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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: 0
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
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: 0
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
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: 0 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: 0
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
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: 0
ECOSYSTEMS:
HUMAN OCCUPATION: Inhabited, ?
Population: 0 Density: 0.0 persons/sq. km
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: 0
ECOSYSTEMS:
HUMAN OCCUPATION: Inhabited, ?
Population: 0 Density: 0.0 persons/sq. km
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: 0
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
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: 09/05/10