Seed addition - PowerPoint PPT Presentation

Herbivory

Herbivory. Peter B. McEvoy Ent 420/520 Insect Ecology. Outline. Plants as food and habitat for insects Effects of plants on insect populations Food quantity Food quality Complex patterns of spatial and temporal correlation Effects of insects on plant populations Coevolution

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Results from Midterm I

Results from Midterm I. A B C D F. Mean = 23.4 Minimum score = 9 Maximum score = 37. How do individuals figure out where in space they should be?. What should be the criterion of decision making? I.e. based on what value are habitats compared?

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PROJECT SUMMARY

700. 600. Spring 00-07. 500. -F-S. 400. -F+S. Standing crop (g m 2 ). +F-S. 300. +F+S. Fall 2007. 200. -F+S. -F-S. 100. 0. 2001. 2002. 2003. 2004. 2005. 2006. 2007. Seeds. No seeds. 25.0. 20.0. 15.0. 10.0. 5.0. 0.0. 2001. 2002. 2003. 2004. 2005. 2006. 2007.

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171 views • 1 slides

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