Atlantic, Antarctic 19 - Marine (High Seas)

Atlantic, Antarctic 19 - Marine

Current view: summary

Country/territory: High Seas

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

Area: 13,346,267 ha

Site description (2012 baseline)
This Marine IBA is identified using tracking data. It falls within High Seas International Waters and the Atlantic, Antarctic FAO ocean region. The site covers an area of 133463 km2 and is 801 km away from the closet coastline. The depth ranges from 3414 to 5187 m, with a mean annual wind speed of 3.27 m/s, mean annual sea surface temperature falls between 0.13 and 1.21 °C and mean annual chlorophyll-a concentrations found to range between 0.2 and 0.93 mg/m3.

Key biodiversity
1 species triggers IBA criteria at this Marine IBA. BirdLife analyses of tracking data estimates that 31205-46807 individuals of Grey-headed Albatross (VU) from South Georgia are present at the site during the Non-breeding (Dec-Feb) life-history stage.

Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Atlantic, Antarctic 19 - Marine (High Seas). Downloaded from https://datazone.birdlife.org/site/factsheet/atlantic-antarctic-19--marine-iba-high-seas on 25/11/2024.