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森林截留降水酸度及其对林下土壤的影响

Acidity of Open and Intercepted Precipitation in Chinese Fir Plantation and Effects on the Soil in Nanping,China

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【作者】 樊后保梁一池马壮黄克福

【Author】 Fan Houbao; Liang Yichi; Ma Zhuang; Huang Kefu(Forestry Department of Fujian College of Foreatry, Nanping 353001)

【机构】 福建林学院林学系

【摘要】 通过一年的定点对比监测表明,树干茎流的酸度明显地高于林外雨和林内雨的酸度,高污染源较近的西芹监测场的降水酸度普遍比污染源较远的福建林学院监测场的高.降水酸度影响了林下土壤的性质.林下土壤交换性酸度随降水酸度的提高而增加,而土壤交换性盐基离子浓度和Ca2+/Al3+则相应下降,土壤有效磷的含量也略有下降.

【Abstract】 Acidity of stemflow was much greater than that of open rainfall and throughfall at two located monitoring slies at varyng distances from sulphur dioxide sources.Emissions of sulphur dioxide appeard to have acidifying effect on open rainfall,throughfall,stemflow and soil solution at Xiqin site mear major sources.Resulting effects on soil chemistry included elevated exchangeable bases and Ca2+/Al3+ ratio,and slightly decreasd available phosphorus.

【基金】 日本国际绿化推进中心(JIFPRO)资助
  • 【文献出处】 福建林学院学报 ,JOURNAL OF FUJIAN COLLEGE OF FORESTRY , 编辑部邮箱 ,1995年01期
  • 【分类号】X517
  • 【被引频次】11
  • 【下载频次】105
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