Pacific, Northwest 8 - Marine

Country/territory: Japan

IBA Criteria met: -
For more information about IBA criteria please click here

Area: 13,291,778 ha

Wild Bird Society of Japan

Site description
This Marine IBA is identified using tracking data. It falls within the Japan Exclusive Economic Zone (EEZ) and the Pacific, Northwest FAO ocean region. The site covers an area of 132918 km2 and is 44 km away from the closet coastline. The depth ranges from 126 to 7694 m, with a mean annual wind speed of 2.06 m/s, mean annual sea surface temperature falls between 8.92 and 21.32 °C and mean annual chlorophyll-a concentrations found to range between 0.33 and 1.81 mg/m3.

Key biodiversity
1 species triggers IBA criteria at this Marine IBA. BirdLife analyses of tracking data estimates that 3750000-4166667 individuals of Sooty Shearwater (NT) from New Zealand are present at the site during the Non-breeding (May-Jul) life-history stage.

Recommended citation
BirdLife International (2023) Important Bird Areas factsheet: Pacific, Northwest 8 - Marine. Downloaded from on 01/04/2023.