北京大学学报（自然科学版）2001，Vol.37Issue(1)：121-127,7.
黄河三角洲湿地区域生态风险评价
Regional Ecological Risk Assessment of Wetland in the Huanghe River Delta
摘要
Abstract
Through the case study of the wetland in the Huanghe River (Yellow River) delta,the concept of regional ecological risk assessment is inquired into,and a set of assessment method was developed.The main process of regional ecological risk assessment includes 5 stages:regional analysis,risk receptor selection,risk sources analysis,exposure and hazard analysis,and integrated risk assessment.Arming at flood,drought,storm tide,petroleum pollution accident and flow breaking in the lower Huanghe River,the probability and distribution of each kind of risk sources are evaluated.The authors bring forward indexes and formulas to measure hazarded degree and risk value of ecosystem.By using remote sensing data,historic record,survey data and by means of geographical information system (GIS),regional ecological risk assessment is finished.On the basis of assessment result,the environmental risk management countermeasure of the Huanghe River delta is advanced.关键词
区域生态风险评价/黄河三角洲/湿地分类
资源环境引用本文复制引用
许学工,林辉平,付在毅,布仁仓..黄河三角洲湿地区域生态风险评价[J].北京大学学报（自然科学版）,2001,37(1):121-127,7.基金项目
国家自然科学基金资助项目(49771005，49631040) （49771005，49631040）
