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Groundwater and Species at Risk (Pilot Study)

We designed a simple choice experiment to demonstrate the relationship between groundwater seepages and persistence of threatened black redhorse (Moxostoma duquesnei) populations in the Grand River, Ontario.  Using a randomized block design we tested habitat preferences relative to the influence of groundwater for juvenile black redhorse and greater redhorse (Moxostoma valenciennesi).  Future studies will include working with the threatened silver shiner (Notropis photogenis).


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