|Central coordinates||6o 46.00' West 30o 56.00' North|
|IBA criteria||A1, A4i|
|Year of IBA assessment||2001|
Site description The site is located on the southern side of the High Atlas a few kilometres east of the town of Ouarzazate. It consists of a large reservoir formed in 1972 by the construction of a hydroelectric dam on the Oued Drâa, near the confluence of the Oued Dadès and the Oued Ouarzazate. The reservoir is also fed by many small temporary side-streams. Where these enter the lake, the water is relatively shallow and dense vegetation of Cynodon dactylon, Cyperus spp., Juncus spp., Phragmites australis and Tamarix canariensis occurs. Elsewhere, the water depth drops off sharply, reaching 2–4 m deep only several metres from the rocky shore. Annual precipitation averages 1,500 mm.
|Species||Season||Period||Population estimate||Quality of estimate||IBA Criteria||IUCN Category|
|Ruddy Shelduck Tadorna ferruginea||breeding||-||-||-||Least Concern|
|Ruddy Shelduck Tadorna ferruginea||winter||-||400-700 individuals||-||A4i||Least Concern|
|Marbled Teal Marmaronetta angustirostris||passage||-||187 individuals||-||A1, A4i||Vulnerable|
|Marbled Teal Marmaronetta angustirostris||breeding||-||-||-||Vulnerable|
|Land-use||Extent (% of site)|
Other biodiversity The toad Bufo brongersmai, a Moroccan endemic, occurs.
References BCEOM-SECA (1995b).
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Recommended citation BirdLife International (2014) Important Bird Areas factsheet: Barrage al Mansour Ad-Dhabi. Downloaded from http://www.birdlife.org on 19/04/2014
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