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Relationships between organic matter in sediments and internal nutrient loadings in shallow lakes in Hubei province of China
Chen Fang (fangehen326@126.com); Xia Zhuo-Ying; Song Chun-Lei; Li Jian-Qiu; Zhou Yi-Yong (zhouyy@ihb.ac.cn); Chen Fang; Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
2007
Source PublicationActa Hydrobiologica Sinica
ISSN1000-3207
Volume31Issue:4Pages:467-472
AbstractEutrophication 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.
Indexed By其他
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/18229
Collection期刊论文
Corresponding AuthorChen Fang; Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
Recommended Citation
GB/T 7714
Chen Fang ,Xia Zhuo-Ying,Song Chun-Lei,et al. Relationships between organic matter in sediments and internal nutrient loadings in shallow lakes in Hubei province of China[J]. Acta Hydrobiologica Sinica,2007,31(4):467-472.
APA Chen Fang .,Xia Zhuo-Ying.,Song Chun-Lei.,Li Jian-Qiu.,Zhou Yi-Yong .,...&Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China.(2007).Relationships between organic matter in sediments and internal nutrient loadings in shallow lakes in Hubei province of China.Acta Hydrobiologica Sinica,31(4),467-472.
MLA Chen Fang ,et al."Relationships between organic matter in sediments and internal nutrient loadings in shallow lakes in Hubei province of China".Acta Hydrobiologica Sinica 31.4(2007):467-472.
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