Dahl Web Site
ISLAND DIRECTORY
Islands of United States of America
Adak [442]
Group: Andreanof Islands, Archipelago: Aleutian Islands
Country: United States - Alaska: Pacific
Lat: 51.80º NLong: 176.67º W
Area: 725.4 sq. km Altitude: 1195 m Shoreline: 282.6 km (scale 1:1000000)
ISLAND TYPE:
Admiralty [204]
Group: Archipelago: Alexander Archipelago
Country: United States - Alaska: Pacific
Lat: 57.72º NLong: 134.25º W
Area: 4362.1 sq. km Altitude: 1477 m Shoreline: 973.0 km (scale 1:1000000)
ISLAND TYPE: continental
Afognak (Afoginak) [448]
Group: Archipelago: Kodiak Islands
Country: United States - Alaska: Pacific
Lat: 58.25º NLong: 152.50º W
Area: 1809.2 sq. km Altitude: 793 m Shoreline: 558.1 km (scale 1:1000000)
ISLAND TYPE:
Agattu [418]
Group: Near Islands, Archipelago: Aleutian Islands
Country: United States - Alaska: Pacific
Lat: 52.43º NLong: 173.60º W
Area: 233.5 sq. km Altitude: 634 m Shoreline: 96.0 km (scale 1:1000000)
ISLAND TYPE:
Akun [403]
Group: Fox Islands Archipelago: Aleutian Islands
Country: United States - Alaska
Lat: 54.20º N Long : 165.55º W
Area: 167.7 sq. km Altitude: 793 m
Shoreline: 105.3 km (scale 1:1000000) Coastal Index: 0.6279
Depth to nearest land: <200 m Island only isolated since last ice age
Nearest island: 5 km group: 50 km
Nearest continent: North America Distance: 250 km Isolation Index: 25
ISLAND TYPE: Natural Protection Indicator: 0
ECOSYSTEMS:
HUMAN OCCUPATION: Inhabited, ?
Population: 0 Density: 0.0 persons/sq. km
Last updated: 01/08/88
Akutan [1696]
Group: Fox Islands Archipelago: Aleutian Islands
Country: United States - Alaska
Lat: 54.17º N Long : 166.00º W
Area: 0.0 sq. km Altitude: 4275 m
Depth to nearest land: <200 m Island only isolated since last ice age
Nearest island: 15 km group: 60 km
Nearest continent: North America Distance: 160 km Isolation Index: 24
ISLAND TYPE: active volcanic Natural Protection Indicator: 0
ECOSYSTEMS:
HUMAN OCCUPATION: Inhabited
Population: 0 Density: 0.0 persons/sq. km
Last updated: 11/02/89
Amchitka [422]
Group: Rat Islands, Archipelago: Aleutian Islands
Country: United States - Alaska: Pacific
Lat: 51.47º NLong: 179.06º W
Area: 308.6 sq. km Altitude: 373 m Shoreline: 181.2 km (scale 1:1000000)
ISLAND TYPE:
Amlia [434]
Group: Andreanof Islands, Archipelago: Aleutian Islands
Country: United States - Alaska: Pacific
Lat: 52.08º NLong: 173.50º W
Area: 459.1 sq. km Altitude: 639 m Shoreline: 234.0 km (scale 1:1000000)
ISLAND TYPE:
Anacapa [1690]
Group: Archipelago: California Channel Islands
Country: United States - California
Lat: 34.00º N Long : 119.37º W
Area: 2.9 sq. km Altitude: 279 m
Shoreline: 16.3 km (scale 1:) Coastal Index: 5.6207
Depth to nearest land: >201 m
Nearest island: 6 km group: 18 km
Nearest continent: North America Distance: 18 km Isolation Index: 11
ISLAND TYPE: continental Natural Protection Indicator: 0
GEOLOGY/SOILS:
Highly weathered Miocene volcanic (Cenozoic - 24-38 million years old)
and
sedimentary rocks, uplifted by faulting; an extension of the Santa
Monica
mountains
CLIMATE: dry temperate 0-32øC, ave.16øC, 200mm
WATER BALANCE: dry
CATASTROPHIC THREATS: drought, fire, oil spill (1969)
Threat Indicator: 3
ECOSYSTEMS: Number of Ecosystems - Terrestrial: 3 Marine: 2
Grassland, coastal sage scrub, coastal bluffs; rocky shores, kelp beds
with
Macrocystis
| SPECIES NUMBERS: |
Total |
Endemic |
Threatened (EVRI) |
| Plants |
262 |
0 |
1 |
| Butterflies |
0 |
0 |
0 |
| Land snails |
0 |
0 |
0 |
| Rept/Amphib |
3 |
0 |
0 |
| Land birds |
31 |
0 |
1 |
| Mammals |
1 |
0 |
0 |
SPECIES OF CONSERVATION INTEREST:
Plants:
262 species, 17 group endemics
Coreopsis gigantea (Coreopsis) rare
Reptiles/amphibians:
1 salamander
2 lizards
Birds:
31 species plus many migrants, 8 group endemics
Pelecanus occidentalis (California Brown Pelican) only breeding site,
endangered
Mammals:
1 native land mammal
Deer Mouse, group endemic
California Sea Lion
Harbor Seal
SPECIES RICHNESS:
Species Richness Indicator - Terrestrial: 2 Marine: 3
moderate
ENDEMISM: Terrestrial: Terrestrial Endemism Indicator - Island: 0 Group: 2
26 group endemics
Marine endemic species: 0
Marine Endemism Indicator - Island: 0 Group: 0
SPECIAL FEATURES : Special Features Indicator - Terrestrial: 4 Marine: 0
seabird rookery sea lion and harbor seal
only Brown Pelican rookery on west coast; Chumash archaeological sites
INVASIVE SPECIES: Invasive Species Indicator: 3
Rattus rattus, ice plant, grasses
Mesembryanthemum crystallinum (Crystalline Iceplant)
HUMAN OCCUPATION: Inhabited, park wardens
Population: 3 (1989) Density: 1.0 persons/sq. km
Growth Rate: 0.0%/yr Stable
Major Human Activities: tourism
HUMAN IMPACTS:
Visited by Chumash indians; leased beginning 1902, sheep
ranching; Coast Guard station; National Park Service facility Annual tourist arrivals: 60000
Conservation support: tenure, government & public support, legislation
PROTECTED AREAS: Protected Area Coverage Indicators - Terrestrial: 7 Marine: 0
Number: 1 Area: Terrestrial: 2.7 sq. km Marine: 14 sq. km
Channel Islands National Park (1,727 ha); Marine Sanctuary
DATA RELIABILITY: good Data Rel. Indicator: 3
HUMAN IMPACT INDEX HI: 3
CONSERVATION IMPORTANCE INDEX CI-Terrestrial: 14 High
CI-Marine: 10 Moderate
REFERENCES:
Channel Islands National Park. 1989. Data sheets for Anacapa, Santa
Barbara,
Santa Rosa, San Miguel.
Last updated: 07/05/89
Annette [426]
Group: Archipelago: Alexander Archipelago
Country: United States - Alaska: Pacific
Lat: 55.12º NLong: 131.48º W
Area: 342.2 sq. km Altitude: 1095 m Shoreline: 146.2 km (scale 1:1000000)
ISLAND TYPE:
Atka [444]
Group: Andreanof Islands, Archipelago: Aleutian Islands
Country: United States - Alaska: Pacific
Lat: 52.17º NLong: 174.50º W
Area: 1061.4 sq. km Altitude: 1532 m Shoreline: 478.0 km (scale 1:1000000)
ISLAND TYPE:
Attu [443]
Group: Near Islands, Archipelago: Aleutian Islands
Country: United States - Alaska: Pacific
Lat: 52.72º NLong: 172.95º W
Area: 896.4 sq. km Altitude: 944 m Shoreline: 235.3 km (scale 1:1000000)
ISLAND TYPE:
Augustine [1151]
Group:
Country: United States - Alaska Region: Cook Inlet
Lat: 59.35º N Long : 153.42º W
Area: 86.5 sq. km Altitude: 1372 m
Shoreline: 44.1 km (scale 1:1000000) Coastal Index: 0.5098
Depth to nearest land: <200 m Island only isolated since last ice age
Nearest island: 12 km group: 12 km
Nearest continent: North America Distance: 12 km Isolation Index: 10
ISLAND TYPE: Natural Protection Indicator: 0
ECOSYSTEMS:
HUMAN OCCUPATION: Inhabited, ?
