Year of most recent IBA criteria assessment: 2008
Populations of IBA trigger speciesSpecies | Current IUCN Red List Category | Season | Year(s) of estimate | Population estimate | IBA Criteria Triggered |
---|---|---|---|---|---|
Micronesian Scrubfowl Megapodius laperouse | NT | resident | 2005 | present | A1, A2 |
Palau Ground-dove Pampusana canifrons | EN | resident | 2005 | present | A2 |
Micronesian Imperial-pigeon Ducula oceanica | VU | resident | 2005 | present | A2 |
Palau Fruit-dove Ptilinopus pelewensis | LC | resident | 2005 | present | A2 |
Palau Swiftlet Aerodramus pelewensis | LC | resident | 2005 | present | A2 |
Palau Kingfisher Todiramphus pelewensis | NT | resident | 2005 | present | A2 |
Micronesian Myzomela Myzomela rubratra | LC | resident | 2005 | present | A2 |
Morningbird Pachycephala tenebrosa | LC | resident | 2005 | present | A2 |
Palau Fantail Rhipidura lepida | LC | resident | 2005 | present | A2 |
Palau Flycatcher Myiagra erythrops | LC | resident | 2005 | present | A2 |
Palau Bush-warbler Horornis annae | LC | resident | 2005 | present | A2 |
Giant White-eye Megazosterops palauensis | NT | resident | 2005 | present | A2 |
Dusky White-eye Zosterops finschii | LC | resident | 2005 | present | A2 |
Citrine White-eye Zosterops semperi | LC | resident | 2005 | present | A2 |
Micronesian Starling Aplonis opaca | LC | resident | 2005 | present | A2 |
Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.
For more information about the IBA assessment process and criteria please click here
Most recent IBA monitoring assessment | |||
---|---|---|---|
Year of assessment | Threat score (pressure) | Condition score (state) | Action score (response) |
2018 | high | favourable | high |
Was the whole site covered? | Yes | State assessed by | Habitat |
Accuracy of information | good |
Threats to the site (pressure) | |||||
---|---|---|---|---|---|
Threat Level 1 | Threat Level 2 | Timing | Scope | Severity | Result |
Biological resource use | gathering terrestrial plants - intentional use (species being assessed is the target) | happening now | some of area/population (10-49%) | moderate to rapid deterioration | high |
Human intrusions and disturbance | recreational activities | happening now | some of area/population (10-49%) | no or imperceptible deterioration | low |
Invasive and other problematic species and genes | invasive non-native/alien species/diseases - named species | happening now | some of area/population (10-49%) | slow but significant deterioration | medium |
Condition of habitat (state) | ||||||
---|---|---|---|---|---|---|
Habitat | Habitat Detail | Reference Area (ha) | Actual Area (ha) | % of habitat remaining | % of carrying capacity (overall) | Result |
Forest | 358 | 357 | - | good (> 90%) | favourable |
Conservation actions taken at site (response) | |||
---|---|---|---|
Conservation Designation | Management Planning | Conservation Action | Result |
Whole area of site (>90%) covered by appropriate conservation designation | A comprehensive and appropriate management plan exists that aims to maintain or improve the populations of qualifying bird species | Substantive conservation measures are being implemented but these are not comprehensive and are limited by resources and capacity | high |
Protected Area | Designation | Area (ha) | Relationship with IBA | Overlap with IBA (ha) |
---|---|---|---|---|
Rock Islands Southern Lagoon | World Heritage Site (natural or mixed) | 100,200 | protected area overlaps with site | 4,912 |
Rock Islands Southern Lagoon | Conservation Area | 84,060 | protected area contains site | 4,912 |
Ngkisaol Sardines | Sanctuary | 113 | protected area contained by site | 0 |
Ngerumekoal | Spawning Area | 352 | protected area overlaps with site | 0 |
Ngerukewid Islands | Wildlife Preserve | 1,140 | protected area contained by site | 0 |
IUCN Habitat | Habitat detail | Extent (% of site) |
---|---|---|
Forest | Lowland evergreen rain forest (tropical), Beach and atoll forest | - |
Land-use | Extent (% of site) |
---|---|
nature conservation and research | - |
tourism/recreation | - |
Recommended citation
BirdLife International (2023) Important Bird Areas factsheet: Rock Islands. Downloaded from
http://www.birdlife.org on 28/01/2023.