Factors Affecting Temporal Variations of Cyanobacteria Composition and Microcystins in a Hypertrophic Urban Lake, Beijiing
文献类型: 外文期刊
第一作者: Qu, Jiangqi
作者: Qu, Jiangqi;Zhang, Qingjing;Zhang, Mo;Jia, Chengxia;Liu, Pan;Yang, Mu;Zhu, Hua;Li, Wentong
作者机构:
关键词: microcystins;temporal variations;cyanobacteria blooms;factors
期刊名称:PROCEEDINGS OF THE AASRI INTERNATIONAL CONFERENCE ON INDUSTRIAL ELECTRONICS AND APPLICATIONS (IEA 2015)
ISSN: 2352-5401
年卷期: 2015 年 2 卷
页码:
收录情况: SCI
摘要: At present, the occurrence of harmful algal bloom has become a serious environmental problem in China. A survey of the seasonal variations of algal bloom characteristics has been investigated in a shallow hypertrophic urban lake from June to October 2013 in this study. LC-MS results indicated that there are two main cyanobacteria toxins variants (MC-LR and MC-RR) during harmful algal blooms. The community structure of cyanobacteria showed that 81.04 % of total cyanobacteria biomass belongs to Microcystis spp. and the average biomass of Microcystis spp. was 2.335 mg.L-1. In addition, multivariate analyses by principal component and classifying analysis (PCCA) suggest that microcystins were mainly produced by Microcystis spp. and TP could promote MC production.
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