| 高寒地区人工植被恢复对风沙土区土壤理化性状的影响 |
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| 作者姓名： | 齐雁冰 常庆瑞 魏 欣 张 静 |
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| 作者单位： | 西北农林科技大学资源环境学院 陕西杨凌712100
(齐雁冰，常庆瑞，魏欣)，西北农林科技大学资源环境学院 陕西杨凌712100(张静) |
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| 基金项目： | 国家自然科学基金“农牧交错带土地荒漠化形成机制与监测技术研究”（30170790）教育部科技重点项目“农牧交错带土地荒漠化评价及其预警系统研究”（03157）. |
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| 摘 要： | 通过对青海省沙珠玉治沙站人工植被恢复不同土壤发育阶段土壤理化性状的研究,结果表明,人工植被恢复对荒漠化土壤具有很好的改善作用,随着流动沙丘被固定,机械组成中砂粒逐渐降低,粘粒和粉粒逐渐含量逐渐提高,土壤有机质和养分含量及CEC逐渐提高,土壤pH值变化不大,碳酸钙只是在表层升高。已经发生荒漠化的地区恢复到正常土壤需要的时间相当长,因此人们应减少人为因素对荒漠化的影响。
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| 关 键 词： | 人工植被恢复 风沙土 土壤效应 |
Effect of Artificial Vegetation Restoration on Sanditificational
Soil Characteristics in High Frigid Regions of China |
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| Authors: | Qi Yanbing Chang Qingrui Wei Xin Zhang Jing |
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| Institution: | (College of Resource and Environment, Northwest Sci-Tech University of Agriculture and Forestry, Yangling Shaanxi 712100) |
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| Abstract: | In this study, soil physical and chemical characteristics in different develop stage after artificial vegetation restoration have been researched in Shazhuyu desert control site. The result showed that, artificial vegetation restoration have better impact to sandificational soil. With the sand dunes have been fixed, the content of sands reduced gradually, but silt and clay rose; soil organic matter, nutrient and CEC gradually rose; soil pH value had no larger change; calcium carbonate content only rose on top layer. It need a long time for sandificational land evolve into natural soil, so people should deduce artificial influence to sandificational land. |
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| Keywords: | Artificial vegetation restoration Sandificational land Soil characteristics |
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