WNAG Yan-hong,SONG Wei-feng,LI Cai-jin.Study on Soil Water Infiltration in Different Types of Bamboo Areas[J].Research of Soil and Water Conservation,2009,16(02):165-168.
不同竹林地土壤水分入渗研究
- Title:
- Study on Soil Water Infiltration in Different Types of Bamboo Areas
- Keywords:
- Bamboo; soil; water; infiltration
- 分类号:
- S152.7
- 摘要:
- 通过对深圳茜坑水库水源保护区内4个主要竹林植被类型竹林试验小区土壤入渗性能的研究,揭示了不同竹林类型对土壤渗透性的影响.研究结果表明:不同竹林地土壤的初渗速率从小到大依次为毛竹试验区(1.42mm/min)、勃氏甜龙竹试验区(11.79mm/min)、麻竹试验区(12.22mm/min)和红竹试验区(18.04mm/min).稳渗速率由小到大依次为毛竹试验区(0.14mm/min)、勃氏甜龙竹试验区(1.78mm/min)、麻竹试验区(2.54mm/min)和红竹试验区(3.92mm/min).毛竹林的土壤初渗率、稳渗率和平均入渗率均较低.土壤入渗性能与土壤孔隙度、土壤容重、土壤质地、土壤结构、土壤初始含水率、地表枯落物的厚度有关.相对于红竹林、麻竹林和勃氏甜龙竹林,毛竹林的土壤入渗率较低,不适宜作为水源涵养林的选择竹种.
- Abstract:
- This paper researched soil infiltration of main bamboo types in Xikeng Reservoir water conservation region of Shenzhen.The soil infiltration was different through researched soil infiltration of 4 kinds of bamboo area.The variation of soil initial infiltration rate of different bamboo canopy from the smallest to the largest was Phyllostachys pubescens area(1.42 mm/min),Dendrocalamus brandisii area(11.79 mm/min),latifloeus area(12.22 mm/min),Phyllostachys iridescens area(18.04 mm/min).The soil stable infiltration rate from the smallest to the largest was Phyllostachys pubescens area(0.14 mm/min),Dendrocalamus brandisii area(1.78 mm/min),latifloeus area(2.54 mm/min),Phyllostachys iridescens area(3.29 mm/min).The soil initial infiltration rate,stable infiltration rate and mean infiltration rate was low of Phyllostachys pubescens.The soil infiltration was impacted by soil porosity,soil capacity,soil texture,soil structure,soil initial moisture content and litter.Compared with latifloeus,Dendrocalamus brandisii and Phyllostachys iridescens,Phyllostachys pubescens soil infiltration rates was low,and not as the choice of water conservation forest of bamboo.
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备注/Memo
收稿日期:2008-7-9;改回日期:。
基金项目:云南省教育厅基金项目(07C10649)
作者简介:王艳红(1982- )女,云南安宁人,硕士生,主要研究方向:森林水文.E-mail:wangyanhong20@126.com
通讯作者:宋维峰(1967- ),男,甘肃会宁人,博士,副教授,主要研究方向:生态环境工程,森林水文.E-mail:songwf85@126.com