沈阳城市绿地有害生物风险分析体系的构建及应用

以多指标综合评价体系为基础,结合沈阳市绿地生态系统的特点及有害生物的危害过程,确立了评估指标及相关的计算方法,构建了沈阳市绿地有害生物风险分析体系。利用该体系对光肩星天牛(Anoplopho-ra glabripennis)进行了风险分析。结果表明:光肩星天牛的风险值为1.5,是对沈阳市绿地具有中度危险的有害生物。结合沈阳市光肩星天牛的实际发生情况证明该体系是评估沈阳市绿地有害生物风险的一种有效方法。

Establishment and Application of Pest Risk Analysis of Urban Green Space in Shenyang

Based on the system of multiple index comprehensive evaluation,combining characteristics of the urban green space ecosystem in Shenyang and hazard process of the pest,the system of pest risk analysis to urban greening ecosystem in Shenyang was established and a new model for analyzing the risk level of the pest was set up.The risk of Anoplophora glabripennis was evaluated by the system.The result showed that Anoplophora glabripennis was a moderate devastating pest for Shenyang in terms of its risk value(R=1.5).According to the actual occurrence of Anoplophora glabripennis in Shenyang,it proved that the system was a kind of effective method to evaluate the pest.