Carbaryl, Carbofuran, and Methomyl - National Marine Fisheries ...

Risk Characterization
In this section we integrate our exposure and response analyses to evaluate the likelihood of
adverse effects to individuals, populations, species, and designated critical habitat (Figure 38).
We combined the exposure analysis with the response analysis to: 1) determine the likelihood of
salmonid and habitat effects occurring from the stressors of the action; 2) evaluate the evidence
presented in the exposure and response analyses to support or refute risk hypotheses; 3) translate
fitness level consequences of individual salmonids to population-level effects; and 4) translate
habitat-associated effects to potential impacts on PCEs of critical habitat. The risk
characterization section concludes with a general summary of species responses from
population-level effects. We then evaluate the effects to specific ESUs and designated critical
habitat in the Integration and Synthesis section.
Risk
Characterization
Exposure Profile Response Profile
Effect on individuals
Effects on populations
Effects on species
(ESU or DPS)
Can EPA ensure that its
action is not likely to
jeopardize the continued
existence of the species?
Analyzed within the context
of the Environmental
Baseline (including
multiple stressors such as
temperature and
environmental mixtures of
pesticides); the Status of
Listed Resources and
Cumulative Effects
Addressed in the
Integration and
Synthesis Section
Figure 38. Schematic of the Risk Characterization Phase
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Effects on habitat
Effects on primary
constituent elements
Effects on conservation
value of designated
habitat
Can EPA ensure that its
action is not likely to
adversely modify or destroy
designated critical habitat?