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Phosphorus in suspended matter and sediments of a hypertrophic lake. A case study: Lake Dianchi, China
Hu Jun; Liu Jiantong; Liu Yongding; Liu, JT, Chinese Acad Sci, Inst Hydrobiol, Wuhan, Peoples R China
2009
Source PublicationENVIRONMENTAL GEOLOGY
Volume58Issue:4Pages:833-841
AbstractFrom 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.
KeywordPhosphorus Suspended Matter Sediment Fractionation Cyanobacterial Bloom Lake Dianchi
Department[Liu Jiantong; Liu Yongding] Chinese Acad Sci, Inst Hydrobiol, Wuhan, Peoples R China; [Hu Jun] Minist Water Resources, Inst Hydroecol, Wuhan, Peoples R China
Subject AreaEnvironmental Sciences ; Geosciences, Multidisciplinary ; Water Resources
Funding OrganizationNational Basic Research Project of China [2009CB118705] ; National Basic Research Project of China [2009CB118705] ; National Basic Research Project of China [2009CB118705] ; National Basic Research Project of China [2009CB118705]
Indexed BySCI
Language英语
WOS IDWOS:000268543900013
Funding OrganizationNational Basic Research Project of China [2009CB118705] ; National Basic Research Project of China [2009CB118705] ; National Basic Research Project of China [2009CB118705] ; National Basic Research Project of China [2009CB118705]
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Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/152342/7636
Collection期刊论文
Corresponding AuthorLiu, JT, Chinese Acad Sci, Inst Hydrobiol, Wuhan, Peoples R China
Recommended Citation
GB/T 7714
Hu Jun,Liu Jiantong,Liu Yongding,et al. 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,&Liu, JT, Chinese Acad Sci, Inst Hydrobiol, Wuhan, Peoples R China.(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.
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