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Landscape-Scale Food Webs of Fish Nursery Habitat Along a River-Coast Mixing Zone

Joel C. Hoffman, Auteur ; John R. Kelly, Auteur ; Greg S. Peterson, Auteur ; Anne M. Cotter, Auteur

Dans Estuaries and Coasts (38(4) JUL 2015)

We used carbon and nitrogen stable isotope ratios to identify changes in organic matter (OM) sources supporting fish larvae along the river-lake mixing zone in three Lake Superior coastal tributaries. We used a stable isotope mixing model to qua[...]

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Using delta N-15 in Fish Larvae as an Indicator of Watershed Sources of Anthropogenic Nitrogen: Response at Multiple Spatial Scales

Joel C. Hoffman, Auteur ; John R. Kelly, Auteur ; Greg S. Peterson, Auteur ; Anne M. Cotter, Auteur ; Matthew A. Starry, Auteur ; Michael E. Sierszen, Auteur

Dans Estuaries and Coasts (35(6) NOV 2012)

There is growing interest in applying delta N-15 in biota as an indicator of anthropogenic nutrient inputs to coastal environments because changes in delta N-15 correlate to inputs of land-based nutrients. In complex coastal receiving waters, ho[...]

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Using Stable Isotope Mixing in a Great Lakes Coastal Tributary to Determine Food Web Linkages in Young Fishes

Joel C. Hoffman, Auteur ; Gregory S. Peterson, Auteur ; Anne M. Cotter, Auteur ; John R. Kelly, Auteur

Dans Estuaries and Coasts (33(6) NOV 2010)

We characterized stable isotope mixing along a river-Great Lake transition zone in the St. Louis River, an important fish nursery in western Lake Superior, and used it to identify food web linkages supporting young fish production. We observed a[...]

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