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

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Manage episode 305111968 series 3252
Player FM과 저희 커뮤니티의 North Country Public Radio 010329 and NCPR - North Country Public Radio 콘텐츠는 모두 원 저작자에게 속하며 Player FM이 아닌 작가가 저작권을 갖습니다. 오디오는 해당 서버에서 직접 스트리밍 됩니다. 구독 버튼을 눌러 Player FM에서 업데이트 현황을 확인하세요. 혹은 다른 팟캐스트 앱에서 URL을 불러오세요.
(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.

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