Managing for Ecosystem Health
  Program Development Committee

Names Index

Dr. Daniel W. Anderson Dr. Robert A. Johnston Dr. John Reuter
Dr. Michael Barbour Dr. Lynn Kimsey Dr. Deborah L. Rogers
Dr. Kurt Benirschke Dr. Robert T. Lackey Dr. Dennis E. Rolston
Dr. James R. Carey Dr. William L. Lasley Dr. Paul Sabatier
Dr. Daniel P.Y. Chang Dr. Jerhold Last Dr. Terrell P. Salmon
Dr. Dick A. Daniel Ms. Eugenia Laychak Dr. Marc B. Schenker
Dr. Montague W. Demment Dr. Jonna Mazet Dr. Stephen H. Schneider
Dr. Holly D. Doremus Dr. Mike McCoy Dr. James N. Seiber
Dr. Michael D. Fry Dr. Frederick A. Murphy Ms. Cheryl Smith
Dr. Charles R. Goldman Dr. N. Ole Nielsen Dr. Daniel Sperling
Dr. Alexander H. Harcourt Dr. Richard B. Norgaard Dr. Ronald S. Tjeerdema
Dr. David E. Hinton Dr. Robert Pearcy Dr. Llewellyn R. Williams
Dr. Michael L. Johnson Dr. Calvin O. Qualset Dr. Barry W. Wilson


Biographical Sketches


Dr. Daniel W. Anderson

Professor, Department of Wildlife, Fish and Conservation Biology
University of California, Davis

Dr. Anderson has been at UC Davis for 23 years. He is former Chair of his department and past Director of the Ecotoxicology Program. Dr. Anderson specializes in avian ecology, ecotoxicology, conservation biology, and endangered species conservation. His present research focuses on aquatic birds of the marine environments of California and western Mexico, and in lakes of California. He teaches courses in ornithology (the biology and management of wild birds), wildlife ecotoxicology (the effects of pollutants), and field research techniques, along with seminars in various related topics. Dr. Anderson has a BS degree from North Dakota State University, and MS and PhD degrees from the University of Wisconsin, Madison. Before coming to UC Davis, Dr. Anderson was a Research Biologist for the U.S. Fish and Wildlife Service. Current research activities involve studies of post-release survival of oil-spill rehabilitated seabirds, the effects of mercury and organochlorine contamination of birds in California lakes, oil exposure and stress studies in seabirds, marine bird community ecology in the Gulf of California and the California Current, and satellite telemetry studies of brown pelican migration and behavior. Dr. Anderson's research projects currently involve studies in the Klamath Basin, Clear Lake, San Joaquin Valley, and Rio Colorado Delta/Gulf of California region. He has published over 100 technical papers on avian ecology and ecotoxicology as well as popular articles and reports.

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Dr. Michael Barbour

Plant Ecologist
Department of Environmental Horticulture
University of California, Davis

Dr. Barbour received his PhD in Botany and Ecology at Duke University in 1968 under the direction of W.D. Billings, "the father of plant ecophysiology." Professor Barbour is a plant ecologist who has examined the ecophysiology, autecology, community dynamics, and vegetation distribution limits of several wildland vegetation types in North America, South America, Australia, and Israel. Currently his focus is on the roles of fire and winter snowpack in upper elevation conifer forests of the Californias. He has been active with groups of professional ecologists who are trying to achieve consensus among several vegetation classification approaches at state and national levels. Among his publications are books on introductory plant biology, plant ecology, the vegetation of California, and the vegetation of North America. Most of his 30-year career has been in the Botany Department, moving to Environmental Horticulture with the reorganization of the former Department several years ago.

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Dr. Kurt Benirschke



Dr. James R. Carey

Professor and Vice-Chair, Department of Entomology
University of California, Davis

Professor Carey received his BS and MS degrees from Iowa State University in Fisheries and Wildlife Biology (1973) and Entomology (1975), respectively, and his Ph.D. in Entomology from the University of California, Berkeley (1980). He specializes in two research areas. The first area involves the invasion biology of the Mediterranean fruit fly with particular reference to California. He is a charter member of the UC-wide Center for Exotic Pest Research based at UC Riverside and has published extensively on the status of the medfly invasion of the state. The second research area concerns demography and aging in insects. He and his co-workers are using large-scale life table techniques to examine the mortality trajectory of fruit flies at the most advanced ages and the relationship between reproduction and longevity.

