Brian J. Pyper

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Foodborne botulism is a potentially fatal paralytic illness caused by ingestion of neurotoxin produced by the spore-forming bacterium Clostridium botulinum. Historically, home-canned vegetables have been the most common cause of botulism outbreaks in the United States. During 2008 and 2009, the Centers for Disease Control and Prevention (CDC) and state and(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)
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)
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