首页> 美国政府科技报告 >Development of a System wide Predator Control Program: Stepwise Implementation of211 a Predation Index, Predator Control Fisheries, and Evaluation Plan in the 211 Columbia River Basin; Section II: Evaluation; 1996 Annual Report
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Development of a System wide Predator Control Program: Stepwise Implementation of211 a Predation Index, Predator Control Fisheries, and Evaluation Plan in the 211 Columbia River Basin; Section II: Evaluation; 1996 Annual Report

机译:制定全系统捕食者控制计划:逐步实施211哥伦比亚河流域的捕食指数,捕食者控制渔业和评估计划;第二节:评估; 1996年年度报告

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Predator control fisheries aimed at reducing predation on juvenile salmonids by211u001enorthern squawfish (Ptychocheilus oregonensis) were implemented for the seventh 211u001econsecutive year in the mainstream Columbia and Snake rivers.

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