Michael ErwinDr. Erwin is a retired senior scientist with the U.S. Geological Survey and a research professor, Department of Environmental Sciences, University of Virginia. Over his more than 40 year career, he has more than 140 scientific publications on a variey of ecological, conservation, and management issues. While his research centered on coastal waterbirds and their habitats, he also developed guidance for monitoring bird populations, for the design, construction, and management of islands in Chesapeake Bay, and began some of the early USGS studies to monitor saltmarsh elevation changes and sea level rise. He is a Fellow of the American Ornithologists' Union, and a former President and editor of the Waterbird Society.