Distribution of Alien Invasive Pest Species and Its Comprehensive Control in Yellow River Delta

Based on the survey and research from 2005 to 2009,75 kinds of exotic pest species were found in Yellow River Delta,which of two species belong to exotic invasive virus,six species of harmful fungi,six species of red tide phytoplankton,47 of species of noxious plants,and 14 species of noxious animal.The regional distribution of them are distinguished,the route of invading Yellow River Delta are analysed and their invasion mechanism were studied;the comprehensive control countermeasures of exotic invasive pest species in Yellow River Delta zone were proposed,including the management game,quarantine measure,controlling and clearance techniques and so on.