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Effectiveness of Liberalized Bag Limits as Management Tools for Altering NorthernPike Population Size Structure

机译：自由化限制袋作为改变北方人口规模结构的管理工具的有效性

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Management efforts to restructure populations of northern pike Esox luciusconsisting of small (less than 60 cm total length), abundant individuals in small (less than 200 hectares) Minnesota lakes has focused on removal by trap-netting and promoting angler harvest through liberalized bag limits. Removal by intensive trap-netting was demonstrated to be effective in altering northern pike population size structure, and anglers harvested substantially fewer fish than were removed by trap-netting. Unless more anglers begin harvesting more small northern pike population size structure in small Minnesota lakes.

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作者
Goeman, T. J.; Spencer, P. D.; Pierce, R. B.;
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年度 1993
页码 p.1-6
总页数 6
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Fish populations; Minnesota; Lakes; Freshwater fish; Reprints;

机译：鱼类种群;明尼苏达州;湖泊;淡水鱼类;重印;

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Effectiveness of Liberalized Bag Limits as Management Tools for Altering NorthernPike Population Size Structure

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