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Changes in Sahelian bird biodiversity and tree density over a five-year period in northern Nigeria

Matthew Stevens, Auteur ; Danae Sheehan, Auteur ; Jared Wilson, Auteur ; Graeme Buchanan, Auteur ; Will Cresswell, Auteur

Dans Bird Study (57(2) 2010)

Capsule Two widespread censuses of already degraded woodland in the Sahel in Northern Nigeria separated by five years (2002 and 2007) showed relatively small further changes in tree and bird density. Aims To determine how change in tree density [...]

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