| 西藏曲松县生态环境现状评价 |
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| 引用本文： | 李苏楠,何兴东,史培军.西藏曲松县生态环境现状评价[J].干旱区资源与环境,2005,19(5):108-113. |
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| 作者姓名： | 李苏楠 何兴东 史培军 |
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| 作者单位： | 1. 北京师范大学资源学院,教育部环境演变与自然灾害重点实验室,北京,100875
2. 南开大学生命科学学院,天津,300071 |
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| 基金项目： | 教育部跨世纪优秀人才培养计划和国家自然科学基金（40301025）资助. |
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| 摘 要： | 对西藏自治区曲松县生态环境现状进行了评价。结果表明,区内生态环境既有有利的方面,如水热同期、光温配合好,降水相对较多,生态系统复杂多样等;也有不利方面,表现在土壤多具有原始性和幼年性特征,气候灾害和山地灾害类型多,发生频繁,植被退化严重,群落物种的多样性小,群落稳定性差,生态系统脆弱等方面。全区可划分为3个生态小区,各生态小区具有不同的适宜性和限制性。
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| 关 键 词： | 曲松 生态环境 现状评价 |
| 文章编号： | 1003-7578（2005）05-108-06 |
| 收稿时间： | 2004-05-06 |
| 修稿时间： | 2004年5月6日 |
Eco-environmental Appraisement in Qusum County, Tibet |
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| LI Sun-nan,HE Xing-dong,SHI Pei-jun.Eco-environmental Appraisement in Qusum County, Tibet[J].Journal of Arid Land Resources and Environment,2005,19(5):108-113. |
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| Authors: | LI Sun-nan HE Xing-dong SHI Pei-jun |
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| Abstract: | Eco- environment in Qusum County, Tibet Autonomous Region is appraised in the research. There are favorable and unfavorable factors. The former includes water and its cooperation with heat, and diversiform eco- system. Aboriginal and infant characteristics of soils, frequent climatic and mountain hazards, serious vegetation degradation, and weak ecosystem form an unfavorable eco-envi-ronment. The region can be devised into three eco -- environmental districts, each of them has different congeniality and limitation for agricultural development. |
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| Keywords: | Qusum eco-environment appraisement |
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