What is Ocean Deoxygenation? episode artwork

EPISODE · Mar 3, 2026 · 38 MIN

What is Ocean Deoxygenation?

from Oceanography

The ocean is losing oxygen, with effects across food webs. Dr. Sven Pallacks explains ocean deoxygenation, how oxygen enters and moves through seawater, and why oxygen minimum zones develop. The episode connects warming, circulation, dead zones, and marine life, then uses fish ear stones called otoliths to examine past declines in mesopelagic fish. A clear introduction to an invisible change reshaping ocean ecosystems..Support our science communication by joining us on Patreon or sending us a gift on PayPalSpecial thanks to the Monterey Bay Aquarium for sponsoring this episode.Episode Guests: Dr. Sven PallacksFind Dr. Pallacks’ publications on Google ScholarRead Dr. Pallacks’ article,  Ocean deoxygenation linked to ancient mesopelagic fish decline. Visit the Smithsonian Tropical Research Institute websiteVisit the O'DEA Lab hereEpisode Transcript and more information on the Pine Forest Media websiteFollow Pine Forest Media on Instagram @pineforestmediaHosted, produced, and edited by Clark Marchese Cover art by Jomiro EmingTheme music by Nela RuizFind some more Pine Forest Media podcasts belowListen to Plastic Podcast on Spotify or Apple PodcastsListen to South Pole on Spotify or Apple PodcastsListen to Something in the Water on Spotify or Apple Podcasts Hosted on Acast. See acast.com/privacy for more information.

Episode metadata supplied by the publisher feed · Published Mar 3, 2026

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What is Ocean Deoxygenation?

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