Atlantic, Southwest 42 - Marine

Country/territory: High Seas

IBA Criteria met: -
For more information about IBA criteria please click here

Area: 9,395,217 ha

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 93952 km2 and is 1301 km away from the closet coastline. The depth ranges from 2910 to 5070 m, with a mean annual wind speed of 2.73 m/s, mean annual sea surface temperature falls between 14.59 and 16.2 °C and mean annual chlorophyll-a concentrations found to range between 0.23 and 0.61 mg/m3.

Key biodiversity
1 species triggers IBA criteria at this Marine IBA. BirdLife analyses of tracking data estimates that 1913-3187 individuals of Tristan Albatross (CR) from Gough Island are present at the site during the Non-breeding (Jan-Apr) life-history stage.

Recommended citation
BirdLife International (2021) Important Bird Areas factsheet: Atlantic, Southwest 42 - Marine. Downloaded from on 06/12/2021.