|Central coordinates||1o 57.00' East 6o 30.00' North|
|IBA criteria||A1, A4i|
|Altitude||0 - 10m|
|Year of IBA assessment||2001|
Site description This triangular area, in the south-west of the country, comprises the marshes of the lower Kouffo river, Lake Ahémé, into which the river drains, and the ‘Aho complex’ consisting of marshes beside the Aho river, which carries water from the lake to the sea, and the coastal strip between the towns of Grand-Popo to the west and Ouidah to the east. The south of Lake Ahémé is fringed with Typha australis and the Aho supports mangroves (Rhizophora sp. and Avicennia sp.), maintained by seasonal influxes of brackish water.
|Species||Season||Period||Population estimate||Quality of estimate||IBA Criteria||IUCN Category|
|Royal Tern Thalasseus maximus||winter||1996||502 individuals||-||A4i||Least Concern|
|Damara Tern Sternula balaenarum||winter||-||200 individuals||-||A1, A4i||Near Threatened|
|Protected area||Designation||Area (ha)||Relationship with IBA||Overlap with IBA (ha)|
|Basse Vallée du Couffo, Lagune Côtiere, Chenal Aho, Lac Ahémé||Wetlands of International Importance (Ramsar)||47,500||protected area contains site||45,000|
|IUCN habitat||Habitat detail||Extent (% of site)|
|Artificial - terrestrial||2%|
|Land-use||Extent (% of site)|
|nature conservation and research||-|
Other biodiversity The fish Trichechus senegalensis (VU) was reported from Lake Ahémé in the mid-1970s.
References Hagemeijer et al. (2000a,b), Wetlands International (1998).
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Recommended citation BirdLife International (2014) Important Bird Areas factsheet: Lake Ahémé and Aho complex. Downloaded from http://www.birdlife.org on 02/09/2014
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