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1997年《国家入侵物种法》(P.L.101-636),《 1990年非土著水上滋扰控制与预防法案(NANCPA)的修正案。WRP是水生滋扰物种工作队的咨询小组委员会,是ANS的六个区域小组之一。WRP由来自19个西方国家,四个加拿大省,联邦机构,部落,私营企业和非政府组织的代表组成。WRP的目的是协调北美西部的ANS努力,以帮助限制ANS的引入,传播,影响。ANS的传播在北美引起了重大的经济和生态问题,引起了对西方水生生态系统和水输送系统的担忧。

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