Johnston Atoll Marine (31017)
United States Minor Outlying Islands (to USA), Oceania
Site overview
KBA status: confirmed
Global KBA criteria: B1, D1a
Year of last assessment: 2012
National site name: Johnston Atoll Marine
Central coordinates: Latitude: 16.7423, Longitude: -169.5182
System: marine
Area of KBA (km2): 28533.568726
Protected area coverage (%): 100.00
KBA classification: Global
Legacy site: Yes
Site details
Rationale for qualifying as KBA: This site qualifies as a Key Biodiversity Area of international significance that meets the thresholds for at least one criterion described in the Global Standard for the Identification of KBAs.
Delineation rationale: The site boundary is based upon a seaward extension of 92.6 km around Johnston Atoll to encompass the foraging range of IBA threshold numbers of waterbirds based upon a 2007 population estimate of 380,004 individuals from US Fish and Wildlife Service, Unpublished data in Flint, E. (2011) Unpublished excel table of seabird populations from US Minor Outlying Islands and Rose Atoll National Wildlife Monument, and to correspond with the boundary of the Pacific Remote Islands Marine National Monument.
Habitats
IUCN Habitat | Coverage % | Habitat detail |
---|---|---|
Marine Neritic | 100 |
Threats
Threat level 1 | Threat level 2 | Threat level 3 | Timing |
---|---|---|---|
Pollution | Garbage & solid waste | Ongoing | |
Climate change & severe weather | Habitat shifting & alteration | Only in the future |