Study to look at Great Lakes algal blooms, waterfowl

         A $2.1 million international study led by Ducks Unlimited and supported by a substantial grant from the Sunshine Charitable Foundation will connect how Great Lakes wetland habitats can reduce harmful algae blooms and improve the population of mallards, one of the region’s most important waterfowl.
        The large-scale study will guide conservation stakeholders and U.S and Canadian governmental agencies to identify wetland restoration projects that would improve water quality for the more than 30 million people who get drinking water from the Great Lakes, as well as the hundreds of species of wildlife that rely on healthy water during their lifecycles.
        This research was made possible by a $1 million grant from Denise and Dave Bunning through the Chicago-based Sunshine Charitable Foundation.
        The project will blend new technology and scientific expertise and is divided into two components, water quality research and Great Lakes mallard population status.
        “Our Great Lakes are a national gem, and further understanding how wetlands keep these waters healthy for people and wildlife is a responsibility of which Ducks Unlimited is proud to engage,” said Adam Putnam, Ducks Unlimited CEO. “The Sunshine Charitable Foundation is a champion for wetlands conservation, and we are grateful for Denise and Dave's support.”
 
Water quality research
        Research by Ducks Unlimited, Ducks Unlimited Canada and several partners will study how wetland restoration reduces agricultural phosphorus runoff fueling the harmful algal blooms that threaten economies, recreation and safe drinking water in the Great Lakes.
        Large algal bloom outbreaks in recent years threaten the livelihoods of residents who live near Lake Erie. More than $65 million in economic activity was lost due to the harmful blooms in western Lake Erie in 2011 and 2014. In 2014, the third largest Lake Erie harmful algae bloom on record made international news by shutting down the drinking water supply for hundreds of thousands of Great Lakes residents.
        “Not coincidentally, nearly 90% of wetlands in the Lake Erie Basin have been drained. Wetland restoration is a promising solution for capturing phosphorus before it enters the Great Lakes and feeds harmful algal blooms,” said Dr. John Coluccy, DU’s director of conservation planning for the Great Lakes.
        This project will evaluate how much phosphorus is being removed at more than a half-dozen previously restored DU conservation projects, and establish a model allowing conservation experts to create maps predicting the best wetland locations to remove the pollutants.
        The water quality study has numerous collaborators and funding sources, including:
        •Ducks Unlimited
        •Ducks Unlimited Canada
        •University of Waterloo
        •Ontario Ministry of Natural Resources & Forestry
        •Clair Region Conservation Authority
        •Michigan Department of Environment, Great Lakes, and Energy
        •Michigan Department of Natural Resources
        •H2Ohio
        •Lake Erie Aquatic Research Network
        •Ohio Department of Natural Resources
        •Great Lakes Mallard Study
        This waterfowl-focused research will help scientists determine why the Great Lakes mallard population has declined in recent years. Breeding mallards in Michigan have dropped from a peak of over 500,000 to just under 200,000, and trends in Wisconsin and Minnesota are similar.
        Waterfowl biologists in the Great Lakes states are at a loss to explain the decline, especially when scientists have seen ideal regional breeding habitat go unoccupied.
        “Hunters who enjoy the outdoors generate an estimated $1.4 billion in revenue for Mississippi Flyway states, and mallards are one of the most popular game birds sought by waterfowlers,” said DU Chief Conservation Officer Karen Waldrop. “Boosting mallard populations will ensure a steady flow of tax revenue from hunter activity and conservation dollars derived from hunting licenses.”
        Michigan State University, in partnership with Mississippi Flyway states and non-profit organizations like DU, will use cutting-edge Global Position System (GPS)/Global System for Mobile Communications (GSM) transmitter technology to study the movement, habitat selection and productivity of Great Lakes mallards.
        In spring, before nesting and before the hunting season, researchers will mark a minimum of 350 female mallards from across the Great Lakes region with solar-powered transmitters that download data using cell phone technology. This technology will allow researchers to document movements and habitat use, estimate the number of mallards that return to the same breeding, staging and wintering areas and estimate survival and productivity rates.
        Information from this study will inform recommendations regarding habitat programs and harvest management to assist with breeding mallard population recovery in the Great Lakes region.
        Project collaborators include:
        •Michigan State University
        •Wisconsin Department of Natural Resources
        •Canadian Wildlife Service
        •Illinois Natural History Survey
        •Illinois Department of Natural Resources
        •Indiana Department of Natural Resources
        •Michigan Department of Natural Resources
        •Ohio Department of Natural Resources
        •Ontario Ministry of Natural Resources & Forestry
        •U.S. Fish & Wildlife Service
        •Winous Point Marsh Conservancy
        The studies are expected to begin this spring. Ducks Unlimited Inc. is the world's largest nonprofit organization dedicated to conserving North America's continually disappearing waterfowl habitats.
 
       

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