[1]王彦武,廖超英*,徐 恒.毛乌素沙地固沙林土壤物理性状研究[J].西北林学院学报,2008,23(03):36-39.
 WAN G Yanwu,LI AO Chaoyi ng,XU Heng.Soil Physical Properties of Sand—fixing Forests in Maowusu Sandland[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2008,23(03):36-39.
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毛乌素沙地固沙林土壤物理性状研究
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第23卷
期数:
2008年03期
页码:
36-39
栏目:
森林生物、生理、生态、植物、气象等
出版日期:
2008-05-30

文章信息/Info

Title:
Soil Physical Properties of Sand—fixing Forests in Maowusu Sandland
文章编号:
1001—7461(2008)03—0036—04
作者:
王彦武 廖超英* 徐 恒
西北农林科技大学资源环境学院,陕西杨陵712100
Author(s):
WAN G Yan—wu LI AO Chao—yi ng XU Heng
College of Resources and Environment ,Northwest A &FUniversity,Yangling,Shaanxi 712100,China
关键词:
毛乌素沙地固沙林土壤物理性状
Keywords:
Maowusu sandland sand—fixing forest soil physical properties
分类号:
S714.2
文献标志码:
A
摘要:
采用野外典型抽样调查和室内分析测定的方法,研究了毛乌素沙地几种不同固沙林对土壤物理性状的影响。结果表明:不同树种对土壤物理性质的改良作用存在明显差异,在0~5c m 土层,花棒林对土壤含水量影响最大,20a 生樟子松林对土壤容重、孔隙度影响最大;在5~20c m 土层,沙棘林对土壤含水量影响最大,花棒林对土壤容重、孔隙度影响最大;同一固沙林地,0~5c m土层的土壤物理性状明显优于5~20c m 土层,且随林分年龄的增长,固沙林对林地土壤物理性状的影响愈显著。

Abstract:
Wit h t he met hod of representati ve fi eld sa mpli ng i nvesti gati on and laboratory analysi s ,t he st udy on t he effects of different sand—fi xi ng forests on s oil physi cal properti es i n Mao wus u sandland was carri ed out .The res ults s ho wed t hat t he i mprove ment effects of different tree s peci es on s oil physi cal properties were different .In 0~5c m s oils layer ,He dysaru m scopari u m forest had t he greatest i mpact on t he s oil moi st ure ,20years Pi nus s ylvestri s var .mongoli ca forest had t he greatest i mpact on t he s oil bulk density and s oil porosity ;In 5~20c m s oils layer ,Hi p pophae rha mnoi des forest exhi bited t he greatest i mpact on t he s oil moi st ure ,He dysaru mscopari u m forest had t he greatest i mpact on t he s oil bulk density and s oil porosity ;The s oil physi cal properti es of 0~5c m s oil layer were better t han t hose of 5~20c m s oil layer obvi ously i n s hrubbery .Wit h t he forest stand age ,t he effects of sand—fi xi ng forests on s oil physi cal properti es were re markable .

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备注/Memo

备注/Memo:
收稿日期:2007—10—25 修回日期:2007—12—24 基金项目:国家自然科学基金项目(40171061) 作者简介:王彦武(1982—),男,甘肃会宁人,硕士研究生,主要从事水土保持与荒漠化防治研究。*通讯作者:廖超英(1959—),男,教授,博士生导师,主要从事水土保持与荒漠化防治研究。E—mail :chaoying95@163.com。
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