Sand-Fixing Effects of Caragana microphylla Shrub in Keerqin Sandy Lan

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Sand-Fixing Effects of Caragana microphylla Shrub in Keerqin Sandy Lan

更新时间：2024-11-07

- Sand-Fixing Effects of Caragana microphylla Shrub in Keerqin Sandy Lan
- Issue 1, Pages: 84-87(2007)
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- Published：2007
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Sand-Fixing Effects of Caragana microphylla Shrub in Keerqin Sandy Lan[J]. 2007, (1): 84-87.
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Sand-Fixing Effects of Caragana microphylla Shrub in Keerqin Sandy Lan[J]. 2007, (1): 84-87. DOI：

摘要

对流动沙丘上栽植的6年和11年生小叶锦鸡儿灌木林防风固沙效应进行了测定与分析

研究结果表明：（1）在小叶锦鸡儿灌木林内各个高度风速和输沙量均显著低于流动沙丘

防风固沙效果明显。（2）小气候得到改善

小叶锦鸡儿林内空气温度低于流动沙丘

相对湿度则高于流动沙丘

土壤浅层温度变幅明显小于流动沙丘

有利于植物生长。（3）随着植被生长发育年限的增加

土壤理化性质均得到不同程度改善。土壤中微沙（0.05-0.1mm）和粘粒（〈0.05 mm）含量增加

表层土壤容重减小

孔隙度增大

土壤持水能力提高;土壤中有机碳、全氮、速效氮及速效钾含量逐年增加

土壤肥力有所提高。

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CAO Cheng-you1,JIANG De-ming2,TENG Xiao-hui1,CUI Zhen-bo1(1.College of Sciences,Northeastern University,Shenyang,Liaoning 110004,2.Institute of Applied Ecology,Chinese Academy of Sciences,Liaoning 110016)

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