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the-bigger-picture · earth-matters · 22 Jun 2015 · 02:00 pm · 25 mins listen
Eminent biologist Professor John W. Terborgh has to his credit a lifetime of major contributions to tropical ecology, biogeography and biological conservation.
The Director of the Center for Tropical Conservation at Duke University, he discusses trophic cascades, which is the top-down regulation of ecosystems by predators, and to explain what they are, how they work and why they matter.
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