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学科主题: Agronomy
题名: Allelopathic interactions between the Potamogeton spp and toxic cyanobacteria (Microcystis aeruginosa)
作者: Zhang, S. H. ; Cheng, S. P. ; Wang, H. Q. ; He, F. ; Wu, Z. B.
通讯作者: Wu, ZB, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
关键词: Allelopthic interactions ; cyanobacteria ; eutrophication ; macrophyte ; Microcystis aeruginosa ; photosynthesis ; Potamogeton maarkianus ; Potamogeton malaianus ; Potamogeton pectinatus ; respiration
刊名: ALLELOPATHY JOURNAL
发表日期: 2009
卷: 23, 期:2, 页:379-390
收录类别: SCI
部门归属: [Zhang, S. H.; Cheng, S. P.; Wang, H. Q.; He, F.; Wu, Z. B.] Yunnan Univ, Res Inst Engn & Technol, Kunming 650091, Peoples R China
资助者: National Science Fund for Distinguished Young Scholars [39925007]; China '863' High-Tech Program [2002AA601021]; 'Knowledge Innovation Program' Key Project of-CAS [KSCX2-SW-102]
摘要: This study aimed to investigate the allelopathic activities between 3 Potamogeton spp. (Potamogeton maackianus, Potamogeton malaianus and Potamogeton pectinatus) and the toxic cyanobacteria (Microcystis aeruginosa). All Potamogeton spp inhibited the growth of M. aeruginosa in both coexistence and exudates experiments. Inhibition of M. aeruginosa growth by plant exudates depended strongly on the biomass of P malaianus. Initial pH (6.5-9.8) did not influence the inhibitory effects of P. malaianus exudates. However, the M. aeruginosa inhibited the net photosynthesis and respiration of all three pondweed test spp.. The decreases in photosynthesis and respiration were probably caused by the toxic compounds released by M. aeruginosa, rather than its shading effects. The M. aeruginosa also decreased the nutrients (phosphorus and nitrogen) uptake rates of macrophytes. The absorption rates of phosphorus and nitrogen and net photosynthesis were decreased sharply. These results will help to restore submerged plants in eutrophic waters.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/152342/7796
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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Zhang, S. H.; Cheng, S. P.; Wang, H. Q.; He, F.; Wu, Z. B..Allelopathic interactions between the Potamogeton spp and toxic cyanobacteria (Microcystis aeruginosa),ALLELOPATHY JOURNAL,2009,23(2):379-390
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