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Location High Seas
Central coordinates 82o 33.00' West  56o 54.00' South
IBA criteria A1
Area 295,331 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 Pacific, Southeast FAO ocean region. The site covers an area of 2953 km2 and is 740 km away from the closet coastline. The depth ranges from 4678 to 5017 m, mean annual sea surface temperature falls between 5.08 and 5.37 °C and mean annual chlorophyll-a concentrations found to range between 0.14 and 0.17 mg/m3.

Key Biodiversity 1 species triggers IBA criteria at this Marine IBA. BirdLife analyses of tracking data estimates that 3222-5156 individuals of Grey-headed Albatross (VU) from Islas Diego Ramirez 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  1997  3,222-5,156 individuals  A1  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: Pacific, Southeast 30 - Marine. Downloaded from on 26/10/2016

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