Download Animals' Influence on the Landscape and Ecological by Friedrich-Karl Holtmeier PDF

By Friedrich-Karl Holtmeier

In its first English-language variation, this publication introduces the many-faceted interactions of animal populations with their habitats. From soil fauna, ants and termites to small and big herbivores, burrowing mammals and birds, the writer offers a accomplished research of animals and ecosystems that's as wide and sundry as all nature. bankruptcy 2 addresses the practical function of animals in panorama ecosystems, emphasizing fluxes of power and subject inside and among ecosystems, and the consequences of animals on qualitative and structural habitat swap. dialogue contains chapters at the function 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 corresponding to the larch bud moth in Switzerland, the mountain pine beetle and the African red-billed weaver poultry are defined and analyzed. different chapters talk about Zoochory – the dispersal of seeds through ants, mammals and birds – and the impact of burrowing animals on soil improvement and geomorphology. attention extends to the impression of feral household animals. bankruptcy five makes a speciality of difficulties due to 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 via animals. the writer additionally addresses keystone species reminiscent of kangaroo rats, termites and beavers. bankruptcy 6 addresses the position of animals in panorama administration and nature conservation, with chapters at the influence of newcomer species similar to animals brought into Australia, New Zealand and Europe, and the results of reintroduction of species to unique habitat. It additionally discusses the sporting means of average 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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Eine Tierartenklassifizierung als Basis für biotopbezogene ökofaunistische Zustandsanalysen und Bewertungen. Zeitschrift für Ökologie und Naturschutz, 6, 151–168. Schweinfurth, U. (1966). Neuseeland, Beobachtungen und Studien zur Pflanzengeographie und Ökologie der antipodischen Inselgruppe (Bonner Geographische Abhandlungen 36). Bonn: Ferdinand Dümmler’s Verlag. Schwerdtfeger, F. (1968). Demökologie: Ökologie der Tiere (Vol. II). Hamburg/Berlin: Parey.  J. (1974). Contemporary research themes in the cultural geography of domesticated animals.

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Excreta, nesting material and mortal remains of the animals accumulated under the trees considerably enrich the amount of nutrients. Concentrations of nitrogen and potassium were found to be double as high under the trees as compared to the surrounding oligotrophic grassland. Phosphorus content was even two-and-a-half-fold higher than in the grasslands. Enrichment of nutrients as well as the shade given by tree canopies facilitate the establishment of plants producing fleshy fruits, of which the seeds have reached such places by frugivorous animals.

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