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Center for Ecological Health Research (Cal Davis)

University of California - Davis

The central goal of the Center is to understand how multiple stresses affect biological processes in aquatic and terrestrial systems. Within five to ten years, research in this area should provide improved indicators of ecological change from multiple environmental stressors as well as techniques to predict and manage at least population-level changes in impacted species. Integrated biochemical and ecological studies will provide improved understanding of stressor effects at the ecosystem level. The objectives of the center are: (1) conduct multidisciplinary research on complex ecosystem processes, (2) develop new data management, analysis and modeling techniques, (3) develop new, sensitive and reliable methods of molecular and population epidemiology, and (4) use these new methodologies and increased understanding to predict effects of multiple stresses organized by aquatic and terrestrial environmental research areas, with subdivisions into lakes and wetlands, rivers and estuaries, forests, and agriculture. Four additional core programs provide service, technical support, and developmental capability for new approaches: Analytical, Molecular Epidemiology, Transport and Fate, and Decision Support systems.

Center Publications:

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Main Center Abstract and Reports:

Center for Ecological Health Research

Center Research Projects:

R825433C001 - Potential for Long-Term Degradation of Wetland Water Quality Due to Natural Discharge of Polluted Groundwater

R825433C002 - Sacramento River Watershed

R825433C003 - Endocrine Disruption in Fish and Birds

R825433C004 - Biomarkers of Exposure and Deleterious Effect: A Laboratory and Field Investigation

R825433C005 - Fish Developmental Toxicity/Recruitment

R825433C006 - Resolving Multiple Stressors by Biochemical Indicator Patterns and their Linkages to Adverse Effects on Benthic Invertebrate Patterns

R825433C007 - Environmental Chemistry of Bioavailability in Sediments and Water Column

R825433C008 - Reproduction of Birds and mammals in a terrestrial-aquatic interface

R825433C009 - Modeling Ecosystems Under Combined Stress

R825433C010 - Mercury Uptake by Fish

R825433C011 - Clear Lake Watershed

R825433C012 - The Role of Fishes as Transporters of Mercury

R825433C013 - Wetlands Restoration

R825433C014 - Wildlife Bioaccumulation and Effects

R825433C015 - Microbiology of Mercury Methylation in Sediments

R825433C016 - Hg and Fe Biogeochemistry

R825433C017 - Water Motions and Material Transport

R825433C018 - Economic Impacts of Multiple Stresses

R825433C019 - The History of Anthropogenic Effects

R825433C020 - Wetland Restoration

R825433C021 - Sierra Nevada Watershed Project

R825433C022 - Regional Transport of Air Pollutants and Exposure of Sierra Nevada Forests to Ozone

R825433C023 - Biomarkers of Ozone Damage to Sierra Nevada Vegetation

R825433C024 - Effects of Air Pollution on Water Quality: Emission of MTBE and Other Pollutants From Motorized Watercraft

R825433C025 - Regional Movement of Toxics

R825433C026 - Effect of Photochemical Reactions in Fog Drops and Aerosol Particles on the Fate of Atmospheric Chemicals in the Central Valley

R825433C027 - Source Load Modeling for Sediment in Mountainous Watersheds

R825433C028 - Stress of Increased Sediment Loading on Lake and Stream Function

R825433C029 - Watershed Response to Natural and Anthropogenic Stress: Lake Tahoe Nutrient Budget

R825433C030 - Mercury Distribution and Cycling in Sierra Nevada Waterbodies

R825433C031 - Pre-contact Forest Structure

R825433C032 - Identification and distribution of pest complexes in relation to late seral/old growth forest structure in the Lake Tahoe watershed

R825433C033 - Subalpine Marsh Plant Communities as Early Indicators of Ecosystem Stress

R825433C034 - Regional Hydrogeology and Contaminant Transport in a Sierra Nevada Ecosystem

R825433C035 - Border Rivers Watershed

R825433C036 - Toxicity Studies

R825433C037 - Watershed Assessment

R825433C038 - Microbiological Processes in Sediments

R825433C039 - Analytical and Biomarkers Core

R825433C040 - Organic Analysis

R825433C041 - Inorganic Analysis

R825433C042 - Immunoassay and Serum Markers

R825433C043 - Sensitive Biomarkers to Detect Biochemical Changes Indicating Multiple Stresses Including Chemically Induced Stresses

R825433C044 - Molecular, Cellular and Animal Biomarkers of Exposure and Effect

R825433C045 - Microbial Community Assays

R825433C046 - Cumulative and Integrative Biochemical Indicators

R825433C047 - Mercury and Iron Biogeochemistry

R825433C048 - Transport and Fate Core

R825433C049 - Role of Hydrogeologic Processes in Alpine Ecosystem Health

R825433C050 - Regional Hydrologic Modeling With Emphasis on Watershed-Scale Environmental Stresses

R825433C051 - Development of Pollutant Fate and Transport Models for Use in Terrestrial Ecosystem Exposure Assessment

R825433C052 - Pesticide Transport in Subsurface and Surface Water Systems

R825433C053 - Currents in Clear Lake

R825433C054 - Data Integration and Decision Support Core

R825433C055 - Spatial Patterns and Biodiversity

R825433C056 - Modeling Transport in Aquatic Systems

R825433C057 - Spatial and Temporal Trends in Water Quality

R825433C058 - Time Series Analysis and Modeling Ecological Risk

R825433C059 - WWW/Outreach

R825433C060 - Economic Effects of Multiple Stresses

R825433C061 - Effects of Nutrients on Algal Growth

R825433C062 - Nutrient Loading

R825433C063 - Subalpine Wetlands as Early Indicators of Ecosystem Stress

R825433C064 - Chlorinated Hydrocarbons

R825433C065 - Sierra Ozone Studies

R825433C066 - Assessment of Multiple Stresses on Soil Microbial Communities

R825433C067 - Terrestrial - Agriculture

R825433C068 - Nematodes

R825433C069 - Molecular Epidemiology Core

R825433C070 - Serum Markers of Environmental Stress

R825433C071 - Development of Sensitive Biomarkers Based on Chemically Induced Changes in Expressions of Oncogenes

R825433C072 - Molecular Monitoring of Microbial Populations

R825433C073 - Aquatic - Rivers and Estuaries

R825433C074 - Border Rivers - Toxicity Studies

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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoints of the principal investigator and may not represent the views and policies of ORD and EPA. Conclusions drawn by the principal investigators have not been reviewed by the Agency.

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