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| 黑河干流肃南山地森林生态系统的景观格局变化研究 | |
| 引用本文： | 刘普幸,孙婧,陈发虎,赵志峰,张慧娥.黑河干流肃南山地森林生态系统的景观格局变化研究[J].中国沙漠,2008,28(1):89-93. |
| 作者姓名： | 刘普幸 孙婧 陈发虎 赵志峰 张慧娥 |
| 作者单位： | 1. 西北师范大学地理与环境科学学院,甘肃,兰州,730070;兰州大学西部环境教育部重点实验室/中德干旱环境联合研究中心,甘肃,兰州,730000 2. 西安文理学院资源环境与旅游系,陕西,西安,710065 3. 兰州大学西部环境教育部重点实验室/中德干旱环境联合研究中心,甘肃,兰州,730000 4. 西北师范大学地理与环境科学学院,甘肃,兰州,730070 |
| 基金项目： | 科技部国际合作重点项目（2002CB714004）;博士点基金（20020730010）;教育部重点项目（05JJDZH234）;甘肃省自然地理重点学科项目共同资助 致谢：对杨国靖博士、赵成章博士及肃南林业局的同志在资料收集中给予的帮助,潘竞虎老师、姚晓军老师和党国锋老师在计算机方面的指导谨致谢忱! |
| 摘 要： | 肃南山地生态系统是黑河流域生存和发展的基础。以黑河干流肃南山地森林生态系统为研究对象,应用GIS手段,分析其动态变化与环境效应,认为肃南山地森林景观趋于破碎化、老龄化,森林生态系统退化严重,服务功能降低,逆向演化显著,进程加快。景观的稳定性变差,正由单一、均质和连续的整体逐渐向复杂、异质和不连续的斑块镶嵌体的过程转化。其原因是自然背景下的人类活动干扰所致。 |
| 关 键 词： | 黑河上游 肃南山地 森林生态系统 景观指数 变化 |
| 文章编号： | 1000-694X（2008）01-0089-05 |
| 收稿时间： | 2006-07-06 |
| 修稿时间： | 2006-12-12 |
Changes of Landscape Pattern in Forest Ecosystem in Sunan Mountainous Region at Upper Heihe Stem River |
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| LIU Pu-xing,SUN Jing,CHEN Fa-hu,ZHAO Zhi-feng,Zhang Hui-e.Changes of Landscape Pattern in Forest Ecosystem in Sunan Mountainous Region at Upper Heihe Stem River[J].Journal of Desert Research,2008,28(1):89-93. | |
| Authors: | LIU Pu-xing SUN Jing CHEN Fa-hu ZHAO Zhi-feng Zhang Hui-e |
| Institution: | 1.College of Geography and Environment Sciences, Northwest Normal University, Lanzhou 730070, China; 2.Key Laboratory of Western Chinas Environment System, Ministry of Education; Center for Arid Environment and Paleoclimate Research, Lanzhou University, Lanzhou 730000, China; 3.Department of Resource, Environment and Tourist, Xi'an University of Art and Science, Xi'an 710065, China |
| Abstract: | Forest ecosystem is a base for exist and development of Sunan mountainous region of Gansu at the upper Heihe River in arid northwest China. Taking the three districts in this region, Dahe district, Kangle district and Mati district, as study object, and using the GIS method we analyzed the succession and environ- mental effect of their forest ecosystems. The forest landscape in Sunan mountainous region tends toward fragmentation and the aged; the forest ecosystem tends toward serious degradation, reverse performance and serve function reducing; the landscape stability of forest ecosystem is turning to be worse, and to be complex, heterogeneous and un-continuous mosaic from single, homogeneous and continuous. The interference of the human activity under the nature background may have resulted in these changes. |
| Keywords: | the upper Heihe River Sunan mountainous region forest ecosystem landscape index succession |
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