Unraveling Both Community Divergences and Driving Factors of Pelagic Microbial Food Web in Different Water Masses of the Eastern Arctic Ocean
文献类型：期刊论文
| 作者 | Wang, Chaofeng5,6,7,8; Luo, Guangfu1; Wang, Xiaoyu2; Xu, Zhiqiang5,7; Lan, Musheng1; Wang, Junjian3; Liang, Denggani6; Fan, Yifei6; Zhang, Wenfei6; Feng, Meiping4 |
| 刊名 | JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS
 |
| 出版日期 | 2025-08-29 |
| 卷号 | 130期号:9页码:18 |
| 关键词 | microbial food web trophic level interaction indicator driving factor Arctic Ocean bottom-up control |
| ISSN号 | 2169-9275 |
| DOI | 10.1029/2025JC022793 |
| 通讯作者 | Zhao, Li(zhaoli@qdio.ac.cn) ; Zhang, Wuchang(wuchangzhang@qdio.ac.cn) |
| 英文摘要 | Microbial food webs (MFWs) constitute the foundational framework of marine pelagic ecosystems, yet their community structure, trophic interactions, and associated abiotic driving factors remain inadequately characterized in the Arctic Ocean. To fill this gap, we conducted a comprehensive ship-based survey during summer 2020 to investigate three MFW trophic levels (picoplankton-Pico, nanoplankton-Nano, microzooplankton-Micro) from surface to 500 m layers. Each MFW component displayed a consistent subsurface peak in its vertical distribution. Additionally, five distinct water masses were identified, and each harboring a distinctive MFW composition. Within this framework, heterotrophic prokaryotes dominated numerically across all water masses, and Pacific-origin Synechococcus emerged as a valuable bioindicator for tracking Arctic environmental fluctuations. Notably, trophic-level abundance ratios conformed to a pyramidal structure, spanning five and two orders of magnitude for Pico:Micro (3.5-12.8 x 105:1) and Nano:Micro (1.6-10.0 x 102:1), respectively. Unlike biomass ratios, for which spanned one and zero order in Pico:Micro (0.4-1.2 x 101:1) and Nano:Micro (0.8-2.6:1), respectively. Concerning biotic-abiotic interactions, both abundance and biomass of each MFW component demonstrated a linear increase with both temperature and Chl a concentrations in Pacific Summer Water. Therein, picoeukaryotes exhibited the steepest slope revealed that their heightened sensitivity to temperature changes. Furthermore, the driving factors for MFW trophic linkages varied significantly among water masses, and the bottom-up control (resource availability) predominating microzooplankton composition. This study upon trophic-level interaction establishes a baseline for quantifying and predicting how future environmental changes may affect pelagic MFWs in polar marine ecosystems. |
| WOS关键词 | SIZE SPECTRUM ; PACIFIC ; SUMMER ; MECHANISMS ; DIVERSITY ; DYNAMICS ; BACTERIA ; CARBON ; SEA ; PROCHLOROCOCCUS |
| 资助项目 | Natural Science Foundation of Shandong Province |
| WOS研究方向 | Oceanography |
| 语种 | 英语 |
| WOS记录号 | WOS:001563493800001 |
| 出版者 | AMER GEOPHYSICAL UNION |
| 源URL | [http://ir.qdio.ac.cn/handle/337002/203296]  |
| 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 | Zhao, Li; Zhang, Wuchang |
| 作者单位 | 1.Polar Res Inst China, Shanghai, Peoples R China 2.Ocean Univ China, Key Lab Phys Oceanog, Frontiers Sci Ctr Deep Ocean Multispheres & Earth, Qingdao, Peoples R China 3.Beibu Gulf Univ, Guangxi Key Lab Marine Environm Change & Disaster, Qinzhou, Peoples R China 4.Shanghai Ocean Univ, Coll Marine Ecol & Environm, Shanghai, Peoples R China 5.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Ecol & Environm Sci, Qingdao, Peoples R China 6.Fujian Agr & Forestry Univ, State Key Lab Mariculture Breeding, Key Lab Marine Biotechnol Fujian Prov, Inst Oceanol,Coll Marine Sci, Fuzhou, Peoples R China 7.Qingdao Marine Sci & Technol Ctr, Lab Marine Ecol & Environm Sci, Qingdao, Peoples R China 8.Chinese Acad Sci, Ctr Ocean Mega Sci, Qingdao, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wang, Chaofeng,Luo, Guangfu,Wang, Xiaoyu,et al. Unraveling Both Community Divergences and Driving Factors of Pelagic Microbial Food Web in Different Water Masses of the Eastern Arctic Ocean[J]. JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,2025,130(9):18. |
| APA | Wang, Chaofeng.,Luo, Guangfu.,Wang, Xiaoyu.,Xu, Zhiqiang.,Lan, Musheng.,...&Zhang, Wuchang.(2025).Unraveling Both Community Divergences and Driving Factors of Pelagic Microbial Food Web in Different Water Masses of the Eastern Arctic Ocean.JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,130(9),18. |
| MLA | Wang, Chaofeng,et al."Unraveling Both Community Divergences and Driving Factors of Pelagic Microbial Food Web in Different Water Masses of the Eastern Arctic Ocean".JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS 130.9(2025):18. |
入库方式： OAI收割
来源：海洋研究所
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