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Related Experiment Video

Updated: Apr 19, 2026

Prospecting Microbial Strains for Bioremediation and Probiotics Development for Metaorganism Research and Preservation
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The positive relationship between ocean acidification and pollution.

Xiangfeng Zeng1, Xijuan Chen2, Jie Zhuang3

  • 1Key Laboratory of Pollution Ecology and Environmental Engineering, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China; University of Chinese Academy of Sciences, Beijing 100039, China.

Marine Pollution Bulletin
|December 24, 2014
PubMed
Summary

Ocean acidification and marine pollution interact, worsening impacts on ecosystems. Pollution-driven respiration in coastal areas acidifies oceans more than carbon dioxide uptake, highlighting the need for pollution control.

Keywords:
BiotoxicityCarbon dioxideHeavy metalOcean acidificationOilPollution

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Area of Science:

  • Marine biology
  • Environmental science
  • Oceanography

Background:

  • Ocean acidification and marine pollution are concurrent stressors impacting marine ecosystems.
  • These stressors can interact, potentially amplifying negative effects on marine life and ecosystem services.
  • Pollutants like heavy metals and oils can alter marine organism physiology and contribute to ocean acidification.

Purpose of the Study:

  • To review the complex interactions between ocean acidification and marine pollution.
  • To synthesize information on the combined effects of multiple stressors on marine ecosystems.
  • To assess the role of pollution in exacerbating ocean acidification, particularly in coastal regions.

Main Methods:

  • Literature review and synthesis of existing research on ocean acidification and marine pollution.
  • Analysis of the mechanisms by which pollutants affect marine organisms and water chemistry.
  • Evaluation of the relative contributions of pollution and carbon dioxide uptake to coastal ocean acidification.

Main Results:

  • Ocean acidification can increase the toxicity and bioavailability of heavy metals.
  • Pollutants can reduce photosynthesis and increase respiration rates in marine organisms.
  • Pollution-induced respiration in coastal areas contributes significantly to ocean acidification, sometimes exceeding the impact of anthropogenic carbon dioxide uptake.
  • Coastal regions are particularly vulnerable due to pollutant influx from land-based sources.

Conclusions:

  • Ocean acidification and marine pollution create synergistic negative impacts on marine ecosystems.
  • Pollution plays a significant role in driving coastal ocean acidification.
  • Effective coastal environmental protection and pollution control are crucial strategies for mitigating ocean acidification risks.