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学科主题: Environmental Sciences; Toxicology
题名: Physiological Stress of High NH (4) (+) Concentration in Water Column on the Submersed Macrophyte Vallisneria Natans L.
作者: Cao, Te1; Xie, Ping1; Li, Zhongqiang2; Ni, Leyi1; Zhang, Meng1; Xu, Jun1
通讯作者: Ni, LY, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Donghu Expt Stn Lake Ecosyst, Donghu S Rd 7, Wuhan 430072, Peoples R China
关键词: NH4+ stress ; Vallisneria natans ; Eutrophication ; Macrophyte restoration
刊名: BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY
发表日期: 2009-03-01
DOI: 10.1007/s00128-008-9531-5
卷: 82, 期:3, 页:296-299
收录类别: SCI
文章类型: Article
部门归属: [Cao, Te; Xie, Ping; Ni, Leyi; Zhang, Meng; Xu, Jun] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Donghu Expt Stn Lake Ecosyst, Wuhan 430072, Peoples R China; [Li, Zhongqiang] Hubei Univ, Fac Resources & Environm, Wuhan 430062, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
资助者: Improving Water Quality of Drinking Water Source in Meiliang Bay, Lake Taihu [2002AA601011]; NSFC [30570280]
类目[WOS]: Environmental Sciences ; Toxicology
研究领域[WOS]: Environmental Sciences & Ecology ; Toxicology
摘要: The submersed macrophyte, Vallisneria natans L., was cultured in laboratory with NH (4) (+) -enriched tap water (1 mg L-1 NH4-N) for 2 months and the stressful effects of high ammonium (NH (4) (+) ) concentrations in the water column on this species was evaluated. The plant growth was severely inhibited by the NH (4) (+) supplement in the water column. The plant carbon and nitrogen metabolisms were disturbed by the NH (4) (+) supplement as indicated by the accumulation of free amino acids and the depletion of soluble carbohydrates in the plant tissues. The results suggested that high NH (4) (+) concentrations in the water column may hamper the restoration of submersed vegetation in eutrophic lakes.
英文摘要: The submersed macrophyte, Vallisneria natans L., was cultured in laboratory with NH (4) (+) -enriched tap water (1 mg L-1 NH4-N) for 2 months and the stressful effects of high ammonium (NH (4) (+) ) concentrations in the water column on this species was evaluated. The plant growth was severely inhibited by the NH (4) (+) supplement in the water column. The plant carbon and nitrogen metabolisms were disturbed by the NH (4) (+) supplement as indicated by the accumulation of free amino acids and the depletion of soluble carbohydrates in the plant tissues. The results suggested that high NH (4) (+) concentrations in the water column may hamper the restoration of submersed vegetation in eutrophic lakes.
关键词[WOS]: TOXICITY ; AMMONIUM ; METABOLISM ; NITROGEN ; GROWTH
语种: 英语
WOS记录号: WOS:000262503900008
ISSN号: 0007-4861
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/152342/7914
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.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Donghu Expt Stn Lake Ecosyst, Wuhan 430072, Peoples R China
2.Hubei Univ, Fac Resources & Environm, Wuhan 430062, Peoples R China

Recommended Citation:
Cao, Te; Xie, Ping; Li, Zhongqiang; Ni, Leyi; Zhang, Meng; Xu, Jun.Physiological Stress of High NH (4) (+) Concentration in Water Column on the Submersed Macrophyte Vallisneria Natans L.,BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY,2009,82(3):296-299
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