Population: 0 Density: 0.0 persons/sq. km
Last updated: 21/08/88
Baker [386]
Group: Archipelago: Alexander Archipelago
Country: United States - Alaska: Pacific
Lat: 55.38º NLong: 133.55º W
Area: 115.1 sq. km Altitude: 696 m Shoreline: 97.4 km (scale 1:1000000)
ISLAND TYPE:
Baker [1859]
Group: Howland and Baker Archipelago: Phoenix Islands
Country: United States - Howland and Baker Region: Oceania 15
Lat: 0.20º N Long : 176.47º W
Area: 1.2 sq. km Altitude: 8 m
Depth to nearest land: 5000 m
Nearest island: 50 km group: 900 km
Nearest continent: Australia Distance: 4500 km Isolation Index: 104
ISLAND TYPE: low coral Natural Protection Indicator: 1
CLIMATE: dry tropical very low rainfall
WATER BALANCE: drought
CATASTROPHIC THREATS: drought
Threat Indicator: 1
ECOSYSTEMS: Number of Ecosystems - Terrestrial: 2 Marine: 1
Grass and low scrub with 15 herbaceous plants; fringing reefs (CRD)
Percent shoreline: Coral Reef: 98% Mangrove: 0%
| SPECIES NUMBERS: |
Total |
Endemic |
Threatened (EVRI) |
| Plants |
6 |
0 |
0 |
| Butterflies |
0 |
0 |
0 |
| Land snails |
0 |
0 |
0 |
| Rept/Amphib |
0 |
0 |
0 |
| Land birds |
0 |
0 |
0 |
| Mammals |
0 |
0 |
0 |
SPECIES RICHNESS:
few
ENDEMISM: Terrestrial: Terrestrial Endemism Indicator - Island: 0 Group: 0
none
Marine endemic species: 0
Marine Endemism Indicator - Island: 0 Group: 0
SPECIAL FEATURES : Special Features Indicator - Terrestrial: 1 Marine: 0
seabird rookery green turtles reported
INVASIVE SPECIES: Invasive Species Indicator: 1
HUMAN OCCUPATION: Uninhabited, formerly inhabited
Population: 0 Density: 0.0 persons/sq. km
Major Human Activities: wildlife refuge
Accessibility: airport
Conservation support: tenure, government support, legislation
PROTECTED AREAS: Protected Area Coverage Indicators - Terrestrial: 7 Marine: 0
Number: 1 Area: Terrestrial: 1.2 sq. km Marine: 116 sq. km
DATA RELIABILITY: old Data Rel. Indicator: 2
HUMAN IMPACT INDEX HI: 1
CONSERVATION IMPORTANCE INDEX CI-Terrestrial: 3 Low
CI-Marine: 3 Low
Last updated: 06/05/89
Baranof [454]
Group: Archipelago: Alexander Archipelago
Country: United States - Alaska: Pacific
Lat: 56.95º NLong: 135.00º W
Area: 4064.5 sq. km Altitude: 1634 m Shoreline: 1062.8 km (scale 1:1000000)
ISLAND TYPE:
Chichagof [457]
Group: Archipelago: Alexander Archipelago
Country: United States - Alaska: Pacific
Lat: 57.84º NLong: 135.67º W
Area: 5388.0 sq. km Altitude: 1190 m Shoreline: 1157.6 km (scale 1:1000000)
ISLAND TYPE:
Chuginadak [402]
Group: Islands of the Four Mountains, Archipelago: Aleutian Islands
Country: United States - Alaska: Pacific
Lat: 52.84º NLong: 169.84º W
Area: 167.4 sq. km Altitude: 1730 m Shoreline: 78.0 km (scale 1:1000000)
ISLAND TYPE: active volcanic
Dall [439]
Group: Archipelago: Alexander Archipelago
Country: United States - Alaska: Pacific
Lat: 54.95º NLong: 133.00º W
Area: 655.2 sq. km Altitude: 948 m Shoreline: 371.5 km (scale 1:1000000)
ISLAND TYPE:
Deer [396]
Group: Archipelago: Aleutian Islands
Country: United States - Alaska
Lat: 54.72º N Long : 162.32º W
Area: 151.7 sq. km Altitude: 628 m
Shoreline: 53.9 km (scale 1:1000000) Coastal Index: 0.3553
Depth to nearest land: <200 m Island only isolated since last ice age
Nearest island: 10 km group: 10 km
Nearest continent: North America Distance: 10 km Isolation Index: 9
ISLAND TYPE: Natural Protection Indicator: 0
ECOSYSTEMS:
HUMAN OCCUPATION: Inhabited, ?
Population: 0 Density: 0.0 persons/sq. km
Last updated: 01/08/88
Dolgoi [384]
Group: Shumagin Islands Archipelago: Aleutian Islands
Country: United States - Alaska
Lat: 55.12º N Long : 161.85º W
Area: 107.4 sq. km Altitude: ? m
Shoreline: 75.0 km (scale 1:1000000) Coastal Index: 0.6983
Depth to nearest land: <200 m Island only isolated since last ice age
Nearest island: 2 km group: 10 km
Nearest continent: North America Distance: 10 km Isolation Index: 8
ISLAND TYPE: Natural Protection Indicator: 0
ECOSYSTEMS:
HUMAN OCCUPATION: Inhabited, ?
Population: 0 Density: 0.0 persons/sq. km
Last updated: 01/08/88
Duke [395]
Group: Archipelago: Alexander Archipelago
Country: United States - Alaska: Pacific
Lat: 54.95º NLong: 131.34º W
Area: 149.4 sq. km Altitude: 542 m Shoreline: 103.6 km (scale 1:1000000)
ISLAND TYPE:
Esther [390]
Group:
Country: United States - Alaska
Lat: 60.86º N Long : 148.02º W
Area: 133.4 sq. km Altitude: 305 m
Shoreline: 236.9 km (scale 1:1000000) Coastal Index: 1.7759
Depth to nearest land: <100 m Island only isolated since last ice age
Nearest island: 10 km group: 2 km
Nearest continent: North America Distance: 2 km Isolation Index: 6
ISLAND TYPE: Natural Protection Indicator: 0
ECOSYSTEMS:
HUMAN OCCUPATION: Inhabited, ?
Population: 0 Density: 0.0 persons/sq. km
Last updated: 01/08/88
Etolin [182]
Group: Archipelago: Alexander Archipelago
Country: United States - Alaska: Pacific
Lat: 56.15º NLong: 132.36º W
Area: 869.9 sq. km Altitude: 1204 m Shoreline: 294.8 km (scale 1:1000000)
ISLAND TYPE:
Evans [1148]
Group:
Country: United States - Alaska: Pacific
Lat: 60.08º NLong: 148.02º W Region: Prince William Sound
Area: 77.4 sq. km Altitude: ? m Shoreline: 66.2 km (scale 1:1000000)
ISLAND TYPE:
Farallon Islands [1692]
Group: Farallon Islands
Country: United States - California
Lat: 37.67º N Long : 123.00º W
Area: 0.0 sq. km Altitude: ? m
Depth to nearest land: <200 m
Nearest island: 35 km group: 35 km
Nearest continent: North America Distance: 35 km Isolation Index: 18
ISLAND TYPE: continental Natural Protection Indicator: 2
CLIMATE: temperate
ECOSYSTEMS:
SPECIAL FEATURES : Special Features Indicator - Terrestrial: 1 Marine: 0
seabird rookery
HUMAN OCCUPATION: Uninhabited
Population: 0 Density: 0.0 persons/sq. km
Conservation support: tenure, government & public support, legislation
PROTECTED AREAS: Protected Area Coverage Indicators - Terrestrial: 0 Marine: 0
Number: 1 Area: Terrestrial: 0.0 sq. km Marine: 0 sq. km
DATA RELIABILITY: Data Rel. Indicator: 1
CONSERVATION IMPORTANCE INDEX CI-Terrestrial: 3 Low
CI-Marine: 2 Low
Last updated: 10/02/89
Galveston [1978]
Group:
Country: United States - Texas Region: Gulf of Mexico
Lat: 29.22º N Long : 94.91º W
Area: 0.0 sq. km Altitude: ? m
Depth to nearest land: <200 m Island only isolated since last ice age
Nearest island: 1 km group: 2 km
Nearest continent: North America Distance: 2 km Isolation Index: 4
ISLAND TYPE: continental Natural Protection Indicator: 0
ECOSYSTEMS:
HUMAN OCCUPATION: Inhabited, city of Galveston
Population: 0 Density: 0.0 persons/sq. km
Accessibility: port, airport
Last updated: 04/08/90
Gravina [140]
Group: Archipelago: Alexander Archipelago
Country: United States - Alaska: Pacific
Lat: 55.30º NLong: 131.75º W
Area: 244.9 sq. km Altitude: 832 m Shoreline: 106.6 km (scale 1:1000000)
ISLAND TYPE: continental
Great Sitkin [400]
Group: Andreanof Islands, Archipelago: Aleutian Islands
Country: United States - Alaska: Pacific
Lat: 52.06º NLong: 176.08º W
Area: 155.6 sq. km Altitude: 1739 m Shoreline: 64.8 km (scale 1:1000000)
ISLAND TYPE: active volcanic
Hagemeister - including Walrus Islands, Round Island [425]
Group:
Country: United States - Alaska Region: Bering Sea
Lat: 58.64º N Long : 160.95º W
Area: 312.4 sq. km Altitude: 543 m
Shoreline: 108.3 km (scale 1:1000000) Coastal Index: 0.3467
Depth to nearest land: <200 m Island only isolated since last ice age
Nearest island: 5 km group: 5 km
Nearest continent: North America Distance: 5 km Isolation Index: 7
ISLAND TYPE: Natural Protection Indicator: 0
ECOSYSTEMS:
SPECIAL FEATURES : Special Features Indicator - Terrestrial: 1 Marine: 0
Round Island important walrus colony
HUMAN OCCUPATION: Inhabited, ?
