外来鱼类入侵风险评估体系及方法

Risk Assessment System and Method for Invasion of Alien Fishes

根据中国外来鱼类的入侵现状,分析了建立外来鱼类入侵风险评估体系的重要性、必要性和应用前景。在现状调查、文献分析和专家咨询的基础上,构建了一套包含5个一级指标、12个二级指标、44个三级指标的可定量化的外来鱼类入侵风险评估指标体系,确定了各指标权重,并举例说明了该评估体系的应用。

Based on the present status of invasion of alien fishes,the importance,necessity and applicability of a risk assessment system for invasion of alien fishes was addressed.On the basis of status surveys,literature review and expert consultation,a quantitative risk assessment system for invasion of alien fishes is designed,consisting of 5 first-grade indicators,12 second-grade indicators and 44 third-grade indicators,as well as weight of each indicator in this system.Examples were cited to explain how to use the system.