Under Section 7 of the United States Endangered Species Act (ESA) analyses at the population and species scales as well as impacts to designated critical habitat are initiated if any individuals of an ESA-listed species are likely to be adversely affected by a Federal Agency's Action.  The registration and authorized uses of pesticides under the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) is a federal action by U.S. Environmental Protection Agency that may trigger analyses at that population and species scales.  In April 2013 a National Research Council Committee of the National Academies released a report entitled �Assessing Risks to Endangered and Threatened Species from Pesticides�. The report provided recommendations on modeling pesticide effects at the population level including estimating population responses to a range of anticipated exposure concentrations.  Here we describe key elements that should be considered when evaluating effects to populations of threatened and endangered species from exposure to pesticides.

Considerations for evaluating endangered species: A regulatory perspective

248th National Meeting (2014)

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