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Effects of simulated acid rain on NH4+, NO3-, H + ion fluxes in roots of Oenanthe javanica
Pages: 101-105
Year: Issue:  2
Journal: Journal of Nanjing Forestry University(Natural Science Edition)

Abstract: 氮素是植物生长发育必需的营养元素,利用水生植物吸收水体中的氮素是富营养化水体生态修复的重要途径.以水芹(Oenanthe javanica)为研究材料,在中富营养和超富营养两种水平下,探讨模拟酸雨对水芹根部H+、NH4+和NO3-离子流及根系活力的影响.结果表明,酸雨对水芹根系吸收水体中氮素产生影响,并随富营养化水平提高其影响加大.分析发现:(1)水芹对NH4+有吸收偏好;(2)与对照相比,模拟酸...
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