Oxygen depletion: A new form of ocean habitat loss

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Mean dissolved oxygen concentrations in the worlds oceans at a depth of 400 meters (1312 feet) with blue contours representing the lowest concentrations. Boxed areas represent ocean regions analyzed in the study. Credit: AAASScience
Mean dissolved oxygen concentrations in the world's oceans at a depth of 400 meters (1,312 feet) with blue contours representing the lowest concentrations. Boxed areas represent ocean regions analyzed in the study. Credit: AAAS/Science

An international team of physical oceanographers including a researcher from Scripps Institution of Oceanography at UC San Diego has discovered that oxygen-poor regions of tropical oceans are expanding as the oceans warm, limiting the areas in which predatory fishes and other marine organisms can live or enter in search of food.


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