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Game and Fish Exploring Ways to Address Algae at Renner Reservoir
Whether you visited Renner Reservoir for the first or 10th time this summer, you probably noticed a branchy, aquatic algae called chara covering the bottom of the reservoir.

Compared to other aquatic plants, which are referred to as macrophytes, chara forms denser mats offering less habitat for fish and a less palatable meal for invertebrates.  At high enough densities, chara can have negative ecological impacts on aquatic environments and be a nuisance to boaters and anglers. 

Game and Fish explored an option to address this problem by treating two small portions of the reservoir with an algaecide. The goal of the treatment was to learn what tools might effectively control the overabundant macroalgae.



 
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Gender-bending Chemicals in Water Supply - Researchers from the University of Calgary sampled populations of longnose dace, a silvery minnow, in Alberta’s Oldman and Bow Rivers. The Bow River flows through downtown Calgary and supplies its drinking water. Samples were taken back to the lab and dissected for further analysis and biologists then noticed that the random catch was overwhelmingly female.


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