Mikurajima island - Marine

Country/territory: Japan

IBA Criteria met: A1, A4i (2012)
For more information about IBA criteria please click here

Area: 88,842 ha

Protection status:

Wild Bird Society of Japan

Site description
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 888 km2 and is 110 km away from the closet coastline. The depth ranges from 0 to 1632 m, mean annual sea surface temperature falls between 22.22 and 22.63 °C and mean annual chlorophyll-a concentrations found to range between 0.3 and 0.33 mg/m3.

Key biodiversity
2 species trigger IBA criteria at this Marine IBA. Seaward extensions around breeding colony; Mikurajima island include key near-colony areas for breeding populations of Streaked Shearwater (LC) 7000000-7000000 individuals and Japanese Murrelet (VU).

Recommended citation
BirdLife International (2020) Important Bird Areas factsheet: Mikurajima island - Marine. Downloaded from http://www.birdlife.org on 30/10/2020.