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Location High Seas
Central coordinates 37o 17.18' West  48o 42.82' South
IBA criteria A1, A4ii
Area 278,250 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 Atlantic, Southwest FAO ocean region. The site covers an area of 2782 km2 and is 418 km away from the closet coastline. The depth ranges from 4381 to 5534 m, mean annual sea surface temperature falls between 5.14 and 6.81 °C and mean annual chlorophyll-a concentrations found to range between 0.36 and 0.46 mg/m3.

Key Biodiversity 1 species triggers IBA criteria at this Marine IBA. BirdLife analyses of tracking data estimates that 9535-13621 individuals of Grey-headed Albatross (VU) from South Georgia are present at the site during the Incubation (Oct-Dec) life-history stage.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Grey-headed Albatross Thalassarche chrysostoma incubation  1993  9,535-13,621 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: Atlantic, Southwest 36 - Marine. Downloaded from on 22/10/2016

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