文献类型：期刊文献

中文题名：晋南不同密度油松人工林土壤水分的物理特性

英文题名：Soil Hydro-physical Properties in Pinus tabuliformis Plantations with Different Stand Densities in Southern Shanxi

作者：杜满义[1] 封焕英[2] 裴顺祥[2] 张连金[2] 法蕾[2] 郭嘉[2] 辛学兵[1]

第一作者：杜满义

机构：[1]中国林业科学研究院华北林业实验中心、北京九龙山暖温带森林国家长期科研基地,北京102300;[2]中国林业科学研究院华北林业实验中心,北京102300

年份：2021

卷号：49

期号：9

起止页码：72-76

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2020】；CSCD:【CSCD_E2021_2022】；

基金：国家重点研发计划项目(2016YFD060020304)。

语种：中文

中文关键词：油松;林分密度;土壤密度;土壤孔隙度;土壤持水特性

外文关键词：Pinus tabuliformis;Stand density;Soil bulk density;Soil porosity;Water holding capacity

分类号：S750

摘要：为应对人工林生态系统的经营问题,探究林分密度对森林土壤的影响,以晋南油松人工纯林为研究对象,采用典型抽样法,探讨3种林分密度(500、1250、2475株·hm^(-2))对土壤水分物理特性的影响。结果表明:(1)不同林分密度对土壤密度和土壤孔隙度影响不同,高密度油松人工林显著降低土壤密度,增加土壤总空隙度和非毛管孔隙。(2)不同林分密度对土壤持水特性的影响程度不同,高密度油松人工林显著增加土壤最大持水量和田间持水量。(3)不同林分密度对表层土壤密度、孔隙度和持水特性的影响更为强烈,林分密度对0To cope with the management problem of plantation forest and explore the responses of soil physical properties to varied stand densities,we used a typical sampling method to study the effects of three different stand densities(500,1250 and 2475 trees·hm^(-2))on soil hydro-physical properties in P.tabuliformis pure forests in South Shanxi.Different stand densities could influence soil bulk density and soil porosity,with the lower bulk density as well as higher total soil porosity and non-capillary porosity in the higher-density plantation.Moreover,different stand densities could regulate soil water retention capacity,with the high-density plantation having the higher maximum water-holding capacity and field capacity.In addition,different stand densities could exert more effects on the physical properties of topsoil(0