16+BIOL1510+F10+community+ecology+1

16+BIOL1510+F10+community+ecology+1 - 16 Community Ecology...

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Biology 1510 Fall 2010 1 16 Community Ecology 1 27 September 2010 Dr. Chrissy Spencer
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Biology 1510 Fall 2010 2 Community Ecology The study of the interactions among species living in a particular geographic area. Ecological interactions. Resources. Niches. Competition. Predation. Keystone species. Campbell & Reece, Fig. 54.08
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Biology 1510 Fall 2010 3 Species Diversity The Shannon Index (H) = -∑ (p i )ln(p i ) H = 1.39 H = 0.71 Species richness & relative abundance both matter
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Biology 1510 Fall 2010 4 Ecological Interactions Effects of interactions on the participants define the nature of the interaction.
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5 Resources Any factor that can lead to population growth and whose availability is reduced by use. e.g., space, nutrients, and access to light. Limiting resource: the resource that runs out first and whose availability therefore limits population size. Not all environmental factors are resources. Weather, pH (not a resource, just a factor), Oxygen
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This note was uploaded on 10/14/2010 for the course BIO 1510 taught by Professor Unknown during the Fall '07 term at Georgia Tech.

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16+BIOL1510+F10+community+ecology+1 - 16 Community Ecology...

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