Research Spotlight

  

Sea lamprey 2

Sorting out sea lampreys in the Great Lakes

March 25, 2019 — by Harry Seely, BSc student Atlantic sea lamprey (Petromyzon marinus) are an invasive species in the Laurentian Great Lakes and since their introduction, have required significant management and control practices to reduce their impact on native fish communities.  Lamprey are parasitic organisms that attach to a host fish and feed on its body fluids. Sea lamprey are native to the...

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Lab_procedures

Taking biodiversity monitoring to the next level: Environmental DNA as a predictor of aquatic organism abundance

January 11, 2019 — Taking biodiversity monitoring to the next level: Environmental DNA as a predictor of aquatic organism abundance January 11, 2019 By Danielle Bourque, M.Sc. Student Left photo: For this experiment, it is important to prevent the target organism, Daphnia magna, from landing on the environmental DNA (eDNA) capture filter. Here, Limnotron water samples are vacuum filtered initially  through a 40 micron mesh to remove D. magna and their eggs from the...

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Freshwater mussels

Keeping an eye on freshwater mussels

December 3, 2018 — Spending their life either buried in the mud of river, lake, and pond beds, or as tiny young attached to fish, freshwater mussels can easily go unnoticed. Dr. Ryan Prosser and his research team at the University of Guelph’s School of Environmental Sciences however, are hoping to draw attention to these amazing organisms and the challenges they face in Ontario...

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