Dynamics of phytoplankton assemblages determined by the HPLC-PIGMENTUM approach and the related environmental variables in the northern Chinese sea
文献类型： 外文期刊
作者： Yang, Long 1 ; Cui, Zhengguo 2 ; Zhang, Jian 1 ; Wang, Hongwei 1 ; Wang, Hanbai 1 ; Zhang, Di 1 ; Ding, Xiaokun 1 ; Zha, Daojun 1 ; Gao, Li 1 ; Jiang, Tao 1 ;
作者机构： 1.Yantai Univ, Coll Ocean, Yantai 264005, Peoples R China
2.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Qingdao 266071, Peoples R China
关键词： HPLC-pigment PIGMENTUM; Phytoplankton assemblages; Seasonal variation; Environmental impact; The northern Chinese sea
期刊名称：MARINE POLLUTION BULLETIN （ 影响因子：4.9； 五年影响因子：5.6 ）
ISSN： 0025-326X
年卷期： 2024 年 208 卷
页码：
收录情况： SCI
摘要： During the spring and summer of 2021, two investigations were conducted in the northern Chinese sea by using the high-performance liquid chromatography with the pigment-based chemotaxonomic tool PIGMENTUM. Results showed that the average chlorophyll a (Chl a) concentration during spring was significantly higher (p < 0.01) than that during summer. 19 '-hexanoyloxyfucoxanthin-containing algae, alloxanthin-containing algae (ACA), and fucoxanthin-containing algae (FCA) were the main pigment groups in spring, whereas zeaxanthin-containing algae (ZCA) and peridinin-containing algae (PeCA) were dominated in summer. Five ecological provinces were divided, and the phytoplankton biomass (Chl a) in Province V was the lowest. Redundancy analysis showed that ACA, FCA, and PeCA were positively correlated with nutrients; in comparison, ZCA preferred high salinity. The PIGMENTUM estimates were significantly positively correlated (p < 0.01) with CHEMTAX for all phytoplankton assemblages. Nevertheless, the coefficients of determination and slope by regression analysis between two methods showed large differences for several phytoplankton groups.
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