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DOI10.1186/s13717-024-00489-6
Water quality and habitat drive phytoplankton taxonomic and functional group patterns in the Yangtze River
Gao, Wenqi; Xiong, Fangyuan; Lu, Ying; Xin, Wei; Wang, Haihua; Feng, Gangpeng; Kong, Chiping; Fang, Lei; Gao, Xiaoping; Chen, Yushun
发表日期2024
EISSN2192-1709
起始页码13
结束页码1
卷号13期号:1
英文摘要BackgroundAlthough phytoplankton are important primary producers in food webs, they are relatively less studied in large rivers compared to other types of systems. To fill this research gap, we studied phytoplankton taxonomic and functional composition and their relationships with water quality, habitat, climate, and land use across 30 river sections in the middle and lower reaches of the Yangtze River during 2017-2018.ResultsMajor observed phytoplankton groups were cyanobacteria, bacillariophyta, and chlorophyta. Phytoplankton total abundance, total biomass, and species richness significantly decreased in the dry season compared to the wet season, with the species and functional composition differing significantly between seasons. Phytoplankton species differences between seasons were mainly contributed by Oscillatoria sp., Pseudanabaena sp., and Melosira granulata. The dfferences in phytoplankton functional groups between seasons were mainly contributed by P (including Closterium sp., Melosira sp.), Lo (including Merismopedia sp., Peridinium sp., Ceratium sp., and Gymnodinium sp.), and J (including Pediastrum sp., Tetraedron sp., Crucigenia sp., Scenedesmus sp., and Coelastrum sp.). The variance partitioning showed that water quality (NO3-N, total suspended solids, turbidity) and habitat (water flow, river bank and river channel conditions) were critical factors in shaping phytoplankton patterns, followed by climate and land use.ConclusionsResults indicated that there was significant seasonal variation of phytoplankton in the Yangtze River, with water quality and habitat primarily driving phytoplankton patterns. Our study contributes to the understanding of natural and anthropogenic factors that drive seasonal successional processes of phytoplankton in the Yangtze River. These findings have important implications for environmental management as well as towards the ecological restoration of large rivers.
英文关键词Yangtze River; Phytoplankton; Functional group; Water quality; Physical habitat
语种英语
WOS研究方向Environmental Sciences & Ecology
WOS类目Ecology ; Environmental Sciences
WOS记录号WOS:001163776600001
来源期刊ECOLOGICAL PROCESSES
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/299866
作者单位Chinese Academy of Sciences; Institute of Hydrobiology, CAS; Chinese Academy of Sciences; University of Chinese Academy of Sciences, CAS; Chinese Academy of Fishery Sciences; East China Sea Fisheries Research Institute, CAFS
推荐引用方式
GB/T 7714
Gao, Wenqi,Xiong, Fangyuan,Lu, Ying,et al. Water quality and habitat drive phytoplankton taxonomic and functional group patterns in the Yangtze River[J],2024,13(1).
APA Gao, Wenqi.,Xiong, Fangyuan.,Lu, Ying.,Xin, Wei.,Wang, Haihua.,...&Chen, Yushun.(2024).Water quality and habitat drive phytoplankton taxonomic and functional group patterns in the Yangtze River.ECOLOGICAL PROCESSES,13(1).
MLA Gao, Wenqi,et al."Water quality and habitat drive phytoplankton taxonomic and functional group patterns in the Yangtze River".ECOLOGICAL PROCESSES 13.1(2024).
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