Atlantic, Southwest 27 - Marine


Site description (2012 baseline):

Site location and context
This Marine IBA is identified using tracking data. It falls within the Argentina Exclusive Economic Zone (EEZ) and the Atlantic, Southwest FAO ocean region. The site covers an area of 3637 km2 and is 358 km away from the closet coastline. The depth ranges from 302 to 1659 m, mean annual sea surface temperature falls between 8.36 and 9.08 °C and mean annual chlorophyll-a concentrations found to range between 0.52 and 1.83 mg/m3.

Key biodiversity
4 species trigger IBA criteria at this Marine IBA. BirdLife analyses of tracking data estimates that 599-1342 individuals of Wandering Albatross (VU) from South Georgia are present at the site during the Sabbatical (Oct-May) and Juvenile (Oct-Apr) life-history stages. 5227-2352 individuals of Northern Royal Albatross (EN) from New Zealand are present at the site during the Non-breeding (Year-Round) life-history stage. 2500000-900000 individuals of Great Shearwater (LC) from Tristan da Cunha Islands are present at the site during the Non-breeding (Jan-Mar) life-history stage.


Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Atlantic, Southwest 27 - Marine. Downloaded from https://datazone.birdlife.org/site/factsheet/atlantic-southwest-27--marine-iba-argentina on 22/02/2024.