Get Analytical Biogeography: An Integrated Approach to the Study PDF

By A. A. Myers, P. S. Giller (auth.), Alan A. Myers, Paul S. Giller (eds.)

ISBN-10: 0412400502

ISBN-13: 9780412400506

ISBN-10: 9400904355

ISBN-13: 9789400904354

Biogeography should be outlined easily because the research of the geographical distribution of organisms, yet this easy defmition hides the nice complexity of the topic. Biogeography transcends classical topic components and comprises a number of medical disciplines that comes with geogra­ phy, geology and biology. no longer unusually, hence, it ability quite various things to diverse humans. traditionally, the examine of biogeogra­ phy has been centred into cubicles at separate issues alongside a spatio-temporal gradient. At one finish of the gradient, ecological biogeography is anxious with ecological strategies happening over brief temporal and small spatial scales, while on the different finish, old biogeography is anxious with evolutionary methods over thousands of years on a wide, frequently worldwide scale. among those finish issues lies a 3rd significant compartment excited about the profound results of Pleistocene glaciations and the way those have affected the distribution of contemporary organisms. inside each one of those booths alongside the size gradient, a number of theories, hypotheses and types were proposed in an try and clarify the current and previous biotic distribution styles. To a wide quantity, those booths of the topic were non-interactive, that is comprehensible from the several pursuits and backgrounds of many of the researchers. however, the distribu­ tions of organisms around the globe can't be absolutely understood with no wisdom of the whole spectrum of ecological and ancient methods. There are not any levels in biogeography and this present day' s biogeographers are basically born out of a few different discipline.

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Additional resources for Analytical Biogeography: An Integrated Approach to the Study of Animal and Plant Distributions

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In particular, it offers hypotheses about how organisms colonize and occupy territory, as discussed in Chapter 15, though it seems to be potentially applicable to two distinct biogeographical conditions. In the first, it might explain how one or more species colonize an area previously uninhabited by those particular species, though other species may be there in the first place. In the second, it provides hypotheses about how species repopulate an area recently devastated by events like a hurricane or forest fire.

Its means of surviving in the presence of other organisms and in relation to physical and chemical environmental factors (Chapters 6 and 9). Ecophysiology is not of itself biogeographical however, because an organism does not respond to geography per se. It acquires a geographical dimension only when related to the geographical limits of a taxon's environmental tolerances. Environmental processes operate on every spatial scale from microhabitat to global, though it is only the larger scales that are directly relevant to biogeography.

Too little knowledge of processes probably leads to an overloading of assumptions. Scenarios and models dominate when there is deadlock in trying to bring coherence to theory, observation, pattern and process - a state of affairs which has certainly afflicted historical biogeography. Explanations Even in an investigative context, there is a need for explanation. Investigation and explanation are not in themselves mutually exclusive. It is the way in which explanation is introduced that matters.

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Analytical Biogeography: An Integrated Approach to the Study of Animal and Plant Distributions by A. A. Myers, P. S. Giller (auth.), Alan A. Myers, Paul S. Giller (eds.)

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