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Dr. Daniel P.Y. Chang

Chair, Department of Civil and Environmental Engineering
University of California, Davis

Professor Chang received his degrees in Mechanical Engineering from the California Institute of Technology (BS '68, MS '69, PhD '73). He specializes in studies of toxic air contaminants, their control and effects on health and in the environment. He and colleagues in the Civil and Environmental Engineering Department's Center for Environmental and Water Resources Engineering (CEWRE) are engaged in a number of studies of remediation of gasoline-contaminated water including biodegradation of MTBE, non-point source pollution impacts of roadways and motor vehicles, and habitat restoration in the San Francisco Bay/Delta.

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Dr. Dick A. Daniel

Assistant Director for Ecosystem Restoration
CALFED Bay/Delta Program

Mr. Daniel is responsible for the planning and development of a very large-scale ecosystem restoration program intended to restore ecosystem health to the San Francisco Bay, its Delta, and the streams tributary to the Delta. Now four years in planning, the program focuses on the restoration of ecological processes and functions. Years of environmental degradation, neglect, and conflict over land and water use have put this large and complex ecosystem in peril. Mr. Daniel earned a MA at Humboldt State University and has spent the last 30 years working to reduce or manage the conflicts associated with California's growth and environmental preservation.

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Dr. Montague W. Demment

Director, Global Livestock Collaborative Research Support Program (GL CRSP)
University of California, Davis

As Director of the GL CRSP, Dr. Demment has major responsibility for an international program combining 12 US universities and 50 foreign institutions doing research on economic growth, environment, human nutrition, and policy related to animal production in East Africa, Central Asia, and Latin America. Dr. Demment conducts research in nutritional ecology, models digestion and foraging behavior in herbivores, and contributes to the conservation of these species. He has been a professor at UCD since 1982 and has been concerned with issues relating agriculture‹both crop and livestock‹to environment. He lead the effort to establish a UC facility for a 100-year experiment in cropping systems.

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Dr. Holly D. Doremus

School of Law
University of California, Davis

Professor Doremus holds a Ph.D. in Plant Biology from Cornell University and a J.D. from the University of California, Berkeley (Boalt Hall). Her research interests include the design and evaluation of legal mechanisms for the protection of biological diversity, the integration of science into environmental policy decisions, and the interaction of property rights with environmental protection.

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Dr. Michael D. Fry



Dr. Charles R. Goldman

Department of Environmental Science and Policy
University of California, Davis

Dr. Goldman, Professor of Limnology in the Department of Environmental Science and Policy, has been with the University of California, Davis since 1958. He developed the first courses in limnology and oceanography at UCD and was founding Director of the Institute of Ecology. He has served on many national and international committees and is frequently sought for consultation and research missions to foreign countries on major environmental problems. Dr. Goldman has been able to translate research findings directly to state, national and international policy decisions, contributing decisively to the conservation and judicious use of aquatic resources from the Antarctic to the lakes and wetlands of South and Central America, New Guinea, Africa, Asia, Europe and the United States. He has recently been awarded the 1998 Albert Einstein World Award of Science. The Einstein Award, bestowed annually to a single individual by a council of eminent scientists which includes 25 Nobel laureates, recognizes those who have accomplished scientific and technological achievements that have advanced scientific understanding and benefited humanity.
His single most important and sustained contribution is the 40 years of research on Lake Tahoe, California. Dr. Goldman is Director of the Tahoe Research Group and has pursued long-term ecological research simultaneously at Lake Tahoe and Castle Lake, California, since 1958. He successfully combined effective research and social action with his pioneering studies of lake eutrophication. These have been directly applied to engineering solutions, social needs, and legal decisions. This work has recently included the development of artificial wetlands and research on alternatives to conventional road salt for de-icing highways. This relationship of basic science to political change has been of particular importance to the Lake Tahoe basin.

