| The effects of a warm-core eddy on chlorophyll a distribution and phytoplankton community structure in the northern South China Sea in spring 2017 | |
Dai, Sheng1,3 ; Zhao, Yongfang1; Liu, Huajian1,3; Hu, Ziyuan1; Zheng, Shan1; Zhu, Mingliang1; Guo, Shujin1; Sun, Xiaoxia1,2,3,4
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| 2020-10-01 | |
| 发表期刊 | JOURNAL OF MARINE SYSTEMS
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| ISSN | 0924-7963 |
| 卷号 | 210页码:12 |
| 摘要 | Due to the unique physical processes of mesoscale eddies, the chemical properties and biological composition within an eddy and in the surrounding water are distinct. At present, the physical-biological coupling process in warm-core eddies remains unclear. In March 2017, a warm-core eddy formed due to the Kuroshio intrusion into the northern South China Sea (nSCS). The phytoplankton community structure within and surrounding the eddy was measured and determined using HPLC-CHEMTAX analytical techniques. The averaged water column-integrated concentration of total-chlorophyll a (total-Chl a) inside was similar to that outside the eddy, and an enhancement of phytoplankton biomass and a thickening deep Chl a maximum (DCM) layer were detected within the eddy. There were significant differences (one-way analysis of similarity, R = 0.308, P < 0.01) in the phytoplankton community structures inside and outside of the eddy. The relative contribution of haptophytes-8 was significantly higher inside than outside the eddy, whereas the relative contribution of prochlorophytes was significantly lower, and the phytoplankton community composition inside the eddy had high similarity with that in shelf water. Offshore water was transported to the open sea by warm eddies near the continent, which increased the phytoplankton biomass and changed the community composition. Phytoplankton was transported to deep layers and was evenly distributed in the eddy core. The physical and biochemical processes of warm-core eddies on the nSCS slope need further study. |
| 关键词 | HPLC-CHEMTAX Chlorophyll a Phytoplankton community structure Warm-core eddy Northern South China Sea slope |
| DOI | 10.1016/j.jmarsys.2020.103396 |
| 收录类别 | SCI |
| 语种 | 英语 |
| 资助项目 | Natural Basic Research Program of China[2014CB441504]; Key Research Program of Frontier Sciences CAS[QYZDB-SSW-DQC024]; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB42000000]; Taishan Scholars Project; CAS Interdisciplinary Innovation Team |
| WOS研究方向 | Geology ; Marine & Freshwater Biology ; Oceanography |
| WOS类目 | Geosciences, Multidisciplinary ; Marine & Freshwater Biology ; Oceanography |
| WOS记录号 | WOS:000551472300004 |
| 出版者 | ELSEVIER |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 版本 | 出版稿 |
| 条目标识符 | http://ir.qdio.ac.cn/handle/337002/167976 |
| 专题 | 胶州湾海洋生态系统国家野外研究站 |
| 通讯作者 | Sun, Xiaoxia |
| 作者单位 | 1.Chinese Acad Sci, Inst Oceanol, Jiaozhou Bay Natl Marine Ecosyst Res Stn, 7 Nanhai Rd, Qingdao 266071, Peoples R China 2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China 3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 4.Chinese Acad Sci, Ctr Ocean Mega Sci, Qingdao 266071, Peoples R China |
| 第一作者单位 | 中国科学院海洋研究所 |
| 通讯作者单位 | 中国科学院海洋研究所 |
| 推荐引用方式 GB/T 7714 | Dai, Sheng,Zhao, Yongfang,Liu, Huajian,et al. The effects of a warm-core eddy on chlorophyll a distribution and phytoplankton community structure in the northern South China Sea in spring 2017[J]. JOURNAL OF MARINE SYSTEMS,2020,210:12. |
| APA | Dai, Sheng.,Zhao, Yongfang.,Liu, Huajian.,Hu, Ziyuan.,Zheng, Shan.,...&Sun, Xiaoxia.(2020).The effects of a warm-core eddy on chlorophyll a distribution and phytoplankton community structure in the northern South China Sea in spring 2017.JOURNAL OF MARINE SYSTEMS,210,12. |
| MLA | Dai, Sheng,et al."The effects of a warm-core eddy on chlorophyll a distribution and phytoplankton community structure in the northern South China Sea in spring 2017".JOURNAL OF MARINE SYSTEMS 210(2020):12. |
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