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学科主题: Marine & Freshwater Biology
题名: Influence of Potamogeton crispus growth on nutrients in the sediment and water of Lake Tangxunhu
作者: Mi, W. J.1; Zhu, D. W.1; Zhou, Y. Y.2; Zhou, H. D.3; Yang, T. W.1; Hamilton, D. P.4
通讯作者: Zhu, DW, Huazhong Agr Univ, Coll Resources & Environm, Lab Plant Nutr & Ecol Environm Res, Wuhan 430070, Peoples R China
关键词: submerged macrophyte ; water column ; pore waters ; micro-nutrients ; phosphorus
刊名: HYDROBIOLOGIA
发表日期: 2008-05-01
DOI: 10.1007/s10750-007-9254-3
卷: 603, 页:139-146
收录类别: SCI
文章类型: Article
部门归属: [Mi, W. J.; Zhu, D. W.; Yang, T. W.] Huazhong Agr Univ, Coll Resources & Environm, Lab Plant Nutr & Ecol Environm Res, Wuhan 430070, Peoples R China; [Zhou, Y. Y.] Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China; [Zhou, H. D.] China Inst Water Resources & Hydropower Res, Dept Water Environm, Beijing 100038, Peoples R China; [Hamilton, D. P.] Univ Waikato, Ctr Biodiversity & Ecol Res, Hamilton 3240, New Zealand
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Marine & Freshwater Biology
研究领域[WOS]: Marine & Freshwater Biology
摘要: An incubation experiment was performed on Potamogeton crispus (P. crispus) using sediment collected from Lake Tangxunhu in the center of China, in order to determine the effects of plant growth on Fe, Si, Cu, Zn, Mn, Mg, P, and Ca concentrations in the sediments and overlying waters. After 3 months of incubation, Ca, Mg, and Si concentrations in the water column were significantly lower, and P and Cu concentrations were significantly higher than in unplanted controls. The effect of P. crispus growth on sediment pore waters and water-extractable elements varied. Concentrations of Ca, Mg, Si, Fe, Cu, and Zn were significantly higher, and P was significantly lower, than in pore waters of the control. Water-extracted concentrations of Fe, Mg, and Si in the sediments were lower, and P was higher, than in the control. Presence of P. crispus generally enhanced concentration gradients of elements between pore waters and overlying waters but not for P. The growth of P. crispus was associated with an increase in water pH and formation of root plaques, resulting in complex effects on the sediment nutritional status.
英文摘要: An incubation experiment was performed on Potamogeton crispus (P. crispus) using sediment collected from Lake Tangxunhu in the center of China, in order to determine the effects of plant growth on Fe, Si, Cu, Zn, Mn, Mg, P, and Ca concentrations in the sediments and overlying waters. After 3 months of incubation, Ca, Mg, and Si concentrations in the water column were significantly lower, and P and Cu concentrations were significantly higher than in unplanted controls. The effect of P. crispus growth on sediment pore waters and water-extractable elements varied. Concentrations of Ca, Mg, Si, Fe, Cu, and Zn were significantly higher, and P was significantly lower, than in pore waters of the control. Water-extracted concentrations of Fe, Mg, and Si in the sediments were lower, and P was higher, than in the control. Presence of P. crispus generally enhanced concentration gradients of elements between pore waters and overlying waters but not for P. The growth of P. crispus was associated with an increase in water pH and formation of root plaques, resulting in complex effects on the sediment nutritional status.
关键词[WOS]: AQUATIC MACROPHYTES ; SUBMERSED MACROPHYTES ; ROOT PLAQUES ; PHOSPHORUS ; DYNAMICS ; WETLANDS ; METALS ; IRON ; MN ; FE
语种: 英语
WOS记录号: WOS:000254088900010
ISSN号: 0018-8158
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/152342/8222
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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作者单位: 1.Huazhong Agr Univ, Coll Resources & Environm, Lab Plant Nutr & Ecol Environm Res, Wuhan 430070, Peoples R China
2.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
3.China Inst Water Resources & Hydropower Res, Dept Water Environm, Beijing 100038, Peoples R China
4.Univ Waikato, Ctr Biodiversity & Ecol Res, Hamilton 3240, New Zealand

Recommended Citation:
Mi, W. J.; Zhu, D. W.; Zhou, Y. Y.; Zhou, H. D.; Yang, T. W.; Hamilton, D. P..Influence of Potamogeton crispus growth on nutrients in the sediment and water of Lake Tangxunhu,HYDROBIOLOGIA,2008,603():139-146
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