Genomic signals found using RNA sequencing show signatures of selection and subtle population differentiation in walleye ( Sander vitreus ) in a large freshwater ecosystem
نویسندگان
چکیده
منابع مشابه
Morphological and trophic differentiation of growth morphotypes of walleye (Sander vitreus) from Lake Winnipeg, Canada
Ecologically related polymorphisms occur in many northern freshwater fish populations and are distinguished by alternate phenotypes consistently associated with differential use of habitats or resources. We tested for polymorphism in walleye (Sander vitreus (Mitchill, 1818)) in the south basin of Lake Winnipeg, where evidence suggests that ‘‘dwarf’’ and ‘‘normal’’ growth forms may coexist. Morp...
متن کاملEnvironmental DNA assays for the sister taxa sauger (Sander canadensis) and walleye (Sander vitreus)
Sauger (Sander canadensis) and walleye (S. vitreus) are percid fishes that naturally co-occur throughout much of the eastern United States. The native range of sauger extends into the upper Missouri River drainage where walleye did not historically occur, but have been stocked as a sport fish. Sauger populations have been declining due to habitat loss, fragmentation, and competition with non-na...
متن کاملGenetic connectivity and diversity of walleye (Sander vitreus) spawning groups in the Huron–Erie Corridor
Index words: Genetic connectivity Huron–Erie Corridor Microsatellites Mitochondrial DNA control region Sander vitreus Walleye The Huron–Erie Corridor (HEC) connects the upper and lower Great Lakes, providing key fish passage. A century of channelization, dredging, and pollution has led to habitat loss and declining fish numbers. Since 2004, the multi-agency HEC initiative augmented fish spawnin...
متن کاملInfluence of physiochemical and watershed characteristics on mercury concentration in Walleye, Sander vitreus, M.
Elevated mercury concentration has been documented in a variety of fish and is a growing concern for human consumption. Here, we explore the influence of physiochemical and watershed attributes on mercury concentration in walleye (Sander vitreus, M.) from natural, glacial lakes in South Dakota. Regression analysis showed that water quality attributes were poor predictors of walleye mercury conc...
متن کاملFish growth rates modulate mercury concentrations in walleye (Sander vitreus) from eastern Canadian lakes.
The majority of the studies attempting to explain fluctuations of mercury (Hg) concentrations in fish from diverse aquatic ecosystems have invoked the influence of physico-chemical or environmental factors but has eluded that of strictly biological factors. In this study, we examine the relationship between Hg concentrations in walleye (Sander vitreus) muscles and their growth rates in 12 natur...
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ژورنال
عنوان ژورنال: Ecology and Evolution
سال: 2020
ISSN: 2045-7758,2045-7758
DOI: 10.1002/ece3.6418