An isoclinal approach to the comparative statics of biological communities |
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Authors: | Grant G Thompson W Michael Booty William J Liss Charles E Warren |
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Institution: | (1) Oak Creek Laboratory of Biology, Department of Fisheries and Wildlife, Oregon State University, 97331 Corvallis, OR, U.S.A.;(2) Present address: Resource Ecology and Fisheries Management Division, Northwest and Alaska Fisheries Center, 7600 Sand Point Way NE, 98115-0070 Seattle, WA, U.S.A. |
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Abstract: | An understanding of the comparative statics of biological communities is important both as a means of explaining the long-term
effects of changes in environmental conditions, and as a framework for viewing community time trajectories. A general formulation
of community dynamics is presented here which, given full information about a particular community's dynamic behavior, describes
the impact of a change in environmental conditions on the community steady state. However, since such full information is
often lacking in studies of biological communities, various approaches to partial information analysis of comparative statics
are presented and compared, including a generalized protocol for isocline analysis. The suggested isocline protocol is shown
to be a useful tool for both full and partial information analyses, as well as for both general and partial equilibrium studies.
This work was supported over several years through funding from the International Biological Program, the Oregon State University
Sea Grant College Program, the U.S. Environmental Protection Agency, the U.S. Forest Service, the Electric Power Research
Institute, and the Northwest and Alaska Fisheries Center. |
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