In late July, a team of researchers set out on the Mississippi River near La Crosse to lay a new kind of trap for invasive carp. The researchers hope it will prove to be another tool to fight the ...

Armed with a new engineering report, the Minnesota Department of Natural Resources is planning to ask lawmakers to fund a bubble barrier at the Ford Dam on the Mississippi River to slow invasive carp.

Invasive carp are not yet common so far upriver, and the agencies hope to keep it that way. The floating feeders will dispense food four times a day, then commercial fishers will go out to the feeders ...