Atlantic, Antarctic 11 - Marine (Antarctica)

Atlantic, Antarctic 11 - Marine

Current view: summary

Country/territory: Antarctica

IBA criteria met: A1, A4ii (2012)
For more information about IBA criteria, please click here

Area: 123,816 ha

Site description (2012 baseline)
This Marine IBA is identified using tracking data. It falls within the Antarctica Exclusive Economic Zone (EEZ) and the Atlantic, Antarctic FAO ocean region. The site covers an area of 1238 km2 and is 93 km away from the closet coastline. The depth ranges from 400 to 2700 m, mean annual sea surface temperature falls between 0.33 and 0.49 °C and mean annual chlorophyll-a concentrations found to range between 0.28 and 0.52 mg/m3.

Key biodiversity
2 species trigger IBA criteria at this Marine IBA. BirdLife analyses of tracking data estimates that 3093-12738 individuals of Grey-headed Albatross (VU) from Islas Diego Ramirez are present at the site during the Brood-guard (Dec-Jan) and Post-guard (Feb-May) life-history stages.

Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Atlantic, Antarctic 11 - Marine (Antarctica). Downloaded from https://datazone.birdlife.org/site/factsheet/atlantic-antarctic-11--marine-iba-antarctica on 25/11/2024.