Atlantic, Southwest 40 - Marine (30936)
High Seas, High Seas
Site overview
KBA status: confirmed
Year of last assessment: 2012
National site name: Atlantic, Southwest 40 - Marine
Central coordinates: Latitude: -43.2125, Longitude: -51.3250
System: marine
Area of KBA (km2): 22992.83824
KBA classification: Global/Regional TBD
Legacy site: Yes
Site details
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 22993 km2 and is 671 km away from the closet coastline. The depth ranges from 5458 to 5857 m, with a mean annual wind speed of 2.62 m/s, mean annual sea surface temperature falls between 12.77 and 14.61 °C and mean annual chlorophyll-a concentrations found to range between 0.53 and 0.84 mg/m3.
Rationale for qualifying as KBA: This site qualifies as a Key Biodiversity Area of international significance because it meets one or more previously established criteria and thresholds for identifying sites of biodiversity importance (including Important Bird and Biodiversity Areas, Alliance for Zero Extinction sites, and Key Biodiversity Areas)
Additional biodiversity: 1 species triggers IBA criteria at this Marine IBA. BirdLife analyses of tracking data estimates that 13931-17413 individuals of Black-browed Albatross (EN) from South Georgia are present at the site during the Incubation (Sep-Dec) life-history stage.
Delineation rationale: Site identified by analysis of tracking dataset(s) - bba_stg_in
Habitats
| IUCN Habitat | Coverage % | Habitat detail |
|---|---|---|
| Marine Neritic | 100 |