The low TN : TP ratio, a cause or a result of Microcystis blooms? | |
Xie, LQ; Xie, P; Li, SX; Tang, HJ; Liu, H | |
刊名 | WATER RESEARCH
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2003-05-01 | |
卷号 | 37期号:9页码:2073-2080 |
关键词 | TN : TP ratios Microcystis blooms enclosures water and sediments P-reduction |
ISSN号 | 0043-1354 |
通讯作者 | Xie, P, Wuhan Univ, Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol,Donghu Expt Stn Lake Ecosyst, Wuhan 430072, Peoples R China |
中文摘要 | An enclosure experiment in the shallow, subtropical Lake Donghu, China, was performed in the summer of 2001 to examine the effect of TN:TP (total phosphorus) ratios and P-reduction on the occurrence of Microcysitis blooms. The treatments were performed with enough amounts of N but with different amounts of P in the water column and sediment. Microcystis blooms occurred in the enclosures either with an initial TN:TP <29 or TN:TP >29 where the nutrients (N, P) were high enough. Microcysitis blooms never occurred in the treatments with low P concentration in spite of the presence of sufficient N. The P-rich sediments served as an important source for the P supply in the water column, and such a process was activated greatly by the outburst of Microcystis blooms which pumped up selectively P from the sediments and thus decreased the TN:TP ratios. Therefore, the low TN:TP ratio is not a cause but rather a result of Microcystis blooms. (C) 2002 Elsevier Science Ltd. All rights reserved. |
英文摘要 | An enclosure experiment in the shallow, subtropical Lake Donghu, China, was performed in the summer of 2001 to examine the effect of TN:TP (total phosphorus) ratios and P-reduction on the occurrence of Microcysitis blooms. The treatments were performed with enough amounts of N but with different amounts of P in the water column and sediment. Microcystis blooms occurred in the enclosures either with an initial TN:TP <29 or TN:TP >29 where the nutrients (N, P) were high enough. Microcysitis blooms never occurred in the treatments with low P concentration in spite of the presence of sufficient N. The P-rich sediments served as an important source for the P supply in the water column, and such a process was activated greatly by the outburst of Microcystis blooms which pumped up selectively P from the sediments and thus decreased the TN:TP ratios. Therefore, the low TN:TP ratio is not a cause but rather a result of Microcystis blooms. (C) 2002 Elsevier Science Ltd. All rights reserved. |
学科主题 | Engineering ; Environmental; Environmental Sciences; Water Resources |
WOS标题词 | Science & Technology ; Technology ; Life Sciences & Biomedicine ; Physical Sciences |
类目[WOS] | Engineering, Environmental ; Environmental Sciences ; Water Resources |
研究领域[WOS] | Engineering ; Environmental Sciences & Ecology ; Water Resources |
关键词[WOS] | SUBTROPICAL CHINESE LAKE ; BLUE-GREEN-ALGAE ; TOTAL PHOSPHORUS ; SUPPLY RATIOS ; WATER-BLOOMS ; NITROGEN ; PHYTOPLANKTON ; SHALLOW ; AERUGINOSA ; DYNAMICS |
收录类别 | SCI |
语种 | 英语 |
WOS记录号 | WOS:000182421600011 |
公开日期 | 2010-10-13 |
内容类型 | 期刊论文 |
源URL | [http://ir.ihb.ac.cn/handle/152342/9704] ![]() |
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 | Wuhan Univ, Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol,Donghu Expt Stn Lake Ecosyst, Wuhan 430072, Peoples R China |
推荐引用方式 GB/T 7714 | Xie, LQ,Xie, P,Li, SX,et al. The low TN : TP ratio, a cause or a result of Microcystis blooms?[J]. WATER RESEARCH,2003,37(9):2073-2080. |
APA | Xie, LQ,Xie, P,Li, SX,Tang, HJ,&Liu, H.(2003).The low TN : TP ratio, a cause or a result of Microcystis blooms?.WATER RESEARCH,37(9),2073-2080. |
MLA | Xie, LQ,et al."The low TN : TP ratio, a cause or a result of Microcystis blooms?".WATER RESEARCH 37.9(2003):2073-2080. |
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