Basse Vallée de l'Ouémé, Lagune de Porto-Novo, Lac Nokoué

Boatmen sailing
Boatman on the site
Ramsar field excursion across the Lagune de Porto-Novo
The red hotel in the village of Ganvié, with water hyacinth
Wetland non food products
water hyacinth
The village well
The village primary school

Basse Vallée de l'Ouémé, Lagune de Porto-Novo, Lac Nokoué

  • Country: 
  • Site number: 
  • Area: 
    91,600 ha
  • Designation date: 
  • Coordinates: 
    06°39'N 02°31'E
Materials presented on this website, particularly maps and territorial information, are as-is and as-available based on available data and do not imply the expression of any opinion whatsoever on the part of the Secretariat of the Ramsar Convention concerning the legal status of any country, territory, city or area, or of its authorities, or concerning the delimitation of its frontiers or boundaries.


Basse Vallée de l'Ouémé, Lagune de Porto-Novo, Lac Nokoué. 24/01/00; 91,600 ha; 06°39'N, 002°32'E. The coastal area between Cotonou and the capital Porto Novo at the mouth of the Ouémé River, varied ecosystems comprising swamp forest (Mitragyna inermis, Raphia hookeri) and periodically inundated forest (Berlinia grandiflora, Dalium guineense); flooded prairies of Paspalum vaginatum and Typha australis, and floating vegetation dominated by water hyacinth (Eichhornia crassipes) and water lettuce (Pistia stratiotes); and mangrove plantations (Rhizophora racemosa). Some 78 species of fish have been identified, and 168 species of birds, as well as sitatunga, several pythons, and terrestrial and marine tortoises. Human uses include fishing by 24,000 professional and 13,000 seasonal fisherpeople, bringing employment to some 200,000 people in total; agricultural production, chiefly of manioc, maïs, sugar cane, sweet potatos, and market gardening. Palm trees (Raphia hookeri) are the object of strong economic activities in construction, palm wine, etc. Ramsar site no. 1018.

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