NDLI: Diversity, distribution and conservation of land mammals in Mauritania, North-West Africa

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Author	José Carlos Brito Andack Saad Sow Cândida Gomes Vale Cristian Pizzigalli Dieng Hamidou Duarte Vasconcelos Gonçalves Fernando Martínez-Freiría Frederico Santarém Hugo Rebelo João Carlos Campos Juan Manuel Pleguezuelos Maria Joana Ferreira da Silva Marisa Naia Pedro Tarroso Raquel Godinho Teresa Luísa Silva Tiago Macedo Zbyszek Boratyński Zeine El Abidine Sidatt Francisco Álvares
Abstract	Detailed knowledge about biodiversity distribution is critical for monitoring the biological effects of global change processes. Biodiversity knowledge gaps hamper the monitoring of conservation trends and they are especially evident in the desert biome. Mauritania constitutes a remarkable example on how remoteness and regional insecurity affect current knowledge gaps. Mammals remain one of the least studied groups in this country, without a concerted species checklist, the mapping of regions concentrating mammal diversity, or a national assessment of their conservation status. This work assessed the diversity, distribution, and conservation of land mammals in Mauritania. A total of 6,718 published and original observations were assembled in a spatial database and used to update the occurrence status, distribution area, and conservation status. The updated taxonomic list comprises 107 species, including 93 extant, 12 Regionally Extinct, and 2 Extinct in the Wild. Mapping of species distributions allowed locating concentrations of extant mammal species richness in coastal areas, along the Senegal River valley, and in mountain plateaus. Recent regional extinction of large-sized Artiodactyla and Carnivora has been very high (11% extinct species). From the extant mammals, 11% are threatened, including flagship species (e.g., Addax nasomaculatus and Panthera pardus). Species richness is poorly represented by the current protected areas. Despite the strong advances made, 23% of species categorise as Data Deficient. Persisting systematics and distribution uncertainties require further research. Field surveys in currently unexplored areas (northern and south-eastern regions) are urgently needed to increase knowledge about threatened mammals. The long-term conservation of land mammals in Mauritania is embedded in a complex web of socioeconomic and environmental factors that call for collaborative action and investment in sustainable human development. The current work sets the baseline for the future development of detailed research studies and to address the general challenges faced by mammals and biodiversity in the country.
e-ISSN	19326203
Journal	PLoS ONE
Issue Number	8
Volume Number	17
Language	English
Publisher	Public Library of Science (PLoS)
Publisher Date	2022-01-01
Publisher Place	United States
Access Restriction	Open
Subject Keyword	Medicine Science
Content Type	Text
Resource Type	Article

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