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Conservation Genetics Of A Near Threatened Freshwater Mussel Species (Lampsilis Cardium) And Improved Prospects For Recovery: How Nuclear And Mitochondrial Dna Analyses Inform Natural History And Conservation, Chad D. Ferguson

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Freshwater mussels (Bivalvia: Unionidae) are among the most imperiled organisms in North America. While there is an urgent need for effective conservation planning and management of these organisms, important basic biological information is lacking. This research characterizes levels of genetic diversity and population structure in the Near Threatened (IUCN) freshwater mussel Lampsilis cardium in populations from Twin Creek (southwest Ohio), Little Darby and Big Darby Creeks (central Ohio), and Little Muskingum River (eastern Ohio) and assesses the extent to which regional geological events explain population structuring. Data from the congener Lampsilis ovata from Clinch River (Tennessee) are included for comparison. …