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Chronic Effects and Toxicity of Contaminants to Organisms in Aquatic and Marine Systems
Case Studies in Environmental Toxicology
Hosted by Northwest Environmental Training Center

The emphasis of this class is on the toxicity of contaminants to organisms in aquatic and marine systems. In the recent history of environmental toxicology, the understanding of the potential for non-lethal effects to low levels, environmentally realistic concentrations, of contaminants has increased. This has resulted in a focused assessment of what effects to look for, how these effects occur, and what contaminants cause the effects and at what concentrations.

These sublethal effects can decrease the fitness of exposed populations, and are an important component to consider when contaminant exposures are possible. Four general categories of sublethal effects will be discussed using examples from the literature and government documents. Discussions on controlled studies will be used to help guide an understanding of the modes through which effects occur and field studies will be discussed as they contribute to our understanding of these effects.

Tuition: $250 (*$195 reduced tuition available for Native American tribes; government employees; nonprofits; students; and NAEP, NEBC, NWAEP members). For general information contact Kristine Robson by telephone at 206-762-1976 (Fax: 206-762-1979) or via e-mail at krobson@nwetc.org

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