土壤2025，Vol.57Issue(4)：903-910,8.DOI:10.13758/j.cnki.tr.2025.04.022
浙江安吉三种典型林分类型下土壤入渗特征及其影响因素
Soil Infiltration Characteristics and Influential Factors Under Three Typical Forest Stand Types in Anji County of Zhejiang Province
摘要
Abstract
In this study,the infiltration capacities under three typical forest stand types(moso-bamboo forest,moso-bamboo-fir mixed forest,and fir Forest)in Anji County of Zhejiang Province were measured using a table-top double-ring infiltrometer,and the influence of soil properties and root characteristics on soil infiltration rate was analyzed.The results showed that,1)the initial(947.7-1 220.5 mm/h),the 1st stage(612.6-751.6 mm/h),the 2nd stage(479.0-591.3 mm/h),the 3rd stage(352.9-433.4 mm/h),the stabilized(272.0-369.0 mm/h),and the average(373.1-498.2 mm/h)infiltration rates increased with intensified degree of bamboo invasion.Except for the initial infiltration rate,the others generally reflected the following pattern:severe invasion(moso-bamboo forest)>moderate invasion(moso-bamboo-fir mixed forest)>no invasion(fir forest).2)Initial,1st stage and average infiltration rates were mainly influenced by clay contents in 0-10 cm layer,fine root biomass(<2 mm)and soil bulk density in 10-20 cm layer;2nd stage,3rd stage and stable infiltration rates were mainly influenced by non-capillary tube porosity,fine root biomass(<2 mm)in 0-10 cm layer and fine root long density in 10-20 cm layer.3)Fine root biomass(<2 mm)and root length density may indirectly affect soil infiltration rate by influencing soil non-capillary porosity,bulk density and clay content.4)The Kostiakov model was the best model to describe soil infiltration process in three typical forest stand types.关键词
林分类型/土壤入渗/根系特征/土壤性质/毛竹Key words
Forest stand types/Soil infiltration/Root characteristics/Soil properties/Moso bamboo分类
农业科技引用本文复制引用
郭峰,杨思思,张林,邱朝伟,魏侃俐,郭衍瑞,赵天衡,范长江,齐实..浙江安吉三种典型林分类型下土壤入渗特征及其影响因素[J].土壤,2025,57(4):903-910,8.基金项目
国家自然科学基金项目(32271964)资助. （32271964）
