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水翁(Cleistocalyx operculatus)在人工湿地的生长特性及对污染物的去除效果

靖元孝 杨丹菁 任延丽 李晓菊

靖元孝, 杨丹菁, 任延丽, 李晓菊. 水翁(Cleistocalyx operculatus)在人工湿地的生长特性及对污染物的去除效果[J]. 环境科学研究, 2005, 18(1): 9-12.
引用本文: 靖元孝, 杨丹菁, 任延丽, 李晓菊. 水翁(Cleistocalyx operculatus)在人工湿地的生长特性及对污染物的去除效果[J]. 环境科学研究, 2005, 18(1): 9-12.
JING Yuan-xiao, YANG Dan-jing, REN Yan-li, LI Xiao-ju. Growth Characteristics and Pollutant Removal Effect of Cleistocalyx Operculatus in Constructed Wetland[J]. Research of Environmental Sciences, 2005, 18(1): 9-12.
Citation: JING Yuan-xiao, YANG Dan-jing, REN Yan-li, LI Xiao-ju. Growth Characteristics and Pollutant Removal Effect of Cleistocalyx Operculatus in Constructed Wetland[J]. Research of Environmental Sciences, 2005, 18(1): 9-12.

水翁(Cleistocalyx operculatus)在人工湿地的生长特性及对污染物的去除效果

基金项目: 广东省教育厅自然科学基金资助项目(200022);广东省自然科学基金资助项目(021082);广东省重点学科基金资助项目

Growth Characteristics and Pollutant Removal Effect of Cleistocalyx Operculatus in Constructed Wetland

  • 摘要: 研究了水翁在人工湿地的生长特性及其对污水的净化效果.结果表明:生长在人工湿地的水翁具有发达的侧根系,能保持正常的净光合速率((19.2±2.1)μmol/(m2·s))、蒸腾速率((23.5±2.3)mmol/(m2·s))、气孔传导率((657.5±53)mmol/(m2·s))、根系活力((20.9±3.2)μg/(g·min))和生长速率((9.9±0.5)mg/(g·d)).水翁人工湿地对TN,TP,C0Dcr和BOD5的去除率分别为55.6%,44.2%,75.7%和73.2%.其中水翁对N,P的吸收量分别占人工湿地对N,P去除量的16.4%和12.6%.水翁为常绿乔木,可考虑与灌木和草本植物结合起来,建立乔、灌、草自然湿地系统,达到改善水质的目的.

     

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出版历程
  • 收稿日期:  2004-01-15
  • 刊出日期:  2005-02-25

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