Indian Ocean, Eastern 1 - Marine

Country/territory: High Seas

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

Area: 24,308,358 ha

Site description
This Marine IBA is identified using tracking data. It falls within High Seas International Waters and the Indian Ocean, FAO ocean region. The site covers an area of 243084 km2 and is 436 km away from the closet coastline. The depth ranges from 4361 to 6087 m, with a mean annual wind speed of 2.4 m/s, mean annual sea surface temperature falls between 11.84 and 15.84 °C and mean annual chlorophyll-a concentrations found to range between 0.16 and 1.15 mg/m3.

Key biodiversity
2 species trigger IBA criteria at this Marine IBA. BirdLife analyses of tracking data estimates that 278-428 individuals of Wandering Albatross (VU) from Iles Crozet are present at the site during the Juvenile (Dec-Jun) life-history stage. 533-762 individuals of Sooty Albatross (EN) from Ile Amsterdam are present at the site during the Non-breeding (Jan-Aug) life-history stage.

Recommended citation
BirdLife International (2023) Important Bird Areas factsheet: Indian Ocean, Eastern 1 - Marine. Downloaded from on 21/03/2023.