Some Animals Are More Equal than Others: Keystone Species and Trophic Cascades
19:29
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Some Animals Are More Equal than Others: Keystone Species and Trophic Cascades
The short film opens with two questions: “So what determines how many species live in a given place? Or how many individuals of the species can live somewhere?” The research that provided answers to these questions was set in motion by key experiments by ecologists Robert Paine and James Estes. Robert Paine’s starfish exclusion ...
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