Archive for Species Specific News

Zebra mussels found in Minnesota’s George Lake

The Minnesota Department of Natural Resources has confirmed zebra mussels in George Lake, near Spicer in Kandiyohi County. A lake property owner contacted the DNR when he found two zebra mussels on a dock he was removing from the lake. A neighbor reported a single zebra mussel on another dock nearby. DNR invasive species specialists […]

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Sea lamprey numbers up in Lake Superior

The population of blood-sucking, fish-killing sea lamprey in Lake Superior is going up, the Great Lakes Fishery Commission reported Thursday. The commission said lamprey numbers are down in lakes Michigan, Huron and Ontario but up in Erie as well as Superior. And they aren’t sure why the Lake Superior lamprey population is more than double […]

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Invasive earthworms erode soil biodiversity

Biological invasions pose a serious threat to biodiversity and ecosystem functioning across ecosystems. Invasions by ecosystem engineers, in particular, have been shown to have dramatic effects in recipient ecosystems. For instance, invasion by earthworms, a below-ground invertebrate ecosystem engineer, in previously earthworm-free ecosystems alters the physico-chemical characteristics of the soil.  Click on the following sentence […]

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Zebra mussels confirmed in Minnesota’s Elk Lake

Zebra mussels have been confirmed in Elk Lake near Hoffman in Grant County, the Minnesota Department of Natural Resources said Thursday. The state and lake associations have been trying to prevent the spread of the invasive, sharp mussels, which can compete with native fish for food and habitat, cut feet, harm boat motors and damage […]

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Clarkson University Leading Upstate New York’s Norwood Lake Invasive Watermilfoil Eradication Project

The New York State Department of Environmental Conservation has awarded Clarkson University researchers a three-year grant worth $58,554 to determine an environmentally sustainable approach to controlling invasive watermilfoil with an ultimate aim to eradicate it from the Raquette River watershed. Eurasian watermilfoil and variable leaf watermilfoil are two plants with the ability to spread rapidly […]

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Hunt for green crab winding down for winter

In the coming week resource managers on the Dungeness Spit look to wrap up their season’s hunt for the invasive European green crab. The crabs were discovered last April on Graveyard Spit north of Dungeness Landing, and now total 93 green crabs — 54 males and 39 females — as of Sept. 21. Lorenz Sollmann, […]

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Flying fish have landed

Alien flying fish have invaded our Mississippi River waters. These scaly aviators are not raiders from Mars; they came from Asia. The silver carp is notoriously known as the flying fish that leaps out of the water when disturbed by passing watercraft. Hundreds of fish may jump towards the sky in unison, hurdling 10 feet […]

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Carp, clams and crested floating-hearts: Louisiana on alert for invasive species

Hurricane Harvey flushed thousands of people from their homes in southeast Texas. It might also have flushed common carp, Asian clams and a flower called the crested floating-heart across the Texas boarder into Louisiana. That’s the premise behind a new web-based application developed by the U.S. Geological Survey to track invasive species. It assumes that Harvey’s floodwaters created news pathways by which aquatic […]

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