La Tour du Valat

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The West African Bird DataBase – a tool for conservation, also of intra-African and Palearctic migratory birds

U. Liedén, Auteur ; J. Brouwer, Auteur

Dans Vogelwelt (Die) (137(2) 03, 2017)

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Article

A method for making whole country waterbird population estimates, applied to annual waterbird census data from Niger

J. Brouwer, Auteur ; W. C. Mullie, Auteur

Dans Ostrich (No number JUL 2001)

Regular dry season counts of waterbirds have taken place in Niger since 1992, as a part of the African Waterbird Census. These counts included large sections of the river Niger and its floodplains, as well as up to fifty isolated wetlands. We we[...]

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Article

SYSTANAL: a checklist for analysing ecosystems for the conservation of biological diversity

J. Brouwer, Auteur

Dans Ostrich (No number JUL 2001)

Conservation of biological diversity ideally means conservation of entire ecosystems. To conserve ecosystems on a sustainable basis, you need to understand how they work. SYSTANAL is a checklist for analysing ecosystems, developed during years o[...]

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