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Location High Seas
Central coordinates 60o 27.03' West  45o 34.80' South
IBA criteria A1
Area 244,319 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 Atlantic, Southwest FAO ocean region. The site covers an area of 2443 km2 and is 389 km away from the closet coastline. The depth ranges from 128 to 174 m, with a mean annual wind speed of 2.35 m/s, mean annual sea surface temperature falls between 8.93 and 9.6 °C and mean annual chlorophyll-a concentrations found to range between 1.32 and 1.79 mg/m3.

Key Biodiversity 1 species triggers IBA criteria at this Marine IBA. BirdLife analyses of tracking data estimates that 2014-4394 individuals of Black-browed Albatross (EN) from Saunders Island are present at the site during the Incubation (Sep-Dec) life-history stage.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Black-browed Albatross Thalassarche melanophris incubation  1998  2,014-4,394 individuals  A1  Near Threatened 

Habitats

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

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Atlantic, Southwest 19 - Marine. Downloaded from http://www.birdlife.org on 29/11/2014

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