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Dr. Alexander H. Harcourt

Chair, Animal Behavior Graduate Group
Department of Anthropology
University of California, Davis

Professor Harcourt has worked and taught in Africa, Nigeria, Rwanda, Tanzania, Uganda, and Zaire. His major interests and expertise relevant to this Congress are in conservation of biodiversity, where he has both conducted research and provided applications to management. In this field has published, for example, on the application of biology to conservation management, human impact on survival of natural habitat, means of assessment of endangered status of animal species, and public perception of wildlife.

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Dr. David E. Hinton

Professor of Aquatic Toxicology
Department of Anatomy, Physiology, and Cell Biology
School of Veterinary Medicine
Director, Lead Campus Program in Ecotoxicology
University of California Systemwide
Toxic Substances Research and Teaching Program
University of California, Davis

Professor Hinton received his undergraduate degree from Mississippi College, Clinton, MS and his MS (1967) and PhD (1969) degrees from the University of Mississippi Medical Center. Following postdoctoral training at the University of Maryland, School of Medicine and at the Karolinska Institutet, Stockholm, Dr. Hinton has studied the responses of cells and tissues of fishes to environmental pollutants. His work has taken an experimental pathology approach using immunohistochemistry, ultrastructure, and correlated biochemistry and molecular biology. As the head of a large laboratory, he oversees studies from the molecular through the individual level of biological organization and is involved with population biologists and ecologists investigating the multiple stressors in Sacramento River watershed fish and shellfish. Dr. Hinton is the director of a graduate program in ecotoxicology which provides graduate education while performing studies to provide science in support of watershed management. His laboratory conducts many surface water toxicity testing programs for the State of California. Dr. Hinton is the editor-in-chief of the international journal, AQUATIC TOXICOLOGY. He has published more than 150 manuscripts in aquatic toxicology including carcinogenesis and has contributed extensively to the literature on biomarker responses signifying exposure and deleterious effect.

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Dr. Michael L. Johnson

John Muir Institute of the Environment
University of California, Davis

Dr. Johnson's primary research interests are in risk analysis and ecotoxicology. He conducts assessments in a broad range of areas including the risk of extinction of endangered species and ecological and human health risks associated with exposure to contaminants. Dr. Johnson received a PhD (1984) from the University of Kansas and began his career with the Kansas Biological Survey where he investigated the impacts of agricultural chemicals on aquatic ecosystems. He moved to UC Davis in 1992 as an Associate Research Engineer in the Department of Civil and Environmental Engineering. He joined the John Muir Institute in 1998.

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Dr. Robert A. Johnston

Professor, Department of Environmental Science
University of California, Davis

As an environmental planner, Dr. Johnston currently operates two integrated urban models on the Sacramento, California region. These models represent land and travel markets and project energy use and emissions from vehicles and buildings. He has also designed a GIS-based urban growth model and is now applying it to all counties in California. This model will project land coverage change and impacts on habitats, stormwater runoff, water quality, costs from flooding and wildfires, and county fiscal balance.

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Dr. Lynn S. Kimsey

Professor of Entomology
Director, Center for Biosystematics
Executive Director, Bohart Museum of Entomology
University of California, Davis

Professor Kimsey studies the systematics, evolution, and biogeography of three families of parasitic wasps, as well as the biodiversity of California insects. She is currently Director of the UC Davis Center for Biosystematics—a consortium of biological collections and systematists on the Davis campus. The mission of this organization is two-fold—to enhance formal systematic research and teaching, and to expand public service through organismal diagnostics and educational outreach. Professor Kimsey is also in charge of the Bohart Museum of Entomology—the eighth largest insect collection in North America, and has served on the Board of Directors of the Association of Systematics Collections.

