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Location High Seas
Central coordinates 37o 57.00' East  41o 57.00' South
IBA criteria A1, A4ii
Area 27,629 ha
Year of IBA assessment 2012

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 276 km2 and borders the coastline. The depth ranges from 3429 to 3984 m, mean annual sea surface temperature falls between 11.38 and 11.84 °C and mean annual chlorophyll-a concentrations found to range between 0.38 and 0.41 mg/m3.

Key Biodiversity 2 species trigger IBA criteria at this Marine IBA. BirdLife analyses of tracking data estimates that 23-26 individuals of Amsterdam Albatross (CR) from Ile Amsterdam are present at the site during the Non-breeding (Apr-Nov) life-history stage. 981-1570 individuals of Indian Yellow-nosed Albatross (EN) from Prince Edward Island are present at the site during the Post-guard (Jan-Apr) life-history stage.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Amsterdam Albatross Diomedea amsterdamensis non-breeding  23-26 individuals  A1, A4ii  Critically Endangered 
Indian Yellow-nosed Albatross Thalassarche carteri post-guard  2011  981-1,570 individuals  A1, A4ii  Endangered 


IUCN habitat Habitat detail Extent (% of site)
Sea   100%

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Indian Ocean, Western 3 - Marine. Downloaded from on 28/10/2016

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