Détail de l'auteur
Auteur Raymond Jansen |
Documents disponibles écrits par cet auteur (7)
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Article
David J. T. Douglas, Auteur ; Jessica Waldinger, Auteur ; Zoya Buckmire, Auteur ; Kathryn Gibb, Auteur ; Juan P. Medina, Auteur ; Lee Sutcliffe, Auteur ; Christa Beckmann, Auteur ; Nigel J. Collar, Auteur ; Raymond Jansen, Auteur ; Johannes Kamp, Auteur ; Ian Little, Auteur ; Rob Sheldon, Auteur ; Alberto Yanosky, Auteur ; Nicola Koper, AuteurGrasslands are globally threatened and their biodiversity, including grassland birds, is declining markedly. To inform grassland bird conservation globally, we systematically reviewed threats and conservation actions for grassland birds, extract[...]![]()
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LUCY V. KEMP, Auteur ; Antoinette Kotze, Auteur ; Raymond Jansen, Auteur ; Desire L. Dalton, Auteur ; PAUL GROBLER, Auteur ; Rob M. Little, AuteurReintroduction to, or reinforcement of, threatened wild populations are commonly used conservation strategies. Reintroductions of the Southern Ground-hornbill Bucorvus leadbeateri have been tested as a potential conservation tool for this vulner[...]![]()
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Darren W. Pietersen, Auteur ; Andrew E. McKechnie, Auteur ; Raymond Jansen, Auteur ; Ian T. Little, Auteur ; Armanda D. S. Bastos, AuteurDans Ibis (161(4) 2019)The globally distributed avian family Motacillidae consists of five to seven genera (Anthus, Dendronanthus, Tmetothylacus, Macronyx and Motacilla, and depending on the taxonomy followed, Amaurocichla and Madanga) and 66–68 recognized species, of[...]![]()
Article
Darren W. Pietersen, Auteur ; Ian T. Little, Auteur ; Raymond Jansen, Auteur ; Andrew E. McKechnie, AuteurThe Yellow-breasted Pipit (Anthus chloris) is endemic to the eastern escarpment of South Africa, marginally entering eastern Lesotho. This species is classified as globally Vulnerable due to a perceived decreasing population size and loss of hab[...]![]()
Article
Ian T Little, Auteur ; Philip AR Hockey, Auteur ; Raymond Jansen, AuteurBy focusing on process-oriented data rather than inventory-type data, this study provides a robust understanding of the effects of agricultural management on grassland bird reproductive output in the moist highland grasslands (MHGs) of South Afr[...]![]()
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Ian T. Little, Auteur ; Philip A. R. Hockey, Auteur ; Raymond Jansen, AuteurIn this study, we investigated the responses of two faunal groups, birds and arthropods, to varying degrees of disturbance caused by fire and grazing in South Africa, eight study sites of varying fire frequency and stocking density were studied [...]



