Brian J. Pyper

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Hazard quotients based on a point-estimate comparison of exposure to a toxicity reference value (TRV) are commonly used to characterize risks for wildlife. Quotients may be appropriate for screening-level assessments but should be avoided in detailed assessments, because they provide little insight regarding the likely magnitude of effects and associated(More)
Accurate and precise determination of optimal spawning escapement is crucial to harvest management of sockeye salmon (Oncorhynchus nerka). Such escapements have been used as basis for determining biological reference points in the recent move toward implementing conservation-oriented policies related to the precautionary approach to fisheries management.(More)
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