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Aquatic Weed Harvester and Herbicides Dual Approach to Weed Management
Community members, government entities and water quality advocacy groups have partnered to create a plan to address curlyleaf pondweed in the Iowa Great Lakes. The group is considering weed prevention methods, mechanical removal and herbicide application for the 2018 season. The group hopes to emphasize the first two options over herbicide, as aquatic vegetation provides water clarity in the lakes. ... more >>

Dead Fish Found in Chemically-Cleaned Littoinen Lake
People fishing on Littoinen Lake in southwest Finland say they've found several smelly and deformed dead pike in recent days. Last spring the lake - which was previously oxygen-depleted and murky with green algal blooms - was chemically treated to clean it up. A specialist researcher says the chemical flush was the likely culprit behind the blistered, putrid fish. ... more >>

Organic Farm Helps Feed Red Lake Tribe Members
The Red Lake Indian Reservation hope to feed the roughly 5,000 tribal members who live there with fresh, organic produce grown on the northern Minnesota reservation. The tribe is utilizing fish guts, which are full of nitrogen as plant fertilizer. ... more >>

Fond du Lac Band Restores Wild Rice
100-acre Deadfish Lake is one of five primary wild rice lakes Fond du Lac Band of Lake Superior Chippewa maintains. Together, they provide nearly 900 acres of wild rice habitat holds special cultural significance to the Fond du Lac and other Ojibwe bands. ... more >>

Triploid Grass Carp Destroy Fishery
Caney Lake was once the hottest bass fishery on the continent until complaints about submerged aquatic vegetation by landowners led to the introduction of triploid grass carp. The carp fed on the vegetation leaving bare bottom that caused a decline in the fisher that has never again reached those historic levels. ... more >>

Water Hyacinth to Help Remove Chromium from Water
A new method for removing chromium-6, a highly toxic heavy metal, from waste water has been developed by a group of scientists from India and Ethiopia and it used water hyacinth. ... more >>

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Male Fish Mutating into Females because of Waste Chemicals - A major study in 2008 found that nearly a quarter of male roach fish taken from 51 sites on English rivers showed signs of becoming female, such as having eggs in their testicles.


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