中国若干地区森林土壤对酸雨缓冲能力的探讨
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A STUDY ON BUFFERING POWER OF THE FOREST SOIL FOR ACIDIC PRECIPITATION IN SOME REGIONS OF CHINA
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    摘要:

    为了探讨我国若干地区森林土壤对酸雨的缓冲能力,本文在对我国几个典型森林地带的土壤样品进行矿物分离富集等基础上用x射线粉末衍射法进行矿物学研究;本实验采用丙酮-二碘甲烷量液体系对土壤中的细砂级矿物进行密度梯度分级处理,同时对土壤中的淤泥样品进行严格的分选,集中<2μm的粘粒,而后分别作矿物分析鉴定;根据其结果,对各地区森林土壤中的细砂及粘土矿物组成作了比较,并对这些地区土壤的风化潜力及其对酸雨的缓冲能力作了讨论。

    Abstract:

    Soil samples from several forest areas in China were analyzed by X-ray powder diffractometry after mineral separation and enrichment. The density gradient separation method with sequential extraction by acetone-methylene iodide mixtures was applied for the separation of fine sand fraction of the soil samples. The clay fraction (<2um) was separated from silt fraction of soil samples prior to examination. Mineral components in some fine sand and clay samples were compared, and their weathering potentiality an...

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林国珍,丁茹.中国若干地区森林土壤对酸雨缓冲能力的探讨.生态学报,1988,8(3):226~232

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