Population: 0 Density: 0.0 persons/sq. km
PROTECTED AREAS: Protected Area Coverage Indicators - Terrestrial: 0 Marine: 0
Number: 1 Area: Terrestrial: 0.0 sq. km Marine: 0 sq. km
CONSERVATION IMPORTANCE INDEX CI-Terrestrial: 1 Low
CI-Marine: 0 Low
Last updated: 11/02/89
Hawaii [460]
Group: Archipelago: Hawaiian Islands
Country: United States - Hawaii: Pacific
Lat: 19.50º NLong: 155.50º W
Area: 10434.0 sq. km Altitude: 4169 m Shoreline: 473.8 km (scale 1:1000000)
ISLAND TYPE: volcanic
Hawkins [407]
Group:
Country: United States - Alaska: Pacific
Lat: 60.52º NLong: 146.00º W Region: Prince William Sound
Area: 174.5 sq. km Altitude: 565 m Shoreline: 98.5 km (scale 1:1000000)
ISLAND TYPE:
Heceta [409]
Group: Archipelago: Alexander Archipelago
Country: United States - Alaska: Pacific
Lat: 55.85º NLong: 133.58º W
Area: 181.0 sq. km Altitude: 847 m Shoreline: 96.0 km (scale 1:1000000)
ISLAND TYPE:
Hinchinbrook [433]
Group:
Country: United States - Alaska: Pacific
Lat: 60.70º NLong: 146.38º W Region: Prince William Sound
Area: 442.0 sq. km Altitude: 887 m Shoreline: 181.7 km (scale 1:1000000)
ISLAND TYPE:
Howland [1858]
Group: Howland and Baker Archipelago: Phoenix Islands
Country: United States - Howland and Baker Region: Oceania 15
Lat: 0.80º N Long : 176.63º W
Area: 1.5 sq. km Altitude: 7 m
Depth to nearest land: 5000 m
Nearest island: 50 km group: 900 km
Nearest continent: Australia Distance: 4500 km Isolation Index: 104
ISLAND TYPE: low coral Natural Protection Indicator: 1
CLIMATE: dry tropical
WATER BALANCE: intermittent drought
CATASTROPHIC THREATS: drought
Threat Indicator: 1
ECOSYSTEMS: Number of Ecosystems - Terrestrial: 2 Marine: 1
Grass and low scrub with 6 vascular plants including Corda; fringing
reefs 100
m wide (CRD)
Percent shoreline: Coral Reef: 98% Mangrove: 0%
| SPECIES NUMBERS: |
Total |
Endemic |
Threatened (EVRI) |
| Plants |
6 |
0 |
0 |
| Butterflies |
0 |
0 |
0 |
| Land snails |
0 |
0 |
0 |
| Rept/Amphib |
0 |
0 |
0 |
| Land birds |
0 |
0 |
0 |
| Mammals |
0 |
0 |
0 |
SPECIES RICHNESS:
few
ENDEMISM: Terrestrial: Terrestrial Endemism Indicator - Island: 0 Group: 0
none
Marine endemic species: 0
Marine Endemism Indicator - Island: 0 Group: 0
SPECIAL FEATURES : Special Features Indicator - Terrestrial: 1 Marine: 0
seabird rookery green turtles reported
INVASIVE SPECIES: Invasive Species Indicator: 4
feral cats have decimated Phoenix Petrel
HUMAN OCCUPATION: Uninhabited, formerly inhabited
Population: 0 Density: 0.0 persons/sq. km
Major Human Activities: wildlife refuge
Accessibility: airport
Conservation support: tenure, government support, legislation
PROTECTED AREAS: Protected Area Coverage Indicators - Terrestrial: 7 Marine: 0
Number: 1 Area: Terrestrial: 1.5 sq. km Marine: 119 sq. km
DATA RELIABILITY: old Data Rel. Indicator: 2
HUMAN IMPACT INDEX HI: 4
CONSERVATION IMPORTANCE INDEX CI-Terrestrial: 3 Low
CI-Marine: 3 Low
Last updated: 06/05/89
Jarvis [1857]
Group: Archipelago: Line Islands
Country: United States - Jarvis Region: Oceania 15
Lat: 0.38º S Long : 160.03º W
Area: 4.4 sq. km Altitude: 8 m
Depth to nearest land: 4000 m
Nearest island: 350 km group: 1500 km
Nearest continent: North America Distance: 5000 km Isolation Index: 128
ISLAND TYPE: low coral Natural Protection Indicator: 4
CLIMATE: tropical
WATER BALANCE: intermittent drought
CATASTROPHIC THREATS: drought
Threat Indicator: 1
ECOSYSTEMS: Number of Ecosystems - Terrestrial: 1 Marine: 1
Atoll scrub; fringing reefs 100 m wide
Percent shoreline: Coral Reef: 98% Mangrove: 0%
| SPECIES NUMBERS: |
Total |
Endemic |
Threatened (EVRI) |
| Plants |
8 |
0 |
0 |
| Butterflies |
0 |
0 |
0 |
| Land snails |
0 |
0 |
0 |
| Rept/Amphib |
0 |
0 |
0 |
| Land birds |
0 |
0 |
0 |
| Mammals |
0 |
0 |
0 |
SPECIES RICHNESS:
few
ENDEMISM: Terrestrial: Terrestrial Endemism Indicator - Island: 0 Group: 0
none
Marine endemic species: 0
Marine Endemism Indicator - Island: 0 Group: 0
SPECIAL FEATURES : Special Features Indicator - Terrestrial: 1 Marine: 0
seabird rookery green turtles reported
INVASIVE SPECIES: Invasive Species Indicator: 1
feral cats eliminated 1983
HUMAN OCCUPATION: Uninhabited, formerly inhabited
Population: 0 Density: 0.0 persons/sq. km
Major Human Activities: wildlife refuge
Conservation support: tenure, government support, legislation
PROTECTED AREAS: Protected Area Coverage Indicators - Terrestrial: 7 Marine: 0
Number: 1 Area: Terrestrial: 4.4 sq. km Marine: 152 sq. km
DATA RELIABILITY: old Data Rel. Indicator: 2
HUMAN IMPACT INDEX HI: 1
CONSERVATION IMPORTANCE INDEX CI-Terrestrial: 6 Moderate
CI-Marine: 6 Moderate
Last updated: 06/05/89
Johnston [1680]
Group: Johnston Island
Country: United States - Johnston Island
Lat: 16.75º N Long : 169.53º W
Area: 0.0 sq. km Altitude: ? m
Depth to nearest land: 4000 m
Nearest island: 900 km group: 900 km
Nearest continent: North America Distance: 4000 km Isolation Index: 123
ISLAND TYPE: atoll Natural Protection Indicator: 0
CATASTROPHIC THREATS: chemical spills
Threat Indicator: 1
ECOSYSTEMS:
Percent shoreline: Coral Reef: 99% Mangrove: 0%
HUMAN OCCUPATION: Inhabited
Population: 0 Density: 0.0 persons/sq. km
Major Human Activities: military, chemical weapons storage, and incineration
Accessibility: port, airport
Conservation support: tenure
DATA RELIABILITY: Data Rel. Indicator: 2
CONSERVATION IMPORTANCE INDEX CI-Terrestrial: 1 Low
CI-Marine: 1 Low
Last updated: 06/02/89
Kagalaska [388]
Group: Andreanof Islands, Archipelago: Aleutian Islands
Country: United States - Alaska: Pacific
Lat: 51.82º NLong: 176.36º W
Area: 116.4 sq. km Altitude: 760 m Shoreline: 72.0 km (scale 1:1000000)
ISLAND TYPE:
Kahoolawe [385]
Group: Archipelago: Hawaiian Islands
Country: United States - Hawaii: Pacific
Lat: 20.55º NLong: 156.65º W Region: Oceania
Area: 113.3 sq. km Altitude: 450 m Shoreline: 52.2 km (scale 1:1000000)
ISLAND TYPE: volcanic
Kanaga [429]
Group: Andreanof Islands, Archipelago: Aleutian Islands
Country: United States - Alaska: Pacific
Lat: 51.78º NLong: 177.28º W
Area: 368.6 sq. km Altitude: 1305 m Shoreline: 171.5 km (scale 1:1000000)
ISLAND TYPE:
Kauai [445]
Group: Archipelago: Hawaiian Islands
Country: United States - Hawaii: Pacific
Lat: 22.50º NLong: 159.50º W
Area: 1434.6 sq. km Altitude: 1598 m Shoreline: 155.9 km (scale 1:1000000)
ISLAND TYPE: volcanic
Kayak [1147]
Group:
Country: United States - Alaska
Lat: 59.92º N Long : 144.43º W
Area: 76.9 sq. km Altitude: 494 m
Shoreline: 71.2 km (scale 1:1000000) Coastal Index: 0.9259
Depth to nearest land: <100 m Island only isolated since last ice age
Nearest island: 2 km group: 2 km
Nearest continent: North America Distance: 2 km Isolation Index: 4
ISLAND TYPE: Natural Protection Indicator: 0
ECOSYSTEMS:
HUMAN OCCUPATION: Inhabited, ?
Population: 0 Density: 0.0 persons/sq. km
Last updated: 21/08/88
Kiska [421]
Group: Rat Islands, Archipelago: Aleutian Islands
Country: United States - Alaska: Pacific
Lat: 53.00º NLong: 177.53º W
Area: 277.9 sq. km Altitude: 1219 m Shoreline: 146.2 km (scale 1:1000000)
ISLAND TYPE: active volcanic
Knight [420]
Group:
Country: United States - Alaska: Pacific
Lat: 60.34º NLong: 147.70º W Region: Prince William Sound
Area: 260.3 sq. km Altitude: 946 m Shoreline: 235.2 km (scale 1:1000000)
ISLAND TYPE:
Kodiak [1695]
Group: Archipelago: Kodiak Islands
Country: United States - Alaska: Pacific
Lat: 57.33º NLong: 153.67º W
Area: 0.0 sq. km Altitude: ? m
ISLAND TYPE: continental
Korovin [1145]
Group: Shumagin Islands Archipelago: Aleutian Islands
Country: United States - Alaska
Lat: 55.42º N Long : 160.22º W
Area: 66.2 sq. km Altitude: 551 m
Shoreline: 45.5 km (scale 1:1000000) Coastal Index: 0.6873
Depth to nearest land: <200 m Island only isolated since last ice age
Nearest island: 10 km group: 10 km
Nearest continent: North America Distance: 10 km Isolation Index: 9
ISLAND TYPE: Natural Protection Indicator: 0
ECOSYSTEMS:
HUMAN OCCUPATION: Inhabited, ?
