Tag Archives: Scripps

Podcast Interview with Director of the Scripps Institute of Oceanography, Dr. Margaret Leinen

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On this episode of our Changing Waters podcast, host and GOH Director Brad Warren sits down with Dr. Margaret Leinen, the Director of the Scripps Institution of Oceanography. Margaret Leinen, a highly distinguished national leader and oceanographer, was appointed the eleventh director of Scripps Institution of Oceanography at UC San Diego in July 2013. She also serves as UC San Diego’s vice chancellor for marine sciences and dean of the School of Marine Sciences. She joined UC San Diego in October 2013.

Leinen is an award-winning oceanographer and an accomplished executive with extensive national and international experience in ocean science, global climate and environmental issues, federal research administration, and non-profit startups. She is a researcher in paleo-oceanography and paleo-climatology. Her work focuses on ocean sediments and their relationship to global biogeochemical cycles and the history of Earth’s ocean and climate.

Nervous Nemo: Ocean Acidification Could Make Fish Anxious

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By Douglas Maine, December 6th, 2013  Livescience.com

Ocean acidification threatens to make fish, like this juvenile rockfish, more anxious.

Ocean acidification threatens to make fish, like this juvenile rockfish, more anxious.
Credit: Scripps Institution of Oceanography

Ocean acidification, which is caused by rising levels of carbon dioxide in the atmosphere being absorbed into the sea, has made many worry because of the problems it will likely create, such as a decline in shellfish and coral reefs. But humans may not be alone in their anxiety: Ocean acidification threatens to make fish more anxious as well (and not because they are reading about ocean acidification on LiveScience.com. At least so far as we know.)

A new study found that after being placed for a week in an aquarium with acidic seawater — as acidic as the oceans are expected to be on average in a century’s time — juvenile rockfish spent more time in a darkened corner, a hallmark of fish anxiety, and the same behavior exhibited by fish given an anxiety-inducing drug.

“They behaved the same way as fish made anxious with a chemical,” said Martin Tresguerres, a marine biologist at the Scripps Institution of Oceanography at the University of California, San Diego.

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