Minnesota DNR taking aggressive action on invasive carp The Minnesota Department of Natural Resources, in partnership with the Wisconsin Department of Natural Resources, the U.S. Geological Survey and the U.S. Fish and Wildlife Service, is taking further action following the capture of 34 silver carp in Pool 8 of the Mississippi River near La Crosse, Wis. during a recent Modified Unified Method operation. Next steps include increased commercial netting operations, tracking tagged carp, and perhaps another Modified Unified Method operation in the Mississippi River. The USGS-developed Modified Unified Method combines netting and herding techniques to drive and concentrate invasive carp from a large area of water into a small zone for removal. Thirty-one silver carp were captured during the five-day operation earlier this month and three more were captured during follow-up work.