水生木本植物净水效应研究
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摘要
以水翁、秋枫、铁冬青、穗花棋盘脚、串钱柳、水石榕、尖叶杜英、乌桕、黄金香柳、水杉、风箱树等11种木本植物为试材,采用人工模拟富营养化园林水体的方式,研究比较了不同木本植物对富营养化园林水体的净化效果及其生理指标的变化,通过筛选出较好的水生木本植物,以期丰富广东地区对于水体生态修复和水体景观中水生植物种类的多样性。结果表明:11种湿地木本植物中秋枫对水体中总氮(TN)、总磷(TP)、氨氮(NH4+-N)的净化效果最好,去除率分别为52.2%、28.8%、36.3%,风箱树对水体中COD、色素的吸附效果较好,去除率分别为28.7%、32.6%。
Eleven kinds of the woody plants including Cleistocalyx operculatus,Bisch ofia javanic,Ilex rotunda,Barringtonia racemosa,Callistemon viminalis,Elaeocarpus hainanensis,Elaeocarpus apiculatus,Sapium sebiferum,Melaleuca bracteata,Metasequoia glyptostroboides and Cephalanthus tetrandrus were taken as test material,the purification effect of these plants for the eutrophication of the landscape water and the related physiological index changes were studied,in order to screen the better aquatic woody plants and offer more choices of the aquatic plants in landscape water for ecological restoration in Guangdong district.The results showed that,among these woody plants,Bischofia javanica had the best purification effect for the TN,TP NH4+-N in the water with the removal rates as 52.2%,28.8% and 36.3%,while Cephalanthus tetrandrus had the good adsorption effect on COD and chroma in water with the removal rates as 28.7% and 32.6%.
Eleven kinds of the woody plants including Cleistocalyx operculatus,Bisch ofia javanic,Ilex rotunda,Barringtonia racemosa,Callistemon viminalis,Elaeocarpus hainanensis,Elaeocarpus apiculatus,Sapium sebiferum,Melaleuca bracteata,Metasequoia glyptostroboides and Cephalanthus tetrandrus were taken as test material,the purification effect of these plants for the eutrophication of the landscape water and the related physiological index changes were studied,in order to screen the better aquatic woody plants and offer more choices of the aquatic plants in landscape water for ecological restoration in Guangdong district.The results showed that,among these woody plants,Bischofia javanica had the best purification effect for the TN,TP NH4+-N in the water with the removal rates as 52.2%,28.8% and 36.3%,while Cephalanthus tetrandrus had the good adsorption effect on COD and chroma in water with the removal rates as 28.7% and 32.6%.
引文
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[3]汪秀芳,许开平,叶碎高,等.四种冬季水生植物组合对富营养化水体的净化效果[J].生态学杂志,2013(2):401-406.
[4]杨立红.水生植物对富营养化水体净化能力的研究[D].哈尔滨:东北林业大学,2006.
[5]FROEND R H,HEDDLE E M,BELL D T.Effect of salinity and water logging on the vegetation of Lake Toolbin,Western Australia[J].Aust J Ecol,1987,12:281-298.
[6]胡焕斌,周化民,王桂珍,等.人工湿地处理矿山炸药污水[J].环境科学与技术,1997(3):17-18,26.
[7]黄若之.水湿生木本植物景观及其应用研究[D].临安:浙江农林大学,2012.
[8]中国国家环境保护总局.水和废水监测分析方法[M].4版.北京:中国环境出版社,2002.
[9]李合生.植物生理生化实验原理和技术[M].北京:高等教育出版社,2000.
[10]赵世杰.植物组织中丙二醛测定方法的改进[J].植物生理学通讯,1994,30(3):207-210.
[11]邹琦.植物生理生化试验指导[M].北京:中国农业出版社,2000.
[12]曾爱平,刘洪见,徐晓薇,等.2种挺水植物治理生活污水的研究[J].浙江农业科学,2009(4):806-808.
[13]国家环境保护总局,国家质量监督检验检疫总局.地表水环境质量标准:GB 3838-2002[S].北京:中国环境科学出版社,2002.
[14]BOLTON K G E,GREENWAY M.Nutrient sinks in a constructed Melaleuca wet land receiving secondary treated efffluent[J].Water Sci Technol,1999,40(3):341-347.