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Effects of ocean acidification on the physiological performance and carbon production of the Antarctic sea ice diatom Nitzschia sp ICE-H
Qu, Chang-Feng1; Liu, Fang-Ming1; Zheng, Zhou1; Wang, Yi-Bin1; Li, Xue-Gang2; Yuan, Hua-Mao2; Li, Ning2; An, Mei-Ling1,3; Wang, Xi-Xi1; He, Ying-Ying1; Li, Lu-Lu1; Miao, Jin-Lai1
2017-07-15
Source PublicationMARINE POLLUTION BULLETIN
Volume120Issue:1-2Pages:184-191
SubtypeArticle
AbstractOcean acidification (OA) resulting from increasing atmospheric CO2 strongly influences marine ecosystems, particularly in the polar ocean due to greater CO2 solubility. Here, we grew the Antarctic sea ice diatom Nitzschia sp. ICE-H in a semicontinuous culture under low (similar to 400 ppm) and high (1000 ppm) CO2 levels. Elevated CO2 resulted in a stimulated physiological response including increased growth rates, chlorophyll a contents, and nitrogen and phosphorus uptake rates. Furthermore, high CO2 enhanced cellular particulate organic carbon production rates, indicating a greater shift from inorganic to organic carbon. However, the cultures grown in high CO2 conditions exhibited a decrease in both extracellular and intracellular carbonic anhydrase activity, suggesting that the carbon concentrating mechanisms of Nitzschia sp. ICE-H may be suppressed by elevated CO2. Our results revealed that OA would be beneficial to the survival of this sea ice diatom strain, with broad implications for global carbon cycles in the future ocean.
KeywordOcean Acidification Antarctic Sea Ice Microalgae Nitzschia Photosynthesis Particulate Organic Carbon Carbonic Anhydrase
DOI10.1016/j.marpolbul.2017.05.018
Indexed BySCI
Language英语
WOS IDWOS:000407539300032
Citation statistics
Document Type期刊论文
Version出版稿
Identifierhttp://ir.qdio.ac.cn/handle/337002/143106
Collection海洋生态与环境科学重点实验室
Affiliation1.State Ocean Adm, Inst Oceanog 1, Qingdao 266071, Shandong, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Shandong, Peoples R China
3.Qing Dao Univ, Qingdao 266071, Shandong, Peoples R China
Recommended Citation
GB/T 7714
Qu, Chang-Feng,Liu, Fang-Ming,Zheng, Zhou,et al. Effects of ocean acidification on the physiological performance and carbon production of the Antarctic sea ice diatom Nitzschia sp ICE-H[J]. MARINE POLLUTION BULLETIN,2017,120(1-2):184-191.
APA Qu, Chang-Feng.,Liu, Fang-Ming.,Zheng, Zhou.,Wang, Yi-Bin.,Li, Xue-Gang.,...&Miao, Jin-Lai.(2017).Effects of ocean acidification on the physiological performance and carbon production of the Antarctic sea ice diatom Nitzschia sp ICE-H.MARINE POLLUTION BULLETIN,120(1-2),184-191.
MLA Qu, Chang-Feng,et al."Effects of ocean acidification on the physiological performance and carbon production of the Antarctic sea ice diatom Nitzschia sp ICE-H".MARINE POLLUTION BULLETIN 120.1-2(2017):184-191.
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