Linda Deegan Senior Scientist Interests: Role of animals in ecosystems, stable isotopes and food webs; conducts research on Brazilian streams and at Long Term Ecological Research (LTER) sites at Plum Island (MA) and the Arctic. More >> Hugh Ducklow Director, Ecosystems Center Senior Scientist Interests: Oceanography, microbial processes, carbon fate and sequestration; lead principal investigator Palmer Station LTER in Antarctica. More >> Kenneth Foreman Director, SES Interests: Nutrient pollution and eutrophication in shallow coastal ponds, salt marsh ecology, benthic fauna; conducts research in Waquoit Bay and West Falmouth (MA). More >> Anne Giblin Senior Scientist Interests: Biogeochemistry; N, P, S and metal cycling in aquatic and wetland ecosystems; conducts research in Boston Harbor, Arctic LTER at Toolik Lake, Alaska, and in tropical watersheds and mangroves in Panama. Lead principal investigator Plum Island (MA) LTER More >> John Hobbie Distinguished Scientist Senior Scholar Interests: Microbial ecology of aquatic ecosystems, mycorrhizae in soils, stable isotopes;conducts research at Arctic LTER in Toolik, Alaska. More >> Jerry M. Melillo Senior Scientist Interests: Understanding impacts of human activities on the biogeochemistry of ecological systems using a combination of field studies and simulation modeling; conducts research at Harvard Forest LTER. More >> Chris Neill Senior Scientist Interests: Forest and grassland biogeochemistry, conservation biology; coastal plain ponds and grassland restoration on Martha’s Vineyard (MA) and deforestation in Brazil. More >> Bruce J. Peterson Senior Scientist Interests: Water balance in Arctic and Siberian rivers, abrupt climate change, aquatic biogeochemistry, stable isotopes, element cycling; conducts research at Arctic and Plum Island LTER sites and Russia More >> Edward B. Rastetter Senior Scientist Interests: Mathematical land computer simulation of ecosystem element cycles and climate effects, multiple element limitation. More >> Gus R. Shaver Senior Scientist Interests: Physiological ecology of plants, role of plant species in Arctic ecosystem function, climate change; lead principal investigator at Arctic LTER. More >> Jim Tang Assistant Scientist Interests: Plant-soil interactions, measuring and modeling element cycling and respiration in soils, climate change. More >> Joseph Vallino Associate Scientist Interests: Mathematical simulation of microbial dynamics, coupled physical-biological models of estuaries, ecological engineering; conducts research at Plum Island LTER and Waquoit Bay. More >