摘要
采用区域调查和定位试验方法,系统研究梅江区不同森林类型土壤物理性质及其对水源涵养功能的影响。结果表明,在4种林地中,表层土壤砂粒含量以马尾松林地为最高,天然常绿阔叶林地最低;黏粒含量大小为马尾松林地<人工桉树林地<灌木林地<天然常绿阔叶林地。表层土壤容重和比重马尾松林地为最大,灌木林地次之,天然常绿阔叶林地最小;孔隙度与自然含水量则为天然常绿阔叶林地>人工桉树林地>灌木林地>马尾松林地。在土层垂直方向上,阔叶林地的物理性质变化差异较大,针叶林相对较小。
Using the research methods of regional investigation and location test,the soil physical properties of different forest types in Meijiang District and their effects on water conservation function were systematically studied.The results showed that sand grain content in surface soil of Pinus massoniana forest land was highest among 4 kinds of forest lands and that of natural evergreen broad-leaved forest was lowest.The clay content in 4 kinds of forest lands were as follows： P.massoniana forest land 〈 artificial eucalypt forest land 〈 bush forest land 〈 natural evergreen broad-leaved forest land.The bulk density and specific gravity of surface soil in P.massoniana forest land was largest,followed by bush forest land,that of natural evergreen broad-leaved forest land was smallest.The porosity and natural water content in 4 kinds of forest lands were as follows： natural evergreen broad-leaved forest land 〉 artificial eucalypt forest land 〉 bush forest land 〉 P.massoniana forest land.In the vertical direction of soil layer,the change difference of the physical properties of broad-leaved forest land was greater and that of coniferous forest was relatively smaller.
出处
《安徽农业科学》
CAS
北大核心
2008年第31期13739-13740,13755,共3页
Journal of Anhui Agricultural Sciences
基金
梅州市2008年重点科技计划项目
关键词
森林土壤
物理性质
水土保持
梅江区
Forest soil
Physical properties
Soil and water conservation
Meijiang District
