| 青藏高原东南缘高寒区土地沙化现状及驱动因子分析 |
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| 引用本文： | 邓东周,杨执衡,陈洪,邹先锋,李华,桑尼,罗建勋.青藏高原东南缘高寒区土地沙化现状及驱动因子分析[J].西南林学院学报,2011(5):27-32. |
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| 作者姓名： | 邓东周 杨执衡 陈洪 邹先锋 李华 桑尼 罗建勋 |
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| 作者单位： | 四川省林业科学研究院;理塘县林业局; |
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| 基金项目： | 四川省林业科学研究院自列项目“川西北高寒沙地防沙治沙关键技术研究与示范”资助; 农业科技成果转化资金项目“若尔盖高寒沙地防沙治沙关键技术应用与示范”资助; 四川省级沙化治理试点项目(2007-2009)资助 |
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| 摘 要： | 生态环境是人类赖以生存和发展的基础，而近年青藏高原东南缘高寒区土地沙化面积急剧扩张，成为了国内外关注的重大环境问题。通过综合分析该地区的研究文献和监测统计资料，对其土地沙化现状及趋势加以概述，并对其驱动因子进行分析，结果发现：青藏高原东南缘高寒区的生态环境恶化、土地沙化是在自然因素作用的背景下，由近年来的气候变化和人类不合理的生产活动造成的，自然因素为该区域的土地沙化提供了基本条件，而人类活动是其诱导触发因素，起主导作用。
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| 关 键 词： | 青藏高原 沙化 成因 驱动因子 |
Analysis of Desertification Status and Driving Factors on the Frigid Southeastern Qinghai-Tibetan Plateau |
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| DENG Dong-zhou,YANG Zhi-heng,CHEN Hong,ZOU Xian-feng,LI Hua,SANG Ni,LUO Jian-xun.Analysis of Desertification Status and Driving Factors on the Frigid Southeastern Qinghai-Tibetan Plateau[J].Journal of Southwest Forestry College,2011(5):27-32. |
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| Authors: | DENG Dong-zhou YANG Zhi-heng CHEN Hong ZOU Xian-feng LI Hua SANG Ni LUO Jian-xun |
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| Institution: | DENG Dong-zhou1,YANG Zhi-heng2,CHEN Hong2,ZOU Xian-feng2,LI Hua2,SANG Ni2,LUO Jian-xun1 (1.Sichuan Academy of Forestry,Chengdu Sichuan 610081,China,2.Forestry Bureau of Litang County Litang Sichuan 627550,China) |
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| Abstract: | Ecological environment is the foundation for the survival and development of human beings.Desertification in the frigid southeastern area of Qinghai-Tibetan Plateau had expanded dramatically in recent years,and it has become a major environmental issue which was concerned all over the world.Based on previous studies and monitoring data collected from local area,the desertification status and the development tendency were summarized,and the driving factors were analyzed.The conclusion was that the degradatio... |
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| Keywords: | Qinghai-Tibetn Plateau desertification cause driving factors |
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