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Effects of overlying water and sediment from Donghu Lake of Wuhan on the growth of Potamogeton maackianus A. Benn
Qiu Dong-Ru, Wu Zhen-Bin; Deng Jia-Qi; Zhan Fa-Cui; Inst. Hydrobiol., Chin. Acad. Sci., Wuhan 430072, China
1997
Source PublicationJournal of Plant Resources and Environment
ISSN1004-0978
Volume6Issue:4Pages:45-49
AbstractThe effects of the overlying water and sediment from the heavily polluted area of Donghu Lake of Wuhan on the growth of Potamogeton maackianus A. Benn. were surveyed under using artificial culture method. The shoots of P. maackianus are well developed on the lake sediment when it is cultured in cement tank, and the biomass and shoot height of the plant are both much higher than those of the control plants cultured on the brown clay in the same tank. The activity of root system in the lake sediment is also much higher than that of the root system in clay. However, the roots of this plant are slender and the root number per shoot is lower in the lake sediment as compared to the control. It is shown that the sediment is certainly the main source of nutrients for submerged macrophytes and the roots play an important role in the uptake of nutrients from sediment besides the attachment to substrate. The results also showed that the overlying water from the heavily polluted area of Donghu Lake affected on the growth and development of P. maackianus. When P. maackianus grow in the lake water, their biomass, weight ratio between root weight and shoot weight and root numbers are low. The mechanism responsible for the extinction of P. maackianus and strategies for aquatic macrophyte rehabilitation are also discussed.
Indexed By其他
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/17875
Collection期刊论文
Corresponding AuthorInst. Hydrobiol., Chin. Acad. Sci., Wuhan 430072, China
Recommended Citation
GB/T 7714
Qiu Dong-Ru, Wu Zhen-Bin,Deng Jia-Qi,Zhan Fa-Cui,et al. Effects of overlying water and sediment from Donghu Lake of Wuhan on the growth of Potamogeton maackianus A. Benn[J]. Journal of Plant Resources and Environment,1997,6(4):45-49.
APA Qiu Dong-Ru, Wu Zhen-Bin,Deng Jia-Qi,Zhan Fa-Cui,&Inst. Hydrobiol., Chin. Acad. Sci., Wuhan 430072, China.(1997).Effects of overlying water and sediment from Donghu Lake of Wuhan on the growth of Potamogeton maackianus A. Benn.Journal of Plant Resources and Environment,6(4),45-49.
MLA Qiu Dong-Ru, Wu Zhen-Bin,et al."Effects of overlying water and sediment from Donghu Lake of Wuhan on the growth of Potamogeton maackianus A. Benn".Journal of Plant Resources and Environment 6.4(1997):45-49.
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