首页> 美国政府科技报告 >Development of a Systemwide Predator Control Program: Stepwise Implementation of211 a Predation Index, Predator Control Fisheries, and Evaluation Plan in the 211 Columbia River Basin; Section I. Implementation; 1997 Annual Report
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Development of a Systemwide Predator Control Program: Stepwise Implementation of211 a Predation Index, Predator Control Fisheries, and Evaluation Plan in the 211 Columbia River Basin; Section I. Implementation; 1997 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;第一节实施; 1997年年度报告

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Report on results from the sixth year of a basin-wide program to harvest northern211u001epikeminnow (Ptychocheilus oregonensis) in an effort to reduce mortality due to 211u001enorthern pikeminnow predation on juvenile salmonids during their emigration from 211u001enatal streams to the ocean.

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