Estimated annual Chinook Salmon escapement at Copper River from 1980 to 2016

The data available in this package are estimates of Chinook salmon spawning escapement at Copper River in Alaska, obtained from the following publication: 'Savereide, J. W., M. Tyers, and S. J. Fleischman. Run Reconstruction, Spawner-Recruit Analysis, and Escapement Goal Recommendation for Chinook Salmon in the Copper River. Alaska Department of Fish and Game, Fishery Manuscript Series No. 18-XX, Anchorage.' Contained are three data tables: (i) "Copper.Chinook.Harvest.etc.1977.to.2016.xlsx" is a spreadsheet that details estimated annual Chinook salmon totals during 1975-2016. This speadsheet is also available as in csv format, (ii) "escapement_copper-river_chinook_1975-2016_excel-sheet-1.csv". Annual escapement estimates are extracted from this table and written to (iii) "escapement_copper-river_chinook_1999-2016_standardized.csv" in a standardized format.

本数据包收录的数据为阿拉斯加州库珀河（Copper River）奇努克大麻哈鱼（Chinook salmon）的产卵逃逸种群（escapement）估算值，数据源自以下学术文献：Savereide, J. W., M. Tyers, 与 S. J. Fleischman. 《库珀河奇努克大麻哈鱼洄游重建、亲体-补充分析及产卵逃逸种群目标建议》. 阿拉斯加鱼类和游戏部, 渔业手稿系列第18-XX号, 安克雷奇. 数据包内含三张数据表：(i) "Copper.Chinook.Harvest.etc.1977.to.2016.xlsx"为详述1975-2016年年度奇努克大麻哈鱼总量估算值的电子表格，该文件同时提供CSV格式副本；(ii) "escapement_copper-river_chinook_1975-2016_excel-sheet-1.csv"，从该表格中提取年度产卵逃逸种群估算值，并以标准化格式写入(iii) "escapement_copper-river_chinook_1999-2016_standardized.csv"。