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题名: Effects of Fertilizer-Urea on Growth, Photosynthetic Activity and Microcystins Production of Microcystis aeruginosa Isolated from Dianchi Lake
作者: Huang, Wenmin1; Bi, Yonghong1; Hu, Zhengyu1
通讯作者: Bi, YH (reprint author), Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China.
关键词: Microcystis aeruginosa ; Urea ; Growth ; Photosynthetic activity ; Microcystins ; Dianchi Lake
刊名: BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY
发表日期: 2014-05-01
DOI: 10.1007/s00128-014-1217-6
卷: 92, 期:5, 页:514-519
收录类别: SCI
文章类型: Article
部门归属: [Huang, Wenmin; Bi, Yonghong; Hu, Zhengyu] Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
资助者: National Natural Science Foundation of China [31100340]; National Water Pollution Control and Management Technology Major Projects [2009ZX07104-005]
类目[WOS]: Environmental Sciences ; Toxicology
研究领域[WOS]: Environmental Sciences & Ecology ; Toxicology
摘要: Urea is the most frequently applied nitrogen (N) fertilizer in agriculture, while its loss is assumed triggering algal blooms in adjacent water bodies. In this context the present study assessed the growth, photosynthetic activity as well as toxin production of Microcystis aeruginosa at different urea concentrations (0.125, 1.25, 12.5, 250 and 2,500 mg/L) using BG11 (containing 250 mg/L NO3 (-)-N) as control. The results showed for all endpoints that M. aeruginosa is capable of using urea as N source: the two highest urea treatments delivered comparable values like the control. Low urea concentrations (0.125 and 1.25 mg/L), which were comparable to environmental urea levels, did not sustainably promote the growth, photosynthesis and toxin production of the test species. While, in certain microenvironments urea might potentially reach the concentrations that may affect M. aeruginosa.
英文摘要: Urea is the most frequently applied nitrogen (N) fertilizer in agriculture, while its loss is assumed triggering algal blooms in adjacent water bodies. In this context the present study assessed the growth, photosynthetic activity as well as toxin production of Microcystis aeruginosa at different urea concentrations (0.125, 1.25, 12.5, 250 and 2,500 mg/L) using BG11 (containing 250 mg/L NO3 (-)-N) as control. The results showed for all endpoints that M. aeruginosa is capable of using urea as N source: the two highest urea treatments delivered comparable values like the control. Low urea concentrations (0.125 and 1.25 mg/L), which were comparable to environmental urea levels, did not sustainably promote the growth, photosynthesis and toxin production of the test species. While, in certain microenvironments urea might potentially reach the concentrations that may affect M. aeruginosa.
关键词[WOS]: BLUE-GREEN ALGAE ; ALEXANDRIUM-CATENELLA ; NITROGEN ; NUTRITION ; METABOLISM ; LIMITATION ; CULTURES ; BLOOM ; WATER
语种: 英语
WOS记录号: WOS:000334413700003
ISSN号: 0007-4861
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/20104
Appears in Collections:藻类生物学及应用研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China

Recommended Citation:
Huang, Wenmin; Bi, Yonghong; Hu, Zhengyu.Effects of Fertilizer-Urea on Growth, Photosynthetic Activity and Microcystins Production of Microcystis aeruginosa Isolated from Dianchi Lake,BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY,2014,92(5):514-519
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