[1]刘小林,郑子龙,蔺岩雄,等. 甘肃小陇山林区主要林分类型土壤水分物理性质研究[J].西北林学院学报,2013,28(01):7-11.[doi:10.3969/j.issn.1001-7461.2013.01.02]
　LIU Xiao-lin,ZHENG Zi-long,LIN Yan-xiong,et al. Physical Characteristics of the Soil Moisture in the Main Forest Types in Xiaolong Mountain[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2013,28(01):7-11.[doi:10.3969/j.issn.1001-7461.2013.01.02]
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 甘肃小陇山林区主要林分类型土壤水分物理性质研究()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第28卷
期数:
2013年01期
页码:
7-11
栏目:
出版日期:
2013-01-30

文章信息/Info

Title:
 Physical Characteristics of the Soil Moisture in the Main Forest Types in Xiaolong Mountain
文章编号:
1001-7461(2013)01-0007-05
作者:
 刘小林; 郑子龙; 蔺岩雄; 袁一超; 孟玉珂
 (1.甘肃省小陇山林业科学研究所，甘肃 天水 741022；2.甘肃小陇山森林生态系统定位研究站，甘肃 天水 741022 )
Author(s):
 LIU Xiao-lin; ZHENG Zi-long; LIN Yan-xiong; YUAN Yi-chao; MENG Yu-ke
 (1.Research Institute of Forest Science and Technology of Xiaolong Mountain,Tianshui,Gansu 741022,China; 2.Forest Ecosystem Locational Research Station in Xiaolong Mountain,Tianshui,Gansu 741022,China)
关键词:
 ; 小陇山林区;  土壤水分;  土壤孔隙度;  土壤贮水能力
Keywords:
 ; Xiaolong Mountain;  soil moisture;  soil porosity;  capacity of preserving water
分类号:
S714.2
DOI:
10.3969/j.issn.1001-7461.2013.01.02
文献标志码:
A
摘要:
 以小陇山林区4种主要林分类型土壤水分物理性质为研究对象，采用环刀法测定容重、孔隙度、贮水能力等指标进行对比研究。结果表明：4种主要林分类型土壤容重大小依次为阔叶混交林、日本落叶松林、针阔混交林、锐齿栎林，其均值为1.434、1.424、1.396、1.280 g·cm-3；孔隙度大小依次为锐齿栎林、针阔混交林、阔叶混交林、日本落叶松林；各林分类型土壤随着土层厚度增加，土壤含水量、田间持水量及饱和持水量都呈现递减趋势；各林分类型土壤贮水能力大小依次为针阔混交林、阔叶混交林、锐齿栎林、日本落叶松林，其中针阔混交林土壤贮水能力最强，为916.0 t·hm-2，日本落叶松林贮水能力最弱，为837.0 t·hm-2。
Abstract:
 Physical characteristics of the soil moisture in four main forest types of Xiaolong Mountain were investigated.The soil bulk density，soil porosity，and water storage capacity were comparatively studied by round knife method.The results showed that the soil bulk density of four forest stands was in the order of broadleaved forest＞Larix spp.＞Pinus tabuliformis＞Quercus aliena var.acuteserrata with the mean values of 1.434 g·cm-3,1.424 g·cm-3,1.396 g·cm-3 and 1.280 g·cm-3,respectively.The order of soil porosity was Q.aliena var.acuteserrata＞P.tabuliformis＞broadleaved forest＞Larix spp.With the increase of soil thickness,soil moisture content，saturated water content and field moisture capacity decreased progressively.The capacity of preserving water was in the order of P.tabuliformis＞Q.var．acuteserrata＞Larix spp.＞broadleaved forest.The capacity of preserving water of broadleaf forest was the weakest with the value of 837.0 t·hm-2．The capacity of preserving water of P.tabuliformis was the highest with the value of 916.0 t·hm-2．

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