This Marine IBA is identified using seaward extensions around breeding colonies. It originates from the Japan Exclusive Economic Zone (EEZ) and falls within the Pacific, Northwest FAO ocean region. The site covers an area of 201 km2 and borders the coastline. The depth ranges from 27 to 723 m, mean annual sea surface temperature falls between 21.93 and 22.08 °C and mean annual chlorophyll-a concentrations found to range between 0.35 and 0.36 mg/m3.
1 species triggers IBA criteria at this Marine IBA. Seaward extensions around breeding colony; Miyakejima island include key near-colony areas for breeding populations of Japanese Murrelet (VU).
BirdLife International (2021) Important Bird Areas factsheet: Northern Izu Islands - Marine. Downloaded from http://www.birdlife.org on 07/03/2021.