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BIOL211#26 - Chapter 58 Community Ecology A community is an...

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1 Chapter 58 Community Ecology A community is an assemblage of many populations that live in the same place at the same time Communities can occur on a wide range of scales A community can be nested within another community Views of Communities Ecologists have long held differing views concerning community structure Organismic model Views a community as a superorganism Individualistic model Views a community as an assemblage of species distributed independently along an environmental gradient Principle of species individuality Each species is distributed according to its physiological needs and population dynamics Most communities intergrade, or merge into one another gradually Competition does not create distinct vegetational zones Principle of species individuality Figure 58.1
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