1. Department of Aquatic Sciences and Assessment, Swedish University of Agricultural Sciences, Uppsala, Sweden
2. Department of Fisheries, Wildlife and Conservation Biology, University of Minnesota, Minneapolis, MN, USA
3. Minnesota Department of Natural Resources, Division of Fish and Wildlife, MN, USA
4. Shell Rock River Watershed District, Albert Lea, MN, USA
5. Water Resources Department, Barr Engineering, Minneapolis, MN, USA