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Location Mauritius, Grand Port,Moka,Plaine Wilhems
Central coordinates 57o 32.00' East  20o 21.00' South
IBA criteria A1, A2
Area 580 ha
Altitude 350 - 700m
Year of IBA assessment 2001

Site description The site includes patches of native vegetation, covering up to 210 ha, scattered over the southern part of the central plateau (350–700 m). They are either isolated mountain peaks unsuitable for forestry (Piton du Milieu, Montagne Lagrave, Montagne Laselle, Montagne d’Hauvillard, Kanaka Crater); areas saved from clearance because of botanical importance (Bois Sec, Les Mares, Gouly Père, Perrier); or areas saved for reasons not documented (Rivière du Poste, Jouanis, Monvert). The whole region is very humid and various native plant communities are represented, as well as spectacular landscapes such as the exposed volcanic plug of Piton du Milieu and the very sharp ridge of Montagne Laselle. Ranching and hunting of deer are limited to a few of the patches. Several patches are reserves. The native forest of State Land Monvert and Montagne Lagrave is fenced.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Meller's Duck Anas melleri winter  present  A1  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 areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Bois Sec Nature Reserve 6 protected area contained by site 6  
Gouly Pere Nature Reserve 11 protected area contained by site 11  

Land use

Land-use Extent (% of site)
hunting -
nature conservation and research -
tourism/recreation -

Other biodiversity Endemic plant communities, all rich in rare and endemic species: cloud-forest (on Montagne Lagrave, highest native pteridophyte diversity in Mauritius); rainforest; other mixed montane forest (at Perrier, finest ‘Sideroxylon formation’); montane shrubland (on Montagne Laselle, very rare heath community). Many extremely rare plants are known from these sites (in several cases, only one site), for example Tectiphiala ferox (monotypic palm genus, E). Reptiles: Phelsuma rosagularis, Phelsuma cepediana (endemic). Mammals: Pteropus niger (VU), Mormopterus acetabulosus (VU).

References Cheke (1987a,b), Jones (1987), Safford (1991, 1993a, 1997a,b).

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Relict forests of central plateau. Downloaded from on 02/10/2014

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