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Effects of Elevated Carbon Dioxide on Marine Ecosystem and Associated Fishes

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Thalassas: An International Journal of Marine Sciences Aims and scope Submit manuscript

Abstract

Carbon dioxide (CO2) concentrations at the ocean surface are in approximate equilibrium with the atmosphere. Consequently, the amount of CO2 dissolved in oceans increases with increasing atmospheric CO2 concentrations. Through ocean acidification, increase uptake of CO2 at the ocean surface lowers the ocean pH level. The availability of dissolved carbonate and bicarbonate primarily caused by CO2 uptake from the atmosphere also changes. Periodically or permanently elevated CO2 concentrations can become a general stress factor in aquatic environments. Excess CO2 can affect the surrounding ocean life, i.e., disturbing growth performance, reproduction, changes in skeletal and otolith development, and fish behavior. Studies on the effects of ocean acidification on fish species have recently received attention. This condition can lead to severe problems if atmospheric CO2 concentrations continue to rise. Therefore, management intervention and decisive action on excessive CO2 emission are necessary to overcome this situation. The information discussed in this review can be utilized as reference in understanding the effects of ocean acidification on marine ecosystem and associated fishes.

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Acknowledgments

The MyBrain15 scholarship to the first author is gratefully acknowledged. We would like to thank the anonymous reviewers, and our colleagues (Prof. Cob, ZC; Prof. Ghaffar, MA; Prof. Sharifah MSA; and Dr. De, M) for their very useful comments that greatly improved the earlier version of the manuscript. This study was funded by Institute of Climate Change, Universiti Kebangsaan Malaysia (UKM) through the research grant GUP-2017-023, UKM-Sime Darby Foundation Chair in Climate Change ZF-2019-003, and Ministry of Higher Education through the Fundamental Research Grant FRGS/1/2017/STG03/UKM/02/5 to the corresponding author.

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Correspondence to Simon Kumar Das.

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On behalf of all authors, the corresponding author states that there is no conflict of interest.

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Noor, N.M., Das, S.K. Effects of Elevated Carbon Dioxide on Marine Ecosystem and Associated Fishes. Thalassas 35, 421–429 (2019). https://doi.org/10.1007/s41208-019-00161-3

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  • DOI: https://doi.org/10.1007/s41208-019-00161-3

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