News & Announcements

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Killer Whales' Fate Linked to Salmon

NWFSC scientists Eric Ward and Elizabeth Holmes, along with Ken Balcomb of the Center for Whale Research, have found a correlation between the abundance of Chinook salmon and the fecundity (reproductive success) of killer whales.

June 30, 2009 - Feature Story ,

West Coast

Pesticide Mixtures: Deadly Synergy in Salmon

Poisoned waters a toxic brew for salmon

March 04, 2009 - Feature Story ,

West Coast

This graph shows the hypothetical difference between the effects of an individual pesticide and pesticide mixtures on salmon brain function, as indicated by the degree to which the pesticide(s) inhibit function of an important enzyme acetylcholinesterase (AChE). As seen here, the potential neurobehavioral toxicity of the pesticide mixture can be additive or, if greater than the sum of its parts, synergistic.