地理研究 ›› 1991, Vol. 10 ›› Issue (1): 39-47.doi: 10.11821/yj1991010004

• 论文 • 上一篇    下一篇

我国九个农业经济自然区土壤背景值图的编制

李廷芳1, 吴焕中2, 李玉浸3   

  1. 1. 北京师范学院地理系;
    2. 南京环境科学研究所;
    3. 农牧渔业部环境保护研究所
  • 收稿日期:1988-04-10 出版日期:1991-03-15 发布日期:1991-03-15

MAPPING OF SOIL BACKGROUND CONTENT MAP IN AGRICULTURAL REGIONS OF CHINA

Li Tingfang1, Wu Huanzhong2, Li Yujing3   

  1. 1. Beijing Teacher's College;
    2. Enuironmental Sciences Research Institute of Nanjing;
    3. Environment protection Research Institute, Ministry of Agriculture, Amimal Husbandry and Fishery
  • Received:1988-04-10 Online:1991-03-15 Published:1991-03-15

摘要: 总结了我国九个省区主要经济自然区土壤污染元素背景值图编制中取得的一些主要经验与成果。

关键词: 土壤背景值, 制图单元

Abstract: The determination of drafting unit, the diuision of grades of drawing in background maps and some other problems in the statistic map of the division of grades of background contents in nine natural areas of econmics of China have been discussed and saummed up in the paper. The determinative principle of drafting units is based on the main and comprehensive factors which affect regional distribution of elements contents in soils; significant test ia used to divide grades of background contents.

Key words: Soil background content map, Statistic map of the division of grades, Drabting unit.