Declining oxygen in the global ocean and coastal waters - PubMed (original) (raw)

Review

. 2018 Jan 5;359(6371):eaam7240.

doi: 10.1126/science.aam7240.

Lisa A Levin 2, Andreas Oschlies 3, Marilaure Grégoire 4, Francisco P Chavez 5, Daniel J Conley 6, Véronique Garçon 7, Denis Gilbert 8, Dimitri Gutiérrez 9 10, Kirsten Isensee 11, Gil S Jacinto 12, Karin E Limburg 13, Ivonne Montes 14, S W A Naqvi 15, Grant C Pitcher 16 17, Nancy N Rabalais 18, Michael R Roman 19, Kenneth A Rose 19, Brad A Seibel 20, Maciej Telszewski 21, Moriaki Yasuhara 22, Jing Zhang 23

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Review

Declining oxygen in the global ocean and coastal waters

Denise Breitburg et al. Science. 2018.

Abstract

Oxygen is fundamental to life. Not only is it essential for the survival of individual animals, but it regulates global cycles of major nutrients and carbon. The oxygen content of the open ocean and coastal waters has been declining for at least the past half-century, largely because of human activities that have increased global temperatures and nutrients discharged to coastal waters. These changes have accelerated consumption of oxygen by microbial respiration, reduced solubility of oxygen in water, and reduced the rate of oxygen resupply from the atmosphere to the ocean interior, with a wide range of biological and ecological consequences. Further research is needed to understand and predict long-term, global- and regional-scale oxygen changes and their effects on marine and estuarine fisheries and ecosystems.

Copyright © 2018, American Association for the Advancement of Science.

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