Hi everyone! My name is Peter Martin, and I'm a second-year doctoral student at Michigan State. I did my undergrad at Notre Dame in Dr. Gary Lamberti's Stream and Wetland Ecology lab (and did research on the movement of PFAS in the biota of the Laurentian Great Lakes), and I now work in Dr. Alisha Shah's lab at the W.K. Kellogg Biological Station. I work along a "hydroperiod gradient" of still freshwater habitats, from warm, hypoxic ephemeral pools to cool, well-oxygenated permanent lakes, and my research uses this gradient to understand the integrated effects of temperature and dissolved oxygen concentrations on the morphology, physiology, and fitness of aquatic insects. My focal group is an amazing genus of damselflies (Lestes spp.) that have demonstrated species sorting along this freshwater gradient!