We use biochemical, biological, archaeological, and historical analysis to examine relationships between Atlantic cod migration, sea temperature, and shifts in the distribution and occupancy of historical fishing sites in Iceland during the last millennium. Results support the hypothesis that the cooling climate of the North Atlantic during the period commonly referred to as the Little Ice Age coincided with changes in Atlantic cod migration patterns. Historical analysis shows a concomitant increase in reports of worsening Atlantic cod fishing and a severe decrease in domestic fishing, particularly in north Iceland. We conclude that Atlantic cod fisheries in Iceland originally thrived because of the proximity to cod migration routes. However, despite the mobility of local fishers, fluctuations in fish migrations, coupled with a harsher climate and increased competition for fishing grounds, resulted in a stagnation that lasted until the eventual modernization of the fishery in the mid-nineteenth century.

我们使用生化、生物学、考古学和历史分析来检查大西洋鳕鱼迁徙、海水温度以及上个千年冰岛历史渔场分布和占有率变化之间的关系。结果支持这样的假设，即在通常被称为小冰河时期的时期北大西洋的冷却气候与大西洋鳕鱼迁徙模式的变化相吻合。历史分析显示，有关大西洋鳕鱼捕捞情况恶化的报道随之增加，而国内捕捞活动严重减少，尤其是在冰岛北部。我们得出结论，冰岛的大西洋鳕鱼渔业最初因为靠近鳕鱼洄游路线而蓬勃发展。然而，尽管当地渔民的流动性，鱼类洄游的波动，