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Unformatted text preview: organisms 2. Trophic Structure a. Plant-herb, predator-prey, host-parasite interactions b. Energy flow and nutrient cycling 3. Species Richness – number of species in the community, Abundance, and Diversity a. Evenness Value – how similar are the number of individuals among the species present b. Species Richness + Evenness = Diversity c. Abundance is not always a measure of importance d. Dynamic Equilibrium Hypothesis – species diversity is maintained or is high based on the occurrences of disturbances that prevent competitive exclusion from occurring so species that are poor competitors remain in the community 4. Stability a. Type of community and nature of disturbance...
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This note was uploaded on 01/31/2011 for the course BS 110 taught by Professor S.lawrence during the Fall '07 term at Michigan State University.
- Fall '07