Download Carnivore Ecology in Arid Lands by Jacobus du P. Bothma PDF

By Jacobus du P. Bothma

Arid lands require that organisms inhabiting them be well-adapted to thrive or maybe simply to continue to exist. This e-book offers a overview of the ecological diversifications - be they behavioural, physiological or morphological - of carnivores to arid environments. Following a normal creation into aridity and arid lands in Africa, the foremost carnivore households are awarded. Ecological variations of carnivores in arid lands exhibit the amplitude and resilience of the ecology of those animals. In developing conservation measures, the character and volume of such variations are vital elements in picking the powerful quarter and measure of heterogeneity required as habitat via a carnivore inhabitants with a purpose to produce a workable unit.

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Extra resources for Carnivore Ecology in Arid Lands

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In summer, activity only starts late in the afternoon (Bothma et al. 1984). They are strictly nocturnal and are only rarely seen by day. When they are seen, it is only late in the afternoon (Bothma 1966; Bothma et al. 1984). 8 days. 4 km 2 used at night does overlap between different pairs . 1 km 2 (Lindsay and Macdonald 1986). 5 km 2 (Lindsay and Macdonald 1986). The small fennec fox is an agile and vigilant animal well-adapted to life in a severe environment. It is nocturnal and lives in small groups in the deserts of North Africa and the Sinai and Arabian Peninsulas (Von Gauthier-Pilters 1967; Muller-Using 1975; Walker 1983; Carlstead 1991).

5 Water Use and Adaptive Physiology Terrestrial carnivores are generally independent of free water, but drink water when it is available. Many canids live on pre-formed water, and the water obtained through metabolism. This, however, requires more prey than that needed to provide energy alone. 1984). In the Namib Desert, where dense fog occurs routinely, black-backed jackals lick condensed fog from rocks and vegetation (Hiscocks and Perrin 1987). The fennec fox, which lives in dry, inhospitable areas of the Sahara, Sinai and Arabian deserts, can subsist without free water for long periods.

In the Serengeti National Park, bat-eared foxes forage mainly at night, but they may also do so on cool afternoons. Communal foraging by family units is common. This functions as anti-predator behaviour. When foraging, a bat-eared fox will hold its head low,with the ears pointed forward at an angle of 45°. The ears invariably flip back when prey has been captured, but as soon as chewing starts, they move forward again (Nel 1978). The presence of termites on the surface of Nxai Pan around noon, makes it unnecessary for the bat-eared foxes there to dig for prey.

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