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  1. Agriculture and Climate Change in Cameroon: An Assessment of Impacts and Adaptation Options

    Agriculture and Climate Change in Cameroon: An Assessment of Impacts and Adaptation Options

    Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Yong D. Ngondjeb --- , Cameroon
    This study aims to assess the economic impact of climate change on crop farming activities in the Sudano-Sahelian Area of Cameroon. The study uses the Ricardian model and is based on farm data generated from a survey carried out in...
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  2. Variability in growth of <em>Vachellia nilotica</em> provenances tested in the Sudano-Sahelian zone of Niger

    Variability in growth of Vachellia nilotica provenances tested in the Sudano-Sahelian zone of Niger

    Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Mahamane Larwanou --- African Forest Forum, Kenya Rabiou Issa --- Institut Pratique de Développement Rural, Niger Mahamane Saadou --- Department of Biology, Faculty of Science, Niger Anders Ræbild --- Department of Geoscience and Natural Resources, Denmark
    A provenance trial of Vachellia nilotica (Acacia nilotica) was conducted in Niger in order to assess variability in growth among 10 provenances from Africa (subsp. adstringens from Niger, Senegal and Cameroun) and outside the continent (subsp. indica from Pakistan and...
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  3. Movement ecology of five Afrotropical waterfowl species from Malawi, Mali and Nigeria

    Movement ecology of five Afrotropical waterfowl species from Malawi, Mali and Nigeria

    Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: John Y Takekawa --- US Geological Survey, USA Shane R Heath --- US Geological Survey, USA Samuel A Iverson --- US Geological Survey, USA Nicolas Gaidet --- CIRAD, UPR AGIRs, Campus international de Baillarguet, France Julien Cappelle --- CIRAD, UPR AGIRs, Campus international de Baillarguet, France Tim Dodman --- Hundland, UK Ward Hagemeijer --- Wetlands International, The Netherlands William D Eldridge --- US Fish and Wildlife Service, USA Scott A Petrie --- Long Point Waterfowl, Canada Gregory S Yarris --- US Geological Survey, USA Shiiwua Manu --- AP Levantis Ornithological Research Institute, Nigeria Glenn H Olsen --- US Geological Survey, USA Diann J Prosser --- US Geological Survey, USA Kyle A Spragens --- US Geological Survey, USA David C Douglas --- US Geological Survey, USA Scott H Newman --- Food and Agriculture Organization of the United Nations, Vietnam
    Habitat availability for Afrotropical waterbirds is highly dynamic with unpredictable rainfall patterns and ephemeral wetlands resulting in diverse movement strategies among different species. Movement strategies among waterfowl encompass resident, regional and intercontinental migrants, but little quantitative information exists on their...
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  4. Impacts of climatic changes on small mammal communities in the Sahel (West Africa) as evidenced by owl pellet analysis

    Impacts of climatic changes on small mammal communities in the Sahel (West Africa) as evidenced by owl pellet analysis

    Item type: Journal Article • Journal: African Zoology • Authors: Massamba Thiam --- IRD, CBGP (UMR 022: IRD/INRA/CIRAD/SupAgroMontpellier), Centre ISRA/IRD de Dakar Bel Air, Sénégal Khalilou Bâ --- IRD, CBGP (UMR 022: IRD/INRA/CIRAD/SupAgroMontpellier), Centre ISRA/IRD de Dakar Bel Air, Sénégal Jean-marc Duplantier --- IRD, CBGP( UMR 022: IRD/INRA/CIRAD/SupAgroMontpellier), Campus International de Baillarguet, France
    To evaluate the impact of climatic change on rodent sahelian communities, we analysed the contents of over 2500 barn owl (Tyto alba) pellets collected along the Senegal river between 1989 and 2003, and from the Ferlo sahelian area in 2003...
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  5. Distribution, ecology, and conservation of <em>Philochortus zolii</em> in Mauritania: implications for the long-term persistence of an endangered lizard

    Distribution, ecology, and conservation of Philochortus zolii in Mauritania: implications for the long-term persistence of an endangered lizard

    Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Marisa Naia --- , Portugal Andack S Sow --- , Mauritania João Campos --- , Portugal Zeine El Abidine Sidatt --- , Mauritania José C Brito --- , Portugal
    Philochortus zolii is a globally endangered lizard known only from five localities scattered across North Africa. The population is thought to be decreasing, but there are almost no data about this Sahara-Sahel endemic lizard. Recently, a sixth population was found...
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  6. Cinereous Vulture <em>Aegypius monachus</em> movements between Europe and Africa show a pattern across the Strait of Gibraltar

    Cinereous Vulture Aegypius monachus movements between Europe and Africa show a pattern across the Strait of Gibraltar

    Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Juan Ramírez --- Malaga University, Spain Javier Elorriaga --- , Spain Andrés de la Cruz --- Spanish Institute of Oceanography (IEO), Spanish National Research Council (CSIC), Spain
    The biology of the Cinereous Vulture Aegypius monachus is well known across its breeding range, and the species’ dispersal and movements throughout Europe are widely recorded. However, the ecology of this vulture south of the Mediterranean Sea has been overlooked,...
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