Seasonal and spatial comparisons of microzooplankton grazing and phytoplankton growth in the Bohai Bay, China

被引：0
|
作者：
Wen, Yujian [1 ,2 ]
Zhang, Guodong [1 ,2 ]
Song, Yuyao [1 ,2 ]
Zhang, Guicheng [1 ,2 ]
Sun, Jun [1 ,2 ,3 ,4 ]
机构：
[1] Tianjin Univ Sci & Technol, Tianjin Key Lab Marine Resources & Chem, Tianjin, Peoples R China
[2] Tianjin Univ Sci & Technol, Res Ctr Indian Ocean Ecosyst, Tianjin, Peoples R China
[3] China Univ Geosci, Inst Adv Marine Res, Guangzhou, Peoples R China
[4] China Univ Geosci Wuhan, Coll Marine Sci & Technol, Wuhan, Peoples R China
来源：
FRONTIERS IN MARINE SCIENCE | 2023年 / 10卷
基金：
中国国家自然科学基金;
关键词：
dilution technique; phytoplankton growth; microzooplankton grazing; phytoplankton community; the Bohai Bay; DILUTION EXPERIMENTS; COASTAL WATERS; FOOD-WEB; SIZE; SEA; RATES; TEMPERATURE; COMMUNITY; PACIFIC; IMPACT;
D O I：
10.3389/fmars.2023.1190677
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The dilution experiment technique was used in two cruises in July-August (summer) and October-November (autumn) 2020, with a total of 14 stations. The grazing impact of microzooplankton on phytoplankton in the interior of Bohai Bay was comprehensively investigated. We compared phytoplankton growth rates (& mu;(0)) and microzooplankton grazing rates (m) spatially (distance between experimental stations and shore far vs. near) and seasonally (summer vs. autumn). Both m and & mu;(0) values were significantly higher in summer than in autumn, and the phytoplankton growth rate & mu;(0) was positively correlated to temperature. Offshore stations showed higher values. There is no significant spatial and seasonal differences in the ratio of microzooplankton grazing rate and phytoplankton growth rate (m/& mu;(0)) indicating that daily consumption of primary production by microzooplankton was similar in the two seasons. Therefore, our research showed a close coupling between microzooplankton grazing with phytoplankton growth in the Bohai Bay.
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页数：14
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