Today we move from talking about abiotic factors to examining how biotic interactions affect community structure. We will start by examining how competition for resources has influenced population and community structure in temperate deserts and grasslands.
Powerpoint Presentation
Plant Competition in Temperate Regions
http://www.slideshare.net/secret/oDCwnUzckOmSna
Readings
Community Ecology from the Ecology Reader (EoE)
http://www.eoearth.org/article/Ecology_Reader-_Ecology_for_Teachers#Competition
Expected Learning Outcomes
By the end of this lesson a fully engaged student should be able to
1) discuss, in general, the possible influences of competition on population and community structure
2) discuss the role of competition among desert shrubs in determing patterns of spatial dispersion
3) describe Tilman's R* model of competition
4) discuss the experiments in which Tilman and Wedin tested the R* model
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