[1]李阳芳,宋维峰,和俊,等.元阳梯田核心区不同土地利用类型土壤水文效应研究[J].水土保持研究,2012,19(06):54-57.
　LI Yang-fang,SONG Wei-feng,HE Jun,et al.A Study on the Soil Hydrological Effect on Different Land Use Types of Terraced Core Area in Yuanyang[J].Research of Soil and Water Conservation,2012,19(06):54-57.
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元阳梯田核心区不同土地利用类型土壤水文效应研究

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 19 期数: 2012年06期 页码: 54-57 栏目: 出版日期: 2012-12-20
Title:
A Study on the Soil Hydrological Effect on Different Land Use Types of Terraced Core Area in Yuanyang
作者:
李阳芳1, 宋维峰1, 和俊2, 彭永刚3, 董建新4
1. 西南林业大学 环境科学与工程学院, 昆明 650224;
2. 云南省水利厅, 昆明 650021;
3. 云南红河州水利局, 云南 蒙自 661000;
4. 云南大学 商旅学院, 昆明 650091
Author(s):
LI Yang-fang1, SONG Wei-feng1, HE Jun2, PENG Yong-gang3, DONG Jian-xin4
1. College of Environmental Science and Engineering, Southwest Forestry University, Kunming 650224, China;
2. Department of Water Resources of Yunnan Province, Kunming 650021, China;
3. Honghe Prefecture Water Conservancy Bureau of Yunnan Province, Mengzi, Yunnan 661000, China;
4. Department of Business School, Yunnan University, Kunming 650091, China
关键词:
元阳; 梯田; 土壤; 水文效应
Keywords:
Yuanyang; terraced fields; soil; hydrological effect
分类号:
S152.7
摘要:
为了揭示元阳梯田区森林土壤涵养水源的机理,采用双环法和环刀法等,对元阳梯田核心区有林地、灌木林地、荒草地和坡耕地的持水性能及孔隙情况等进行了研究.结果表明:土壤的质地和有机质对土壤的持水量有重要影响;有机质对土壤持水能力产生直接影响,有机质含量越多,土壤的持水能力越强;质地对土壤的持水能力产生间接影响:灌木林地土壤的持水量最大,深度0-20cm的灌木林地土壤的总持水量为1404.8t/hm2;土壤的初期含水量对土壤的初渗速率有较大影响,4种土地利用类型中以荒草地的初渗速率为最大.由结果可知,元阳梯田区森林具有持水能力强、入渗特性好的特点,充分发挥了森林调节水文的功能.
Abstract:
In order to reveal the mechanism of the water conservation in forest soil of the terraced fields in Yuanyang, double ring method and ring technique of using knife was used to study the holding water performance and the pore situation about the woodland, shrub, waste grassland and slope farmland on terrace core area in Yuanyang. The results showed that soil texture and organic matter had important effects on soil water retention, soil texture had an indirect effect on the soil water-holding capacity, the organic matter directly affected the soil water-holding capacity, the more the organic matter content was, the stronger the soil water-holding capacity was. Shrub soil had the largest soil water retention, total holding water in the depth of 0-20cm in shrubs soil was up to 1404.8t/hm2; the initial water content of soil had a great effect on initial permeability rate of soil, the waste grassland had the largest initial permeability rate in four land use types. Based on the results, the terraced fields in yuanyang, forest has a strong water-holding capacity and a good infiltration characteristics, and can play the role in hydrological functions of the forest.

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备注/Memo

收稿日期:2012-4-25;改回日期:2012-6-25。
基金项目:国家自然科学基金项目"哈尼梯田水源区森林涵养功能与梯田保水保土机理研究"(31070631)
作者简介:李阳芳(1986- ),女,云南昭通人,硕士研究生,主要从事土壤侵蚀方面的研究.E-mail:ztliyangfang@126.com
通讯作者:宋维峰(1967- ),男,甘肃省会宁县人,博士,教授,主要从事生态环境工程和森林水文教学和研究工作.E-mail:songwf85@126.com

更新日期/Last Update: 1900-01-01