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Changing ocean alters food web

Summit County Citizens Voice

Study documents shifts caused by warming seas, other stressors

A chemical analysis of dolphin skin cells helped scientists track changes in the ocean food chain. @bberwyn photo.

Staff Report

Big fish eat little fish is the conventional wisdom of the sea, but it’s not always quite so simple. When Global warming and El Niño combined in 2015 and 2016 to warm the Pacific Ocean to new record-high temperatures, it shifted the food chain significantly, according to scientists with NOAA, the Moss Landing Marine Laboratories and the Scripps Institution of Oceanography.

According to their new study, published in the journal Science Advances,  the food web “changed in response to various natural and anthropogenic related stressors,” said lead author Rocio I. Ruiz-Cooley, formerly of NOAA Fisheries’ Southwest Fisheries Science Center and now at Moss Landing Marine Laboratories. “This tells us that the food web is very dynamic, and reveals changes with…

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October 24, 2017 - Posted by | Uncategorized

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