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****土地沙漠化研究现状及问题讨论

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[1]苏志珠,董光荣.****土地沙漠化研究现状及问题讨论[J].水土保持研究,2002,9(03):133-135,145.
 SU Zhizhu,DONG Guangrong.Discussion on the Present Situation of Land Desertification in China[J].,2002,9(03):133-135,145.

****土地沙漠化研究现状及问题讨论

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 9卷 期数: 2002年03期 页码: 133-135,145 栏目: 出版日期: 1900-01-01

Title: Discussion on the Present Situation of Land Desertification in China 作者: 苏志珠1,2, 董光荣2 1. 山西大学黄土高原研究所, 山西太原03000;
2. ****科学院寒区旱区环境与工程研究所风沙物理与沙漠环境实验室, 甘肃兰州730000
Author(s): SU Zhizhu1,2, DONG Guangrong2 1. Institute of Loess Plateau in Shanxi University, Taiyuan 030006, Shanxi Province, China;
2. Cold and Arid Regions Environmental and Engineering Research Institute, the Chinese Academy of Sciences, Lanzhou 730000, Gansu Province, China
关键词: 沙漠化; 土地退化; 环境变化过程; 类似沙漠景观 Keywords: desertification; land degradation; process of environmental change; desert-like landscape 分类号: X144 摘要: 沙漠化是沙质荒漠化的简称,对其概念的认识和理解不仅是沙漠化研究的主要内容,也是制定有效防沙治沙措施的科学依据。对我国目前流行的几种沙漠化概念作了介绍、评述和综合分析,为使其概念表达简洁,避免一些不必要的争论和便于推广使用,建议应把沙漠化定义中的时间、地点和成因等限定条件全部去掉,认为沙漠化是指“原非沙漠地区出现以风沙活动为主要标志的类似沙漠景观的环境变化以及原系沙漠地区环境条件的强化与扩张过程”。并对土地沙漠化等级类型划分的指标体系、空间分布特点和面积做了讨论。 Abstract: Land desertification is one of the most serious global ecological environment problems nowadays, it limits the social and economic development.To understand accurately the concept of desertification is the premise and foundation to control land desertification.The authors present and review the different points of desertification concept, and analyse the indicators of the degree of desertification, think that desertification is environmental formation or development of sand desert with the appearance of desert-like landscape on ground surface in "unoriginal sand desert areas", and means the extension and intensification process of sand desert conditions.At last, the authors suggested that theoretical research of desertification, such as the concept, types, cause and distribution of land desertification, is future reinforced.

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