| 区域生态风险评价：以鄂尔多斯市为例 |
| |
| 引用本文： | 蒙吉军,周婷,刘洋. 区域生态风险评价：以鄂尔多斯市为例[J]. 北京大学学报(自然科学版), 2011, 0(5): 935-943 |
| |
| 作者姓名： | 蒙吉军 周婷 刘洋 |
| |
| 作者单位： | 北京大学城市与环境学院地表过程分析与模拟教育部重点实验室; |
| |
| 基金项目： | 国家自然科学基金(40871048); 国家科技支撑计划(2006BAD20B07)资助 |
| |
| 摘 要： | 建立了区域生态风险评价的概念模型,包括区域生态风险管理目标确定、风险源分析、风险度量方法、风险计算及风险管理几个步骤,构建了区域生态风险评价的指标体系。选择地处中国北方农牧交错带的鄂尔多斯市作为案例区,针对其主要的风险源干旱、洪涝、病虫鼠害、污染、大风、沙尘暴、沙漠化和水土流失,基于遥感资料、历史记录、调查数据和统计数...
|
| 关 键 词： | 区域生态风险 概念模型 评价 鄂尔多斯 |
Research on Regional Ecological Risk Assessment: A Case Study of Ordos in Inner Mongolia |
| |
| MENG Jijun,ZHOU Ting,LIU Yang College of Urban , Environmental Sciences,Peking University,Laboratory for Earth Surface Processes,Beijing. Research on Regional Ecological Risk Assessment: A Case Study of Ordos in Inner Mongolia[J]. Acta Scientiarum Naturalium Universitatis Pekinensis, 2011, 0(5): 935-943 |
| |
| Authors: | MENG Jijun ZHOU Ting LIU Yang College of Urban Environmental Sciences Peking University Laboratory for Earth Surface Processes Beijing |
| |
| Affiliation: | MENG Jijun,ZHOU Ting,LIU Yang College of Urban and Environmental Sciences,Peking University,Laboratory for Earth Surface Processes(MOE),Beijing 100871 |
| |
| Abstract: | A conceptual model of ecological risk assessment is built,which includes the following procedures: to determine the objectives of risk management,to analyze risk probability,to choose appropriate assessment methods,to characterize assessment results,and to make risk management.Ordos,the study area,is located in the farming-grazing transitional zone of northern China.On the basis of Landsat TM images,historical records,survey data and socio-economic statistical data,the authors make the regional ecological r... |
| |
| Keywords: | regional ecological risk conceptual model assessment Ordos |
| 本文献已被 CNKI 等数据库收录！ |
|
