|Central coordinates||24o 21.63' West 16o 37.92' North|
|Year of IBA assessment||2012|
Site description This Marine IBA is identified using seaward extensions around breeding colonies. It originates from the Cape Verde Exclusive Economic Zone (EEZ) and falls within the Atlantic, Eastern Central FAO ocean region. The site covers an area of 2089 km2 and borders the coastline. The depth ranges from 0 to 3024 m, with a mean annual wind speed of 1.78 m/s, mean annual sea surface temperature falls between 23.9 and 24.4 °C and mean annual chlorophyll-a concentrations found to range between 0.24 and 0.41 mg/m3.
Key Biodiversity 2 species trigger IBA criteria at this Marine IBA. Seaward extensions around breeding colonies; Central mountain range of Ilha de São Nicolau, Ilhéu Raso include key near-colony areas for breeding populations of Red-billed Tropicbird (LC) 75-120 individuals and Fea's Petrel (NT) 90-90 individuals.
|Species||Season||Period||Population estimate||Quality of estimate||IBA Criteria||IUCN Category|
|Pterodroma feae||breeding||-||90 individuals||-||A4i||Not Recognised|
|Red-billed Tropicbird Phaethon aethereus||breeding||-||75-120 individuals||-||A4i||Least Concern|
|IUCN habitat||Habitat detail||Extent (% of site)|
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Recommended citation BirdLife International (2015) Important Bird Areas factsheet: Central mountain range of Ilha de São Nicolau - Marine. Downloaded from http://www.birdlife.org on 13/10/2015
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