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首页> 外文会议>International Conference on Energy, Environment and Sustainable Development >Correlation between Chlorophyll-a Concentration and Environmental Factors in Jihongtan Reservoir
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Correlation between Chlorophyll-a Concentration and Environmental Factors in Jihongtan Reservoir

机译：叶绿素 - 一种叶绿素水库浓度与环境因子的相关性

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摘要

Based on the Jihogntan reservoir's monitoring data from 2006 to 2009, eutrophication of Jihongtan reservoir was assessed. The result showed that the nutrition level of the Jihongtan reservoir was middle in recent years. The average concentration of chlorophyll-a(Chla) was higher in summer and autumn than in spring and winter. The correlation between concentration of Chla and some environmental factors was studied by statistical method, and seasonal variation of Chla and the extent of eutrophication were also analyzed. The results showed that the correlations between Chla and total nitrogen(TN), dissolved oxygen(DO) and transparency were significantly negative, and that between Chla and total phosphorus(TP), temperature(T) and potassium permanganate index(COD_(Mn)) were significantly positive. The growth of phytoplankton was promoted by TP and TN at low concentrations, and inhibited by TN at high concentrations.
机译：基于2006年至2009年的Jihogntan水库的监测数据，评估了Jihongtan水库的富营养化。结果表明，近年来，吉宏山水库的营养水平是中间的。叶绿素-A（CHLA）的平均浓度在夏季和秋季比春季和冬季更高。通过统计方法研究了CHLA浓度与一些环境因子之间的相关性，并分析了CHLA的季节性变化和富营养化程度。结果表明，CHLA和总氮气（TN）之间的相关性，溶解氧（DO）和透明度显着为阴性，并且在CHLA和总磷（TP）之间，温度（T）和高锰酸钾指数（COD_（MN）之间）显着阳性。浮游植物的生长在低浓度下通过TP和TN促进，并在高浓度下抑制TN。

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