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Articles written by Minnesota Department Of Natural Resources

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  • Emerald ash borer threatens northern Minnesota

    Minnesota Department of Natural Resources|Nov 24, 2023

    With close to a billion ash trees in the state, the non-native emerald ash borer (EAB) insect threatens trees across Minnesota, but especially the northern part of the state. A wood borer that feeds in the phloem and disrupts the movement of nutrients, EAB infestation results in eventual mortality of a tree. The first discovery of EAB in Minnesota was in 2009 in St. Paul. It has now spread to 45 counties throughout Minnesota, including Duluth in St. Louis County in late 2015 and Carlton County in April 2022. Recently, EAB was found in Cass... Full story

  • Fish diversity and habitat

    The Minnesota Department of Natural Resources|May 12, 2023

    All fish have value whether or not anglers typically pursue them. Native fish species benefit their ecosystems and the DNR is bringing more attention toward, and focus on, responsibly managing native fish species. Although not every kind of fish lives everywhere, 162 species of fish can be found in Minnesota waters. Walleye are the most sought-after fish in Minnesota, followed by crappie, then sunfish, northern pike and bass, and all these are native to Minnesota. But there is a whole array of other fish that anglers try to catch, or sometimes... Full story

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