Evaluations on Construction of Artificial Caragana intermedia toImproved Effects of Degenerated Sand Lan

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Evaluations on Construction of Artificial Caragana intermedia toImproved Effects of Degenerated Sand Lan

更新时间：2024-11-07

- Evaluations on Construction of Artificial Caragana intermedia toImproved Effects of Degenerated Sand Lan
- Issue 4, Pages: 23-27(2006)
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- Published：2006
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Evaluations on Construction of Artificial Caragana intermedia toImproved Effects of Degenerated Sand Lan[J]. 2006, (4): 23-27.
DOI：

Evaluations on Construction of Artificial Caragana intermedia toImproved Effects of Degenerated Sand Lan[J]. 2006, (4): 23-27. DOI：

摘要

在干旱风沙区．以营造林的方式开展防沙治沙是目前进行生态建设和防治土地退化的主要技术措施。为此选用显示土地退化与否的标志性指标——土壤结构、水分、养分、植被等作为评价指标．研究在干旱风沙区退化沙地营造人工柠条林后上述指标的变化．结果表明：在宁夏盐池干旱风沙区，营造适宜密度的人工柠条林（1665丛／hm^2、2490丛／hm^2），可增大植被盖度，全面改善退化沙地的土壤理化性质、土壤水分状况及植被群落的稳定性。

Abstract

At present

in the arid wind-desert region

by the means of constructing forestation

developing to defend and control the sands is the main technical measures by which we can carry on the ecological construction and the preventing and controlling land degeneration.Therefore

through selecting the symbol target of soil structure

the moisture content

the nutrient

the vegetation as the appraisal targets

which showed land degenerated or not

we studied these indexes changes after constructing the artificial Caragana intermedia in the degeneration sand of arid wind-desert region.The results showed: in the arid wind-desert region of Yanchi

Ningxia

constructing suitable density artificial Caragana intermedia(1 665 clump /hectare

2 490 clump /hectare) could increase the vegetation fraction

comprehensively improve the soil physical and chemical property

the soil moisture condition as well as the stability of the vegetation community in the degenerated sand.

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Evaluations on Construction of Artificial Caragana intermedia toImproved Effects of Degenerated Sand Land

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Related Author

JIANG Qi

LI Sheng-bao

PAN Zhan-bing

WANG Zhan-jun

CAO Shun-ai

WU Ci-fang

YU Wan-jun

WEI Jianmei

Related Institution

College of Earth and Environment Sciences, Lanzhou University

Key Laboratory of Western Chinas Environmental Systems, Ministry of Education, Lanzhou University

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