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Location High Seas
Central coordinates 90o 7.50' West  56o 30.00' South
IBA criteria A1
Area 89,121 ha
Altitude
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 891 km2 and is 882 km away from the closet coastline. The depth ranges from 4990 to 5348 m, with a mean annual wind speed of 3.79 m/s, mean annual sea surface temperature falls between 5.13 and 5.27 °C and mean annual chlorophyll-a concentrations found to range between 0.16 and 0.19 mg/m3.

Key Biodiversity 1 species triggers IBA criteria at this Marine IBA. BirdLife analyses of tracking data estimates that 3222-3867 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  3,222-3,867 individuals  A1  Endangered 

Habitats

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

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Pacific, Southeast 20 - Marine. Downloaded from http://www.birdlife.org on 29/12/2014

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