UN SYSTEM-WIDE EARTHWATCH Web Site
ISLAND DIRECTORY


Islands of Wallis and Futuna (France)

Alofi     [1171]
   Group: Horne Islands   Archipelago: Wallis and Futuna
   Country: France - Wallis and Futuna   Region: Oceania 9
Lat: 14.45º S   Long : 178.08º
Area: 32.0 sq. km   Altitude: 366 m
Shoreline: 25.4 km (scale 1:1000000)   Coastal Index: 0.7937
Depth to nearest land: 3000 m
Nearest island: 5 km   group: 260 km
Nearest continent: Australia    Distance: 3200 km    Isolation Index: 75
ISLAND TYPE: high volcanic, raised coral      Natural Protection Indicator: 2
CLIMATE:   tropical 
CATASTROPHIC THREATS: cyclones
   Threat Indicator: 1
ECOSYSTEMS:           Number of Ecosystems - Terrestrial: 2    Marine: 2
Lowland rain forest; fringing reef
SPECIES RICHNESS:   Species Richness Indicator - Terrestrial: 2  Marine: 0
moderate
ENDEMISM: Terrestrial:   Terrestrial Endemism Indicator - Island: 0  Group: 2
  Marine endemic species: 0   Marine Endemism Indicator - Island: 0  Group: 0
SPECIAL FEATURES :   Special Features Indicator - Terrestrial: 1   Marine: 0
  one of the least disturbed high islands in Polynesia
HUMAN OCCUPATION: Uninhabited, may have been recently occupied
  Population: 0    Density: 0.0 persons/sq. km
  Major Human Activities: subsistence agriculture, logging
  Percent population in agr/mining/fishing: 78%   Human Threat Indicator: 3
  Gross Domestic Product: $ 926 per capita    Economic Pressure Indicator: 0
DATA RELIABILITY: recent but partial    Data Rel. Indicator: 2
HUMAN IMPACT INDEX     HI: 3
CONSERVATION IMPORTANCE INDEX   CI-Terrestrial: 10   Moderate
CI-Marine: 4   Low
Last updated: 04/12/88

Futuna (Hoorn)    [1172]
   Group: Horne Islands   Archipelago: Wallis and Futuna
   Country: France - Wallis and Futuna   Region: Oceania 9
Lat: 14.42º S   Long : 178.33º W
Area: 62.3 sq. km   Altitude: 765 m
Shoreline: 45.1 km (scale 1:125000)   Coastal Index: 0.7239
Depth to nearest land: 3000 m
Nearest island: 300 km   group: 260 km
Nearest continent: Australia    Distance: 3200 km    Isolation Index: 90
ISLAND TYPE: high volcanic      Natural Protection Indicator: 0
GEOLOGY/SOILS:
Deeply dissected high volcanic island with many streams
CLIMATE:   tropical 
CATASTROPHIC THREATS: cyclones
   Threat Indicator: 1
ECOSYSTEMS:           Number of Ecosystems - Terrestrial: 6    Marine: 2
Wooded valleys; fernland and Casuarina on ridges; grasslands at 450-600 m; montane rain forest above 400 m (about 30% of the island is forested); fringing reefs up to 100 m wide (CRD)
SPECIES NUMBERS: Total Endemic Threatened (EVRI)
Plants  0 3 1
Butterflies 0 0 0
Land snails 0 0 0
Rept/Amphib 0 0 0
Land birds 0 3 0
Mammals 0 0 0

SPECIES OF CONSERVATION INTEREST:
Plants: 3 endemic species Acronychia retusa, endemic to Futuna and Samoa, threatened Other invertebrates: 1 Partulidae (land snail) Birds: 5 endemic subspecies, 2 shared with Alofi (White-collored Kingfisher) endemic subspecies (Polynesian Triller) endemic subspecies (Fiji Shrikebill) endemic subspecies
SPECIES RICHNESS:   Species Richness Indicator - Terrestrial: 2  Marine: 0
moderate
ENDEMISM: Terrestrial:   Terrestrial Endemism Indicator - Island: 2  Group: 2
    3 plants, 3 birds
  Marine endemic species: 0   Marine Endemism Indicator - Island: 0  Group: 0
HUMAN OCCUPATION: Inhabited, rapid growth
  Population: 4324 (1983)   Density: 69.4 persons/sq. km
  Growth Rate: 4.0%/yr   Increasing rapidly
  Major Human Activities: subsistence agriculture
HUMAN IMPACTS:
Growing population pressure on limited resources; overfishing, soil erosion
  Accessibility: airport
  Percent population in agr/mining/fishing: 78%   Human Threat Indicator: 3
  Gross Domestic Product: $ 926 per capita    Economic Pressure Indicator: 0
DATA RELIABILITY: partial    Data Rel. Indicator: 2
HUMAN IMPACT INDEX     HI: 7
CONSERVATION IMPORTANCE INDEX   CI-Terrestrial: 10   Moderate
CI-Marine: 2   Low
REFERENCES:

Last updated: 04/12/88

Uvea     [1173]
   Group: Wallis Islands   Archipelago: Wallis and Futuna
   Country: France - Wallis and Futuna   Region: Oceania 9
Lat: 13.37º S   Long : 176.20º W
Area: 82.4 sq. km   Altitude: 145 m
Shoreline: 44.2 km (scale 1:1000000)   Coastal Index: 0.5364
Depth to nearest land: 3000 m
Nearest island: 300 km   group: 400 km
Nearest continent: Australia    Distance: 3500 km    Isolation Index: 96
ISLAND TYPE: volcanic      Natural Protection Indicator: 0
GEOLOGY/SOILS:
Relatively flat volcanic island within lagoon and barrier reef, 18 low coral or small volcanic islets
CLIMATE:   tropical 
CATASTROPHIC THREATS: cyclones
   Threat Indicator: 1
ECOSYSTEMS:           Number of Ecosystems - Terrestrial: 7    Marine: 4
Pockets of lowland rain forest (15% of island in 1983); some secondary forest and scrub, grasslands, fernlands, Casuarina and Pandanus; crater lake; fringing reef; lagoon rich in algae; barrier reef
SPECIES OF CONSERVATION INTEREST:

SPECIES RICHNESS:   Species Richness Indicator - Terrestrial: 2  Marine: 0
moderate
ENDEMISM: Terrestrial:   Terrestrial Endemism Indicator - Island: 0  Group: 1
  Marine endemic species: 0   Marine Endemism Indicator - Island: 0  Group: 0
SPECIAL FEATURES :   Special Features Indicator - Terrestrial: 1   Marine: 0
  crater lake
HUMAN OCCUPATION: Inhabited, administrative centre
  Population: 8084 (1983)   Density: 98.1 persons/sq. km
  Growth Rate: 4.0%/yr   Increasing rapidly
  Major Human Activities: subsistence agriculture, government
HUMAN IMPACTS:
Centre of government; great pressure on land and resources from rapid population growth and returning migrants, most land cleared for subsistence agriculture
  Accessibility: airport
  Percent population in agr/mining/fishing: 78%   Human Threat Indicator: 3
  Gross Domestic Product: $ 926 per capita    Economic Pressure Indicator: 0
DATA RELIABILITY: partial    Data Rel. Indicator: 2
HUMAN IMPACT INDEX     HI: 9
CONSERVATION IMPORTANCE INDEX   CI-Terrestrial: 8   Moderate
CI-Marine: 4   Low
REFERENCES:

Last updated: 04/12/88

Return to Island Directory Home Page
Return to Earthwatch Home Page

NOTE: For an explanation of each field, click on the colon (:)
Page last updated: 02/03/98