Planktonic Algae’s Distribution and Correlation with Dissolved Organic Matters’ Fluorescence in the End of the Three Gorges Reservoir’s Back Water Zone
FAN Lei-lei1, LI Si2, YU Dan-ni2, HE Qiang1*, JI Fang-ying1, JIANG Zhong-yuan2, GAO Zhi-xi2, AO Ke-hou2
1. Key Laboratory of the Three Gorges Reservoir Region’s Eco-Environment, Ministry of Education, Chongqing University，Chongqing 400045, China 2. Zunyi Normal College, School of Chemistry and Chemical Engineering, Zunyi 563002, China
Abstract：For researching the community structure, composition, and distribution of the planktonic algae in the Three Gorges Reservoir(TRG), especially, within TRG water levels’ fluctuating, mpacting to water quality with the algae’s growing, 6 sampling cites in the end of the TGR’s back water zone, from Chaotianmen to Taihonggang Town, are chosen to monitor, at the sensitive stages time of algal bloom between March to May 2012, namely, water levels lowing from the highest impounding. the community’s structure, composition, and distribution of the planktonic algae in the TGR, and the correlation of water quality parameters and DOM’s fluorescence features with algae density, are obtained. According to the experimental results, blue algae fibre, chlorella, melosira, navicula are the dominated algae in the end of the TGR’s back water zone, from Chaotianmen to Taihonggang Town, algae density are 0.40～0.56×106，1.9～0.8×106，0.36～0.25×106，0.42～0.15×106 cells·L-1 respectively. Besides, anabaena, phormidium, cladophora, feather, ovate algae are existing in only limited 2 sections. The fitting results reveal obvious linear correlation of the EEM characteristics of DOM with the 4 kinds of dominated algal density, which could be useful conference for the algae bloom monitor, conveniently and effectively.
樊磊磊1，黎 司2，虞丹尼2，何 强1*，吉芳英1，江忠远2，高智席2，敖克厚2 . 三峡水库回水末端浮游藻类分布特征及其与DOM荧光特性的相关性研究 [J]. 光谱学与光谱分析, 2015, 35(08): 2198-2202.
FAN Lei-lei1, LI Si2, YU Dan-ni2, HE Qiang1*, JI Fang-ying1, JIANG Zhong-yuan2, GAO Zhi-xi2, AO Ke-hou2 . Planktonic Algae’s Distribution and Correlation with Dissolved Organic Matters’ Fluorescence in the End of the Three Gorges Reservoir’s Back Water Zone . SPECTROSCOPY AND SPECTRAL ANALYSIS, 2015, 35(08): 2198-2202.
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