Exploring contributions and responses of microbial quantity and diversity to coastal seasonal hypoxia
文献类型：期刊论文
| 作者 | Li, Guihao1,4,6; Hu, Jiarong1,4; Zheng, Pengfei7; Zhu, Ping7; Wang, Yaping1; Zou, Songbao9; Zhang, Xiaoli7; Gentekaki, Eleni5; Sun, Song2; Zhu, Aolin3 |
| 刊名 | MARINE POLLUTION BULLETIN
 |
| 出版日期 | 2026-07-01 |
| 卷号 | 228页码:14 |
| 关键词 | Seasonal hypoxia Dissolved oxygen Bacterioplankton Pico-nanoeukaryotes Stepwise regression model Microbial traits |
| ISSN号 | 0025-326X |
| DOI | 10.1016/j.marpolbul.2026.119664 |
| 通讯作者 | Gong, Jun(gongj27@mail.sysu.edu.cn) |
| 英文摘要 | Dissolved oxygen (DO) concentrations in euphotic waters are governed by combined effects from air-sea exchange, photosynthesis, and aerobic respiration. Bacteria and microeukaryotes both respond to and shape these oxygen dynamics, yet the quantitative contributions of microbial traits versus physicochemical factors to DO variability remain unclear. Moreover, the extent to which DO, and other environmental parameters or interdomain biotic interactions control microbial diversity and abundance is still unresolved. To fill these gaps, we conducted a two-month summer survey of a shallow coastal area off Shandong Peninsula, a region frequently affected by seasonal hypoxia. Modelling revealed a depth-dependent divergence in DO drivers: physicochemical variables dominated in surface and bottom waters, whereas microbial traits-particularly the abundance of high nucleic acid bacteria-outperformed environmental factors in the mid-depth layer. Under hypoxic conditions, microbial abundances declined and community structures shifted significantly, yet alpha diversity metrics remained unchanged. Inter-domain interactions were the primary force structuring bacterioplankton communities, exerting a stronger influence than environmental variables. Overall, bottom-water deoxygenation in this coastal system was predominantly by physiochemical processes, especially nutrients loading and stratification, rather than by direct microbial feedback. Non-DO environmental variables and inter-domain interactions emerge as the principal forces structuring planktonic communities, underscoring the need for nutrient-management strategies that account for these complex biotic-abiotic linkages. |
| WOS关键词 | RESPIRATION RATES ; BACTERIOPLANKTON ; SURFACE ; WATERS ; OXYGEN ; OCEAN ; COMMUNITIES ; MORTALITY ; CARBON |
| 资助项目 | National Natural Science Foundation of China[42376086] ; Innovation Group Project of Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai)[311021004] ; 111 Project[B21018] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDA23050303] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDA11020702] ; Guangdong Basic and Applied Basic Research Foundation[2022A1515240020] |
| WOS研究方向 | Environmental Sciences & Ecology ; Marine & Freshwater Biology |
| 语种 | 英语 |
| WOS记录号 | WOS:001737672900001 |
| 出版者 | PERGAMON-ELSEVIER SCIENCE LTD |
| 源URL | [http://ir.qdio.ac.cn/handle/337002/204964]  |
| 专题 | 海洋研究所_海洋生态与环境科学重点实验室 |
| 通讯作者 | Gong, Jun |
| 作者单位 | 1.Sun Yat Sen Univ, Sch Marine Sci, Southern Marine Sci & Engn Guangdong Lab Zhuhai, Zhuhai 519082, Peoples R China 2.Chinese Acad Sci, Inst Oceanol, Ctr Deep Sea Res, CAS Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China 3.State Nucl Zhanjiang Nucl Power Co LTD, Zhanjiang 524000, Peoples R China 4.Guangdong Prov Key Lab Marine Resources & Coastal, Guangzhou, Peoples R China 5.Univ Nicosia, Sch Vet Med, Dept Vet Med, CY-2408 Nicosia, Cyprus 6.Zhuhai Doumen Agr Technol Extens, Zhuhai, Guangdong, Peoples R China 7.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China 8.Sun Yat Sen Univ, Sch Marine Sci, Zhuhai Campus, Zhuhai 519082, Peoples R China 9.Minist Agr & Rural Affairs, Zhejiang Inst Freshwater Fisheries, Key Lab Hlth Freshwater Aquaculture, Huzhou 313001, Zhejiang, Peoples R China |
| 推荐引用方式 GB/T 7714 | Li, Guihao,Hu, Jiarong,Zheng, Pengfei,et al. Exploring contributions and responses of microbial quantity and diversity to coastal seasonal hypoxia[J]. MARINE POLLUTION BULLETIN,2026,228:14. |
| APA | Li, Guihao.,Hu, Jiarong.,Zheng, Pengfei.,Zhu, Ping.,Wang, Yaping.,...&Gong, Jun.(2026).Exploring contributions and responses of microbial quantity and diversity to coastal seasonal hypoxia.MARINE POLLUTION BULLETIN,228,14. |
| MLA | Li, Guihao,et al."Exploring contributions and responses of microbial quantity and diversity to coastal seasonal hypoxia".MARINE POLLUTION BULLETIN 228(2026):14. |
入库方式： OAI收割
来源：海洋研究所
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