XIAO Fang,WANG Zhong-tao,GAO Yong,et al.Influence of Sandy Barriers Paving Patterns on the Salix psammophila Afforestation under the New Technology of Low Pressure Hydrodynamic Shock[J].Research of Soil and Water Conservation,2013,20(05):82-85.
新型低压水冲植柳技术下沙障铺设方式对沙柳造林效果的影响
- Title:
- Influence of Sandy Barriers Paving Patterns on the Salix psammophila Afforestation under the New Technology of Low Pressure Hydrodynamic Shock
- Keywords:
- Kubuqi desert; caravel sandy barrier; low vertical sandy barrier; Salix psammophila afforestation
- 分类号:
- S725.7
- 摘要:
- 为了提高流沙地的造林成活率，该文创新性在已经铺设好沙柳沙障流沙地的障格内采用一种新型低压水冲植柳技术进行沙柳造林。为研究沙柳沙障铺设方式对水冲植柳造林效果的影响，对库布齐沙漠流动沙丘和两种沙障（平铺式格状和低立式带状沙柳沙障）内水冲植柳的成活率、总枝数、株高、新枝枝长、新枝枝条直径和冠幅进行了比较分析。结果表明：3种造林立地条件下，水冲植柳的4项生长指标（株高、新枝枝长、新枝枝条直径和冠幅）差异显著，显著水平均小于0.01；疏透度较大的低立式沙障内水冲植柳长势最好，其次为流动沙丘，疏透度较小的平铺式沙障内水冲植柳长势最差。因此，在库布齐风沙区造林时最好设置带状沙障来提高造林成效。
- Abstract:
- In order to improve the afforestation survival, this paper creatively used new technology to plant Salix psammophila by low pressure hydrodynamic water in barrier cells which were already paved in sand dunes. In order to study the influence of sandy barriers on the afforestation effects of hydrodynamic shock. This paper analyzed the survival rate, total branch numbers, plant height, branch length, branch diameter and crown breadth between bare sand dune and two kinds of sandy barriers (caravel grating and low vertical banded Salix psammophila).The results showed that four growth indexes (plant height, branch length, branch diameter and crown breadth) of hydrodynamic shock all had significant differences under three kinds of afforestation sites (significant level is less than 0.01), hydrodynamic shock grew best in larger hydrophobic penetration and low vertical sandy barrier followed by bare sand dune, hydrodynamic shock grew worst in lower hydrophobic penetration and caravel grating sandy barrier. Therefore, we had better set banded sandy barriers to improve afforestation effect in Kubuqi desert.
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备注/Memo
收稿日期:2013-12-05;改回日期:2013-03-08。
基金项目:林业公益性行业科研专项（201104002-5）；国家重点基础研究发展计划资助（2009CB825103）
作者简介:肖芳(1988-),女,内蒙古锡林郭勒盟人,在读硕士,主要从事荒漠化防治研究。E-mail:xiaofang1230521@126.com
通讯作者:高永(1962-),男,内蒙古包头人,教授,博士生导师,主要从事荒漠化防治研究。E-mail:gaoyong@imau.edu.cn