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Saving the salmon

By: Brooke Fisher
Photos: Mark Stone/University of Washington
Top image: CEE associate professor Ed Kolodziej gestures toward Thornton Creek, an urban stream that runs from Shoreline through northeast Seattle until it reaches Lake Washington.
Just as salmon swim against the current, a team of researchers faced a difficult journey on their quest to answer a decades-old problem: what causes the death of coho salmon that are exposed to stormwater runoff?
After five years, the UW-led research team has successfully traced the previously unexplained coho salmon mortality to a formerly unknown chemical that is a byproduct of an industrial chemical widely used to preserve rubber tires of which three billion are produced annually around the world. ....

United States , Tacoma Division , University Of Washington , Lake Washington , Washington State University , Puget Sound , Thornton Creek , San Francisco , Haoqi Zhao , Allan Inger Osberg , Michael Dodd , Edward Kolodziej , Jen Mcintyre , Ed Kolodziej , Pacific Ocean , Melissa Gonzalez , Brooke Fisher , San Francisco Estuary Institute , University Of Washington Tacoma , Uw Freshwater Science Initiative , Uw Tacoma Division Of Sciences Mathematics , Mark Stone University Of Washington , University Of Toronto , Uw Tacoma Center , Southern California Coastal Water Research , Environmental Engineering ,

Acidification impedes shell development of plankton off the US West Coast

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IMAGE: This close-up image of two pteropods of the species Limacina helicina provides a sense of how fragile the carbonate shells of the tiny sea snails are.
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Credit: Credit: NOAA Ocean Acidification Program
Shelled pteropods, microscopic free-swimming sea snails, are widely regarded as indicators for ocean acidification because research has shown that their fragile shells are vulnerable to increasing ocean acidity.
A new study, published in the journal
Scientific Reports, shows that pteropods sampled off the coasts of Washington and Oregon made thinner shells than those in offshore waters. Along the coast, upwelling from deeper water layers brings cold, carbon dioxide-rich waters of relatively low pH to the surface. The research, by a team of Dutch and American scientists, found that the shells of pteropods collected in this upwelling region were 37 percent thinner than ones collected offshore. ....

United States , Costa Mesa , Noord Holland , Nina Bednarsek , Theo Stein , Katja Peijnenburg , Lisette Mekkes , Richard Feely , Ronaldh Brown , Pacific Marine Environmental Laboratory , University Of Amsterdam , Ocean Acidification Program , Naturalis Biodiversity Center , Naturalis Biodiversity Centers , Southern California Coastal Water Research , Scientific Reports , Acidification Program , California Current Ecosystem , Naturalis Biodiversity , West Coast , Marine Environmental Laboratory , Atmospheric Science , Marine Freshwater Biology , Earth Science , Climate Change , ஒன்றுபட்டது மாநிலங்களில் ,