Population: 0 Density: 0.0 persons/sq. km
Last updated: 21/08/88
Kosciusko [432]
Group: Archipelago: Alexander Archipelago
Country: United States - Alaska: Pacific
Lat: 56.08º NLong: 133.50º W
Area: 437.7 sq. km Altitude: 819 m Shoreline: 167.7 km (scale 1:1000000)
ISLAND TYPE:
Kruzof [431]
Group: Archipelago: Alexander Archipelago
Country: United States - Alaska: Pacific
Lat: 57.17º NLong: 135.75º W
Area: 435.3 sq. km Altitude: 975 m Shoreline: 144.5 km (scale 1:1000000)
ISLAND TYPE:
Kuiu [450]
Group: Archipelago: Alexander Archipelago
Country: United States - Alaska: Pacific
Lat: 56.45º NLong: 134.00º W
Area: 1961.7 sq. km Altitude: 1081 m Shoreline: 787.6 km (scale 1:1000000)
ISLAND TYPE:
Kupreanof [452]
Group: Archipelago: Alexander Archipelago
Country: United States - Alaska: Pacific
Lat: 56.75º NLong: 133.36º W
Area: 2813.3 sq. km Altitude: 1203 m Shoreline: 464.4 km (scale 1:1000000)
ISLAND TYPE:
Lanai [428]
Group: Archipelago: Hawaiian Islands
Country: United States - Hawaii: Pacific
Lat: 20.85º NLong: 156.95º W
Area: 358.4 sq. km Altitude: 1027 m Shoreline: 77.8 km (scale 1:2500000)
ISLAND TYPE: volcanic
Latouche [1146]
Group:
Country: United States - Alaska: Pacific
Lat: 60.01º NLong: 147.75º W Region: Prince William Sound
Area: 74.8 sq. km Altitude: 686 m Shoreline: 47.5 km (scale 1:1000000)
ISLAND TYPE:
Laysan [1472]
Group: Archipelago: Hawaiian Islands
Country: United States - Hawaii Region: Oceania
Lat: 25.77º N Long : 171.73º W
Area: 4.0 sq. km Altitude: 15 m
Depth to nearest land: 4000 m
Nearest island: 220 km group: 2500 km
Nearest continent: North America Distance: 3200 km Isolation Index: 121
ISLAND TYPE: low coral Natural Protection Indicator: 4
ECOSYSTEMS: Number of Ecosystems - Terrestrial: 2 Marine: 2
Fringing coral reefs
Percent shoreline: Coral Reef: 99% Mangrove: 0%
Species Richness Indicator - Terrestrial: 0 Marine: 2
ENDEMISM: Terrestrial: Terrestrial Endemism Indicator - Island: 0 Group: 3
Marine endemic species: 0
Marine Endemism Indicator - Island: 0 Group: 1
SPECIAL FEATURES : Special Features Indicator - Terrestrial: 2 Marine: 1
seabird rookery, turtle nesting area, monk seal
INVASIVE SPECIES: Invasive Species Indicator: 5
tobacco, rabbits
HUMAN OCCUPATION: Uninhabited, visited occasionally
Population: 0 Density: 0.0 persons/sq. km
Conservation support: tenure, government support, legislation
PROTECTED AREAS: Protected Area Coverage Indicators - Terrestrial: 7 Marine: 0
Number: 1 Area: Terrestrial: 4.0 sq. km Marine: 0 sq. km
DATA RELIABILITY: Data Rel. Indicator: 2
HUMAN IMPACT INDEX HI: 5
CONSERVATION IMPORTANCE INDEX CI-Terrestrial: 9 Moderate
CI-Marine: 13 Moderate
Last updated: 28/07/90
Little Diomede [1700]
Group: Archipelago: Diomede Islands
Country: United States - Alaska Region: Bering Sea
Lat: 65.78º N Long : 169.00º W
Area: 0.0 sq. km Altitude: ? m
Depth to nearest land: < 50 m Island only isolated since last ice age
Nearest island: 6 km group: 35 km
Nearest continent: North America Distance: 35 km Isolation Index: 14
ISLAND TYPE: continental Natural Protection Indicator: 2
ECOSYSTEMS:
HUMAN OCCUPATION: Uninhabited, ?
Population: 0 Density: 0.0 persons/sq. km
CONSERVATION IMPORTANCE INDEX CI-Terrestrial: 2 Low
CI-Marine: 2 Low
Last updated: 11/02/89
Long [387]
Group: Archipelago: Alexander Archipelago
Country: United States - Alaska: Pacific
Lat: 54.87º NLong: 132.75º W
Area: 115.3 sq. km Altitude: 442 m Shoreline: 96.6 km (scale 1:1000000)
ISLAND TYPE:
Long [1970]
Group:
Country: United States - New York
Lat: 40.83º N Long : 73.00º W
Area: 0.0 sq. km Altitude: ? m
Depth to nearest land: < 50 m Island only isolated since last ice age
Nearest island: 1 km group: 1 km
Nearest continent: North America Distance: 1 km Isolation Index: 3
ISLAND TYPE: continental Natural Protection Indicator: 0
CLIMATE: temperate
ECOSYSTEMS:
HUMAN OCCUPATION: Inhabited, city of New York suburbs
Population: 0 Density: 0.0 persons/sq. km
Habitat: highly urbanized in part Urban Pop: 0 Urban Indicator: 0
Accessibility: port, airport
Last updated: 04/08/90
Lulu [1149]
Group: Archipelago: Alexander Archipelago
Country: United States - Alaska: Pacific
Lat: 55.48º NLong: 133.50º W
Area: 78.1 sq. km Altitude: 503 m Shoreline: 40.0 km (scale 1:1000000)
ISLAND TYPE:
Manhatten [1969]
Group:
Country: United States - New York
Lat: 40.78º N Long : 73.97º W
Area: 0.0 sq. km Altitude: ? m
Depth to nearest land: < 50 m Island only isolated since last ice age
ISLAND TYPE: continental
CLIMATE: temperate
ECOSYSTEMS:
Percent of land: Forested: 0% Developed: 99% Degraded: 0%
HUMAN OCCUPATION: Inhabited, city of New York
Population: 0 Density: 0.0 persons/sq. km
Habitat: highly urbanized Urban Pop: 0 Urban Indicator: 0
Accessibility: port
HUMAN IMPACT INDEX HI: 10
Last updated: 04/08/90
Marsh [1974]
Group:
Country: United States - Louisiana Region: Gulf of Mexico
Lat: 29.55º N Long : 91.87º W
Area: 0.0 sq. km Altitude: ? m
Depth to nearest land: <200 m Island only isolated since last ice age
Nearest island: 2 km group: 2 km
Nearest continent: North America Distance: 2 km Isolation Index: 4
ISLAND TYPE: continental Natural Protection Indicator: 0
ECOSYSTEMS:
HUMAN OCCUPATION: Inhabited
Population: 0 Density: 0.0 persons/sq. km
Last updated: 04/08/90
Martha's Vineyard [1972]
Group:
Country: United States - Massachusetts
Lat: 41.40º N Long : 70.63º W
Area: 0.0 sq. km Altitude: ? m
Depth to nearest land: < 50 m Island only isolated since last ice age
Nearest island: 4 km group: 5 km
Nearest continent: North America Distance: 5 km Isolation Index: 6
ISLAND TYPE: continental Natural Protection Indicator: 0
CLIMATE: temperate
ECOSYSTEMS:
HUMAN OCCUPATION: Inhabited
Population: 0 Density: 0.0 persons/sq. km
Accessibility: port
Last updated: 04/08/90
Matagorda [1977]
Group:
Country: United States - Texas Region: Gulf of Mexico
Lat: 28.22º N Long : 96.64º W
Area: 0.0 sq. km Altitude: ? m
Depth to nearest land: <200 m Island only isolated since last ice age
Nearest island: 1 km group: 3 km
Nearest continent: North America Distance: 3 km Isolation Index: 4
ISLAND TYPE: continental Natural Protection Indicator: 0
ECOSYSTEMS:
HUMAN OCCUPATION: Inhabited
Population: 0 Density: 0.0 persons/sq. km
Last updated: 04/08/90
Maui [449]
Group: Archipelago: Hawaiian Islands
Country: United States - Hawaii: Pacific
Lat: 20.75º NLong: 156.25º W
Area: 1903.3 sq. km Altitude: 3052 m Shoreline: 218.6 km (scale 1:1000000)
ISLAND TYPE: volcanic
Midway - including Eastern, Sand [1679]
Group: Midway Islands
Country: United States - Midway Islands
Lat: 28.20º N Long : 177.40º W
Area: 0.0 sq. km Altitude: ? m
Depth to nearest land: 4000 m
Nearest island: 100 km group: 2000 km
Nearest continent: Asia Distance: 3200 km Isolation Index: 111
ISLAND TYPE: atoll with 2 main islands Natural Protection Indicator: 0
CATASTROPHIC THREATS: cyclones
Threat Indicator: 1
ECOSYSTEMS:
Windward and leeward atoll reefs, patch reefs, lagoon
HUMAN OCCUPATION: Inhabited
Population: 0 Density: 0.0 persons/sq. km
Major Human Activities: military, naval base
Accessibility: port, airport
CONSERVATION IMPORTANCE INDEX CI-Terrestrial: 1 Low
CI-Marine: 4 Low
Last updated: 06/02/89
Mitkof [437]
Group: Archipelago: Alexander Archipelago
Country: United States - Alaska: Pacific
Lat: 56.65º NLong: 132.84º W
Area: 546.0 sq. km Altitude: 1011 m Shoreline: 141.3 km (scale 1:1000000)
ISLAND TYPE:
Molokai [440]
Group: Archipelago: Hawaiian Islands
Country: United States - Hawaii: Pacific
Lat: 21.15º NLong: 157.00º W
Area: 677.9 sq. km Altitude: 1515 m Shoreline: 154.1 km (scale 1:1000000)
ISLAND TYPE: volcanic
Montague [441]
Group:
Country: United States - Alaska: Pacific
Lat: 60.08º NLong: 147.36º W Region: Prince William Sound
Area: 722.3 sq. km Altitude: 913 m Shoreline: 283.4 km (scale 1:1000000)
ISLAND TYPE:
Nagai [424]
Group: Shumagin Islands, Archipelago: Aleutian Islands
Country: United States - Alaska: Pacific
Lat: 55.08º NLong: 160.00º W
Area: 310.1 sq. km Altitude: 561 m Shoreline: 234.9 km (scale 1:1000000)
ISLAND TYPE:
Nantucket - including Tuckernuck, Muskeget [1973]
Group:
Country: United States - Massachusetts
Lat: 41.28º N Long : 70. 8º W
Area: 0.0 sq. km Altitude: ? m
Depth to nearest land: < 50 m Island only isolated since last ice age
Nearest island: 10 km group: 16 km
Nearest continent: North America Distance: 16 km Isolation Index: 11
ISLAND TYPE: continental Natural Protection Indicator: 0
CLIMATE: temperate
ECOSYSTEMS:
HUMAN OCCUPATION: Inhabited
Population: 0 Density: 0.0 persons/sq. km
Accessibility: port
Last updated: 04/08/90
Navassa [1558]
Group: Archipelago: Greater Antilles
Country: United States - Navassa Island: Atlantic
Lat: 18.40º NLong: 75.03º W Region: Caribbean Sea
Area: 0.0 sq. km Altitude: ? m
ISLAND TYPE:
Nihoa [1476]
Group: Archipelago: Hawaiian Islands
Country: United States - Hawaii Region: Oceania
Lat: 23. 7º N Long : 161.92º W
Area: 0.8 sq. km Altitude: 277 m
Depth to nearest land: 4000 m
Nearest island: 200 km group: 2000 km
Nearest continent: North America Distance: 3600 km Isolation Index: 119
