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Natural Fisheries manager Brad Parsons holds a 27-pound bighead carp at the Department of Natural Resources headquarters in St. Paul. The 34-inch carp is among several invasive species that could cause serious damage to Minnesota’s aquatic ecosystems. AP Photo/St. Paul Pioneer Press, Richard Marshall

Asian carp are back on radar for Minnesota lawmakers


ST. PAUL — Three options appear viable to help stop the advance of Asian carp into Minnesota, but after years of talk disputes remain about how to best halt the invasion.

Legislators on the House environment committee Tuesday criticized the Department of Natural Resource’s preferred barrier, a combination of light, sound and bubbles that one lawmaker called disco (because of the light and sound) and one called the Lawrence Welk method (due to the sound and bubbles).

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