Video Assignment
"Biodiversity"

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1. What is the "portfolio effect"?

 

2. Describe how more diverse ecosystems promote stability when exposed to a disturbance.

 

3. How does the dilution effect and species richness affect human exposure to Lyme disease?

 

4. How does forest fragmentation affect Lyme disease risk?

 

5. Why is the present human-caused species extinction of particular concern?

 

 

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For Citation: Ritter, Michael E. The Physical Environment: an Introduction to Physical Geography.
2006. Date visited.  http://www.uwsp.edu/geo/faculty/ritter/geog101/textbook/title_page.html

© 2003-2008
Michael Ritter (tpeauthor@mac.com)
Last revised 06/21/07