摘要
通过对朝阳市1999年、2004年两次荒漠化普查结果以及相关历史资料的综合分析,对朝阳市土地荒漠化现状及治理成效作出定性的评价;对土地荒漠化的动态变化做出定量的分析;分析社会和自然因素对土地沙漠化进程的影响。结果表明:朝阳市荒漠化土地有逐年减少的趋势;但总体上,现处于治理与恶化相持阶段。
Through comprehensive analysis of regarding historical materials and general survey results of land desertification in the year of 1999 and 2004, the present situation and control effect of land desertification in Chaoyang City were evaluated qualitatively,and the dynamics of land desertification were analyzed quantitatively;The influences of social and natural factors on the process of land desertification were analyzed. The results show that land desertification in Chaoyang City decreases year by year.
出处
《防护林科技》
2007年第B05期6-9,共4页
Protection Forest Science and Technology
关键词
荒漠化
动态变化
防治措施
朝阳市
desertification
dynamics change
control measures
Chaoyang City
