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Location High Seas
Central coordinates 53o 24.00' East  36o 45.00' South
IBA criteria A1, A4ii
Area 475,900 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 4759 km2 and is 926 km away from the closet coastline. The depth ranges from 1904 to 4262 m, mean annual sea surface temperature falls between 17.25 and 17.57 °C and mean annual chlorophyll-a concentrations found to range between 0.2 and 0.23 mg/m3.

Key Biodiversity 2 species trigger IBA criteria at this Marine IBA. BirdLife analyses of tracking data estimates that 501-607 individuals of Wandering Albatross (VU) from Iles Crozet are present at the site during the Post-guard (Apr-Dec) life-history stage. 599-799 individuals of Wandering Albatross (VU) from South Georgia are present at the site during the Juvenile (Jun-Oct) life-history stage.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Wandering Albatross Diomedea exulans post-guard  1990  501-607 individuals  A1, A4ii  Vulnerable 
Wandering Albatross Diomedea exulans juvenile (non-breeding)  2001  599-799 individuals  A1, A4ii  Vulnerable 


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 10 - Marine. Downloaded from on 27/10/2016

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