ISLAND TYPE: volcanic Natural Protection Indicator: 5
ECOSYSTEMS:
ENDEMISM: Terrestrial: Terrestrial Endemism Indicator - Island: 0 Group: 3
Marine endemic species: 0
Marine Endemism Indicator - Island: 0 Group: 1
SPECIAL FEATURES : Special Features Indicator - Terrestrial: 1 Marine: 0
seabird rookery
HUMAN OCCUPATION: Uninhabited, visited occasionally by scientists
Population: 0 Density: 0.0 persons/sq. km
Conservation support: tenure, government support, legislation
PROTECTED AREAS: Protected Area Coverage Indicators - Terrestrial: 7 Marine: 0
Number: 1 Area: Terrestrial: 0.8 sq. km Marine: 0 sq. km
DATA RELIABILITY: Data Rel. Indicator: 2
CONSERVATION IMPORTANCE INDEX CI-Terrestrial: 9 Moderate
CI-Marine: 8 Moderate
Last updated: 28/07/90
Niihau [410]
Group: Archipelago: Hawaiian Islands
Country: United States - Hawaii: Pacific
Lat: 21.90º NLong: 160.15º W
Area: 182.8 sq. km Altitude: 390 m Shoreline: 72.8 km (scale 1:1000000)
ISLAND TYPE: volcanic
Noyes [1155]
Group: Archipelago: Alexander Archipelago
Country: United States - Alaska: Pacific
Lat: 55.50º NLong: 133.67º W
Area: 96.8 sq. km Altitude: 777 m Shoreline: 64.4 km (scale 1:1000000)
ISLAND TYPE:
Nunivak [1697]
Group:
Country: United States - Alaska Region: Bering Sea
Lat: 60.00º N Long : 166.00º W
Area: 0.0 sq. km Altitude: 865 m
Depth to nearest land: <200 m Island only isolated since last ice age
Nearest island: 30 km group: 30 km
Nearest continent: North America Distance: 30 km Isolation Index: 16
ISLAND TYPE: continental Natural Protection Indicator: 0
ECOSYSTEMS:
HUMAN OCCUPATION: Inhabited
Population: 0 Density: 0.0 persons/sq. km
Last updated: 11/02/89
Oahu [446]
Group: Archipelago: Hawaiian Islands
Country: United States - Hawaii: Pacific
Lat: 21.50º NLong: 157.95º W
Area: 1583.3 sq. km Altitude: 1227 m Shoreline: 203.9 km (scale 1:1000000)
ISLAND TYPE: volcanic
Padre [1976]
Group:
Country: United States - Texas Region: Gulf of Mexico
Lat: 27.00º N Long : 97.63º W
Area: 0.0 sq. km Altitude: ? m
Depth to nearest land: <200 m Island only isolated since last ice age
Nearest island: 1 km group: 2 km
Nearest continent: North America Distance: 2 km Isolation Index: 4
ISLAND TYPE: continental Natural Protection Indicator: 0
ECOSYSTEMS:
HUMAN OCCUPATION: Inhabited
Population: 0 Density: 0.0 persons/sq. km
Conservation support: tenure, 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
Last updated: 04/08/90
Pearl and Hermes Reef - including South-East [1486]
Group: Archipelago: Hawaiian Islands
Country: United States - Hawaii Region: Oceania
Lat: 27.56º N Long : 176.10º W
Area: 0.0 sq. km Altitude: 3 m
Depth to nearest land: 3000 m
Nearest island: 170 km group: 2500 km
Nearest continent: North America Distance: 3000 km Isolation Index: 118
ISLAND TYPE: atoll with 6 islets Natural Protection Indicator: 2
ECOSYSTEMS:
Windward and leeward atoll reefs, lagoon
Percent shoreline: Coral Reef: 99% Mangrove: 0%
ENDEMISM: Terrestrial: Terrestrial Endemism Indicator - Island: 0 Group: 3
Marine endemic species: 0
Marine Endemism Indicator - Island: 0 Group: 0
SPECIAL FEATURES : Special Features Indicator - Terrestrial: 2 Marine: 1
seabird rookery, turtle nesting area, Hawaiian Monk Seal
HUMAN OCCUPATION: Uninhabited, visited occasionally by scientists
Population: 0 Density: 0.0 persons/sq. km
Conservation support: tenure, 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
DATA RELIABILITY: Data Rel. Indicator: 2
CONSERVATION IMPORTANCE INDEX CI-Terrestrial: 7 Moderate
CI-Marine: 5 Moderate
Last updated: 29/07/90
Pine [1150]
Group:
Country: United States - Florida Region: Gulf of Mexico
Lat: 26.53º N Long : 82.12º W
Area: 82.2 sq. km Altitude: ? m
Shoreline: 69.6 km (scale 1:1000000) Coastal Index: 0.8467
Depth to nearest land: <100 m Island only isolated since last ice age
Nearest island: 5 km group: 5 km
Nearest continent: North America Distance: 5 km Isolation Index: 7
ISLAND TYPE: Natural Protection Indicator: 0
ECOSYSTEMS:
HUMAN OCCUPATION: Inhabited
Population: 0 Density: 0.0 persons/sq. km
Last updated: 21/08/88
Point au Fer [1975]
Group:
Country: United States - Louisiana Region: Gulf of Mexico
Lat: 29.28º N Long : 91.83º W
Area: 0.0 sq. km Altitude: ? m
Depth to nearest land: <200 m Island only isolated since last ice age
Nearest island: 1 km group: 2 km
Nearest continent: North America Distance: 2 km Isolation Index: 4
ISLAND TYPE: continental Natural Protection Indicator: 0
ECOSYSTEMS:
HUMAN OCCUPATION: Inhabited
Population: 0 Density: 0.0 persons/sq. km
Last updated: 04/08/90
Popof [1154]
Group: Shumagin Islands Archipelago: Aleutian Islands
Country: United States - Alaska
Lat: 55.33º N Long : 160.38º W
Area: 95.4 sq. km Altitude: ? m
Shoreline: 54.7 km (scale 1:1000000) Coastal Index: 0.5734
Depth to nearest land: <200 m Island only isolated since last ice age
Nearest island: 3 km group: 15 km
Nearest continent: North America Distance: 15 km Isolation Index: 9
ISLAND TYPE: Natural Protection Indicator: 0
ECOSYSTEMS:
HUMAN OCCUPATION: Inhabited, ?
Population: 0 Density: 0.0 persons/sq. km
Last updated: 21/08/88
Prince of Wales [458]
Group: Archipelago: Alexander Archipelago
Country: United States - Alaska: Pacific
Lat: 55.50º NLong: 132.84º W
Area: 6675.1 sq. km Altitude: 1217 m Shoreline: 1634.9 km (scale 1:1000000)
ISLAND TYPE:
Raspberry [412]
Group: Archipelago: Kodiak Islands
Country: United States - Alaska: Pacific
Lat: 58.06º NLong: 153.08º W
Area: 200.4 sq. km Altitude: 747 m Shoreline: 93.2 km (scale 1:1000000)
ISLAND TYPE:
Revillagigedo [453]
Group: Archipelago: Alexander Archipelago
Country: United States - Alaska: Pacific
Lat: 55.58º NLong: 131.32º W
Area: 2965.1 sq. km Altitude: 1400 m Shoreline: 577.8 km (scale 1:1000000)
ISLAND TYPE:
San Clemente [397]
Group: Archipelago: California Channel Islands
Country: United States - California: Pacific
Lat: 32.92º NLong: 118.48º W
Area: 151.8 sq. km Altitude: 599 m Shoreline: 80.9 km (scale 1:1000000)
ISLAND TYPE: continental
San Fernando [1153]
Group: Archipelago: Alexander Archipelago
Country: United States - Alaska: Pacific
Lat: 55.50º NLong: 133.40º W
Area: 89.4 sq. km Altitude: ? m Shoreline: 47.5 km (scale 1:1000000)
ISLAND TYPE:
San Miguel [1141]
Group: Archipelago: California Channel Islands
Country: United States - California
Lat: 34.03º N Long : 120.37º W
Area: 40.7 sq. km Altitude: 262 m
Shoreline: 36.3 km (scale 1:1000000) Coastal Index: 0.8919
Depth to nearest land: >201 m
Nearest island: 5 km group: 42 km
Nearest continent: North America Distance: 42 km Isolation Index: 15
ISLAND TYPE: continental Natural Protection Indicator: 0
GEOLOGY/SOILS:
Tertiary rocks and Pleistocene terrace deposits, Eocene marine sediments
on
western part of island, Miocene volcanic rock on eastern side;
sedimentary
soils, caliche eolianite; sea temperature 10-16xC, mean 13xC
CLIMATE: dry temperate -1-38øC, mean 21øC
WATER BALANCE: variable from severe drought to wet years
CATASTROPHIC THREATS: drought, fire, oil spills
Threat Indicator: 3
ECOSYSTEMS: Number of Ecosystems - Terrestrial: 4 Marine: 2
Coastal dune, coastal bluff, coastal sage scrub, coastal salt marsh;
sandy
beach, rocky shore; sea temperature 10-16xC, mean 13xC
| SPECIES NUMBERS: |
Total |
Endemic |
Threatened (EVRI) |
| Plants |
263 |
0 |
0 |
| Butterflies |
0 |
0 |
0 |
| Land snails |
0 |
0 |
0 |
| Rept/Amphib |
3 |
0 |
0 |
| Land birds |
29 |
0 |
0 |
| Mammals |
2 |
0 |
1 |
SPECIES OF CONSERVATION INTEREST:
Plants:
263 species, including 12 group endemics
Reptiles/amphibians:
2 lizards
1 salamander
Birds:
29 species, 4 group endemics
Mammals:
2 native mammals
Urocyon littoralis (Island Fox) group endemic
(Deer Mouse) group endemic
SPECIES RICHNESS:
Species Richness Indicator - Terrestrial: 2 Marine: 3
moderate
ENDEMISM: Terrestrial: Terrestrial Endemism Indicator - Island: 0 Group: 2
18 group endemics
Marine endemic species: 0
Marine Endemism Indicator - Island: 0 Group: 0
SPECIAL FEATURES : Special Features Indicator - Terrestrial: 3 Marine: 0
seabird rookery, major pinniped rookery
Chumash archaeological sites; 6 species of breeding pinnipeds
INVASIVE SPECIES: Invasive Species Indicator: 2
introduced Rattus rattus (Black Rat), grasses
HUMAN OCCUPATION: Inhabited, park rangers and researchers
Population: 1 (1989) Density: 0.0 persons/sq. km
Growth Rate: 0.0%/yr Stable
Major Human Activities: national park
HUMAN IMPACTS:
Chumash indians arrived 10,000 years ago; sheep ranching
1850-1950; Navy bombing range 1950-1960; National Park
Conservation support: tenure, government and public support, legislation
PROTECTED AREAS: Protected Area Coverage Indicators - Terrestrial: 7 Marine: 0
Number: 1 Area: Terrestrial: 40.7 sq. km Marine: 190 sq. km
Channel Islands National Park (23,042 ha)
DATA RELIABILITY: good recent Data Rel. Indicator: 3
HUMAN IMPACT INDEX HI: 2
CONSERVATION IMPORTANCE INDEX CI-Terrestrial: 13 Moderate
CI-Marine: 10 Moderate
REFERENCES:
Channel Islands National Park. 1989. Data sheets for Anacapa, Santa
Barbara,
Santa Rosa, San Miguel.
