四川林业科技2011，Vol.32Issue(5)：29-34,39,7.
岷江上游山地森林／干旱河谷交错带几种植被类型土壤含水量研究
Soil Water Contents of Different Vegetation Types in the Ecotone between Dry-hot Valleys and Mountain Forest in the Upper Reaches of the Minjiang River
摘要
Abstract
The soil water content is an important mark of the soil quality. It affects not only the physicochemical properties hut also distribution and absorption of mineral nutrients of plant, and at the same time it has the influence on the change of soil heat flux. The drying method and cutting-ring method were used to determine the physical properties of soil, and emphasis was to know the change of 0 - 40cm soil water content under different vegetation types in this area. Through determining soil water content in April, July, September and November, the results showed that the soil water content reached maximum value in September under the same vegetation types except the shrub land, and displayed positive correlation with the rainy season of this area, under the shrub land it continued to increase from April to November in 2007. In the same month,the status of soil water content under different vegetation types was： secondary forest 〉 Populus mixed with Salix 〉 shrub land 〉 needle-broad leaved mixed forest 〉 black locust forest 〉 steep waste land 〉 fiat waste land 〉 Cupressus chengiana forest, but in September and November, the soil water content under the shrub land was more than that under the other vegetation types.关键词
交错带/植被类型/土壤容重/土壤孔隙度/土壤含水量Key words
Ecotone/Vegetation types/Soil bulk density/Soil porosity/Soil water contents分类
农业科技引用本文复制引用
胡天钧,周义贵,冯毅,宋鹏..岷江上游山地森林／干旱河谷交错带几种植被类型土壤含水量研究[J].四川林业科技,2011,32(5):29-34,39,7.基金项目
基金项目：乡土板栗良种选育2006YZGG-10. （）
