By Friedrich-Karl Holtmeier
In its first English-language variation, this e-book introduces the many-faceted interactions of animal populations with their habitats. From soil fauna, ants and termites to small and massive herbivores, burrowing mammals and birds, the writer offers a accomplished research of animals and ecosystems that's as huge and sundry as all nature. bankruptcy 2 addresses the useful position of animals in panorama ecosystems, emphasizing fluxes of strength and subject inside of and among ecosystems, and the results of animals on qualitative and structural habitat switch. dialogue contains chapters at the position of animal inhabitants density and the affects of local herbivores on crops and habitats from the tropics to the polar areas. Cyclic mass outbreaks of species equivalent to the larch bud moth in Switzerland, the mountain pine beetle and the African red-billed weaver chicken are defined and analyzed. different chapters talk about Zoochory – the dispersal of seeds by way of ants, mammals and birds – and the effect of burrowing animals on soil improvement and geomorphology. attention extends to the impression of feral family animals. bankruptcy five specializes in difficulties caused by creation of alien animals and from re-introduction of animal species to their unique habitats, discusses the consequences on ecosystems of burrowing, digging and trampling by way of animals. the writer additionally addresses keystone species equivalent to kangaroo rats, termites and beavers. bankruptcy 6 addresses the function of animals in panorama administration and nature conservation, with chapters at the effect of newcomer species comparable to animals brought into Australia, New Zealand and Europe, and the implications of reintroduction of species to unique habitat. It additionally discusses the wearing potential of normal behavior, public attitudes towards dialog and extra. the ultimate part ponders the results of weather on interactions among animals and their habitats.
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Additional info for Animals' Influence on the Landscape and Ecological Importance: Natives, Newcomers, Homecomers
This book is neither a textbook nor a hand book reflecting the state of the art. The idea behind it is to introduce students and other interested readers into an extremely complex and interesting set of problems. While system analysts preferably consider the role of animals in energy fluxes, this book focuses mainly on other aspects, as for example on animals’ influences on distribution patterns and composition of vegetation, on soils and geomorphic processes, as well as on the particular function of keystone species.
Large numbers of lesser snow geese (Chen c. caerulescens), for example, have lasting effects on composition and structure of plant communities and nutrient cycles in their breeding areas on the west coast of Hudson Bay (Bazely and Jefferies 1988; Kerbes et al. 1990) where they stay during summer. They have been considered a keystone factor in these places. Lesser snow geese traditionally grazed during summer in the intertidal salt marsh on the shore of La Pérouse Bay. Numbers of lesser snow geese have dramatically increased in the last decades, however, mainly due to changes in agricultural practices and easily available energy-rich food in their wintering habitats and along their migration routes (Ngai and Jefferies 2004).
Modification of ecosystems by ungulates. Journal of Wildlife Management, 60(4), 695–713. W. ). (1996). The ecology and management of grazing systems. Wallingford: CAB International. , & Scheibe, K. (1998). Wiedererstehen des postglazialen Großsäugerspektrums als landschaftsgestaltendes Multi-Spezies-System: ein Pilotversuch zur “Redynamisierung” halboffener Landschaften. Schriftenreihe für Landschaftspflege und Naturschutz, 56, 301–315. J. (1995). Geoecology, an evolutionary approach. London/New York: Routledge.