Year of most recent IBA criteria assessment: 2016Populations of IBA trigger species
|Species||Current IUCN Red List Category||Season||Year(s) of estimate||Population estimate||IBA Criteria Triggered|
|Tristram's Storm-petrel Hydrobates tristrami||LC||breeding||2014||min 68,120 nests||A4ii|
|Streaked Shearwater Calonectris leucomelas||NT||breeding||2014-2016||min 2,258,860 nests||A4ii|
|Japanese Murrelet Synthliboramphus wumizusume||VU||breeding||2015||min 1,019 individuals||A1, A4ii|
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
|Protected Area||Designation||Area (ha)||Relationship with IBA||Overlap with IBA (ha)|
|Onoharajima||国指定鳥獣保護区||546||protected area contained by site||0|
|Fuji hakone izu||国立公園||166,767||protected area overlaps with site||0|
|Common fishery right area(Tokyo)||共同漁業権区域||102,714||protected area overlaps with site||0|
|IUCN Habitat||Habitat detail||Extent (% of site)|
BirdLife International (2021) Important Bird Areas factsheet: Northern Izu Islands - Marine. Downloaded from http://www.birdlife.org on 22/01/2021.