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Site description (2012 baseline):
Site location and context
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 is 22 km away from the closet coastline. The depth ranges from 5 to 120 m, mean annual sea surface temperature falls between 17.49 and 17.64 °C and mean annual chlorophyll-a concentrations found to range between 0.55 and 0.63 mg/m3.
1 species triggers IBA criteria at this Marine IBA. Seaward extensions around breeding colony; Nanatsujima islets include key near-colony areas for breeding populations of Japanese Murrelet (VU).
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Nanatsujima islets - Marine (Japan). Downloaded from
https://datazone.birdlife.org/site/factsheet/nanatsujima-islets--marine-iba-japan on 23/12/2024.
