Atlantic, Southwest 37 - Marine (30357)
High Seas, High Seas
Site overview
KBA status: confirmed
Global KBA criteria: A1a, A1c, B1, D1a
Year of last assessment: 2012
National site name: Atlantic, Southwest 37 - Marine
Central coordinates: Latitude: -49.4000, Longitude: -32.8000
System: marine
Area of KBA (km2): 3716.94805
KBA classification: Global
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 3717 km2 and is 499 km away from the closet coastline. The depth ranges from 5003 to 5606 m, mean annual sea surface temperature falls between 3.85 and 5.11 °C and mean annual chlorophyll-a concentrations found to range between 0.36 and 0.46 mg/m3.
Rationale for qualifying as KBA: This site qualifies as a Key Biodiversity Area of international significance that meets the thresholds for at least one criterion described in the Global Standard for the Identification of KBAs.
Additional biodiversity: 2 species trigger IBA criteria at this Marine IBA. BirdLife analyses of tracking data estimates that 31205-62410 individuals of Grey-headed Albatross (VU) from South Georgia are present at the site during the Non-breeding (Oct-Jun) life-history stage. 13931-13931 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) - gha_stg_nb, bba_stg_in
Habitats
| IUCN Habitat | Coverage % | Habitat detail |
|---|---|---|
| Marine Neritic | 100 |