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| 基于GIS的四川省中东部生态风险评价 | |
| 引用本文： | 殷宇,张斌,邓青春,刘祖涵. 基于GIS的四川省中东部生态风险评价[J]. 四川林勘设计, 2011, 0(3) |
| 作者姓名： | 殷宇 张斌 邓青春 刘祖涵 |
| 作者单位： | 西华师范大学国土资源学院; |
| 摘 要： | 随着自然灾害的增加,生态风险评价的重要性凸显。本文以四川省东部为例,以人口、土地类型、气候、植被等数据为基础,构建了生态系统脆弱性指数,利用地理信息系统空间分析方法对四川省中东部的生态脆弱性状况进行分析,从而评价该区域的生态风险。旨在揭示人类活动对生态环境的影响程度,从而为区域生态保护决策提供可靠的依据。结果表明:研究区域生态风险的空间分布表现出明显的区域差异,成都和区域的中心城市所在地区生态风险指数较高,遂宁和内江西部地区生态风险指数较低,而其他地区的生态风险指数处于过渡区域。 |
| 关 键 词： | 生态风险 生态系统脆弱性指数 生态环境 空间分析 |
Evaluation of Ecological Risk in the Eastern part of Sichuan Province Based on GIS |
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| Yin Yu,Zhang Bin,Deng Qing-chun,Liu Zu-han. Evaluation of Ecological Risk in the Eastern part of Sichuan Province Based on GIS[J]. Sichuan Forestry Exploration and Design, 2011, 0(3) | |
| Authors: | Yin Yu Zhang Bin Deng Qing-chun Liu Zu-han |
| Affiliation: | Yin Yu,Zhang Bin,Deng Qing-chun,Liu Zu-han(Land andResources College,China West Normal University,Nanchong 637009,China) |
| Abstract: | As the natural disasters,the importance of ecological risks assessment underline.In the eastern of Sichuan province,for example,in data based on population,soil type and climate,vegetation,and the establishment of the ecosystem fragibility index,using GIS spatial analysis in the eastern part of Sichuan Province,the state of ecological fragile analysis,and evaluation of the region's ecological risks.Human activities are designed to reveal the extent of the ecological environment for the regional ecological p... |
| Keywords: | Ecological risks Ecosystems fragibility index Ecological environment Spatial analysis |
| 本文献已被 CNKI 等数据库收录！ | |