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Bats of southern and central Africa: a biogeographic and by Ara Monadjem

By Ara Monadjem

The ebook comprises numerous man made chapters at the evolution, biogeography, ecology and echolocation of bats. Species bills supply details on quite a lot of organic themes and contain colour images of bats (82 species), cranium and dental images (85 species) and actual time-expanded echolocation name spectrograms (56 species). identity is aided by means of precise personality matrices (an said development on dichotomous keys), that are precious for identity within the box in addition to from museum voucher specimens.

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Hollow-roosting bats Hollow-roosting bats occupy underground caves, hollows in trees, and anthropogenic hollows such 24 BATS OF SOUTHERN AND CENTRAL AFRICA Figure 13. ; M in hollow boles high up in tree, Mops condylurus and M. niveiventer; N under exfoliating bark, Chaerephon nigeriae; O in narrow holes, small-bodied Molossidae (modified after Verschuren (1957a) and Brosset (1966a) with addition of unpublished data, F. P. D. Cotterill). as roofs and basements of houses, tunnels or cavities in dam walls, and abandoned mine shafts (Kunz and Lumsden 2003).

Figure 22. View north along the western escarpment of the Tanganyika graben, northeastern Zambia, illustrates the dramatic topography expressed along the East African Rift System (EARS). The vegetation is dominated by miombo woodland, with gallery and scarp forest, and also includes Itigi thicket on the valley floor (© F. P. D. Cotterill). Drainage systems The modern hydrology of southern Africa is dominated by several major drainage basins, with the Congo and Cuanza basins in the extreme north, the Zambezi and Limpopo rivers, which drain eastwards into the Indian Ocean, and the Kunene and Orange-Vaal systems that drain west into the Atlantic (Figure 23).

1960). Mosquitoes have been found in the diet of certain species of bats worldwide, BAT BIOLOGY 23 but a priority for research is to establish their importance in the diet of southern African bats. Fruit bats also bring important ecological and economic benefits. Research sponsored by Bat Conservation International has shown that the seed dispersal and pollination activities of fruit-eating bats are vital to the survival of equatorial and tropical rain forests. Some 300 plant species in the Old World tropics alone depend on bats for pollination or seed dispersal or both, providing more than 450 economically important products valued at hundreds of millions of US dollars annually (Fujita and Tuttle 1991).

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