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Dr. Robert T. Lackey

Associate Director for Science
Western Ecology Division
National Health and Environmental Effects Research Laboratory
Environmental Protection Agency (EPA)
Corvallis, Oregon

In addition to his role with the EPA Dr. Lackey is also courtesy professor of fisheries science and adjunct professor of political science at Oregon State University, where he teaches a graduate course in ecological policy. For the past 30 years, he has dealt with a range of environmental issues from positions in government and academia. Among his particular interests are natural resource ecology, ecosystem management, ecological risk assessment, and the interface between science and public policy. He continues an active program of personal research and scholarly study, having authored 75 scientific journal articles, written a book on fisheries science, and edited three others on natural resources topics.
He holds a Bachelor of Science degree in Fisheries Science from Humboldt State University, a Master of Science degree in Zoology from the University of Maine, and a Doctor of Philosophy degree in Fisheries and Wildlife Science from Colorado State University. Prior to his current employment with EPA, he was a tenured associate professor of fisheries science at Virginia Polytechnic Institute and State University. He is a Certified Fisheries Scientist and a Fellow in the American Institute of Fishery Research Biologists.

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Dr. William L. Lasley

Department of Population Health and Reproduction,
School of Veterinary Medicine
Department of Obstetrics and Gynecology, School of Medicine
Institute of Toxicology and Environmental Health
Wildlife Health Center
University of California, Davis

A professor in two departments at UC Davis, Dr. Lasley is also the Associate Director of the Institute for Toxicology and Environmental Health which is an Organized Research Unit. He obtained his PhD at UC Davis in 1972 (Physiology) and did his postdoctoral work in Reproductive Medicine at the School of Medicine at the University of California at San Diego. As a staff scientist at the San Diego Zoo Dr. Lasley was awarded the 1978 Rolex Award for Enterprise for his work in the global preservation of biodiversity. He continues to work on the development and application of biomarkers to detect the adverse effects of environmental hazards on reproductive health of wildlife.

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Dr. Jerhold Last



Ms. Eugenia Laychak

Program Manager
California Center for Public Dispute Resolution

Ms. Laychak manages the Center's contract with the CALFED Bay-Delta Program and provides mediation, facilitation, and strategic planning services to the Program and the Bay-Delta Advisory Council. CALFED is a consortium of eighteen state and federal agencies committed to restoration of the San Francisco Bay-Delta and improving its water supply reliability. One of her accomplishments has been achieving consensus on selection of over $100 million in ecosystem restoration projects. Ms. Laychak has over 25 years of public policy experience, including positions with the California Energy Commission, Coastal Commission, Conservation Corps, and Coastal Resources Center. She owns and manages her environmental dispute resolution consulting firm, E J L & Associates. Ms. Laychak is committed to design and implementation of collaborative, consensus-building processes and models.

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Dr. Jonna A.K. Mazet

Assistant Professor
Department of Medicine and Epidemiology
and Director
Wildlife Health Center
School of Veterinary Medicine
University of California, Davis

Dr. Mazet is a wildlife veterinary epidemiologist who, in addition to her faculty appointment, is the Director of the School of Veterinary Medicineís Wildlife Health Center. The Wildlife Health Center strives to enhance the conservation and health of wild animals and the environment by addressing the balance of peopleís needs with those of wildlife. Dr. Mazet also directs the Oiled Wildlife Care Network—a joint program of the California Department of Fish and Game's Office of Spill Prevention and Response and the Wildlife Health Center. After completing her DVM, Master of Preventive Veterinary Medicine, and PhD in wildlife epidemiology at UC Davis, Dr. Mazet was a wildlife veterinarian for the California Department of Fish and Game until joining the School of Veterninary Medicine faculty. Dr. Mazet currently specializes in the effects of petroleum products on wildlife, the development of diagnostic tests for free-ranging wildlife, the use of key wildlife species as biomarkers of environmental health, and marine ecotoxicology.

