Download Autecology: Organisms, Interactions and Environmental by Gimme H. Walter, Rob Hengeveld PDF

By Gimme H. Walter, Rob Hengeveld

This booklet spells out the theoretical constitution, method and philosophy of the technological know-how of autecology. The autecological procedure makes a speciality of the interactions of person organisms (and their species-specific diversifications) with the spatio-temporal dynamics in their surroundings as a foundation for studying styles of variety and abundance in typical platforms. This organism-based method of ecological Read more...

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Therefore movement, as an interaction, needs to be brought into ecological theory rather than being developed as an adjunct aspect to ecology. Indeed, general theory in ecology has consistently failed because the movement of organisms has not been included centrally in the theory, not even in metapopulation theory, despite the appreciation of all organisms having an “innate tendency toward dispersal” over half a century ago (Andrewartha and Birch 1954, p. 90). iv) The responses of many organisms to their environment, for a variety of purposes, relies on them obtaining information (or sensory input) from their surrounds, and responding appropriately to that (Dusenbery 1992).

Basic Ecological Processes and the Autecological Generalization 37 Additional tests showed that the flies, indeed, do not take up yeast cells, pollen grains or other relatively large particles. They do, however, take up Enterobacteriaceae and dissolved sugars. They evidently take up the bacteria from the leaf surface by suspending them in the liquid they “regurgitate” onto a likely surface and then re-imbibing it together with its newly acquired suspension of bacteria. Much of the feeding ecology of adult tephritids remains to be discovered, but we now know where to look and what to test (Raghu et al.

The former view suggests that effective mechanisms are largely stabilized by selection (as expanded in Chapters 5 and 6). The latter sees organisms under continuous directional selection for enhanced “efficiency”, but without a direct link to the mechanistic basis of the interaction ever being considered (Finlay-Doney and Walter 2012a). vi) Stochastic influences intrude in virtually all ecological processes, usually at each step in the process (as expanded in Chapter 9), and are likely to be misrepresented when portrayed as an average value in deterministic equations like the logistic equation.

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