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A Quantitative Evaluation Of Growth In Leptodea Fragilis Before And After The Arrival Of Zebra Mussels In Lake Erie, Elizabeth Barkett, Robert A. Krebs, Matthew T. Begley
A Quantitative Evaluation Of Growth In Leptodea Fragilis Before And After The Arrival Of Zebra Mussels In Lake Erie, Elizabeth Barkett, Robert A. Krebs, Matthew T. Begley
Undergraduate Research Posters 2013
The arrival of zebra mussels in the Great Lakes in the 1980’s marked several environmental changes, most notably in freshwater mussels in the Unionidae. There are no studies of population demographics of native Great Lake species before this period of time. In this study, several recent shell collections of Leptodea fragilis, a fast-growing freshwater mussel, were made on various beaches along Lake Erie. To compare the effects of the zebra mussels on L. fragilis, we compared growth rates, determined from size and estimated age of shells, to additional collections of L. fragilis from 1941 to 1967available at the Cleveland Museum …