Institutional Repository of Key Laboratory of Marine Ecology & Environmental Sciences, CAS
| The sinking of the phytoplankton community and its contribution to seasonal hypoxia in the Changjiang (Yangtze River) estuary and its adjacent waters | |
Li, Zhao1,2; Song, Shuqun1; Li, Caiwen1,2; Yu, Zhiming1,2
| |
| 2018-08-31 | |
| Source Publication | ESTUARINE COASTAL AND SHELF SCIENCE
 |
| ISSN | 0272-7714 |
| Volume | 208Pages:170-179 |
| Subtype | Article |
| Abstract | The phytoplankton sinking rates and the annual variations of dissolved oxygen (DO) were studied as part of a multi-disciplinary investigation in the Changjiang (Yangtze River) Estuary (CE) and its adjacent waters from February 2015 to January 2016. The sinking rates of phytoplankton ranged from 0.02 to 3.49 m d(-1), determined with the homogeneous sample method SETCOL. There was clear correlation between sinking rate and the phytoplankton composition. The diatom-dominated community had higher sinking rates than the dinoflagellate-dominated community, and the variation in DO concentration indicated a close relationship with the blooming and senescence of phytoplankton. Low DO (< 3 mg L-1) or hypoxic (< 2 mg L-1) zones were observed in near-bottom waters between July and October. Hypoxia reached its maximum in October, with a low DO zone covering approximately 4500 km(2) of the survey area. The zones of lowest DO in near-bottom water were closely associated with zones of the highest chlorophyll a (Chl a) and the highest phytoplankton sinking rates in the upper layer. The present study presents straightforward evidence on the formation of low DO and hypoxia in near-bottom waters and its correlation with sinking of the phytoplankton community, and provides useful insight to reveal the formation mechanism of seasonal hypoxia in the CE and its adjacent waters. |
| Keyword | Phytoplankton Community structure Sinking rates Hypoxia SETCOL method |
| Subject Area | Marine & Freshwater Biology ; Oceanography |
| DOI | 10.1016/j.ecss.2018.05.007 |
| Indexed By | SCIE |
| Language | 英语 |
| WOS Research Area | Marine & Freshwater Biology ; Oceanography |
| WOS ID | WOS:000437553400017 |
| Publisher | ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.qdio.ac.cn/handle/337002/157543 |
| Collection | 海洋生态与环境科学重点实验室 |
| Affiliation | 1.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China 2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Ecol & Environm Sci, Qingdao 266237, Peoples R China 3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China |
| First Author Affilication | Key Laboratory of Marine Ecology & Environmental Sciences, CAS |
| Recommended Citation GB/T 7714 | Li, Zhao,Song, Shuqun,Li, Caiwen,et al. The sinking of the phytoplankton community and its contribution to seasonal hypoxia in the Changjiang (Yangtze River) estuary and its adjacent waters[J]. ESTUARINE COASTAL AND SHELF SCIENCE,2018,208:170-179. |
| APA | Li, Zhao,Song, Shuqun,Li, Caiwen,&Yu, Zhiming.(2018).The sinking of the phytoplankton community and its contribution to seasonal hypoxia in the Changjiang (Yangtze River) estuary and its adjacent waters.ESTUARINE COASTAL AND SHELF SCIENCE,208,170-179. |
| MLA | Li, Zhao,et al."The sinking of the phytoplankton community and its contribution to seasonal hypoxia in the Changjiang (Yangtze River) estuary and its adjacent waters".ESTUARINE COASTAL AND SHELF SCIENCE 208(2018):170-179. |
| Files in This Item: | ||||||
| File Name/Size | DocType | Version | Access | License | ||
| The sinking of the p（4578KB） | 期刊论文 | 出版稿 | 开放获取 | CC BY-NC-SA | View | |
Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.
Edit Comment