Last updated: 14/05/89
San Nicholas [1142]
Group: Archipelago: California Channel Islands
Country: United States - California: Pacific
Lat: 33.25º NLong: 119.50º W
Area: 57.4 sq. km Altitude: 276 m Shoreline: 35.6 km (scale 1:1000000)
ISLAND TYPE: continental
Sanak [389]
Group: Archipelago: Aleutian Islands
Country: United States - Alaska
Lat: 54.45º N Long : 162.67º W
Area: 127.7 sq. km Altitude: 530 m
Shoreline: 70.7 km (scale 1:1000000) Coastal Index: 0.5536
Depth to nearest land: <200 m Island only isolated since last ice age
Nearest island: 20 km group: 50 km
Nearest continent: North America Distance: 50 km Isolation Index: 19
ISLAND TYPE: Natural Protection Indicator: 0
ECOSYSTEMS:
HUMAN OCCUPATION: Inhabited, ?
Population: 0 Density: 0.0 persons/sq. km
Last updated: 01/08/88
Santa Barbara [1691]
Group: Archipelago: California Channel Islands
Country: United States - California
Lat: 33.48º N Long : 119.03º W
Area: 2.6 sq. km Altitude: 191 m
Shoreline: 8.0 km (scale 1:) Coastal Index: 3.0769
Depth to nearest land: >501 m
Nearest island: 38 km group: 61 km
Nearest continent: North America Distance: 61 km Isolation Index: 22
ISLAND TYPE: continental Natural Protection Indicator: 0
GEOLOGY/SOILS:
Cenezoic underwater volcanics 24-38 million years old, uplifted,
submerged
during Pliocene and early Pleistocene; soil of silt and clay; ocean
temperature 11-21xC, mean 18xC
CLIMATE: dry temperate 4-36øC, mean 16øC, 300 mm
WATER BALANCE: dry
CATASTROPHIC THREATS: fire, oil spills
Threat Indicator: 2
ECOSYSTEMS: Number of Ecosystems - Terrestrial: 5 Marine: 1
Grasslands (alien dominated), coastal bluffs, three scrub/
shrub communities; rocky shores
| SPECIES NUMBERS: |
Total |
Endemic |
Threatened (EVRI) |
| Plants |
116 |
3 |
3 |
| Butterflies |
0 |
0 |
0 |
| Land snails |
0 |
0 |
0 |
| Rept/Amphib |
1 |
1 |
0 |
| Land birds |
14 |
0 |
1 |
| Mammals |
1 |
0 |
0 |
SPECIES OF CONSERVATION INTEREST:
Plants:
116 plant species, 3 endemic, 14 group endemics
Eriogonum giganteum compactum (Buckwheat) endemic, rare
Dudleya traskiae (Santa Barbara Live Forever) endemic, endangered
Platystemon californicus (Poppy) endemic
Malacothrix philbrickii (Marsh Mallow) endemic
Astralagus traskiae, rare
Reptiles/amphibians:
1 reptile
Xantusia riversiana (Santa Barbara Night Lizard) endemic, threatened
Birds:
14 nesting land bird species, 3 group endemics
11 nesting seabirds
Mammals:
1 land mammal (Deer Mouse) group endemic
major rookery for California Sea Lion
Elephant Seal breeding
SPECIES RICHNESS:
Species Richness Indicator - Terrestrial: 1 Marine: 3
poor
ENDEMISM: Terrestrial: Terrestrial Endemism Indicator - Island: 1 Group: 2
3 plants, 1 reptile
Marine endemic species: 0
Marine Endemism Indicator - Island: 0 Group: 0
SPECIAL FEATURES : Special Features Indicator - Terrestrial: 2 Marine: 0
seabird rookery sea lion/seal rookery
INVASIVE SPECIES: Invasive Species Indicator: 4
60% of vegetation is alien grasses
Mesembryanthemum crystallinum (Crystalline Iceplant) spreading
HUMAN OCCUPATION: Inhabited, park ranger
Population: 1 (1989) Density: 0.4 persons/sq. km
Growth Rate: 0.0%/yr Stable
Major Human Activities: national park
HUMAN IMPACTS:
Visited by Gabrielino indians and itinerant fishermen, colonized by
ranching
family in early 1900s; small number of researcher and visitors
Conservation support: tenure, government & public support, legislation
PROTECTED AREAS: Protected Area Coverage Indicators - Terrestrial: 7 Marine: 0
Number: 1 Area: Terrestrial: 2.6 sq. km Marine: 13 sq. km
Channel Islands National Park (1,611 ha)
DATA RELIABILITY: recent Data Rel. Indicator: 3
HUMAN IMPACT INDEX HI: 4
CONSERVATION IMPORTANCE INDEX CI-Terrestrial: 11 Moderate
CI-Marine: 9 Moderate
REFERENCES:
Channel Islands National Park. 1989. Data sheets for Anacapa, Santa
Barbara,
Santa Rosa, San Miguel.
Last updated: 07/05/89
Santa Catalina [411]
Group: Archipelago: California Channel Islands
Country: United States - California: Pacific
Lat: 33.39º NLong: 118.43º W
Area: 193.2 sq. km Altitude: 648 m Shoreline: 83.7 km (scale 1:1000000)
ISLAND TYPE: continental
Santa Cruz [419]
Group: Archipelago: California Channel Islands
Country: United States - California
Lat: 34.00º N Long : 119.74º W
Area: 255.7 sq. km Altitude: 753 m
Shoreline: 98.0 km (scale 1:1000000) Coastal Index: 0.3833
Depth to nearest land: >201 m
Nearest island: 7 km group: 30 km
Nearest continent: North America Distance: 30 km Isolation Index: 14
ISLAND TYPE: continental Natural Protection Indicator: 0
GEOLOGY/SOILS:
Two mountain ranges with complex continental structure of
metamorphic, igneous and sedimentary rocks, major earthquake
faults
CLIMATE: dry temperate
CATASTROPHIC THREATS: drought, fire, earthquakes, oil spills
Threat Indicator: 4
ECOSYSTEMS: Number of Ecosystems - Terrestrial: 10 Marine: 3
Pine forest, woodland, grassland, chaparral scrub, coastal sage;
riparian
marsh, streams and springs; sea cliffs, dunes, coastal beaches, rocky
shores
| SPECIES NUMBERS: |
Total |
Endemic |
Threatened (EVRI) |
| Plants |
420 |
8 |
19 |
| Butterflies |
0 |
0 |
0 |
| Land snails |
0 |
0 |
0 |
| Rept/Amphib |
0 |
0 |
0 |
| Land birds |
130 |
1 |
0 |
| Mammals |
13 |
2 |
0 |
SPECIES OF CONSERVATION INTEREST:
Plants:
600 species, 420 native, including 40 group endemics, 8 island
endemics
Mimulus brandegei (Santa Cruz Island Monkey Flower) endemic, presumed
extinct (last collected 1932)
Sibara filifolia (Santa Cruz Island Rock Cress) endemic, presumed
extinct
Aphanisma blitoides, endangered
Arabis hoffmannii (Hoffmann's Rock Cress) endemic, presumed extinct
Castilleja hololeuca (White-felted Paint Brush) endangered
Dudleya candelabrum (Candle Holder Dudleya) endangered
Dudleya nesiotica (Santa Cruz Island Dudleya) endemic, endangered
Galium buxifolium (Island Bedstraw) endangered
Helianthemum greenei (Island Rock Rose) endangered
Heuchera maxima (Island Alum Root) endangered
Lotus argophyllus niveus (Santa Cruz Island Bird's Foot Trefoil)
endemic,
endangered
Lyonothamnus floribundus asplenifolius, endangered
Mahonia pinnata insularis (Island Barberry) endangered
Malacothamnus fasiculatus nesioticus (Santa Cruz Island Bush Mallow)
endemic, endangered
Orobanche parishii brachyloba (Short-lobed Broomrape) endangered
Quercus tomentella (Island Oak) endangered
Sanicula hoffmannii (Hoffmann's Sanicle) endangered
Thysanocarpus conchuliferus (Santa Cruz Island Fringe Pod) endangered
Eschscholzia ramosa (Island Poppy) endangered
Malacothrix indecora, endangered
Malacothrix squalida, endangered
Arctostaphylos tomentosa subcordata (Santa Cruz Island Manzanita)
endemic
Arctostaphylos viridissima (White-haired Manzanita) endemic
Reptiles/Amphibians:
8 native species, 3 group endemic subspecies
Birds:
130 species of land birds, including 40 native species breeding
locally
8 group endemic subspecies shared with some other Channel Islands
Aphelocoma coerulescens insularis (Santa Cruz Island Scrub Jay)
endemic
Mammals:
13 terrestrial mammals
Reithrodontomys megalotis santacruzae (Harvest Mouse) endemic
subspecies
Peromyscus maniculatus santacruzae (Deer Mouse) endemic subspecies
Urocyon littoralis santacruzae (Island Fox) endemic subspecies
Spilogale gracilis amphialis (Spotted Skunk) group endemic subspecies,
Santa
Cruz and Santa Rosa
Species Richness Indicator - Terrestrial: 5 Marine: 4
ENDEMISM: Terrestrial: Terrestrial Endemism Indicator - Island: 2 Group: 3
good
Marine endemic species: 0
Marine Endemism Indicator - Island: 0 Group: 0
SPECIAL FEATURES : Special Features Indicator - Terrestrial: 1 Marine: 0
seabird rookery
INVASIVE SPECIES: Invasive Species Indicator: 3
sheep,cattle, horses, pigs, dogs
