An ocean acidification-simulated system and its application in coral physiological studies

ZHENG Xinqing; WANG Chenying; HADI Tri Aryono; YE Youyin; PAN Ke

doi:10.1007/s13131-018-1223-3

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Article Navigation > Acta Oceanologica Sinica > 2018 > 37(12): 55-62

ZHENG Xinqing, WANG Chenying, HADI Tri Aryono, YE Youyin, PAN Ke. An ocean acidification-simulated system and its application in coral physiological studies[J]. Acta Oceanologica Sinica, 2018, 37(12): 55-62. doi: 10.1007/s13131-018-1223-3

Citation:

ZHENG Xinqing, WANG Chenying, HADI Tri Aryono, YE Youyin, PAN Ke. An ocean acidification-simulated system and its application in coral physiological studies[J]. Acta Oceanologica Sinica, 2018, 37(12): 55-62. doi: 10.1007/s13131-018-1223-3

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An ocean acidification-simulated system and its application in coral physiological studies

doi: 10.1007/s13131-018-1223-3

1.
Third Institute of Oceanography, Ministry of Natural Resources, Xiamen 361005, China
2.
Research Center for Oceanography, Indonesian Institute of Sciences, Jakarta 14430, Indonesia
3.
Institute for Advanced Study, Shenzhen University, Shenzhen 518060, China

Received Date: 2017-06-15

Abstract

Abstract

Due to the elevated atmospheric carbon dioxide, ocean acidification (OA) has recently emerged as a research theme in marine biology due to an expected deleterious effect of altered seawater chemistry on calcification. A system simulating future OA scenario is crucial for OA-related studies. Here, we designed an OA-simulated system (OASys) with three solenoid-controlled CO₂ gas channels. The OASys can adjust the pH of the seawater by bubbling CO₂ gas into seawaters via feedback systems. The OASys is very simple in structure with an integrated design and is new-user friendly with the instruction. Moreover, the OASys can monitor and record real-time pH values and can maintain pH levels within 0.02 pH unit. In a 15-d experiment, the OASys was applied to simulate OA in which the expected target pH values were 8.00, 7.80 and 7.60 to study the calcifying response of Galaxea fascicularis. The results showed daily mean seawater pH values held at pH 8.00±0.01, 7.80±0.01 and 7.61±0.01 over 15 d. Correspondingly, the coral calcification of G. fascicularis gradually decreased with reduced pH.
- ocean acidification,
- OASys,
- coral,
- Galaxea fascicularis

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References(51)

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