MW08012737
CIRCLE OF LIFE: THE GREATER YELLOWSTONE ECOSYSTEM - ECOSYSTEM DYNAMICS AND MANAGEMENT
This program describes ecological succession in the ecosystem with emphasis on the 1988 fires and fire ecology; positive and negative feedback; synergism; biological magnification; predator-prey population cycles; and methods of monitoring and analyzing ecosystems. The program also describes the trophic cascade in progress resulting from wolf reintroduction; the effect of "island" or fragmented ecosystems, and the famous Kelly Slide on the Gros Ventre River and its current biological status.
DVD (Closed Captioned)
Grades 9-12, College, Adult
30 minutes
2009
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