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Documents disponibles écrits par cet auteur (25)
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Article
Esther Nosazeogie, Auteur ; Talatu Tende, Auteur ; Ara Monadjem, AuteurAvian scavengers, by feeding on carrion and other organic matter, provide critical ecosystem services. Vultures, the only obligate avian scavengers, have reportedly experienced massive population declines in Africa yet current knowledge regardin[...]
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Adam Kane, Auteur ; Kerri Wolter, Auteur ; Walter Neser, Auteur ; Antoinette Kotze, Auteur ; Vinny Naidoo, Auteur ; Ara Monadjem, AuteurCapsule: Supplementary feeding stations provide a useful conservation benefit for vultures, without disrupting their natural movement ecology.Aims: To understand the effects of providing supplementary food on the movement ecology of vultures.Met[...]
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Ara Monadjem, AuteurSome aspects of the breeding ecology of the Chinspot Batis (Batis molitor) were studied in Mlawula Nature Reserve, northeastern Swaziland. Nests were predominantly built in thorny bushes or trees. Eggs were laid between 20 September and 2 Januar[...]
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Steven W Evans, Auteur ; Ara Monadjem, Auteur ; Lizanne Roxburgh, Auteur ; Andrew E McKechnie, Auteur ; Ellizabeth M Baker, Auteur ; Robert B Kizungu, Auteur ; Ian T Little, Auteur ; Fadzai Matsvimbo, Auteur ; Ronald K Mulwa, Auteur ; Daniel Mwizabi, Auteur ; Dianah Nalwanga, Auteur ; Kariuki Ndang'ang'a, Auteur ; Leigh Combrink, AuteurThe global Blue Swallow Hirundo atrocaerulea was classified as Vulnerable in 2010 on account of its small and rapidly declining population estimated at less than 1 500 pairs. We undertook this study to gain a better understanding of the current [...]
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Robert J. Smith, Auteur ; Julian Easton, Auteur ; Bruno A. Nhancale, Auteur ; Adrian J. Armstrong, Auteur ; James Culverwell, Auteur ; Sikhumbuzo D. Dlamini, Auteur ; Peter S. Goodman, Auteur ; Linda Loffler, Auteur ; Wayne S. Matthews, Auteur ; Ara Monadjem, Auteur ; Craig M. Mulqueeny, Auteur ; Petros Ngwenya, Auteur ; Cornelio P. Ntumi, Auteur ; Bartolomeu Soto, Auteur ; Nigel Leader-Williams, AuteurA number of global priority region schemes have been developed, but local assessments are needed to identify priority areas for conservation within these regions. Here, we describe results from a conservation assessment for Maputaland, part of a[...]
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Loth S. Mulungu, Auteur ; Themb'alilahlwa A. Mahlaba, Auteur ; Apia W. Massawe, Auteur ; Jan Kennis, Auteur ; Dieter Crauwels, Auteur ; Seth Eiseb, Auteur ; Ara Monadjem, Auteur ; Rhodes H. Makundi, Auteur ; Abdul A. S. Katakweba, Auteur ; Herwig Leirs, Auteur ; Steven R. Belmain, AuteurContext. The multimammate mouse, Mastomys natalensis (Smith, 1834), is an important agricultural pest in southern and eastern Africa where it can cause significant crop losses. Mastomys natalensis is known to consume a variety of food in respons[...]
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Ara Monadjem, Auteur ; Andrew J. Bamford, Auteur ; Maria Rasmussen, AuteurA total of 114 Marabou Stork chicks were ringed in the years 2003-2007 at the most southerly African breeding colony, Swaziland. Just one of 35 chicks fitted with colour rings was resighted by December 2007, while 17 of 79 chicks fitted with pat[...]
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Andrew J. Bamford, Auteur ; Ara Monadjem, Auteur ; Ian C. W. Hardy, AuteurCarcass utilisation by vultures may be constrained by the surrounding vegetation, as high vegetation densities may leave insufficient space for the vultures to take-off. We tested this by placing carcasses at 14 sites differing in density and he[...]
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Peter J. Taylor, Auteur ; Sarah Downs, Auteur ; Ara Monadjem, Auteur ; Seth J. Eiseb, Auteur ; Loth S. Mulungu, Auteur ; Apia W. Massawe, Auteur ; Themb'a A. Mahlaba, Auteur ; Frikkie Kirsten, Auteur ; Emil Von Maltitz, Auteur ; Phanuel Malebane, Auteur ; Rhodes H. Makundi, Auteur ; Jennifer Lamb, Auteur ; Steven R. Belmain, AuteurContext. Rodent pests severely affect crop production, particularly in monocultures where one or two rodent pest species dominate. We predict higher species richness of native small mammal species in more heterogeneous mosaic (crop-fallow-bush) [...]
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Christopher J. Swatridge, Auteur ; Ara Monadjem, Auteur ; David J. Steyn, Auteur ; Garth R. Batchelor, Auteur ; Ian C. W. Hardy, AuteurThis study aimed to identify variables that affect habitat selection and nesting success of the African Crowned Eagle Stephanoaetus coronatus, the largest forest raptor, in north-eastern South Africa. A preference for nesting in the Northern Mis[...]
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Ara Monadjem, Auteur ; Munir Z Virani, AuteurHabitat associations of birds were quantified through fixed-radius timed bird counts at Mara Naboisho Conservancy within the Greater Mara Region, Kenya. We conducted 73 timed counts in four distinct habitats (riparian, woodland, rocky outcrop an[...]
