Spatiotemporal dynamics of cell abundance, colony size and intracellular toxin concentrations of pelagic and benthic Microcystis in Lake Caohai, China
文献类型:期刊论文
作者 | Feng, Bing1,2; Wang, Chunbo1; Wu, Xingqiang1; Tian, Cuicui1; Zhang, Meng2; Tian, Yingying3; Xiao, Bangding1 |
刊名 | JOURNAL OF ENVIRONMENTAL SCIENCES |
出版日期 | 2019-10-01 |
卷号 | 84期号:1页码:184-196 |
ISSN号 | 1001-0742 |
关键词 | Spatiotemporal dynamics Pelagic Microcystis Benthic Microcystis Cell abundance Colony size Intracellular MCs |
DOI | 10.1016/j.jes.2019.05.010 |
英文摘要 | Lake Caohai has experienced extensive Microcystis blooms in recent years, and to improve its water quality, the local government carried out a series of water control measures. To better understand the dynamics of both pelagic and benthic Microcystis and their characteristics in Lake Caohai, we conducted a 1-year investigation from December 2015 to December 2016 to gain a seasonal outlook on the distribution and dynamics of cell abundance, colony size and intracellular microcystins (MCs) of Microcystis. The results indicated that the Microcystis bloom occupied primarily the northeastern region and then moved gradually from lakeshore to lake center. The perennial southwesterly winds and the water inflow from northeast to southwest in Lake Caohai determined the spatiotemporal distribution of pelagic Microcystis. Benthic Microcystis was mainly distributed in the northeastern region in summer, occupied the lake center in autumn and then occupied the southeastern region in winter, determined by the sedimentation of pelagic Microcystis and the death of benthic Microcystis. Small colonies (20-60 mu m) overwintered more easily in both water column and sediment. The concentrations of intracellular toxin of benthic Microcystis were observed to be significantly higher than those of pelagic Microcystis. This might be because Microcystis synthesized large amount of MCs to acclimate to an unfavorable benthic environment. This knowledge on the dynamics of Microcystis expands our understanding of mechanisms underpinning the formation of Microcystis blooms. (c) 2019 The Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences. Published by Elsevier B.V. |
WOS关键词 | CYANOBACTERIAL TOXINS ; SEASONAL-VARIATIONS ; GENETIC DIVERSITY ; BLOOM FORMATION ; NET PRODUCTION ; SEDIMENTS ; CYANOPHYCEAE ; RECRUITMENT ; AERUGINOSA ; SIMULATION |
资助项目 | National Natural Science Foundation of China[31670465] ; National Natural Science Foundation of China[31800390] ; National Natural Science Foundation of China[31460130] ; Joint NSFC-ISF Research Program - National Natural Science Foundation of China ; Israel Science Foundation[41561144008] |
WOS研究方向 | Environmental Sciences & Ecology |
语种 | 英语 |
出版者 | SCIENCE PRESS |
WOS记录号 | WOS:000483933100018 |
资助机构 | National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Joint NSFC-ISF Research Program - National Natural Science Foundation of China ; Joint NSFC-ISF Research Program - National Natural Science Foundation of China ; Joint NSFC-ISF Research Program - National Natural Science Foundation of China ; Joint NSFC-ISF Research Program - National Natural Science Foundation of China ; Joint NSFC-ISF Research Program - National Natural Science Foundation of China ; Joint NSFC-ISF Research Program - National Natural Science Foundation of China ; Joint NSFC-ISF Research Program - National Natural Science Foundation of China ; Joint NSFC-ISF Research Program - National Natural Science Foundation of China ; Israel Science Foundation ; Israel Science Foundation ; Israel Science Foundation ; Israel Science Foundation ; Israel Science Foundation ; Israel Science Foundation ; Israel Science Foundation ; Israel Science Foundation ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Joint NSFC-ISF Research Program - National Natural Science Foundation of China ; Joint NSFC-ISF Research Program - National Natural Science Foundation of China ; Joint NSFC-ISF Research Program - National Natural Science Foundation of China ; Joint NSFC-ISF Research Program - National Natural Science Foundation of China ; Joint NSFC-ISF Research Program - National Natural Science Foundation of China ; 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源URL | [http://ir.ihb.ac.cn/handle/342005/33320] |
专题 | 水生生物研究所_水环境工程研究中心_期刊论文 |
通讯作者 | Xiao, Bangding |
作者单位 | 1.Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, Wuhan 430072, Hubei, Peoples R China 2.Jiangxi Acad Environm Sci, Nanchang 330039, Jiangxi, Peoples R China 3.Henan Inst Technol, Zhengzhou 453003, Henan, Peoples R China |
推荐引用方式 GB/T 7714 | Feng, Bing,Wang, Chunbo,Wu, Xingqiang,et al. Spatiotemporal dynamics of cell abundance, colony size and intracellular toxin concentrations of pelagic and benthic Microcystis in Lake Caohai, China[J]. JOURNAL OF ENVIRONMENTAL SCIENCES,2019,84(1):184-196. |
APA | Feng, Bing.,Wang, Chunbo.,Wu, Xingqiang.,Tian, Cuicui.,Zhang, Meng.,...&Xiao, Bangding.(2019).Spatiotemporal dynamics of cell abundance, colony size and intracellular toxin concentrations of pelagic and benthic Microcystis in Lake Caohai, China.JOURNAL OF ENVIRONMENTAL SCIENCES,84(1),184-196. |
MLA | Feng, Bing,et al."Spatiotemporal dynamics of cell abundance, colony size and intracellular toxin concentrations of pelagic and benthic Microcystis in Lake Caohai, China".JOURNAL OF ENVIRONMENTAL SCIENCES 84.1(2019):184-196. |
入库方式: OAI收割
来源:水生生物研究所
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