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Documents disponibles écrits par cet auteur (7)
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Article
Anina Coetzee, Auteur ; Phoebe Barnard, Auteur ; Anton Pauw, AuteurBiological communities are increasingly faced with novel urban habitats and their response may depend on a combination of biological and habitat traits. The response of pollinator species to urban habitats are of particular importance because al[...]
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Alan T. K. Lee, Auteur ; Res Altwegg, Auteur ; Phoebe Barnard, AuteurSummary The robust assessment of conservation status increasingly requires population metrics for species that may be little-researched, with no prospect of immediate improvement, but for which citizen science atlas data may exist. We explore th[...]
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Alan T. K. Lee, Auteur ; Phoebe Barnard, AuteurThe South African Fynbos biome, a global biodiversity hotspot with high endemism and species richness, has six endemic bird species. These are important not only intrinsically, but also for ecological functioning and as flagships for South Afric[...]
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Alan TK Lee, Auteur ; Phoebe Barnard, Auteur ; Philip AR Hockey, AuteurEstimates of bird numbers through quantification of density and range sizes are necessary for decisions regarding conservation status, yet counts of birds are often confounded by uncertainty of detection. The status of the endemic birds of the F[...]
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Colleen Downs, Auteur ; Doug Harebottle, Auteur ; Tim Dodman, Auteur ; Abdoulaye Ndiaye, Auteur ; Phoebe Barnard, Auteur ; Brian Huntley, Auteur ; Darcy Ogada, Auteur ; André Botha, Auteur ; Fleur Ng'weno, Auteur
Article
Alan T. K. Lee, Auteur ; Phoebe Barnard, AuteurDans Ostrich (88(1) 2017)Relationships between true population densities and reporting indices from atlas data are important for the calculation of population sizes, though these relationships are remarkably little-known and likely confounded by issues of detection. We [...]
Article
Yvonne C. Collingham, Auteur ; Brian Huntley, Auteur ; Res Altwegg, Auteur ; Phoebe Barnard, Auteur ; Oliver S. Beveridge, Auteur ; Richard D. Gregory, Auteur ; Lucy R. Mason, Auteur ; H. Dieter Oschadleus, Auteur ; Robert E. Simmons, Auteur ; Stephen G. Willis, Auteur ; Rhys E. Green, AuteurEstimates of annual survival rates of birds are valuable in a wide range of studies of population ecology and conservation. These include modelling studies to assess the impacts of climatic change or anthropogenic mortality for many species for [...]