HUMAN OCCUPATION: Inhabited, formerly inhabited, few staff left
Population: 6 (1989) Density: 0.0 persons/sq. km
Growth Rate: 0.0%/yr Stable
Major Human Activities: ranching/sport hunting, research/education, tourism
HUMAN IMPACTS:
Occupied before 5500 BC, about 3,000 archaeological sites; population of
Chumash indians estimated at 2,000-3,000 in 1542, last indians removed
to
missions in 1814; 19th century colonization with orchards, vinyards and
cattle; only sheep ranching continuing at present, mainly for sport
hunting;
serious overgrazing on 10% of island; University of California research
facilities
Conservation support: tenure, government & public support, legislation
PROTECTED AREAS: Protected Area Coverage Indicators - Terrestrial: 7 Marine: 0
Number: 1 Area: Terrestrial: 255.7 sq. km Marine: 0 sq. km
Part of Channel Islands National Park
Channel Islands National Marine Sanctuary
90% of island is Santa Cruz Island Preserve of the Nature Conservancy
DATA RELIABILITY: good recent Data Rel. Indicator: 3
HUMAN IMPACT INDEX HI: 3
CONSERVATION IMPORTANCE INDEX CI-Terrestrial: 26 Very high
CI-Marine: 14 Moderate
REFERENCES:
Last updated: 14/05/89
Santa Rosa [413]
Group: Archipelago: California Channel Islands
Country: United States - California
Lat: 33.95º N Long : 120.10º W
Area: 209.0 sq. km Altitude: 484 m
Shoreline: 69.5 km (scale 1:1000000) Coastal Index: 0.3325
Depth to nearest land: >201 m
Nearest island: 5 km group: 48 km
Nearest continent: North America Distance: 48 km Isolation Index: 16
ISLAND TYPE: continental Natural Protection Indicator: 0
GEOLOGY/SOILS:
An uplifted sedimentary/volcanic block deformed by folding and faulting;
large
area of Tertiary sandstones, siltstones, shales and volcanics covered
with
Quaternary deposits; older Cretaceous rocks on south side; sedimentary
soils;
sea temperature 10-16xC, mean 13xC
CLIMATE: dry temperate air -4-39øC, mean 16ø, 3750 mm
WATER BALANCE: variable from extreme drought to very wet years
CATASTROPHIC THREATS: drought, fires, oil spills
Threat Indicator: 3
ECOSYSTEMS: Number of Ecosystems - Terrestrial: 9 Marine: 2
Alien-dominated grasslands on 50% of island, coastal bluff, coastal sage
scrub, chaparral (scrub), woodlands, pine forests, riparian, freshwater
marshes, beach dunes, rocky shores Forest
Percent of land: Forested: -9% Developed: 50% Degraded: 0%
| SPECIES NUMBERS: |
Total |
Endemic |
Threatened (EVRI) |
| Plants |
490 |
4 |
13 |
| Butterflies |
0 |
0 |
0 |
| Land snails |
0 |
0 |
0 |
| Rept/Amphib |
5 |
0 |
0 |
| Land birds |
35 |
0 |
0 |
| Mammals |
3 |
0 |
2 |
SPECIES OF CONSERVATION INTEREST:
Plants:
490 species, including 4 endemics, 36 group endemics
Dudleya blochmanae insularis (Live-forever) endemic
Arctostaphylos confertiflora (Manzanita) endemic
Gilia tenuiflora hoffmannii (Gilia) endemic
Pinus torreyana insularia (Torrey Pine) endemic, rare
12 other rare or endangered species
Reptiles/amphibians:
3 reptiles including 1 snake
2 amphibians
Birds:
33 nesting bird species plus many migratory species
10 group endemics
Mammals:
3 native, 5 introduced
Urocyon littoralis (Island Fox) group endemic, rare
Spilogale gracilis (Spotted Skunk) group endemic, rare
(Deer Mouse) group endemic
SPECIES RICHNESS:
Species Richness Indicator - Terrestrial: 2 Marine: 3
moderate
ENDEMISM: Terrestrial: Terrestrial Endemism Indicator - Island: 1 Group: 3
4 island and 49 group endemics
Marine endemic species: 0
Marine Endemism Indicator - Island: 0 Group: 0
SPECIAL FEATURES : Special Features Indicator - Terrestrial: 2 Marine: 0
seals
Chumash archaeological sites
INVASIVE SPECIES: Invasive Species Indicator: 3
feral animals causing erosion
Alien grasses; feral pigs, cattle, horses; introduced elk, mule deer
HUMAN OCCUPATION: Inhabited, ranch hands, park rangers, researchers
Population: 14 (1989) Density: 0.1 persons/sq. km
Growth Rate: 0.0%/yr Stable
Major Human Activities: cattle ranching, national park
HUMAN IMPACTS:
Populated by Chumash indians about 10,000 years ago; visited since late
1700's
by itinerant fishermen and seal hunters; ranching families since 1842;
active
cattle ranch with 6400 head of cattle, 10-20 horses and 6-10 ranch
hands;
historic World War II buildings, risk of oil spills from passing tankers
in
Santa Barbara Channel
Percent population in agr/mining/fishing: 70% Human Threat Indicator: 2
Conservation support: government and public support, legislation
PROTECTED AREAS: Protected Area Coverage Indicators - Terrestrial: 7 Marine: 0
Number: 1 Area: Terrestrial: 209.0 sq. km Marine: 1086 sq. km
Channel Islands National Park (130,454 ha)
DATA RELIABILITY: good recent Data Rel. Indicator: 3
HUMAN IMPACT INDEX HI: 10
CONSERVATION IMPORTANCE INDEX CI-Terrestrial: 18 High
CI-Marine: 10 Moderate
REFERENCES:
Channel Islands National Park. 1989. Data sheets for Anacapa, Santa
Barbara,
Santa Rosa, San Miguel.
Last updated: 14/05/89
Sedanka [382]
Group: Fox Islands, Archipelago: Aleutian Islands
Country: United States - Alaska: Pacific
Lat: 53.79º NLong: 166.20º W
Area: 103.3 sq. km Altitude: 649 m Shoreline: 68.1 km (scale 1:1000000)
ISLAND TYPE:
Seguam [416]
Group: Andreanof Islands, Archipelago: Aleutian Islands
Country: United States - Alaska: Pacific
Lat: 52.32º NLong: 172.47º W
Area: 215.0 sq. km Altitude: 1051 m Shoreline: 65.4 km (scale 1:1000000)
ISLAND TYPE: active volcano
Semisopochnoi [417]
Group: Rat Islands, Archipelago: Aleutian Islands
Country: United States - Alaska: Pacific
Lat: 51.96º NLong: 179.13º W
Area: 224.1 sq. km Altitude: 1220 m Shoreline: 67.0 km (scale 1:1000000)
ISLAND TYPE: volcanic
Shuyak [404]
Group: Archipelago: Kodiak Islands
Country: United States - Alaska: Pacific
Lat: 58.54º NLong: 152.48º W
Area: 168.3 sq. km Altitude: 201 m Shoreline: 107.3 km (scale 1:1000000)
ISLAND TYPE:
Sitkalidak [423]
Group: Archipelago: Kodiak Islands
Country: United States - Alaska: Pacific
Lat: 57.16º NLong: 153.16º W
Area: 308.9 sq. km Altitude: 552 m Shoreline: 165.1 km (scale 1:1000000)
ISLAND TYPE:
Sitkinak [405]
Group: Trinity Islands, Archipelago: Kodiak Islands
Country: United States - Alaska: Pacific
Lat: 56.55º NLong: 154.10º W
Area: 169.1 sq. km Altitude: 488 m Shoreline: 63.0 km (scale 1:1000000)
ISLAND TYPE:
St George [1699]
Group: Archipelago: Pribilof Islands
Country: United States - Alaska: Pacific
Lat: 56.55º NLong: 169.60º W Region: Bering Sea
Area: 0.0 sq. km Altitude: ? m
ISLAND TYPE: continental
St Lawrence (Saint Lawrence) - including Punuk Islands [456]
Group:
Country: United States - Alaska Region: Bering Sea
Lat: 63.30º N Long : 169.15º W
Area: 5134.9 sq. km Altitude: 672 m
Shoreline: 616.2 km (scale 1:2500000) Coastal Index: 0.1200
Depth to nearest land: < 50 m Island only isolated since last ice age
Nearest island: 75 km group: 75 km
Nearest continent: Asia Distance: 75 km Isolation Index: 26
ISLAND TYPE: volcanic Natural Protection Indicator: 0
ECOSYSTEMS:
SPECIAL FEATURES : Special Features Indicator - Terrestrial: 1 Marine: 0
walrus
major walrus colony on Punuk Islands
HUMAN OCCUPATION: Inhabited
Population: 0 Density: 0.0 persons/sq. km
CONSERVATION IMPORTANCE INDEX CI-Terrestrial: 1 Low
CI-Marine: 0 Low
Last updated: 02/08/88
St Matthew - including Hall, Pinnacle [427]
Group:
Country: United States - Alaska Region: Bering Sea
Lat: 60.45º N Long : 172.70º W
Area: 353.7 sq. km Altitude: 459 m
Shoreline: 143.2 km (scale 1:2500000) Coastal Index: 0.4049
Depth to nearest land: <100 m Island only isolated since last ice age
Nearest island: 250 km group: 350 km
Nearest continent: North America Distance: 350 km Isolation Index: 53
ISLAND TYPE: Natural Protection Indicator: 0
ECOSYSTEMS:
HUMAN OCCUPATION: Inhabited, ?
