Data Zone
Country/territory: Antarctica
IBA criteria met: A1, A4ii (2018)
For more information about IBA criteria, please click here
Area: 8,836,765 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 76640 km2 and borders the coastline. The depth ranges from 0 to 5437 m, with a mean annual wind speed of 2.9 m/s, mean annual sea surface temperature falls between -0.92 and 0.69 °C and mean annual chlorophyll-a concentrations found to range between 0.17 and 1.08 mg/m3.
Key biodiversity
1 species triggers IBA criteria at this Marine IBA. BirdLife analyses of tracking data estimates that 1350-6136 individuals of Light-mantled Albatross (NT) from South Georgia are present at the site during the Post-guard (Feb-Jun) life-history stage.
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Antarctica - Clarence Island Marine (Antarctica). Downloaded from
https://datazone.birdlife.org/site/factsheet/antarctica--clarence-island-marine-iba-antarctica on 25/11/2024.