Eco-environment and Stabilizing Shifting Dunes by Vegetation in Central Taklimakan Sand Sea

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Eco-environment and Stabilizing Shifting Dunes by Vegetation in Central Taklimakan Sand Sea

更新时间：2024-11-07

- Eco-environment and Stabilizing Shifting Dunes by Vegetation in Central Taklimakan Sand Sea
- Issue 4, Pages: 139-143(2005)
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- Published：2005
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Eco-environment and Stabilizing Shifting Dunes by Vegetation in Central Taklimakan Sand Sea[J]. 2005, (4): 139-143.
DOI：

Eco-environment and Stabilizing Shifting Dunes by Vegetation in Central Taklimakan Sand Sea[J]. 2005, (4): 139-143. DOI：

摘要

在塔克拉玛干沙漠腹地特殊的生态条件下

通过植物固沙试验

对植物固沙中重要环节的植物种选择、配置、造林密度和造林季节以及合理灌溉问题进行了研究

并对不同灌溉条件下沙地盐分积累状况

以及对植物生长发育的影响进行了比较深入的研究。指出用矿化度>7.41g/L的咸水灌溉

对耐盐性较弱的固沙灌木的生长发育有限制作用。用矿化度<4.13g/L的咸水灌溉

在沟灌条件下对一般固沙灌木生长发育在短期内没有不利影响。而在滴灌条件下

林地盐分积累有逐年增加的趋势

这对固沙灌木的生长发育有一定的影响

可以用定期淋洗的方法来降低盐分的积累。

Abstract

Reported here are the results with respect to some key problems in stabilizing the shifting dunes by vegetation in the central Taklimakan: plant selection

combination

density planting season and rational irrigation. Salt accumulation and it effects on plant growth in response to different irrigation management are also compared.It is revealed that salt water with degree of mineralization over 7.416 g/L limits the growth of some less salt-resistant plants. Ditch irrigation using salt water with degree of mineralization less than 4.13 g/L has no negative effects on shrub growth in short period. While under drip irrigtion

the salt accumulation limits shrub growth to some extent. Bleaching can reduce salt accumulation.

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Eco-environment and Stabilizing Shifting Dunes by Vegetation in Central Taklimakan Sand Sea

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赵存玉陈广庭王涛

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