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Location Morocco, Taounate
Central coordinates 4o 40.00' West  34o 8.00' North
IBA criteria A4i
Area 5,700 ha
Altitude 200 - 310m
Year of IBA assessment 2001

Groupe de Recherche pour la Protection des Oiseaux au Maroc (Affiliate)



Site description The site is a large reservoir on the Oued Inaouen, north-east of Fès, at 200 m altitude, flooded in 1973 by the construction of the Idriss Premier dam. The reservoir is 16 km long and mostly bordered by low, cultivated hills, although at the upstream end there is a small area of natural grassland. The average annual precipitation is 540 mm.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Ruddy Shelduck Tadorna ferruginea winter  260 individuals  A4i  Least Concern 
Red-knobbed Coot Fulica cristata winter  274 individuals  A4i  Least Concern 
Common Crane Grus grus winter  2,032 individuals  A4i  Least Concern 

Land use

Land-use Extent (% of site)
agriculture -
hunting -
water management -

Other biodiversity The endemic fish Alosa alosa (DD) used to occur. Its current status in the reservoir is not known, and it may have been eliminated by introduced competitors and predators.

References BCEOM-SECA (1995b).

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Barrage Idriss Premier. Downloaded from http://www.birdlife.org on 23/08/2014

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