文献类型：期刊文献

中文题名：高寒沙区植被恢复过程中表层土壤因子的变化规律

英文题名：Regularity of Soil Factors in Surface Level in the Process of Vegetation Restoration in Sandy Lands of Qinghai Plateau

作者：刘君梅[1] 王学全[1] 刘丽颖[1] 杨德福[2]

第一作者：刘君梅

机构：[1]中国林业科学研究院荒漠化研究所;[2]青海省沙珠玉治沙站

年份：2011

卷号：39

期号：8

起止页码：47-49

中文期刊名：东北林业大学学报

外文期刊名：Journal of Northeast Forestry University

收录：CSTPCD;;北大核心:【北大核心2008】；CSCD:【CSCD2011_2012】；

基金：国家"十一五"林业科技支撑项目(2006BA26B10);中国林业科学研究院重点项目(ZD200907)

语种：中文

中文关键词：植被恢复;土壤因子;相关性

外文关键词：Vegetation restoration ; Soil factors ; Correlations

分类号：S151.9

摘要：对青海沙珠玉地区人工植被恢复过程中表层土壤因子性状的研究表明:人工植被恢复对干旱区土壤有很好的改良效果。随着流动沙丘被固定,土壤逐渐出现结皮层,颗粒组成中砂粒质量分数逐渐降低,粉粒质量分数增加,土壤有机质和全氮质量分数逐渐增加,pH值有降低的趋势。由线性回归分析可看出,表层土壤中有机质和全氮质量分数与砂粒质量分数呈显著负相关,而与粉粒质量分数呈显著正相关。干旱沙区的土壤要恢复到自然的水平需要相当长的时间,因此,对于荒漠化地区土壤保护是一个极为重要的问题。
A study was conducted to analyze the surface soil factors in different development stages after artificial vegetation restoration in Shazhuyu Desert Control Station in Qinghai. Result shows that artificial vegetation restoration has better impact on the soil in the arid areas. With the sand dunes being fixed, soil microbiotic crust appeared; soil sand content reduced gradually, but silt content increased; contents of organic matter and total nitrogen gradually increased; soil pH decreased. Organic matter content and total nitrogen content have a significant negative correlation with sand content, but have a significant positive correlation with silt content. It will take quite a long time to make sandy soil return to its natural level; therefore, soil conservation is a very important issue in desertification areas.