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Fish interactions in Upper Mississippi River basin gets closer look to aid management

Shay Valentine works in a laboratory recently at Southern Illinois University Carbondale. A doctoral student in zoology, Valentine is examining the spatial dynamics of native fishes throughout the Upper Mississippi River basin. (Photo by Russell Bailey)

Extending from southern Illinois all the way up to Minnesota, the Upper Mississippi River basin’s system comprises an extremely complex network of streams and watersheds.
Little is known about how those systems and the native fishes in them interact. Shay Valentine, a Southern Illinois University Carbondale doctoral student, is combining various lab techniques to examine habitats and diets of 12 fish species to learn more about how they use resources in the river.

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