[1]王占军,蒋齐,潘占兵,等.宁夏毛乌素沙地不同密度柠条林对土壤结构及植物群落特征的影响[J].水土保持研究,2005,12(06):31-32,35.
　WANG Zhan-jun,JIANG Qi,PAN Zhan-bing,et al.Effect of Plantation Density of Caragana on Soil Properties and Plant Community Characteristics in Ningxia Maowusu Sandy Land[J].Research of Soil and Water Conservation,2005,12(06):31-32,35.
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宁夏毛乌素沙地不同密度柠条林对土壤结构及植物群落特征的影响

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 12 期数: 2005年06期 页码: 31-32,35 栏目: 出版日期: 1900-01-01
Title:
Effect of Plantation Density of Caragana on Soil Properties and Plant Community Characteristics in Ningxia Maowusu Sandy Land
作者:
王占军1, 蒋齐1, 潘占兵1, 王顺霞1, 张虎2
1. 宁夏农林科学院荒漠化治理研究所, 银川, 750002;
2. 甘肃农业大学草业学院, 兰州, 730070
Author(s):
WANG Zhan-jun1, JIANG Qi1, PAN Zhan-bing1, WANG Shun-xia1, ZHANG Hu2
1. Institute of Desert Control, Ningxia Agricultural and Forest Science Academy, Yinchuan, 750002, China;
2. Pratacultural Institute, Gansu Agriculture University, Lanzhou, 730070, China
关键词:
毛乌素沙地; 柠条; 土壤特性; 群落特征
Keywords:
Maowusu sands; caragana; soil properties; plant community
分类号:
S15.4;Q948.153
摘要:
通过对种植不同密度的柠条对退化草原恢复效应的研究,结果表明随着柠条带间距的增加,土壤的物理性质得到极大的改善,容重逐渐减小,土壤的毛管孔隙度、总孔隙度、透气性、排水能力、则呈增加的趋势,其中10m带距的增幅最大.植被恢复后柠条带间土壤水分呈现10m>7m>对照>4m的趋势.建立柠条林后随着植物种类的增加,个体重要值相对下降,各项生态指数不断升高.说明随着带间距的增加,群落结构在逐渐发生变化,使原来的荒漠化群落结构变得相对复杂并逐渐向稳定阶段发展.
Abstract:
Through the research of the effect of planting different density of caragana on degraded steppe recovery,the result showed that along with the increase of caragana strip span,the physical property of soil got maximum improvement,unit weight reduced gradually,permeability,total porosity and the woolen pipe porosity of soil,drain ability showed the tendency of increase,in which the strip distance of 10 m increased most.After vegetation was resumed,soil moisture between caragana strip presented a tendency of 10 m>7 m>CK>4 m.Establishment of caragana forest after along with the increase of plant kind,individual important value dropped relatively,every ecological index went up continuously.As the increase of strip span,the structure changed gradually and became relative complex and gradually steady.

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备注/Memo

收稿日期:2004-12-2。
基金项目:宁夏自然科学基金项目(01A1003);宁夏自治区“十五”重点生态型示范推广建设资助项目(2002-001-01)
作者简介:王占军(1978- ),男,宁夏平罗人,大学本科,研究实习员,主要从事退化草地植被恢复方面的研究.

更新日期/Last Update: 1900-01-01