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 ani- mal. The regional distribution of them are distinguished, the route of invading Yellow River Delta are an- alysed 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, quaran- tine measure, controlling and clearance techniques and so on.%根据2005-2009年的调查与研究，黄河三角洲地区共发现外来入侵有害生物75种，其中，外来入侵有害病毒2种、有害真菌6种、赤潮浮游植物6种、有害植物47种、有害动物14种．查清了外来入侵有害生物的地理分布，分析了其入侵黄河三角洲途径，研究了其入侵机制，提出了黄河三角洲地区外来入侵有害生物的防治对策．
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