Natural Selections: "Couch potato" bass evolving in response to human predation

21/10/2021
Natural Selections: "Couch potato" bass evolving in response to human predation

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Episode Synopsis

(Oct 21, 2021) The pressure to keep billions of humans fed can have a transformative impact on amimal populations. Overharvesting that targets the largest animals can result in reduction of the average size of species, as seen in Caribbean conch snails. And sport-fishing pressure on large mouth bass can winnow out the most agressive in the gene pool, resulting in a "lazier," more passive remnant population.

Martha Foley and Curt Stager talk about the human factor in animal evolution. [full story]

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