| 冀北山地不同海拔华北落叶松人工林枯落物和土壤水文效应 |
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| 引用本文： | 陈波,孟成生,赵耀新,杨新兵,赵心苗,张丽峰.冀北山地不同海拔华北落叶松人工林枯落物和土壤水文效应[J].水土保持学报,2012,26(3):216-221. |
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| 作者姓名： | 陈波 孟成生 赵耀新 杨新兵 赵心苗 张丽峰 |
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| 作者单位： | 1. 河北农业大学,河北省林木种质资源与森林保护重点实验室,河北保定071000
2. 河北省邯郸市林业局,河北邯郸,056002 |
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| 基金项目： | 林业公益性行业科研专项“冀北山区典型森林生态系统健康经营技术研究与示范”(200804022F) |
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| 摘 要： | 对冀北山地4个海拔梯度的华北落叶松(Larix principis-rupprechtii)人工林枯落物层及土壤层水文效应进行研究。结果表明:枯落物总蓄积量、最大持水量、有效拦蓄能力均随海拔升高而增大,枯落物总储量在8.19～39.49t/hm2之间,最大持水量在17.76～74.12t/hm2之间,有效拦蓄能力在14.56～54.60t/hm2之间。枯落物持水量与浸泡时间呈明显对数关系,枯落物吸水速率与浸泡时间呈明显幂函数关系。土壤容重随海拔升高而减小,变化范围为0.89～1.13g/cm3,总孔隙度随海拔升高先增大而后减小,土壤层有效持水量随海拔升高先减小而后增大,土壤入渗速率与入渗时间呈明显幂函数关系。
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| 关 键 词： | 冀北山地 华北落叶松 海拔 枯落物 土壤水文效应 |
Hydrological Effects of Forest Litters and Soil of Larix principis-rupprechtii Plantations in the Different Altitudes of North Mountain of Hebei |
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| CHEN Bo,MENG Cheng-sheng,ZHAO Yao-xin,YANG Xin-bing,ZHAO Xin-miao,ZHANG Li-feng.Hydrological Effects of Forest Litters and Soil of Larix principis-rupprechtii Plantations in the Different Altitudes of North Mountain of Hebei[J].Journal of Soil and Water Conservation,2012,26(3):216-221. |
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| Authors: | CHEN Bo MENG Cheng-sheng ZHAO Yao-xin YANG Xin-bing ZHAO Xin-miao ZHANG Li-feng |
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| Institution: | 1(1.Agricultural University of Hebei,Key Laboratory of Genetic Resources of Forest and Forest Protection of Hebei,Baoding,Hebei 071000;2.Handan Forestry Administration of Hebei,Handan,Hebei 056002) |
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| Abstract: | A preliminary study of hydrological effects of litters layer and soil layer of Larix principis-rupprechtii was carried out in the four different altitudes of north mountain of Hebei province.The results showed: The litter total storage capacity,the maximum water holding capacity and modified interception capacity are increased with the increase of altitude,the litter total storage capacity was about 8.19~39.49 t/hm2,the maximum water holding capacity was about 17.76~74.12 t/hm2,the modified interception capacity was about 14.56~54.60 t/hm2.Forest litters had visible logarithmic relationship,absorption rate and immersion time was power function relationship.The soil bulk density decreased with increasing elevation,the average of soil bulk density ranged from 0.89 g/cm3 to 1.13 g/cm3,with the altitudes increase,the total soil porosity increased then decreased,the soil water-holding capacity decreased then increased,infiltration rate and infiltration fit time was power function. |
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| Keywords: | north mountain of Hebei Larix principis-rupprechtii altitudes litters hydrological of soil effect |
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