#60;b#62;H.H. ("Hank") Shugart#60;/b#62; is a systems ecologist who has developed and tested models of biogeochemical cycles, energy flow and secondary succession. He uses individual-based computer models to simulate changes in forest structure and composition over time and in response to environmental change.#60;p#62;#60;b#62;Ian Woodward#60;/b#62; is a plant ecologist interested in the impacts of climate and changing carbon dioxide concentrations on plants and vegetation. His research on global climate change makes extensive uses of dynamic global vegetation models.
John P. Smol is a professor in the Biology Department at Queen's University (Canada), with a cross-appointment at the School of Environmental Studies. He co-directs the Paleoecological Environmental Assessment and Research Lab (PEARL). Professor Smol is co-editor of the Journal of Paleolimnology and holds the Canada Research Chair in Environmental Change.William M. Last is a professor in the Department of Geological Sciences at University of Manitoba (Canada) and is co-editor of the Journal of Paleolimnology.