Invasive Species

Officials Say Sea Lamprey Numbers Down Across Great LakesPopulations of invasive, fish-killing sea lampreys have fallen to their lowest point in decades across the Great Lakes, showing that control measures costing millions of dollars a year are paying off, officials said Wednesday. Lamprey numbers have reached a 30-year low in Lake Huron and a 20-year low in Lake Michigan, according to the Great Lakes Fishery Commission, a U.S.-Canadian organization. Numbers also are down significantly in the other lakes.
DNR Aims For Weekend With Zero Invasive Species ViolationsThe Minnesota Department of Natural Resources is holding its annual "Think Zero" weekend to raise awareness of aquatic invasive species. The campaign aims to reduce the spread of invasive species via a weekend with zero violations.
DNR: Zebra Mussels Confirmed In Forest LakeThe presence of the invasive species zebra mussels has been confirmed in Forest Lake, the Minnesota Department of Resources announced Friday.
Agencies Release $60M Plan For Asian Carp Detection, ControlGovernment agencies plan to spend nearly $60 million over the next two years in the battle to prevent invasive Asian carp from reaching the Great Lakes, where scientists say they could unravel food chains and harm native fish.
Upper St. Anthony Falls Lock Closing To Stop Invasive CarpThe Upper St. Anthony Falls Lock will run its final cycle Tuesday night, costing Minneapolis its place as the head of navigation on the Mississippi River. Congress last year ordered the lock closed to try to stop the northward spread of invasive Asian carp up the Mississippi.
Despite Promising Treatment, Zebra Mussels Found In Christmas LakeAfter a new treatment appeared to rid Christmas Lake of zebra mussels, the Minnesota Department of Natural Resources says the invasive aquatic species is back.
Gov. Dayton Casts Out On Lake Vermilion For Fishing OpenerGov. Mark Dayton was out on the water early Saturday morning -- He was fishing with Senate Majority Leader Tom Bakk on Lake Vermilion, about 90 minutes north of Duluth, in Tower.
Christmas Lake Zebra Mussel Treatment Appears SuccessfulOfficials say initial results indicate a three-step treatment has been effective in ridding Christmas Lake in Shorewood of invasive zebra mussels. The Department of Natural Resources says divers last week found no evidence of zebra mussels where they were discovered last August in the boat launch area of the popular west metropolitan area lake.
House Budget Bill Rolls Back Invasive Species Boating RuleA House budget bill would change Minnesota's law aimed at requiring watercraft owners to get training on how to spot and prevent aquatic invasive species. The House environment finance bill slated for committee action Tuesday would repeal the requirement that boaters affix a special trailer decal they would get after completing a training course on invasive species.
DNA Tool Helping Biologists Find Elusive Or Invasive SpeciesWhen salmon, salamanders or other aquatic animals shed skin cells, they leave behind traces of their DNA in the water, like clues left behind at a crime scene.
Smart Phone App Will Help Blow Whistle On Invasive SpeciesA scientist has developed a smart phone application to help keep track of invasive species.
Obama Asks $50M Cut In Great Lakes Restoration EffortPresident Barack Obama's proposed budget for 2016 seeks a $50 million cut in a multi-year program to clean up the Great Lakes. The president's spending plan released Monday requests $250 million for the Great Lakes Restoration Initiative, down from $300 million appropriated for this year.