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Biological and physical data for zebra mussel (Dreissena polymorpha) veligers collected from a coupled lake-stream ecosystem in north Texas, 2012-2014 Dispersal, establishment, and spread of aquatic invasive species such as the zebra mussel (Dreissena polymorpha) can be influenced by riverine velocities and volumetric flows in invaded lake-stream ecosystems. Zebra mussels, which have a planktonic larval form (veliger), disperse rapidly downstream from a source population. Concentrations, dispersal, and body conditions of zebra mussel veligers were studied under different volumetric flow, or discharge, conditions in a coupled lake-stream ecosystem in northern Texas, USA. Veliger densities in lotic environments were strongly related to population dynamics in upstream lentic source populations. A strong exponential decrease in veliger density was observed through... Categories: Data; Tags: Aquatic Biology, Aquatic ecosystem, Dallas, Dispersal, Ecology, All tags... Elm Fork Trinity River, Fort Worth, Geographical distribution, Lake Lewisville, Lake Texoma, Larvae, Oklahoma, Planktonic, Population dynamics, Ray Roberts Lake, Red River, River discharge, Texas, Trinity River, USGS Science Data Catalog (SDC), Water Quality, Water Resources, Wildlife Biology, Fewer tags