Midwest battles to keep invasive Asian carp out of the Great Lakes
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- เผยแพร่เมื่อ 5 ม.ค. 2019
- Asian carp are invasive fish that grow fast, jump high and have taken over large swaths of the Mississippi watershed. And now, state and federal governments are worried the Great Lakes are next. On everything from electric fences to contracted fishing programs, NewsHour Weekend's Megan Thompson reports on efforts to keep them out.