By Jacobus du P. Bothma
Arid lands require that organisms inhabiting them be well-adapted to thrive or perhaps simply to live on. This e-book offers a overview of the ecological diversifications - be they behavioural, physiological or morphological - of carnivores to arid environments. Following a normal advent into aridity and arid lands in Africa, the key carnivore households are offered. Ecological variations of carnivores in arid lands display the amplitude and resilience of the ecology of those animals. In constructing conservation measures, the character and volume of such diversifications are very important features in deciding on the powerful zone and measure of heterogeneity required as habitat by means of a carnivore inhabitants that allows you to produce a workable unit.
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Extra resources for Carnivore Ecology in Arid Lands
Nevertheless, caching is unusual. On all known occasions, these caches were made when the adults returned to the breeding dens after feeding. A food cache mayor may not be covered with vegetation and soil. Caching only seems to occur when the pups are small, and the wild dogs do not range as widely as they normally will do (Macdonald 1976; Malcolm 1980). Such conditions might occur in most prey-poor regions. Despite the highly cooperative hunting and feeding of young, individual wild dogs do not share cached food with other members of the pack (Malcolm 1980).
The seal colonies of this harsh desert coast provide an abundant and predictable food resource throughout the year for black-backed jackals and 30 Family Can idae other carnivores such as the brown hyaena Parahyaena brunnea. Jackals regularly kill seal pups too (n = 47 scats) (Hiscocks and Perrin 1987). Elsewhere along the coast, the washed-up carcasses of fishes and other marine animals are eaten. The jackals are even known to enter temporary lagoons of the major rivers after flooding to catch live mullet fish MugU cephalus trapped in the shallows by the receding water (n = 234 scats) (Nel and Loutit 1986).
1984). However, in the Ngorongoro Crater, the spotted hyaena is a major competitor of the wild dog, being capable of driving small packs from their prey (Estes and GoddardI967). In contrast, spotted hyaenas in southwestern Kenya are absent from 59% of all wild dog kills, and when present, are usually attacked and chased away by the dogs . No wild dog kills are appropiated by spotted hyaenas when prey is abundant, although they are scavenged after the dogs have left. When prey is abundant, the spotted hyaenas harass the dogs less often than when it is scarce.