| 三江源区东北部生态环境现状及防治策略 |
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| 引用本文： | 王启基,王发刚,周华坤,张玉. 三江源区东北部生态环境现状及防治策略[J]. 草业科学, 2010, 27(2): 59-65. DOI: 10.3969/j.issn.1001-0629.2010.02.012 |
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| 作者姓名： | 王启基 王发刚 周华坤 张玉 |
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| 作者单位： | 中国科学院西北高原生物研究所,青海,西宁,810001;青海省职业技术学院,青海,湟源,810260;青海省草原总站,青海,西宁,810001 |
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| 基金项目： | “十五”国家科技攻关计划重大项目(2004BA606A-02);;青海三江源自然保护区生态保护和建设总体规划科研课题及应用推广项目(2005-SN-2) |
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| 摘 要： | 通过实地调查、座谈、交流和对牧民的访问,以及对三江源区东北部4县生态环境现状、草地退化原因分析,认为该区草地已呈现全面退化的态势。长期超载过牧是导致三江源区草地退化的主要驱动力,害鼠的孳生蔓延、冻溶、水蚀、风蚀等条件是促进草地退化的辅助因素。人类活动和全球气候变暖的共同作用加速了草地退化的进程。在分析此现状的基础上提出了三江源东北部4县生态保护和可持续发展的策略和建议。
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| 关 键 词： | 三江源区 生态环境 退化草地 防治策略 |
The status of eco-environment of northeast regions of Yangtze, Yellow and Yalu Tsangpo rivers and protecting strategies |
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| WANG Qi-ji,WANG Fa-gang,ZHOU Hua-kun,ZHANG Yu. The status of eco-environment of northeast regions of Yangtze, Yellow and Yalu Tsangpo rivers and protecting strategies[J]. Pratacultural Science, 2010, 27(2): 59-65. DOI: 10.3969/j.issn.1001-0629.2010.02.012 |
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| Authors: | WANG Qi-ji WANG Fa-gang ZHOU Hua-kun ZHANG Yu |
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| Affiliation: | 1.Northwest Plateau Institute of Biology;Chinese Academy of Sciences;Qinghai Xining 810001;China;2.Qinghai animal veterinarian occupation college;Qinghai Huangyuan 812100;3.Qinghai Provincial Grasslands Station;QingHai Xining 810008;Chana |
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| Abstract: | A conclusion for the status of eco-environment of Yangtze,Yellow and Yalu Tsangpo rivers source region was obtained after studying by field investigation and interview to local herdsmen.Nowadays,the grassland has degraded entirely.The main reason is overgrazing for long-terms,followed by rats,freezing and thawing,and erosions by water and wind.Besides,human activities and global warming promote the speed of degradation.Strategies and some advices were proposed for protecting ecological system and sustainabl... |
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| Keywords: | the source region of Yangtze Yellow and Yalu Tsangpo rivers eco-environment degraded grassland protecting strategy |
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