西北师范大学学报（自然科学版）Issue(5)：92-98,7.
岷江冷杉原始林土壤物理性质的海拔梯度变化
Change of soil physical properties along elevation gradients in A bies f axoniana natural forest
摘要
Abstract
Based on the data collected from sample plots in a Abies f axoniana natural forest along altitude from 2 700 m to 3 600 m , soil density , relationship of soil physical properties in a Abies f axoniana natural forest and elevation gradients are studied . The results show that at the same altitude soil density significantly increases with increasing soil depth , soil density in each soil layer increases first and then decreases with elevation gredientsgradients with a less significant difference . Total porosity and capilary porosity unobviously decrease with increasing soil depth with elevation . Soil water content , capillary holding capacity , minimum water‐holding capacity , maximum water‐holding capacity significantly decrease with the depth of soil layer increased . An insignificant change of total porosity and capilary porosity at different altitudes result in an insignificant change of soil water content , capillary holding capacity , minimum water‐holding capacity , maximum water‐holding capacity , gravel content do not change regularly with soil layer and altitude .关键词
岷江冷杉/土壤物理性质/海拔梯度Key words
A bies f axoniana/soil physical properties/elevation gradient分类
资源环境引用本文复制引用
何方永,何飞,吴宗达,刘世荣,刘兴良,彭培好..岷江冷杉原始林土壤物理性质的海拔梯度变化[J].西北师范大学学报（自然科学版）,2015,(5):92-98,7.基金项目
“十二五”国家科技支撑计划资助项目 （）
