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Summary

Ecosystems are collapsing and Dave Foreman is working to return large carnivores, "keystone species," like the wolf and the jaguar to the American West. Native American Dennis Martinez is a restorative ecologist, who would say the true "keystone species" has traditionally been indigenous humans.

Duration: 30 minutes (00:29:47)
Publishing date: 2000-10-19; Unabridged; Copyright Year: — Copyright Statment: —

• Science & Technology