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题名: Relationships between organic matter in sediments and internal nutrient loadings in shallow lakes in Hubei province of China
作者: Chen Fang (fangehen326@126.com) ; Xia Zhuo-Ying ; Song Chun-Lei ; Li Jian-Qiu ; Zhou Yi-Yong (zhouyy@ihb.ac.cn)
通讯作者: Chen Fang ; Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
刊名: Acta Hydrobiologica Sinica
发表日期: 2007
卷: 31, 期:4, 页:467-472
收录类别: 其他
英文摘要: Eutrophication of Lake is attributable to the burgeoning human population in its watershed. In this study, comparative investigations have been conducted to study the nutrient distribution pattem,physical and chemical properties of sediments in different areal lakes. Sediment samples have been collected during the period from 2002 to 2004 in seven shallow lakes (Lake Yuehu, Longyanghu, Houguanhu, Liangzihu, Niushanhu, Baoanhu and Luhu) in Hubei Province for analysis of organic matter (OM), total nitrogen (TN), total phosphorus (TP) in surface sediments. The grain size of sediment in Lake Yuchu, Longyanghu and Baoanhu was also determined. In addition, Vertical profiles of OM, TN and TP in sediments were described in Lake Yuehu and Lake Longyanghu. For organic matter in surface sediments, urban lakes like Yuehu and Longyanghu showed not only significantly higher contents, but also a spatial heterogeneity with littoral zones being more abundant. Thus external discharge was its main source and accelerated the process of eutrophication. Furthermore, OM significantly related with TN and TP vertically and spatially, but the relationship between OM and TN was better than the relationship between OM and TP. As in the case of carbon, a dominant proportion of the nitrogen found in the sediments is organically bound. For phosphorus, on the other hand, a dominant proportion is inorganically bound. Grain size was also closely connected with OM and TN, respectively. But there was no correlation between TP and grain size. It may be interpreted by the diversity of Phosphorus forms. In short, OM may act as an important factor accelerating the process of eutrophication in urban lakes.
ISSN号: 1000-3207
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/18229
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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Chen Fang (fangehen326@126.com) ; Xia Zhuo-Ying; Song Chun-Lei; Li Jian-Qiu; Zhou Yi-Yong (zhouyy@ihb.ac.cn).Relationships between organic matter in sediments and internal nutrient loadings in shallow lakes in Hubei province of China,Acta Hydrobiologica Sinica,2007,31(4):467-472
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文件名: Relationships between organic matter in sediments and internal nutrient loadings in shallow lakes in Hubei province of China.pdf
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