Research on Physical Properties of Soil Moisture and Water Conservation of Scotch Pine Forest in Da Xing'an Mountains

LI Yi; MAN Xiu-ling; CAI Ti-jiu; SHENG Hou-cai

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Research on Physical Properties of Soil Moisture and Water Conservation of Scotch Pine Forest in Da Xing'an Mountains

更新时间：2024-11-07

- Research on Physical Properties of Soil Moisture and Water Conservation of Scotch Pine Forest in Da Xing'an Mountains
- Vol. 25, Issue 2, (2011)
- 作者机构：
  
  东北林业大学林学院,哈尔滨,150040
- 作者简介：
- 基金信息：
- DOI：
  CLC： S152.7S727.21
- Published：2011
- 稿件说明：
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LI Yi, MAN Xiu-ling, CAI Ti-jiu, et al. Research on Physical Properties of Soil Moisture and Water Conservation of Scotch Pine Forest in Da Xing'an Mountains[J]. 2011, 25(2).
DOI：

LI Yi, MAN Xiu-ling, CAI Ti-jiu, et al. Research on Physical Properties of Soil Moisture and Water Conservation of Scotch Pine Forest in Da Xing'an Mountains[J]. 2011, 25(2). DOI：

摘要

对大兴安岭山地樟子松天然林土壤水分物理性质及水源涵养能力进行研究

结果表明

0-20 cm土层土壤含水量、土壤毛管孔隙度、总孔隙度、枯落物蓄积量和蓄水量均表现为:坡下>坡中>坡上

土壤含水量变化范围为278.71~377.98 g/kg

平均值为327.67 g/kg;整个坡面土壤毛管孔隙和总孔隙度平均值分别为29.08%和53.15%;枯落物蓄积量和最大蓄水量分别为16.72

53.24 t/hm2。0-20 cm土层土壤容重随坡位降低有减小趋势

其平均值为0.84 g/cm3。土壤非毛管孔隙、土壤毛管蓄水量、有效蓄水量、最大蓄水量均表现为:坡下>坡上>坡中。整个坡面平均毛管蓄水量、有效蓄水量和最大蓄水量分别为625.90

499.05

1 130.29 t/hm2。樟子松天然林林地蓄水能力也表现为:坡下>坡上>坡中

坡下为1 358.51 t/hm2

坡上为1 102.09 t/hm2

坡中为1 058.85 t/hm2

平均蓄水量为1 183.54 t/hm2。由此可见

山地樟子松天然林蓄水能力受坡度和坡位影响较大。

Abstract

Physical properties of soil moisture and water conservation of scotch pine forest was studied in Da Xing'an Mountains.The results showed that

soil moisture

soil capillary porosity

total porosity

the amount of litter accumulation and water storage of 0-20 cm soil layer were as follows: lower slope>middle slope>upslope

soil moisture ranged from 278.71 g/kg to 377.98 g/kg

with an average of 327.67 g/kg;the average of soil capillary porosity and total porosity for the whole slope were 29.08% and 53.15% respecti...

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