Professor Emeritus of Biology and Ecology Degree: Ph.D. 1978 Dartmouth College Email: cronan@maine.edu Research Topic: Biogeochemistry; plant ecology; ecosystem ecology; land use planning Research Program: My research focuses on ecosystem-level biogeochemistry, forest ecology, and watershed analysis. Specific interests include element cycling patterns and processes, comparative soil chemistry in forest ecosystems, linkages between terrestrial and aquatic ecosystems, organic