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Evaluation Of Lake Sturgeon (Acipenser Fulvescens) Spawning Success On An Artificial Reef Constructed In The Kalamazoo River, Michigan, Jason P. Lorenz
Evaluation Of Lake Sturgeon (Acipenser Fulvescens) Spawning Success On An Artificial Reef Constructed In The Kalamazoo River, Michigan, Jason P. Lorenz
Masters Theses
Since lake sturgeon Acipenser fulvescens monitoring began on the Kalamazoo River in 2009, there has been no documentation of survival past the egg stage. Spawning has occurred directly below Calkins Dam and, in 2016, an artificial spawning reef was constructed 275-m downstream to improve habitat and increase survival to the larval stage. The site was monitored with egg mats and larval drift nets to document evidence of successful natural reproduction of lake sturgeon one year prior to construction (2016) and three years post-construction of the artificial reef (2017-2019). Fertilized lake sturgeon eggs were captured all four years of the study …