Browsing by Author "Sandheinrich, Mark"
Now showing items 1-8 of 8
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Aquatic habitat change within selected pools of the Upper Mississippi River from 1974-2000
Asche, Derek (2007)Impoundment of the Upper Mississippi River (UMR) in the 1930s created large areas of biologically diverse and productive backwater habitat. These areas may be threatened by rapid sediment accumulations that promote increased ... -
Diagnosis, prevalence, and prevention of the spread of the parasite Heterosporis sp. (Microsporida: Pleistophoridae) in yellow perch (Perca flavescens) and other freshwater fish in northern Minnesota, Wisconsin, and in Lake Ontario
Miller, Peggy (2009-08)A previously unknown microsporidian parasite that severely degrades muscle of yellow perch (Perca flavescens) from lakes in Minnesota, Wisconsin, and Lake Ontario was identified as belonging to the genus Heterosporis. This ... -
Effect of riparian vegetation on the spatial distribution of slimy sculpin cottus cognatus in southwestern Wisconsin streams
Laukkanen, Katri Helena (2012-05)The distribution of freshwater sculpin (Coitus spp.), are frequently associated with the quantity and quality ofmacroinvertebrate prey, which are often influenced by the presence of riparian vegetation. I hypothesized that ... -
Effects of dietary methylmercury on Zebrafish (Danio rerio) reproductive gene transcription
Susnik, Nathan (2010-04-21)Studies have revealed that environmentally realistic concentrations of dietary methylmercury have adverse effects on reproduction in many different fish species. Recent studies have used the fathead minnow (Pimephales ... -
Establishment of and egg and larval development index for lake sturgeon Acipenser fulvenscens
Eckes, Orey T. (2013-12)With the development of production scale cultural practices many federal, state and tribal agencies have developed restoration plans consisting of managing and enhancing wild populations of lake sturgeon Acipenser ... -
Parasites of catostomid fishes from navigation pools 8 and 9 of the upper Mississippi River (Iowa, Minnesota, Wisconsin) and the lower Missouri National Recreational River (Nebraska, South Dakota)
Walker, Jennifer L. (2007-05)The Mississippi River System has undergone severe alterations for navigation and flood control, and has suffered from point and non-point source pollution throughout modern times. Though parasite communities can be important ... -
Spatial and temporal distribution of fingernail clam (Musculium transversum) populations in the upper Mississippi River
Wilson, Donna Marie Melby (1991-12-30)I analyzed temporal trends in populations of the fingernail clam Musculium transversum to validate recent anecdotal observations of reductions in their abundance in the upper Mississippi River. Sufficient historical data ... -
Survival and growth of wild and domestic brook trout (Salvelinus fontinalis) in Southwest Wisconsin streams
Edlin, Dean Gary (1995-05)