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Microzooplankton Grazing and Phytoplankton Growth in a Chinese Lake

文献类型：期刊论文

作者Liu, Panpan1,2; Wang, Long1,2; Xia, Xue1,2; Zeng, Lei1,2; Zhou, Qiaohong1; Liu, Biyun1; He, Feng1; Wu, Zhenbin1
刊名POLISH JOURNAL OF ENVIRONMENTAL STUDIES
出版日期2019
卷号28期号:1页码:225-235
关键词microzooplankton grazing phytoplankton growth size-selection submerged macrophyte eutrophic lakes
ISSN号1230-1485
DOI10.15244/pjoes/83689
英文摘要Microzooplankton plays an important role in controlling the standing crop of phytoplankton and primary production. However, research on microzooplankton grazing has mainly focused on the ocean and only rarely on eutrophic lakes. In this study we investigated plankton community structures, microzooplankton grazing rates (m), and phytoplankton growth rates (mu) in order to explore microzooplankton grazing in 2 eutrophic sub-lakes of West Lake, Hangzhou, China (Waihu and Xilihu). Results showed that Pseudanabaena sp. was dominant in Waihu without submerged macrophytes, and the larger phytoplankton (> 2 mu m) biomass was higher than the picophytoplankton (< 2 mu m) biomass. However, Xilihu with macrophytes growing was mainly composed of diatoms and green algae, and there was no significant difference between larger phytoplankton and picophytoplankton biomass. Furthermore, in West Lake, the values of m (ranging from 1.58 similar to 3.33/d) and mu (ranged from 1.38 similar to 3.05/d) were higher than those in the ocean. The higher m, mu, and relative preference index (RPI) for picophytoplankton in Waihu indicated that microzooplankton had a significant size-selective grazing on picophytoplankton. However, no significant size-selection was found in Xilihu. These different responses of plankton in Waihu and Xilihu might explain why larger phytoplankton occupy a dominant position in eutrophic lakes.
资助项目Major Science and Technology Program for Water Pollution Control and Treatment of China 13th Five-Year Plan[2017ZX07602-002-004] ; Major Projects of Technical Innovation of Hubei Province[2016ACA169]
WOS研究方向Environmental Sciences & Ecology
语种英语
WOS记录号WOS:000458947300023
出版者HARD
源URL[http://202.127.146.157/handle/2RYDP1HH/6812]  
专题中国科学院武汉植物园
通讯作者Zhou, Qiaohong
作者单位1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan, Hubei, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China
推荐引用方式
GB/T 7714		 Liu, Panpan,Wang, Long,Xia, Xue,et al. Microzooplankton Grazing and Phytoplankton Growth in a Chinese Lake[J]. POLISH JOURNAL OF ENVIRONMENTAL STUDIES,2019,28(1):225-235.
APA Liu, Panpan.,Wang, Long.,Xia, Xue.,Zeng, Lei.,Zhou, Qiaohong.,...&Wu, Zhenbin.(2019).Microzooplankton Grazing and Phytoplankton Growth in a Chinese Lake.POLISH JOURNAL OF ENVIRONMENTAL STUDIES,28(1),225-235.
MLA Liu, Panpan,et al."Microzooplankton Grazing and Phytoplankton Growth in a Chinese Lake".POLISH JOURNAL OF ENVIRONMENTAL STUDIES 28.1(2019):225-235.

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来源：武汉植物园

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