
   Country: Mexico - Baja California Sur
Lat: 24.43º N   Long : 111.85º W
Area: 230.9 sq. km   Altitude: 610 m
Shoreline: 95.8 km (scale 1:1000000)   Coastal Index: 0.4149
Depth to nearest land: <200 m   Island only isolated since last ice age
Nearest island: 7 km   group: 2 km
Nearest continent: North America    Distance: 2 km    Isolation Index: 5
ISLAND TYPE:      Natural Protection Indicator: 2
ECOSYSTEMS:           
HUMAN OCCUPATION: Inhabited, ?
  Population: 0    Density: 0.0 persons/sq. km
CONSERVATION IMPORTANCE INDEX   CI-Terrestrial: 2   Low
CI-Marine: 2   Low
Last updated: 20/08/88

Socorro     [1481]
Group: Archipelago: Revillagigedo Islands
Country: Mexico - Revilla Gigedo: Pacific
Lat: 18.78º NLong: 110.99º W
Area: 0.0 sq. km   Altitude: 1130 m  
ISLAND TYPE: volcanic

Tiburon     [791]
   Group:
   Country: Mexico - Sonora   Region: Golfo de California
Lat: 29.00º N   Long : 112.35º W
Area: 1190.2 sq. km   Altitude: 875 m
Shoreline: 175.3 km (scale 1:1000000)   Coastal Index: 0.1473
Depth to nearest land: <200 m
Nearest island: 4 km   group: 4 km
Nearest continent: North America    Distance: 4 km    Isolation Index: 6
ISLAND TYPE:      Natural Protection Indicator: 2
ECOSYSTEMS:           

HUMAN OCCUPATION: Inhabited, ?
  Population: 0    Density: 0.0 persons/sq. km
PROTECTED AREAS:    Protected Area Coverage Indicators - Terrestrial: 7  Marine: 0
  Number: 1   Area: Terrestrial: 1190.2 sq. km    Marine: 0 sq. km
CONSERVATION IMPORTANCE INDEX   CI-Terrestrial: 2   Low
CI-Marine: 2   Low
Last updated: 22/10/90

Todos Santos, Isla de     [1694]
Group:
Country: Mexico - Baja California (Norte): Pacific
Lat: 31.77º NLong: 116.75º W
Area: 0.0 sq. km   Altitude: ? m
ISLAND TYPE: continental

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Page last updated: 02/03/98