NEWPORT, Ore. – The National Oceanic and Atmospheric Administration has awarded Oregon State University and its research partners $4.2 million to investigate how multiple climate change-related stressors are impacting marine ecosystems off the coast of Oregon, Washington and Northern California.
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The Inside Story: Our Changing Climate (Episode 05 – September 16, 2021)
Voice of VOA Correspondent CAROLYN PRESUTTI:
Protecting the world we share. Global leaders take a stand on
climate change.
U.S. President Joe Biden:
The extreme weather cost America last.
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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. view more
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.