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.