Population: 0 Density: 0.0 persons/sq. km
Last updated: 01/08/88
St Paul [1698]
- including Otter, Walrus
Group: Archipelago: Pribilof Islands
Country: United States - Alaska: Pacific
Lat: 57.18º NLong: 170.26º W Region: Bering Sea
Area: 0.0 sq. km Altitude: ? m
ISLAND TYPE: continental
Staten [1971]
Group:
Country: United States - New York
Lat: 40.58º N Long : 74.17º W
Area: 0.0 sq. km Altitude: ? m
Depth to nearest land: < 50 m Island only isolated since last ice age
ISLAND TYPE: continental
CLIMATE: temperate
ECOSYSTEMS:
Percent of land: Forested: 0% Developed: 99% Degraded: 0%
HUMAN OCCUPATION: Inhabited, city of New York suburbs
Population: 0 Density: 0.0 persons/sq. km
Habitat: highly urbanized Urban Pop: 0 Urban Indicator: 0
Accessibility: port
HUMAN IMPACT INDEX HI: 10
Last updated: 04/08/90
Stuart [392]
Group:
Country: United States - Alaska Region: Bering Strait
Lat: 63.58º N Long : 162.50º W
Area: 144.8 sq. km Altitude: 146 m
Shoreline: 66.6 km (scale 1:1000000) Coastal Index: 0.4599
Depth to nearest land: <200 m Island only isolated since last ice age
Nearest island: 5 km group: 5 km
Nearest continent: North America Distance: 5 km Isolation Index: 7
ISLAND TYPE: Natural Protection Indicator: 0
ECOSYSTEMS:
HUMAN OCCUPATION: Inhabited, ?
Population: 0 Density: 0.0 persons/sq. km
Last updated: 01/08/88
Suemez [398]
Group: Archipelago: Alexander Archipelago
Country: United States - Alaska: Pacific
Lat: 55.25º NLong: 133.34º W
Area: 153.1 sq. km Altitude: 654 m Shoreline: 78.4 km (scale 1:1000000)
ISLAND TYPE:
Sukkwan [401]
Group: Archipelago: Alexander Archipelago
Country: United States - Alaska: Pacific
Lat: 55.08º NLong: 132.75º W
Area: 166.9 sq. km Altitude: 658 m Shoreline: 86.9 km (scale 1:1000000)
ISLAND TYPE:
Sutwik [1152]
Group: Archipelago: Aleutian Islands
Country: United States - Alaska
Lat: 56.55º N Long : 157.15º W
Area: 86.8 sq. km Altitude: 294 m
Shoreline: 57.7 km (scale 1:1000000) Coastal Index: 0.6647
Depth to nearest land: <200 m Island only isolated since last ice age
Nearest island: 10 km group: 10 km
Nearest continent: North America Distance: 10 km Isolation Index: 9
ISLAND TYPE: Natural Protection Indicator: 0
ECOSYSTEMS:
HUMAN OCCUPATION: Inhabited, ?
Population: 0 Density: 0.0 persons/sq. km
Last updated: 21/08/88
Tanaga [436]
Group: Andreanof Islands, Archipelago: Aleutian Islands
Country: United States - Alaska: Pacific
Lat: 51.28º NLong: 178.08º W
Area: 528.5 sq. km Altitude: 1804 m Shoreline: 188.6 km (scale 1:1000000)
ISLAND TYPE: Volcanic
Tugidak [408]
Group: Trinity Islands, Archipelago: Kodiak Islands
Country: United States - Alaska: Pacific
Lat: 56.50º NLong: 154.58º W
Area: 179.9 sq. km Altitude: ? m Shoreline: 102.5 km (scale 1:1000000)
ISLAND TYPE:
Uganik [393]
Group:
Country: United States - Alaska: Pacific
Lat: 57.86º NLong: 153.35º W
Area: 146.7 sq. km Altitude: 152 m Shoreline: 74.0 km (scale 1:1000000)
ISLAND TYPE:
Umnak [447]
Group: Fox Islands Archipelago: Aleutian Islands
Country: United States - Alaska
Lat: 53.23º N Long : 168.34º W
Area: 1793.2 sq. km Altitude: 2162 m
Shoreline: 330.2 km (scale 1:1000000) Coastal Index: 0.1841
Depth to nearest land: <200 m Island only isolated since last ice age
Nearest island: 10 km group: 250 km
Nearest continent: North America Distance: 300 km Isolation Index: 36
ISLAND TYPE: active volcanic Natural Protection Indicator: 0
ECOSYSTEMS:
HUMAN OCCUPATION: Inhabited
Population: 0 Density: 0.0 persons/sq. km
Last updated: 02/08/88
Unalaska [451]
Group: Fox Islands Archipelago: Aleutian Islands
Country: United States - Alaska
Lat: 53.62º N Long : 166.88º W
Area: 2722.1 sq. km Altitude: 1140 m
Shoreline: 836.5 km (scale 1:1000000) Coastal Index: 0.3073
Depth to nearest land: <100 m Island only isolated since last ice age
Nearest island: 10 km group: 250 km
Nearest continent: North America Distance: 300 km Isolation Index: 36
ISLAND TYPE: Natural Protection Indicator: 0
ECOSYSTEMS:
HUMAN OCCUPATION: Inhabited
Population: 0 Density: 0.0 persons/sq. km
Last updated: 02/08/88
Unga [435]
Group: Shumagin Islands Archipelago: Aleutian Islands
Country: United States - Alaska
Lat: 55.27º N Long : 160.67º W
Area: 461.3 sq. km Altitude: 696 m
Shoreline: 179.2 km (scale 1:1000000) Coastal Index: 0.3885
Depth to nearest land: <200 m Island only isolated since last ice age
Nearest island: 3 km group: 5 km
Nearest continent: North America Distance: 5 km Isolation Index: 6
ISLAND TYPE: Natural Protection Indicator: 0
ECOSYSTEMS:
HUMAN OCCUPATION: Inhabited, ?
Population: 0 Density: 0.0 persons/sq. km
Last updated: 02/08/88
Unimak [455]
Group: Archipelago: Aleutian Islands
Country: United States - Alaska
Lat: 54.82º N Long : 164.00º W
Area: 4118.6 sq. km Altitude: 2858 m
Shoreline: 419.8 km (scale 1:1000000) Coastal Index: 0.1019
Depth to nearest land: <100 m Island only isolated since last ice age
Nearest island: 5 km group: 5 km
Nearest continent: North America Distance: 5 km Isolation Index: 7
ISLAND TYPE: active volcanic Natural Protection Indicator: 0
ECOSYSTEMS:
HUMAN OCCUPATION: Inhabited, ?
Population: 0 Density: 0.0 persons/sq. km
Last updated: 02/08/88
Wake (Enenkio) - including Wake, Wilkes, Peale [1677]
Group:
Country: United States - Wake Island Region: North Pacific
Lat: 19.30º N Long : 166.58º E
Area: 0.0 sq. km Altitude: ? m
Depth to nearest land: 5000 m
Nearest island: 550 km group: 900 km
Nearest continent: Asia Distance: 3500 km Isolation Index: 113
ISLAND TYPE: atoll Natural Protection Indicator: 0
CATASTROPHIC THREATS: cyclones
Threat Indicator: 1
ECOSYSTEMS:
Windward and leeward atoll reefs, lagoon
Percent shoreline: Coral Reef: 99% Mangrove: 0%
HUMAN OCCUPATION: Inhabited
Population: 0 Density: 0.0 persons/sq. km
Major Human Activities: military (naval air base)
Accessibility: port, airport
DATA RELIABILITY: Data Rel. Indicator: 1
CONSERVATION IMPORTANCE INDEX CI-Terrestrial: 1 Low
CI-Marine: 3 Low
Last updated: 06/02/89
Wrangell [438]
Group: Archipelago: Alexander Archipelago
Country: United States - Alaska: Pacific
Lat: 56.48º NLong: 132.15º W
Area: 559.9 sq. km Altitude: 991 m Shoreline: 146.8 km (scale 1:1000000)
ISLAND TYPE:
Yakobi [414]
Group: Archipelago: Alexander Archipelago
Country: United States - Alaska: Pacific
Lat: 57.96º NLong: 136.47º W
Area: 212.4 sq. km Altitude: 869 m Shoreline: 97.7 km (scale 1:1000000)
ISLAND TYPE:
Yunaska [406]
Group: Islands of the Four Mountains, Archipelago: Aleutian Islands
Country: United States - Alaska: Pacific
Lat: 52.65º NLong: 170.70º W
Area: 172.4 sq. km Altitude: 950 m Shoreline: 66.3 km (scale 1:1000000)
ISLAND TYPE: active volcano
Zarembo [168]
Group: Archipelago: Alexander Archipelago
Country: United States - Alaska: Pacific
Lat: 56.35º NLong: 132.84º W
Area: 478.3 sq. km Altitude: 776 m Shoreline: 99.3 km (scale 1:1000000)
ISLAND TYPE:
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Page last updated: 09/05/10