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.本数据包涵盖的数据为阿拉斯加铜河奇努克鲑（Chinook salmon）的产卵逃逸种群数量估计值，数据源自以下学术出版物：Savereide, J. W.、M. Tyers与S. J. Fleischman所著《铜河奇努克鲑的洄游种群重建、亲体-补充群体分析及逃逸种群目标推荐》，载于阿拉斯加州鱼类与狩猎部《渔业手稿系列》第18-XX号，安克雷奇。本数据包包含三张数据表：1. "Copper.Chinook.Harvest.etc.1977.to.2016.xlsx"：该电子表格详细记录了1975年至2016年间的年度奇努克鲑鱼种群总量估计值，该文件同时提供逗号分隔值（CSV）格式副本；2. "escapement_copper-river_chinook_1975-2016_excel-sheet-1.csv"：该CSV文件存储了原始的年度逃逸种群估计值表格；3. 研究人员从上述第二张数据表中提取年度逃逸种群估计值，并以标准化格式将整理后的数据写入第三张数据表"escapement_copper-river_chinook_1999-2016_standardized.csv"中。