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Inferring Dispersal Of Aquatic Invertebrates From Genetic Variation: A Comparative Study Of An Amphipod (Talitridae Hyalella Azteca) And Mayfly (Baetidae Callibaetis Americanus) In Great Basin Springs, Heather Lynn Stutz
Theses and Dissertations
Whether active or passive, dispersal accompanied by gene flow shapes the population genetics and evolutionary divergence of species. Indirect methods which use genetic markers have the ability to assess effective dispersal—that which resulted in gene flow. My objective was to see if an aquatic insect and an obligate aquatic invertebrate show similar phylogeographic patterns and genetic uniqueness. Hyalella azteca and Callibaetis americanus were collected from 4-5 springs in each of six basins in the Great Basin of western North America. No dispersal or genetic studies of C. americanus have been conducted to date. However, several studies focusing on mtDNA diversity …