The part of 'W' National Park that lies in Niger is situated in a transition zone between savannah and forest lands and represents important ecosystem characteristics of the West African Woodlands/Savannah Biogeographical Province. The site reflects the interaction between natural resources and humans since Neolithic times and illustrates the evolution of biodiversity in this zone. The 'W' National Park, so named because of the local configuration of the Niger River (220,000 ha), is located in a transition zone between Sudan and Guinea savannahs and contiguous to 'W' National Parks in both Burkina Faso and Benin, and the Reserve de Faune de Tamou to the north. Shrub savannah is the most widespread vegetation type occurring on shallow infertile soils.
'W' Hosts Ecosystems
W hosts ecosystems representing the interaction between natural resources and humans since Neolithic times. This interaction has produced characteristic landscapes and plant formations and represents the evolution of biodiversity in the Sudan-Sahelian biome. The park hosts the major populations of ungulates in West Africa and wild plant species considered very important for conservation and genetic research. The wetland area of the park is of international importance for the conservation of birds as a Ramsar site. The fact that the park is contiguous to other protected areas in Burkina Faso and Niger is important for the survival of species that need large areas for their seasonal migrations.A total of 454 plant species has been recorded, including two orchid species found only in Niger. More than 70 mammal species have been described, and around 350 bird species are found in the area. Most of the populations of ungulate species are increasing, thanks to protection programmes. Reptiles and fishes occurring in the park are typical of the Niger River.
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