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Dr. Mike McCoy



Dr. Frederick A. Murphy

Professor, School of Veterinary Medicine
University of California, Davis

Dr. Murphy is Professor of Virology at the School of Veterinary Medicine, University of California, Davis. He received a BS and DVM from Cornell University and a PhD from the University of California, Davis. Previously, he served as Director of the Division of Viral and Rickettsial Diseases and later Director of the National Center for Infectious Diseases, Centers for Disease Control in Atlanta, Georgia. From 1991 to 1996, he served as Dean of the School of Veterinary Medicine at UC Davis. His honors include the Presidential Rank Award, membership in the German Academy of Natural Sciences and the USSR Academy of Medical Sciences, the K.F. Meyer Gold Headed Cane, and Doctor of Medicine and Surgery Honoris Causa, University of Turku, Finland. He has been involved in many international professional activities and many editorial and writing activities. His professional interests include the pathogenesis and ultrastructural pathology of viral diseases, viral characterization and taxonomy, rabies, arboviruses, viral hemorrhagic fevers, viral encephalitides, public health policy, and vaccine development. His latest interests include new and emerging infectious diseases, and the threat posed by bioterrorism and biological warfare.

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Dr. N. Ole Nielsen

Former Dean, Western College of Veterinary Medicine,
University of Saskatchewan and
Ontario Veterinary College,
University of Guelph, Ontario, Canada

Dr. Nielsen's academic career as a veterinary pathologist gave rise to his continuing interests in comparative medicine, ecosystem health, and international development. He has served as the Chair of the Board of Trustees of the International Laboratory for Research on Animal Disease (ILRAD) and Chair of the Saskatchewan Environmental Advisory Committee. Particularly interested in ecosystem health, he has helped to organize the two previous symposia of the International Society for Ecosystem Health.

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Dr. Richard B. Norgaard

Professor of Energy and Resources and of
Agricultural and Resource Economics
University of California, Berkeley

Active in the International Society for Ecological Economics since its founding and its current President (1998-2001), Dr. Norgaard has long promoted shared learning between economists and ecologists. His own work across the interface of economic and ecological systems includes applications to pesticide use, coastal management, tropical rainforest issues, and climate change.

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Dr. Robert Pearcy



Dr. Calvin O. Qualset



Dr. John Reuter



Dr. Deborah L. Rogers

Genetic Resources Conservation Program
University of California, Davis

As a forest geneticist and conservation biologist, Dr. Rogers' research has focused on fine-scale genetic structure of temperate North American forest tree species—describing their patterns of genetic variation and interpreting them for conservation objectives. Her investigations have featured western conifers that play critical roles in California ecosystems, including the first genetic study of clonal structure in old-growth stands of coast redwood. She is the recipient of a Fulbright scholarship and holds a PhD from the University of California, Berkeley. During the past ten years, she has conducted collaborative research with the Canadian Forest Service, the USDA Forest Service, and various other provincial (Canada) and state (USA) agencies. She co-organized an international workshop in 1995—a joint undertaking with the FAO of the United Nations—on the status of temperate North American forest genetic resources. Currently a genetic resources analyst with the Genetic Resources Conservation Program of the University of California (UC), her present activities include developing a genetic resources conservation plan for Monterey pine and coordinating an intercampus activity in Conservation Biology within the UC system.

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Dr. Dennis E. Rolston

Professor of Soil Science
Chair, Department of Land, Air, and Water Resources
Director, Center for Ecological Health Research
University of California, Davis

Professor Rolston has degrees from South Dakota State University (BS '65), Iowa State University (MS '67), and the University of California, Davis (PhD '70). His research program is directed at understanding the mechanisms of transport and transformation of water, salt, nutrients, contaminants, and gases in soil. Interests in soil gases involve diffusion of nitrous oxide and dinitrogen gases produced during denitrification and transport, transformation of volatile organic compounds in the unsaturated zone, and volatilization of pesticides from soil. As Director of the Center for Ecological Health Research (an EPA-funded center), he works with faculty from numerous disciplines and departments in meeting the mission of the Center, which deals with evaluation of the effects of multiple stresses in ecosystems.