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Katharine A Howard, Auteur ; Thomas W Schwertner, Auteur ; James P Muir, Auteur ; Ara Monadjem, AuteurA decline in many African raptor populations may contribute to loss of ecosystem services such as pest control. The Black-shouldered Kite Elanus caeruleus stands out as an exception, experiencing range expansions due to its proclivity for agricu[...]
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Ara Monadjem, Auteur ; Kerri Wolter, Auteur ; Walter Neser, Auteur ; Keith Bildstein, AuteurBasic ecological information is still lacking for many species of African vultures. The Hooded Vulture Necrosyrtes monachus is known as a rare breeding resident in north-eastern South Africa. This study set out to monitor the nests of Hooded Vul[...]
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Impact of crop cycle on movement patterns of pest rodent species between fields and houses in Africa
Ara Monadjem, Auteur ; Themb'a A. Mahlaba, Auteur ; Nomfundo Dlamini, Auteur ; Seth J. Eiseb, Auteur ; Steven R. Belmain, Auteur ; Loth S. Mulungu, Auteur ; Apia W. Massawe, Auteur ; Rhodes H. Makundi, Auteur ; Katrine Mohr, Auteur ; Peter J. Taylor, AuteurContext. Rodent pests can have severe impacts on crop production in sub-Saharan Africa. In particular, the multimammate mouse Mastomys natalensis severely damages agricultural crops in southern and eastern Africa, leading to significant losses. [...]
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Ara Monadjem, Auteur ; Andrew J. Bamford, AuteurA decline in breeding success with later laying dates throughout a nesting season is a widespread phenomenon in species living in environments with distinct seasonality, with evidence that some environmental correlate of timing is at least partl[...]
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Grant R. Singleton, Auteur ; Jens Jacob, Auteur ; Charles J. Krebs, Auteur ; Ara Monadjem, Auteur
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Peter J. Haskell, Auteur ; Andrew McGowan, Auteur ; Anna Westling, Auteur ; Adriana Mendez-Jimenez, Auteur ; Christoph A. Rohner, Auteur ; Kym Collins, Auteur ; Marcela Rosero-Caicedo, Auteur ; Jodi Salmond, Auteur ; Ara Monadjem, Auteur ; Andrea D. Marshall, Auteur ; Simon J. Pierce, AuteurThe whale shark Rhincodon typus is a popular focal species in the marine tourism industry. We analysed 689 encounters with at least 142 individual sharks during 2008-2010 to assess their behaviour in the presence of swimmers at Tofo Beach, Mozam[...]
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Ara Monadjem, Auteur ; Richard C. Boycott, Auteur ; Kim Roques, Auteur ; Ray Gama, Auteur ; David Garcelon, AuteurThe Blue Swallow Hirundo atrocacridea is a globally threatened species endemic to sub-Saharan Africa. The total population breeding south of the Limpopo River (i.e. in South Africa and Swaziland) probably numbers around too pairs. A significant [...]
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Andrew J. Bamford, Auteur ; Ara Monadjem, Auteur ; Ian C. W. Hardy, AuteurThe African White-backed Vulture Gyps africanus is widely distributed across sub-Saharan Africa but populations are in decline. Loss of suitable habitat for foraging and breeding are among the most important causes, and future conservation will [...]
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Munir Virani, Auteur ; Paul Kirui, Auteur ; Ara Monadjem, Auteur ; Simon Thomsett, Auteur ; Mwangi Githiru, AuteurVulture populations have declined globally as well as regionally within Africa. Little is known about the status of the African White-backed Vulture Gyps africanus in Kenya, but ongoing studies indicate that its population has declined over the [...]
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Andrew J. Bamford, Auteur ; Maria Diekmann, Auteur ; Ara Monadjem, Auteur ; John Mendelsohn, AuteurThe Cape Vulture (Gyps coprotheres) is an obligate cliff-nesting vulture endemic to southern Africa. Its range and population size have declined markedly over the last century. Namibia has just one colony, located on the cliffs of the Waterberg [...]
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Ara Monadjem, Auteur ; Munir Z. Virani, Auteur ; Colin Jackson, Auteur ; April Reside, AuteurClimate change is predicted to have serious impacts on the conservation status of numerous species of birds, particularly low-density, range-restricted species occupying narrow habitats. One such species is the globally "Endangered" Sokoke Scops[...]
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Munir Z. Virani, Auteur ; Ara Monadjem, Auteur ; Simon Thomsett, Auteur ; Corinne Kendall, AuteurVulture populations have been declining globally and regionally within Africa. Ruppell's Vulture Gyps rueppellii is currently listed as 'Near Threatened' and numbers of the species, along with African White-backed Vultures G. africanus, have dec[...]
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Temporal and sex-specific variation in growth rates of Marabou Stork Leptoptilos crumeniferus chicks
Ara Monadjem, Auteur ; Andrew J. Bamford, Auteur ; Ian C. W. Hardy, Auteur ; Jason K. Earnshaw, Auteur ; Elaine Franklin, Auteur ; Desire L. Dalton, Auteur ; Antoinette Kotze, AuteurDans Ostrich (81(2) 2010)The nesting success of Marabou Storks Leptoptilos crumeniferus breeding in north-eastern Swaziland is closely associated with rainfall, with nests started late in the season exposed to higher rainfall and showing lower success. This may be relat[...]
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Machawe I. Maphalala, Auteur ; Ara Monadjem, AuteurPersistent vulture declines across Africa are a cause for concern as the number of species threatened with extinction increases. The White-backed Vulture Gyps africanus was, until recently, considered abundant but has been declining rapidly in r[...]
