Northern Hokkaido - Marine

Country/territory: Japan

IBA criteria met: A4i, A4ii (2016)
For more information about IBA criteria, please click here

Area: 5,152,961 ha

Wild Bird Society of Japan

Site description (2012 baseline)
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 51530 km2 and borders the coastline. The depth ranges from 0 to 1075 m, with a mean annual wind speed of 2.02 m/s and mean annual sea surface temperature falls between 7.61 and 12.56 °C.

Key biodiversity
5 species trigger IBA criteria at this Marine IBA. Seaward extensions around breeding colonies; Aniva bay, Teurito island include key near-colony areas for breeding populations of Rhinoceros Auklet (LC) , Slaty-backed Gull (LC) , Black-legged Kittiwake (LC) , Little Tern (LC) and Black-tailed Gull (LC) 0-50000 individuals.

Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Northern Hokkaido - Marine. Downloaded from on 21/02/2024.