| 沙苑生态环境变迁 |
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| 引用本文： | 张健,张俊辉.沙苑生态环境变迁[J].宝鸡文理学院学报(自然科学版),2008,28(3):250-253. |
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| 作者姓名： | 张健 张俊辉 |
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| 作者单位： | 安康学院,化学与生命科学系,陕西,安康,725000;陕西师范大学,西北历史环境与经济社会发展研究中心,陕西,西安,710062;宝鸡文理学院,地理科学与环境工程系,陕西,宝鸡,721007 |
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| 基金项目： | 安康学院校科研和教改项目 |
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| 摘 要： | 目的对关中东部黄河、渭河、洛河三角地带沙苑生态环境变迁做深入分析和研究，为治理和改善沙苑生态环境提供历史借鉴和科学依据。方法基于历史文献与野外实地考察进行分析。结果将沙苑生态环境变迁过程划分为4个主要阶段，对造成变迁的原因作了初步分析。结论形成初期主要受历史时期气候变迁的影响；之后的几个时期主要为人类不合理的开发，生态环境不断恶化；建国后，经过合理的改造，生态环境不断得到改善。
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| 关 键 词： | 沙苑 生态环境 变迁 |
The ecological environment changes of sandy area |
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| ZHANG Jian,ZHANG Jun-hui.The ecological environment changes of sandy area[J].Journal of Baoji College of Arts and Science(Natural Science Edition),2008,28(3):250-253. |
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| Authors: | ZHANG Jian ZHANG Jun-hui |
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| Institution: | 1.Dept.Chem.& Life Sci.;Ankang University;Ankang 725000;Shaanxi;China;2.Center for Historical Environment and Socio-Economic Development in Northwest China;Shaanxi Normal University;Xi'an 710062;3.Dept.Geog.Sci.& Envmt.Engn.;Baoji Univ.Arts & Sci.;Baoji 721007;China |
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| Abstract: | Aim The ecological environment changes of sandy area in triangular areas among Yellow river,Wei river and Luo river were analysed and studied,the historical experience and scientific basis of improve and harness ecological environment of sandy area were given.Methods The analysis based on the historical documents and fieldwork,fully utilizing the achievements in modern scientific research.Results The process of ecological environment changes of sandy area were set off four developing stages,the reason of ec... |
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| Keywords: | sandy area the ecological environment changes |
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