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Louisiana Pearlshell

One of the first steps towards the long-term conservation of freshwater mussels is understanding the distribution of genetic diversity within a  species.

The entire range of Margaritifera hembeli is contained within two parishes in Louisiana.
My research is investigating the relationship of M. hembeli to other margaritiferids as well as the the distribution of genetic variation across its range in both space and time

Native Mussels

The Higgins-eye mussel (Lampsilis higginsi ) is an inhabitant of large rivers in the Mid-west.

The Roe Lab

To date my research in my lab has focused on freshwater mollusks, fishes, and shrimps. I have two major areas of interest, I use phylogenetic methods to understand the evolution of organisms and their distributions, and population genetic tools to aid in conservation of rare species. Because many freshwater organisms are affected by anthropogenic impacts on water quality and availability, much of the work in my lab has involved endangered species.