Environmental controls and nonlinear responses of the diatom-dinoflagellate ratio in Jiaozhou Bay
文献类型：期刊论文
| 作者 | Huang, Yipeng1,3; Cui, Zhengguo1; Liu, Changhua2; Ding, Dongsheng1; Zhu, Lin1; Qu, Keming1; Wei, Yuqiu1; Sun, Jun3 |
| 刊名 | MARINE POLLUTION BULLETIN
 |
| 出版日期 | 2026-06-01 |
| 卷号 | 227页码:13 |
| 关键词 | Diatoms Dinoflagellates Ratio metrics Environmental stresses Jiaozhou Bay |
| ISSN号 | 0025-326X |
| DOI | 10.1016/j.marpolbul.2026.119507 |
| 通讯作者 | Wei, Yuqiu(weiyuqiu@163.com) ; Sun, Jun(phytoplankton@163.com) |
| 英文摘要 | Diatoms and dinoflagellates are widely recognized as key indicators of marine ecosystem status and play central roles in ecosystem functioning and biogeochemical cycling. Yet how these two major phytoplankton groups adjust to changing coastal environments, and whether such adjustments occur coherently in different ecological dimensions, remains poorly constrained. Hence, we studied the temporal and spatial dynamics of diatomdinoflagellate (dia/dino) ratios in Jiaozhou Bay during 2021 and 2024, integrating abundance-, carbon biomass-, diversity-, and richness-based metrics. Although abundance, biomass, and diversity ratios exhibited broadly similar temporal trajectories, the richness ratio displayed an opposite pattern, highlighting a decoupling between numerical dominance and species composition. Spatially, all four ratios exhibited significant heterogeneity, without a consistent nearshore-offshore gradient, reflecting complex local regulation. Correlation analyses revealed distinct controls on dia/dino ratios. The abundance ratio increased under conditions of elevated dissolved inorganic nitrogen (DIN) and reduced dissolved oxygen (DO), whereas the diversity ratio was associated with high DIN and low dissolved inorganic phosphorus (DIP). In contrast, the carbon biomass ratio was primarily linked to reduced DO and lower pH, while the richness ratio responded most strongly to the combined influence of low DO and elevated DIP. These contrasting responses indicated that dia/dino ratios captured different facets of phytoplankton community reorganization rather than reflecting a single environmental driver. Overall, our results suggested that the balance between diatoms and dinoflagellates in Jiaozhou Bay emerged from the coupled and nonlinear interactions among nutrient availability and oxygen dynamics. This study highlighted the dia/dino balance as an integrative indicator of coastal ecosystem condition and implied the importance of considering multiple ecological dimensions when assessing phytoplankton responses to ongoing eutrophication and environmental change. |
| WOS关键词 | HARMFUL ALGAL BLOOMS ; PHYTOPLANKTON COMMUNITY ; MARINE DINOFLAGELLATE ; CLIMATE-CHANGE ; EUTROPHICATION ; HYPOXIA ; GROWTH ; TEMPERATURE ; SENSITIVITY ; STRATEGIES |
| 资助项目 | National Natural Science Foundation of China[42206103] ; Central Public-interest Scientific Institution Basal Research Fund, YSFRI, CAFS[20603022024018] ; NSFC Shiptime Sharing Project[42349901] ; NSFC Shiptime Sharing Project[42449901] |
| WOS研究方向 | Environmental Sciences & Ecology ; Marine & Freshwater Biology |
| 语种 | 英语 |
| WOS记录号 | WOS:001710250200001 |
| 出版者 | PERGAMON-ELSEVIER SCIENCE LTD |
| 源URL | [http://ir.qdio.ac.cn/handle/337002/204997]  |
| 专题 | 中国科学院海洋研究所 |
| 通讯作者 | Wei, Yuqiu; Sun, Jun |
| 作者单位 | 1.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, State Key Lab Mariculture Biobreeding & Sustainabl, Qingdao, Peoples R China 2.Chinese Acad Sci, Inst Oceanol, Qingdao, Peoples R China 3.Tianjin Univ Sci & Technol, Res Ctr Indian Ocean Ecosyst, Tianjin, Peoples R China |
| 推荐引用方式 GB/T 7714 | Huang, Yipeng,Cui, Zhengguo,Liu, Changhua,et al. Environmental controls and nonlinear responses of the diatom-dinoflagellate ratio in Jiaozhou Bay[J]. MARINE POLLUTION BULLETIN,2026,227:13. |
| APA | Huang, Yipeng.,Cui, Zhengguo.,Liu, Changhua.,Ding, Dongsheng.,Zhu, Lin.,...&Sun, Jun.(2026).Environmental controls and nonlinear responses of the diatom-dinoflagellate ratio in Jiaozhou Bay.MARINE POLLUTION BULLETIN,227,13. |
| MLA | Huang, Yipeng,et al."Environmental controls and nonlinear responses of the diatom-dinoflagellate ratio in Jiaozhou Bay".MARINE POLLUTION BULLETIN 227(2026):13. |
入库方式： OAI收割
来源：海洋研究所
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