Johnston Atoll Marine

Country/territory: United States Minor Outlying Islands (to USA)

IBA Criteria met: A4i, A4ii (2012)
For more information about IBA criteria please click here

Area: 2,853,357 ha

Most recent IBA monitoring assessment
Year of assessment Threat score (pressure) Condition score (state) Action score (response)
2012 high favourable negligible
For more information about IBA monitoring please click here

Site summary
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numbers of waterbirds based upon a 2007 population estimate of 380,004 individuals from US Fish and Wildlife Service, Unpublished data in Flint, E. (2011) Unpublished excel table of seabird populations from US Minor Outlying Islands and Rose Atoll National Wildlife Monument, and to correspond with the boundary of the Pacific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.

Recommended citation
BirdLife International (2021) Important Bird Areas factsheet: Johnston Atoll Marine. Downloaded from on 06/12/2021.