中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Experiment of emergent macrophytes growing in contaminated sludge: Implication for sediment purification and lake restoration

文献类型:期刊论文

作者Li En-Hua2; Wang Xue-Lei2; Xiao Fei2; Xue Huai-Ping2; Li Wei1
刊名ECOLOGICAL ENGINEERING
出版日期2010-04-01
卷号36期号:4页码:427-434
关键词Macrophyte Sludge Sediment treatment Sediment purification Lake restoration
ISSN号0925-8574
DOI10.1016/j.ecoleng.2009.11.009
英文摘要Three emergent macrophytes (Zizania latifolia (Turcz) Hand.-Mazz., Phragmites australis (Cav.) Trin. ex Steud. and Typha angustifolia Linn.) and three different sediments from Lake Dianchi of Yunnan province, China, were studied through orthogonal pot-planting experiment in order to compare the ability of the three emergent macrophytes in dealing with the contaminated sludge and to evaluate the possibility of purifying the sediment through aquatic plant rehabilitation. The results show that the number of sprouts and biomass of all the species growing in the sediment of site 3 were higher than those growing in the sediment of sites 1 and 2; the plants growing in the sediment of site 3 also exhibited the highest root activities; in each sediment, the sequence of root activity of the species was: Z. latifolia > P. australi > T. angustifolia; TP content in the sediments grown with different plants reduced significantly than those of control. These results indicated that these emergent plants were able to grow well in the contaminated sediment though it is black with a strong odor. Z. latifolia shows the highest root activity in the sediment of site 3, from which we can deduce that this plant should be the preferred pioneer species for purifying the sediment. According to their biomass and TN content and TP content, 1 latifolia. P. austral( and T. angustifolia retained TN 16.6, 29.8, 12.8, and TP 2.2, 3.6, 3.9 g m(-2), respectively. Based on the climate of Dianchi valley, these plants can be harvested twice in a year. Thus, the amount of nutrient can be removed almost doubly. Therefore, the sludge can be purified through macrophytes restoration and not through sediment dredging, which was proved to be expensive and invalid in the large shallow lakes. (C) 2009 Elsevier B.V. All rights reserved.
资助项目National Contaminated Water Body Control and Treatment[2008ZX07105-004] ; National Contaminated Water Body Control and Treatment[2008ZX07102-005] ; Evolvement of River-Lake Wetland System and its Ecological Effects in the Yangtze-Han River Plain[kzcx2-yw-141] ; National Natural Science Fundation of China[40871251]
WOS研究方向Environmental Sciences & Ecology ; Engineering
语种英语
WOS记录号WOS:000276290400010
出版者ELSEVIER SCIENCE BV
源URL[http://202.127.146.157/handle/2RYDP1HH/965]  
专题中国科学院武汉植物园
通讯作者Wang Xue-Lei
作者单位1.Chinese Acad Sci, Wuhan Bot Garden, Wuhan 430074, Peoples R China
2.Chinese Acad Sci, Inst Geodesy & Geophys, Wuhan 430077, Peoples R China
推荐引用方式
GB/T 7714
Li En-Hua,Wang Xue-Lei,Xiao Fei,et al. Experiment of emergent macrophytes growing in contaminated sludge: Implication for sediment purification and lake restoration[J]. ECOLOGICAL ENGINEERING,2010,36(4):427-434.
APA Li En-Hua,Wang Xue-Lei,Xiao Fei,Xue Huai-Ping,&Li Wei.(2010).Experiment of emergent macrophytes growing in contaminated sludge: Implication for sediment purification and lake restoration.ECOLOGICAL ENGINEERING,36(4),427-434.
MLA Li En-Hua,et al."Experiment of emergent macrophytes growing in contaminated sludge: Implication for sediment purification and lake restoration".ECOLOGICAL ENGINEERING 36.4(2010):427-434.

入库方式: OAI收割

来源:武汉植物园

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