This Marine IBA is identified using seaward extensions around breeding colonies. It falls within the French Southern Territories Exclusive Economic Zone (EEZ) and the Indian Ocean, Western FAO ocean region. The site covers an area of 15390 km2 and is 353 km away from the closet coastline. The depth ranges from 13 to 4669 m, with a mean annual wind speed of 2.06 m/s, mean annual sea surface temperature falls between 26.41 and 26.62 °C and mean annual chlorophyll-a concentrations found to range between 0.08 and 0.1 mg/m3.
2 species trigger IBA criteria at this Marine IBA. Seaward extensions around breeding colony; Tromelin include key near-colony areas for breeding populations of Masked Booby (LC) 62-523 individuals and Red-footed Booby (LC) 500-949 individuals.
BirdLife International (2022) Important Bird Areas factsheet: Tromelin - Marine. Downloaded from http://www.birdlife.org on 17/01/2022.