Ecological effects characterization

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Term Ecological effects characterization
Description describes how toxic a pesticide is to different organisms and/or to other ecological entities (i.e., community), what effects it produces, how the effects relate to the assessment endpoints, and how these effects change with varying levels of pesticide exposure.
Definition Ecological effects characterization

Describes how toxic a pesticide is to different organisms and/or to other ecological entities (i.e., community), what effects it produces, how the effects relate to the assessment endpoints, and how these effects change with varying levels of pesticide exposure. The process for examining effects is called ecological effects characterization, whereas the process for examining exposure is called exposure characterization. During the analysis phase, risk assessors: select data that can be used to characterize exposure and ecological effects; characterize exposure by examining sources of the pesticide(s) or stressors, distribution of the pesticides in the environment, and extent of contact with pesticides; characterize effects by examining stressor-response relationships, evidence for cause and effect, relationship between measures of effect and assessment endpoints; summarize conclusions about exposure and effects.

References http://www.epa.gov/oppefed1/ecorisk_ders/toera_analysis_eco.htm
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