|Location||Mauritius, Black River,Plaine Wilhems|
|Central coordinates||57o 26.00' East 20o 22.00' South|
|IBA criteria||A1, A2|
|Altitude||20 - 670m|
|Year of IBA assessment||2001|
Site description The site contains the major block of 1,260 ha of native forest in south-west Mauritius that lies to the north of the Black River Gorge system, together with adjacent exotic vegetation. The site includes the plateau above the gorge (Pétrin to Tamarin Falls); the gorge itself east of the Rivière Noire and Grandes Gorges river (including the ridges of Macchabé and Brise Fer); the west-facing Magenta escarpment; and Tamarin Gorge to Rempart mountain. The plateau areas are 550–660 m above sea-level, and the escarpments and gorge slope down almost to sea-level; the highest point, Rempart, reaches 777 m. Rainfall decreases from east to west, from 3,500 mm annually at Pétrin to below 1,500 mm on the coastal plain. Diverse types of native upland and lowland forest and thicket are present, together with a large expanse of exotic vegetation, especially around the entrance to the Black River Gorge. Most of the native vegetation is within the Black River Gorges National Park. Land outside the park is mainly privately-owned Mountain Reserve or leased State Land, some of which is used for deer-hunting.
|Species||Season||Period||Population estimate||Quality of estimate||IBA Criteria||IUCN Category|
|Mauritius Kestrel Falco punctatus||resident||1998||present||-||A1, A2||Endangered|
|Pink Pigeon Nesoenas mayeri||resident||1998||present||-||A1, A2||Endangered|
|Echo Parakeet Psittacula eques||resident||1998||present||-||A1, A2||Endangered|
|Mascarene Swiftlet Aerodramus francicus||resident||1998||present||-||A1, A2||Near Threatened|
|Mauritius Cuckooshrike Coracina typica||resident||1998||present||-||A1, A2||Vulnerable|
|Mascarene Paradise-flycatcher Terpsiphone bourbonnensis||resident||1998||present||-||A2||Least Concern|
|Mauritius Black Bulbul Hypsipetes olivaceus||resident||1998||present||-||A1, A2||Vulnerable|
|Mascarene Grey White-eye Zosterops borbonicus||resident||1998||present||-||A2||Least Concern|
|Mauritius Olive White-eye Zosterops chloronothus||resident||1998||present||-||A1, A2||Critically Endangered|
|Mauritius Fody Foudia rubra||resident||1998||present||-||A1, A2||Endangered|
|Protected area||Designation||Area (ha)||Relationship with IBA||Overlap with IBA (ha)|
|Black River Gorges||National Park||6,574||protected area overlaps with site||0|
|Cabinet||Nature Reserve||18||protected area contained by site||18|
|Macchabee-Bel Ombre Nature Reserve||UNESCO-MAB Biosphere Reserve||3,594||protected area contained by site||3,594|
|Land-use||Extent (% of site)|
|nature conservation and research||-|
Other biodiversity Endemic plant communities, all rich in rare and endemic species: mixed montane forest (widespread—Brise Fer has one of the finest surviving areas); montane scrubland, bushland and thicket (Mare Longue Plateau; includes very rare heath and Pandanus marsh communities at Pétrin); dry evergreen lowland forest (Magenta escarpment to Trois Mamelles); evergreen bushland and thicket (Trois Mamelles). Reptiles: Phelsuma guimbeaui, Phelsuma rosagularis, Phelsuma cepediana (endemic), Gongylomorphus fontenayi (stronghold for this endemic). Mammals: Pteropus niger (VU), Mormopterus acetabulosus (VU).
References Cheke (1987a,b), Jones (1987), Jones and Duffy (1993), Jones et al. (1992, 1995), Safford (1997a,b,c).
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Recommended citation BirdLife International (2014) Important Bird Areas factsheet: Macchabé - Brise Fer forest. Downloaded from http://www.birdlife.org on 01/08/2014
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