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Fish Use of the Little Rapids Area Prior to Flow Restoration
The St. Marys River is a lotic system that serves as a border between the United States and Canada. The Little Rapids area of the St. Marys River, located between Island No. 1 and Sugar Island, historically was an area of high flow and was inhabited…
Testing the Use of Salmonid Primers for Polymerase Chain Reaction in Various Species of Fish
Mitochondrial DNA is a useful tool for measuring the genetic distance between different species or the genetic diversity within a single species. In order to obtain this information from the DNA, it must first be amplified by polymerase chain…
Yellow Perch Growth and Size Structure after Biological and Chemical Manipulation
The yellow perch (Perca flavescens) population in Cranberry Lake, Michigan, was dominated by small fish possibly due to the absence of a top predator and poor water quality (pH often below 5). Northern pike (Esox lucius) and walleye (Sander vitreus)…
Angler Pressure and Harvest Practices
Yellow perch (Perca flavescens) are a highly sought after recreational game fish. Therefore, a large population size of harvestable individuals (typically greater than 150 mm) is desired. Soldier Lake, Michigan does not have a large number of…
Genetic Variation of Lake Sturgeon in the St. Marys River
The St. Marys River harbors a Lake Sturgeon (Acipenser fulvescens) population estimated at 500 individuals. Recent tracking studies by Lake Superior State University’s Aquatic Research Lab found that these fish have very restricted movement patterns…