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引用本文:胡绵好,袁菊红,杨肖娥.水生蔬菜对富营养化水体净化及资源化利用.湖泊科学,2010,22(3):416-420. DOI:10.18307/2010.0315
HU Mianhao,YUAN Juhong,YANG Xiaoe.Eutrophication purification and resource utilization by aquatic vegetables. J. Lake Sci.2010,22(3):416-420. DOI:10.18307/2010.0315
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水生蔬菜对富营养化水体净化及资源化利用
胡绵好1,2, 袁菊红1, 杨肖娥2
1.江西财经大学资源与环境管理学院, 南昌 330032;2.浙江大学环境与资源学院,污染环境修复与生态健康教育部重点实验室, 杭州 310029
摘要:
通过采用水生蔬菜水芹和豆瓣菜作为生态浮床栽培材料,对其净化富营养化水体的效果及其处理后的品质等方面进行研究.结果表明,水生蔬菜不仅能在富营养化水体中正常生长,还对富营养化水体有较强净化能力,且净化能力随着处理时间的延长而提高.处理20d,水芹对富营养化水体中的TN、NH4+-N、TP、CODMn、Chl.a的去除率分别达到76.86%、69.39%、90.45%、95.03%和89.81%;豆瓣菜对富营养化水体中的TN、NH4+-N、TP、CODMn、Chl.a的去除率分别达到78.27%、67.95%、89.98%、95.38%和91.28%.水芹和豆瓣菜不仅能显著改善富营养化水体的水质,且没有产生硝酸盐及重金属富集,符合食用标准;还能产生一定的经济效益.
关键词:  水芹  豆瓣菜  富营养化  净化  资源化利用
DOI:10.18307/2010.0315
分类号:
基金项目:教育部科技研究重点项目(200705824);浙江省科技局重点项目(2006C13059)联合资助
Eutrophication purification and resource utilization by aquatic vegetables
HU Mianhao1,2, YUAN Juhong1, YANG Xiaoe2
1.College of Resource & Environment Management, Jiangxi University of Finance & Economics, Nanchang 330032, P. R. China;2.MOE Key Laboratory, Environmental Remediation and Ecosystem Health, College of Environmental & Resource Science, Zhejiang University, Hangzhou 310029, P. R. China
Abstract:
Using water dropwort and watercress as the planting stuff on ecological floating beds, the purification effectiveness of eu-trophic water and their characteristics were investigated. The results showed that aquatic vegetable not only could grow well in eu-trophic water bodies, but also was able to purify the eutrophic water bodies effectively, and the purification ability increased treatment time. The removal rate of TN、NH4+-N、TP、CODMn,and Chl. a reached 76.86%, 69. 39%, 90.45%, 95.03%,89.81% by water dropwort for 20d treatment, respectively. In addition, the removal rate of TN、NH4+-N、TP、CODMn,and Chl.a reached 78.27%,67.95%,89.98%,95.38% and 91.28% by watercress for20d treatment, respectively. It was dropwort and watercress had a significant effect on improving the quality of the eutrophic ment of nitrate and heavy metals in plants, so water dropwort and watercress were edible proved that water nutrition enrich-water, without producing according to food standard and could pro-dace certain economic benefits.
Key words:  Oenanthe jnvaneca D.C  Nasturtium officirzale R.Br  eutrophic waterbodies  purification resource utilization
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