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Dr. Paul Sabatier



Dr. Terrell P. Salmon

Director, Division of Agriculture and Natural Resources: (DANR): North Region
University of California, Davis

As Director, Dr. Salmon is responsible for the off-campus Extension and Research programs conducted by DANR. This includes programmatic, personnel, and budget responsibility for over 60 Cooperative Extension academics and 130 career and casual staff in 21 Northern California counties. In addition, he has programmatic authority and responsibility for three Research and Extension Centers in the Northern Region. He is Administrative Liaison for two statewide programs: Sea Grant Extension Program (SGEP) and Renewable Resources Extension Act (RREA).
Dr. Salmon holds a PhD (1979) from UC Davis in Ecology. His research interests include ecology, behavior, population dynamics, control of vertebrates with particular emphasis on those affecting agricultural production and public health, population simulation, and wildlife damage control decision-making models. He is involved with the development of Integrated Pest Management programs for various wildlife species. His responsibilities include dissemination of information to agricultural producers, wildlife managers, and others dealing with both new and existing techniques of reducing wildlife damage; and administration as it relates to Cooperative Extension‹particularly how individuals, groups, and organizations accept and adapt to change.

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Dr. Marc B. Schenker

Professor and Chair
Department of Epidemiology and Preventive Medicine
University of California, Davis

Until assuming his current position, which includes a joint appointment in the Department of Internal Medicine, Dr. Schenker was Chief of the Division of Occupational/Environmental Medicine in Internal Medicine. He is Director of the Davis component of the Northern California Center for Occupational and Environmental Health and also Director of the University of California Agricultural Health and Safety Center at Davis. Dr. Schenker serves on numerous committees and panels at the state, national, and international level, and has received many scientific honors including Fulbright Senior Scientist Foreign Scholarship Award and the University of California Distinguished Wellness Lecturer.
Dr. Schenker's research has focused on a wide range of occupational and environmental health hazards. He has studied many causes of respiratory disease and lung cancer, including diesel exhaust, asbestos, and silica. A recent large investigation on which he was the principal investigator addressed reproductive and other health hazards in the semiconductor industry. Most recently, he has investigated numerous health hazards in the agricultural environment, including respiratory disease, injuries, reproductive hazards, and toxic effects of pesticides and other agricultural chemicals.

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Dr. Stephen H. Schneider

Professor
Department of Biological Sciences
Stanford University
California

In addition to his position within the Department of Biological Sciences, Dr. Schneider is a Senior Fellow at the Institute for International Studies and Professor by Courtesy in the Department of Civil Engineering at Stanford University. He was honored in 1992 with a MacArthur Fellowship for his ability to integrate and interpret the results of global climate research through public lectures, seminars, classroom teaching, environmental assessment committees, media appearances, Congressional testimony, and research collaboration with colleagues. He has served as a consultant to Federal Agencies and/or White House staff in the Nixon, Carter, Reagan, Bush, and Clinton administrations.
Dr. Schneider received his Ph.D. in Mechanical Engineering and Plasma Physics from Columbia University in 1971. He studied the role of greenhouse gases and suspended particulate material on climate as a postdoctoral fellow at NASA's Goddard Institute for Space Studies. He was awarded a postdoctoral fellowship at the National Center for Atmospheric Research (NCAR) and was a member of the scientific staff of NCAR from 1973 to 1996, where he co-founded the Climate Project. In 1975, he founded the interdisciplinary journal, Climatic Change, and continues to serve as its Editor. He is also the Editor-in-Chief of the Encyclopedia of Climate and Weather and author of The Genesis Strategy: Climate and Global Survival; The Coevolution of Climate and Life; Global Warming: Are We Entering the Greenhouse Century? and Laboratory Earth: The Planetary Gamble We Can't Afford to Lose, among others.
Dr. Schneider's current global change research interests include: climatic change; global warming; food/climate and other environmental/science public policy issues; ecological and economic implications of climatic change; integrated assessment of global change; climatic modeling of paleoclimates and of human impacts on climate, e.g., carbon dioxide "greenhouse effect" or environmental consequences of nuclear war. He is also interested in advancing public understanding of science and in improving formal environmental education in primary and secondary schools.

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Dr. James N. Seiber



Ms. Cheryl Smith

Manager, Center for Ecological Health Research (CEHR)
University of California, Davis

Ms. Smith has been Center Manager for the Center for Ecological Health Research since the Center's inception in 1992. CEHR, located at the University of California, Davis, is one of four national environmental research Centers funded by the U.S. Environmental Protection Agency Office of Exploratory Research (R819658 & R825433). The Central goal of the Center is to understand how multiple stresses interact to affect biological and ecological processes in aquatic and terrestrial systems. The Center provides a forum and a structure that identifies significant issues, designs assessment strategies, and integrates research efforts relevant to assessing risks on selected ecosystems.

