[1]范春梅,廖超英*,李培玉,等.放牧对黄土高原丘陵沟壑区林草地土壤理化性状的影响[J].西北林学院学报,2006,21(02):1.
　FAN Chunmei,LIAO Chaoying*,LI Peiyu,et al.Effects of Grazing on Soil Physical and Chemical Properties of Grassland and Forest Floor in Hilly and Gully Regions on the Loess Plateau[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2006,21(02):1.
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放牧对黄土高原丘陵沟壑区林草地土壤理化性状的影响()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第21卷
期数:
2006年02期
页码:
1
栏目:
林业生态建设
出版日期:
2006-04-30

文章信息/Info

Title:
Effects of Grazing on Soil Physical and Chemical Properties of Grassland and Forest Floor in Hilly and Gully Regions on the Loess Plateau
作者:
范春梅1; 廖超英1*; 李培玉2; 孙长忠3; 许喜明4
1.西北农林科技大学 资源环境学院，陕西 杨陵 712100;2.云南省曲靖市水利电力勘测设计研究院，云南 曲靖 655000；3.中国林科院 华北林业实验中心,北京 102300;4.西北农林科技大学 林学院, 陕西 杨陵 712100
Author(s):
FAN Chunmei1; LIAO Chaoying1*; LI Peiyu2; SUN Changzhong3; XU Ximing4
1.College of Resources and Environment, Northwest A & F University, Yangling, Shaanxi 712100,China;2.Qujing Design Institute of Water Conservancy and Electric Power, Qujing, Yunnan 655000,China; 3.Experimental Center of Forestry in North China, CAF, Be
关键词:
放牧林草地; 土壤理化性状; 黄土高原; 丘陵沟壑区
Keywords:
grazing land;  soil physical and chemical property;  the Loess Plateau;  hilly and gully regions
分类号:
S714.2
文献标志码:
A
摘要:
在黄土高原丘陵沟壑区山西偏关县通过放牧试验,研究了草地和柠条林地在不同放牧强度、不同放牧畜种条件下表层土（010 cm）的物理和化学性质。结果表明，放牧强度直接影响着草地和柠条林地土壤的物理结构。随放牧强度的增加，牲畜对土壤的践踏加剧，导致土壤紧实度增加，容重上升，含水量下降。草地和柠条林地土壤的有机C、全N和全P含量都随放牧强度的增加而减少，而速效K含量则都表现为中度放牧>重度放牧>轻度放牧；从畜牧羊种来看，绵羊相对于山羊来说对放牧地践踏较轻，其放牧地土壤容重较小，土壤含水量、有机C、全N、全P和速效K含量则较高。 第2期范春梅等放牧对黄土高原丘陵沟壑区林草地土壤理化性状的影响
Abstract:
The effects of different grazing intensity and different species of livestock on physical and chemical properties of surface (010 cm) soil of grazing grassland and Caragana korshinkii forest floor were studied at hilly and gully regions on the Loess PlateauPianguan, Shanxi Province. The results showed that grazing intensity directly influenced the soil physical structure of grazing grassland and C.korshinkii forest floor. The soil bulk density increased along with the increase of grazing intensity，while water content was decreased.The contents of organic matter, gross nitrogen and gross phosphorus in the soil of grazing grassland and grazing C. korshinkii forest floor all decreased with the increase of grazing intensity, while the contents of quick available potassium in the soil of grazing grassland and grazing C. korshinkii forest floor were medium grazed paddocks > heavy grazed paddocks > light grazed paddocks. Compared with goat selected as grazing livestock, sheep had less effect on trampling soil with smaller soil bulk density, and also water content and the contents of soil organic matter, gross nitrogen, gross phosphorus and quick available potassium of the grazing land under sheep were higher than those under goats.

参考文献/References:

［1］任海,彭少麟.恢复生态导论［M］.北京：科学出版社，2001.
［2］贾树海，崔学明，李绍良，等.牧压梯度上土壤理化性质的变化［A］.见：中国科学院内蒙古生态系统定位站编.草原生态系统研究（第5集）［C］.北京：科学出版社，1995.0][JY,2]

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备注/Memo

备注/Memo:
20050912修回日期：20051008基金项目：国家自然科学基金(40171016)作者简介：范春梅(1979),女，云南嵩明人，硕士，研究方向：水土保持与荒漠化防治。电话：02987082579*通讯作者：廖超英,教授，博士生导师，研究方向：水土保持与荒漠化防治。
更新日期/Last Update: 2010-05-04