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Ecological Risk Assessment Training
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Measures of Effect

key pointMeasures of effect are measurable changes in an attribute of an assessment endpoint (or its surrogate) in response to a stressor to which it is exposed.

Reminder! The sample assessment endpoints are:

  • Breeding success.
  • Fry survival.
  • Adult return rates.
activity Measures of Effect
     text-only version

Relevant guidelines section(s): 3.5.1, Text Box 3-16


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