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Dr. Daniel Sperling

Professor of Civil Engineering and Environmental Science and Policy
Founder and Director, Institute of Transportation Studies (ITS-Davis)
University of California, Davis

Dr. Sperling has authored or co-authored over 100 technical papers and six books on energy and environmental aspects of transportation, is a recent member four National Academy of Sciences committees on transportation and environmental topics, has testified numerous times to the US Congress and various government agencies, and provided keynote presentations and invited talks at many international conferences. He was awarded the 1993 Gilbert F. White Fellowship by Resources for the Future, 1996 Distinguished Public Service Award by the University of California, Davis, and 1997 "Clean Air Award" by the American Lung Association of Sacramento.

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Dr. Ronald S. Tjeerdema

Professor, Department of Chemistry and Biochemistry
University of California, Santa Cruz

Professor Tjeerdema received Bachelor's degrees in both Wildlife Management and Natural Resources from Humboldt State University, an MA in Marine Pharmacology from the University of California, Santa Barbara, and a PhD in Pharmacology and Toxicology from the University of California, Davis. His research interests include the environmental fate and toxic action mechanisms of petroleum hydrocarbons, pesticides, and natural marine toxins. Over the years he has also advised both federal and state agencies in the areas of oil spill response and agricultural pesticide management.

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Dr. Llewellyn R. Williams

Physical Science Administrator
National Exposure Research Laboratory
US Environmental Protection Agency (EPA)
Las Vegas, Nevada

"Llew" received his PhD in aquatic ecology from Rutgers University in 1971, and is a 26-year "veteran" with the US EPA. There, he has led research in the development of chemical and biological methods, sampling approaches, and quality assurance. He served as the senior limnologist for the National Eutrophication Survey of 815 US lakes and received for his actions EPA's highest award—the Gold Medal. Llew has organized and chaired numerous national and international workshops and symposia, including the highly successful symposium on "ecosystem vulnerability" co-sponsored with the Society of Environmental Toxicology and Chemistry (SETAC) and held in Seattle in August, 1998. He has authored over 100 peer-reviewed technical articles and reports in chemistry, biology, statistics, and quality assurance. Llew chairs or serves on numerous Agency, interagency, and professional committees and was a founder and first chair of the Interagency Committee on Quality Assurance for Environmental Measurements. Llew currently is leading a multi-disciplinary research team to determine the implications of "30 years of change" on ecosystems in the mid-Atlantic states area using GIS, satellite, and other remote imagery, and selected ground-based measures and indicators.

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Dr. Barry W. Wilson

Professor, Departments of Animal Science and Environmental Toxicology
University of California, Davis

Dr. Wilson is a neurotoxicologist and ecotoxicologist interested in animal and human health. Dr. Wilson was trained at the University of Chicago (BA), Illinois Institute of Technology (MS), and obtained a PhD in Zoology from UCLA (1962). He joined the faculty at UC Davis in 1962. His research at UC Davis has been on neuromuscle biology, toxicology, cell and developmental biology with a focus on agrochemical and neurochemical agents. Recent studies include the impact of orchard sprays on wildlife, mechanisms of neurotoxicity, standardizing clinical tests for blood acetylcholinesterases in man and other animals, fecal steroids as biomarkers of reproductive effectiveness and use of nerve, muscle, liver and other cell cultures to study actions of heavy metals, organophosphate and chlorinated hydrocarbons. Dr. Wilson was Chair of the Department of Avian Sciences from 1991 to 1996. He has served on advisory committees for the US EPA, US NIEHS, and the National Research Council. He coordinated the Ecosystem Health section and coedited a recent Conference Symposium "Multiple Stresses in Ecosystems" (Lewis Publishers, Editors J.J. Cech, D.G. Crosby, B.W. Wilson, 1998) and authored "Cholinesterase Inhibition" (Encyclopedia of Toxicology, Volume 1, Editor, Wexler; pp 3265-3340, Academic Press, 1998).

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