Phosphorus in suspended matter and sediments of a hypertrophic lake. A case study: Lake Dianchi, China

CORC > 水生生物研究所 > 中科院水生所知识产出（2009年前） > 期刊论文

	Phosphorus in suspended matter and sediments of a hypertrophic lake. A case study: Lake Dianchi, China
	Hu Jun 2; Liu Jiantong 1; Liu Yongding 1
刊名	ENVIRONMENTAL GEOLOGY
	2009-08-01
卷号	58 期号:4 页码:833-841
关键词	Phosphorus Suspended matter Sediment Fractionation Cyanobacterial bloom Lake Dianchi
ISSN号	0943-0105
通讯作者	Liu, JT, Chinese Acad Sci, Inst Hydrobiol, Wuhan, Peoples R China
中文摘要	From June 2004 to December 2004, Lake Dianchi, which had large scale of cyanobacterial blooms was investigated in order to study P-fractionation in the suspended matter and the sediment. The investigation improves our understanding of phosphorus in Lake Dianchi and the relationship between phosphorus and cyanobacterial blooms. It contributes to the available literature on the behavior of P in hypertrophic lakes. The distribution of P-fractions in Lake Dianchi was not uniform from northwest to south, but was closely related to the trophic status of the whole lake. The concentrations of total phosphorus, labile P (NH4Cl-P), Organic P (NaOH-NRP) and loss on ignition in suspended matter were positively correlated with the strength of cyanobacterial blooms. Total phosphorus in suspended matter was relatively stable for almost half an year and closely related to Chl. a concentration. The main content of organic phosphorus is in the cyanobacterial blooms. The concentrations of phosphorus bound to metal oxides and carbonates (NaOH-SRP and HCl-P) in sediment were similar to NaOH-SRP and HCl-P in the corresponding suspended matter. The latter two forms of P in suspended matter were not affected by cyanobacterial blooms, indicating that the inorganic phosphorus is derived from the sediment after resuspension from the sediment due to wind and wave action. The contribution of the different P-fractions to TP in sediment and in suspended matter indicates that NH4Cl-P in the suspended matter is an important buffer for maintaining dissolved phosphorus in water.
英文摘要	From June 2004 to December 2004, Lake Dianchi, which had large scale of cyanobacterial blooms was investigated in order to study P-fractionation in the suspended matter and the sediment. The investigation improves our understanding of phosphorus in Lake Dianchi and the relationship between phosphorus and cyanobacterial blooms. It contributes to the available literature on the behavior of P in hypertrophic lakes. The distribution of P-fractions in Lake Dianchi was not uniform from northwest to south, but was closely related to the trophic status of the whole lake. The concentrations of total phosphorus, labile P (NH(4)Cl-P), Organic P (NaOH-NRP) and loss on ignition in suspended matter were positively correlated with the strength of cyanobacterial blooms. Total phosphorus in suspended matter was relatively stable for almost half an year and closely related to Chl. a concentration. The main content of organic phosphorus is in the cyanobacterial blooms. The concentrations of phosphorus bound to metal oxides and carbonates (NaOH-SRP and HCl-P) in sediment were similar to NaOH-SRP and HCl-P in the corresponding suspended matter. The latter two forms of P in suspended matter were not affected by cyanobacterial blooms, indicating that the inorganic phosphorus is derived from the sediment after resuspension from the sediment due to wind and wave action. The contribution of the different P-fractions to TP in sediment and in suspended matter indicates that NH(4)Cl-P in the suspended matter is an important buffer for maintaining dissolved phosphorus in water.
学科主题	Environmental Sciences; Geosciences, Multidisciplinary; Water Resources
WOS标题词	Science & Technology ; Life Sciences & Biomedicine ; Physical Sciences
类目[WOS]	Environmental Sciences ; Geosciences, Multidisciplinary ; Water Resources
研究领域[WOS]	Environmental Sciences & Ecology ; Geology ; Water Resources
关键词[WOS]	RELEASE ; ERKEN ; RESUSPENSION ; PARTICLES ; BOTTOM ; POOLS ; RIVER
收录类别	SCI
资助信息	National Basic Research Project of China [2009CB118705]
语种	英语
WOS记录号	WOS:000268543900013
公开日期	2010-10-13
内容类型	期刊论文
源URL	[http://ir.ihb.ac.cn/handle/152342/7636]
专题	水生生物研究所_中科院水生所知识产出（2009年前）_期刊论文
作者单位	1.Chinese Acad Sci, Inst Hydrobiol, Wuhan, Peoples R China 2.Minist Water Resources, Inst Hydroecol, Wuhan, Peoples R China
推荐引用方式 GB/T 7714	Hu Jun,Liu Jiantong,Liu Yongding. Phosphorus in suspended matter and sediments of a hypertrophic lake. A case study: Lake Dianchi, China[J]. ENVIRONMENTAL GEOLOGY,2009,58(4):833-841.
APA	Hu Jun,Liu Jiantong,&Liu Yongding.(2009).Phosphorus in suspended matter and sediments of a hypertrophic lake. A case study: Lake Dianchi, China.ENVIRONMENTAL GEOLOGY,58(4),833-841.
MLA	Hu Jun,et al."Phosphorus in suspended matter and sediments of a hypertrophic lake. A case study: Lake Dianchi, China".ENVIRONMENTAL GEOLOGY 58.4(2009):833-841.