Johnston Atoll Marine (31017)
United States Minor Outlying Islands (to USA), Oceania

Site overview


KBA status: confirmed
Global KBA criteria: B1D1a
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numbers of waterbirds based upon a 2007 population estimate of 380,004 individuals from US Fish and Wildlife Service, Unpublished data in Flint, E. (2011) Unpublished excel table of seabird populations from US Minor Outlying Islands and Rose Atoll National Wildlife Monument, and to correspond with the boundary of the Pacific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 HabitatCoverage %Habitat detail
Marine Neritic100

Threats


Threat level 1Threat level 2Threat level 3Timing
PollutionGarbage & solid wasteOngoing
Climate change & severe weatherHabitat shifting & alterationOnly in the future