Resource partitioning among cape foxes, bat-eared foxes, and black-backed jackals in South Africa

Cape foxes (Vulpes chama) and bat-eared foxes (Otocyon megalotis) are sympatric with black-backed jackals (Canis mesomelas) over much of southern Africa, although competition with and/or predation by jackals may suppress local populations of both fox species. From 2005 to 2008, we captured, radio-co...

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Veröffentlicht in:	The Journal of wildlife management 2012-08, Vol.76 (6), p.1241-1253
Hauptverfasser:	Kamler, Jan F., Stenkewitz, Ute, Klare, Unn, Jacobsen, Nicolas F., Macdonald, David W.
Format:	Artikel
Sprache:	eng
Schlagworte:	Animal populations Animals bat-eared fox black-backed jackal Canis mesomelas cape fox Carnivores Chama Ecological competition Foxes Habitat conservation Habitat selection Habitats interspecific killing Jackals Local population Management and Conservation Niche differentiation Otocyon megalotis Predation Resource partitioning Small mammals South Africa Vulpes Vulpes chama Wildlife Wildlife management
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Beschreibung
Zusammenfassung:	Cape foxes (Vulpes chama) and bat-eared foxes (Otocyon megalotis) are sympatric with black-backed jackals (Canis mesomelas) over much of southern Africa, although competition with and/or predation by jackals may suppress local populations of both fox species. From 2005 to 2008, we captured, radio-collared, and monitored 11 cape foxes, 22 bat-eared foxes, and 15 black-backed jackals on a game ranch in South Africa to investigate their spatial, habitat, temporal, and dietary resource overlap. Mean annual home-range sizes were 27.7 km2 for cape foxes, 5.0 km2 for bat-eared foxes, and 17.8 km2 for jackal family groups. Home ranges overlapped completely between species, although core areas overlapped less (
ISSN:	0022-541X 1937-2817
DOI:	10.1002/jwmg.354