The impact that hemlock tree die-offs have had — and continue to have — on freshwater forest ecosystems is the focus of a research project at the University of Maine. Hamish Greig, a UMaine assistant professor of stream ecology, and Jacquelyn Gill, an assistant professor of terrestrial paleoecology at the Climate Change Institute (CCI) and read more Past, Present Hemlock Declines Focus of UMaine Research Project