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Location Antarctica
Central coordinates 70o 37.50' East  63o 57.90' South
IBA criteria A1, A4ii, A4iii
Area 1,820,550 ha
Year of IBA assessment 2012

Site description This Marine IBA is identified using tracking data. It falls within the Antarctica Exclusive Economic Zone (EEZ) and the Indian Ocean, FAO ocean region. The site covers an area of 18205 km2 and is 176 km away from the closet coastline. The depth ranges from 3158 to 3777 m, with a mean annual wind speed of 2.56 m/s, mean annual sea surface temperature falls between 0.07 and 0.62 °C and mean annual chlorophyll-a concentrations found to range between 0.13 and 0.51 mg/m3.

Key Biodiversity 1 species triggers IBA criteria at this Marine IBA. BirdLife analyses of tracking data estimates that 43875-125342 individuals of White-chinned Petrel (VU) from Iles Kerguelen are present at the site during the Breeding (Oct-May) life-history stage.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
White-chinned Petrel Procellaria aequinoctialis breeding  43,875-125,342 individuals  A1, A4ii  Vulnerable 
A4iii Species group - seabirds breeding  43,875-125,342 individuals  A4iii   


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, Antarctic and Southern 46 - Marine. Downloaded from on 23/10/2016

To provide new information to update this factsheet or to correct any errors, please email BirdLife