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酸雨对重庆几种土壤中元素释放的影响
引用本文:周国逸,小仓纪雄.酸雨对重庆几种土壤中元素释放的影响[J].生态学报,1996,16(3):251-257.
作者姓名:周国逸  小仓纪雄
作者单位:[1]中国科学院华南植物研究所 [2]东京农工大学农学部
摘    要:本文通过一个严格的实验设计,研究了荒地,人工马尾松林,樟树林,公园耕作土等4种土壤的自然土柱在受到完全根据天然降水而配制的不同酸度的人工模拟酸寸在严格的人工控制下的淋洗后,淋洗液的PH值变化和各种物质元素浓度的变化规律,表明了重庆南山的主要土壤都存在一定的抗酸化能力,在这个临界值范围内,土壤溶液的PH值及其中物质的元素浓度都相对稳定;而在此范围以外,土壤溶液PH值急剧下降。Al^3+、Ca^2+、

关 键 词:土壤生态学  酸雨  土壤  元素释放  重庆
收稿时间:1994/6/19 0:00:00
修稿时间:1994/11/11 0:00:00

THE INFLUENCES OF ACID RAIN OF THE LIBERATION OF SEVERAL ELEMENTS FROM VARIOUS SOIL TYPES IN CHONGQING
ZHOU Guoyi and Norio Ogura.THE INFLUENCES OF ACID RAIN OF THE LIBERATION OF SEVERAL ELEMENTS FROM VARIOUS SOIL TYPES IN CHONGQING[J].Acta Ecologica Sinica,1996,16(3):251-257.
Authors:ZHOU Guoyi and Norio Ogura
Institution:South China Institute of Botany; Chinese Academy of Sciences; Guangzhou; China; 510650
Abstract:Based on a strict experimental design,four soil types that are sterile land,manmade Masson Pine forest soil,Camphors forest soil and cultivated soil from Nanshan Park were selected to be leached by simulated acid rain of four pH values.The results show that all the four types of soil had some capability of anti-acidification and in this range,the pH of leached solution and elements in it could keep relative stable.However,out of this range,the pH of leached solution dropped greatly and the canon Al,Ca,Mg increased dramatically.At the same time, this paper analysed the damages of terrestrial ecosystem by high concentration of aluminium according to the ratio of Ca/Al and the aluminium content.
Keywords:soil  simulated acid rain  leached solution  pH    
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