Indian Ocean, Antarctic and Southern 43 - Marine


Country/territory: Heard Island and McDonald Islands (to Australia)

IBA Criteria met: -
For more information about IBA criteria please click here

Area: 202,381 ha

Protection status:


Site description
This Marine IBA is identified using tracking data. It falls within the Heard Island and McDonald Islands (to Australia) Exclusive Economic Zone (EEZ) and the Indian Ocean, FAO ocean region. The site covers an area of 2024 km2 and is 187 km away from the closet coastline. The depth ranges from 314 to 1119 m, with a mean annual wind speed of 3.81 m/s, mean annual sea surface temperature falls between 1.8 and 1.96 °C and mean annual chlorophyll-a concentrations found to range between 0.28 and 0.47 mg/m3.

Key biodiversity
1 species triggers IBA criteria at this Marine IBA. BirdLife analyses of tracking data estimates that 43875-200561 individuals of White-chinned Petrel (VU) from Iles Kerguelen are present at the site during the Breeding (Oct-May) life-history stage.


Recommended citation
BirdLife International (2021) Important Bird Areas factsheet: Indian Ocean, Antarctic and Southern 43 - Marine. Downloaded from http://www.birdlife.org on 13/04/2021.