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Aquatic snails are vectors for several species of digenetic trematodes which infest many commercially cultivated fish. Most research in methods of controlling snails in aquaculture ponds has centered on chemical solutions applied to pond margins...
2011-01-01
We investigated two southern Illinois reservoirs with contrasting size structures of yellow bass (Morone mississippiensis) to compare growth, mortality and recruitment patterns. Yellow bass were collected from Crab Orchard and Little Grassy Lakes...
2011-01-01
Fatty acid (FA) analyses of fish tissues offer the potential to gain new knowledge of habitat or forage-specific energy inputs to fishes in river-floodplain ecosystems, although limited information exists regarding among-habitat differences in FA...
2016-06-01
The effectiveness of pelvic fin ray microchemistry of muskellunge Esox masquinongy Mitchill to identify stocked individuals along with the potential to identify naturally reproduced fish were evaluated. Fish and water samples were obtained from...
2014-01-01
Mark-recapture studies require knowledge of tag retention rates specific to tag types, fish species and size, and study duration. We determined the probability of tag loss for passive integrated transponder (PIT) tags implanted into dorsal...
2011-01-01
We evaluated the potential utility of pectoral fin rays as non-lethal aging structures for smallmouth bass (Micropterus dolomieu). We compared age estimates among three reading pairs and against sectioned sagittal otolith age estimates for...
2013-01-01
Naturally occurring stable isotope and trace elemental markers in otoliths have emerged as powerful tools for determining natal origins and environmental history of fishes in a variety of marine and freshwater environments. However, few studies...
2011-01-01
Natural chemical markers in otoliths and fin rays have proven useful for describing environmental history of fishes in a variety of environments. However, no studies have evaluated smallmouth bass (Micropterus dolomieu) pectoral fin ray chemistry...
2010-01-01
Knowledge of habitats used by fish throughout their life history is important for management and conservation of riverine fish populations and habitats. Naturally occurring chemical markers in otoliths have recently been used to determine natal...
2010-01-01
Laboratory growth and food consumption data for two size classes of brown trout Salmo trutta that experienced three distinct feeding regimes at two temperatures were used to evaluate the abilities of two bioenergetics models to predict fish...
2010-01-01
We investigated the ability of otolith stable nitrogen isotope ratio (δ15N) to discriminate among fishes from southern Illinois streams that differed in proportions of watershed agricultural land. Otolith δ15N was nearly as effective as muscle...
2008-01-01
Shovelnose sturgeon Scaphirhynchus platorynchus are endemic to the Mississippi River drainage and are commercially harvested for roe in several states. Status of shovelnose sturgeon populations throughout much of its range is unknown or...
2009-01-01
Trait-based approaches may improve understanding in ecology by linking environmental variation to fitness-related characteristics of species. Most trait-environment studies focus on assemblage-level relationships; yet intraspecific trait variation...
2016-10-01
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