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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
发表期刊MARINE POLLUTION BULLETIN
卷号120期号:1-2页码:184-191
文章类型Article
摘要Ocean 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.
关键词Ocean Acidification Antarctic Sea Ice Microalgae Nitzschia Photosynthesis Particulate Organic Carbon Carbonic Anhydrase
DOI10.1016/j.marpolbul.2017.05.018
收录类别SCI
语种英语
WOS记录号WOS:000407539300032
引用统计
被引频次:12[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
版本出版稿
条目标识符http://ir.qdio.ac.cn/handle/337002/143106
专题海洋生态与环境科学重点实验室
作者单位1.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
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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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