Data from: Furey, NB, SG Hinch, AL Bass, CT Middleton, V Minke-Martin, and AG Lotto. Predator swamping reduces predation risk during nocturnal migration of juvenile salmon in a high-mortality landscape. Journal of Animal Ecology

Juvenile sockeye salmon (Oncorhynchus nerka) were tracked with acoustic and PIT telemetry for 14 km of the Chilko River, British Columbia, Canada. This region was previously identifed as high-risk for migrant smolts. Smolts were released over a wide range of conspecific outmigration densities, allowing for testing of the "swamping hypothesis." Tagging metadata are given, including summarized detections for each fish. The hourly outmigration densities throughout the smolt migration are also given. Separate files are given for acoustic and PIT metadata (and corresponding detection summaries). This dataset accompanies the following peer-reviewed publication. Furey, NB, SG Hinch, AL Bass, CT Middleton, V Minke-Martin, and AG Lotto. Predator swamping reduces predation risk during nocturnal migration of juvenile salmon in a high-mortality landscape. Journal of Animal Ecology X(X):XX-XX. doi:

幼年红大马哈鱼（Oncorhynchus nerka）在加拿大不列颠哥伦比亚省奇尔科河14公里河段内，通过声学遥测（acoustic telemetry）与被动集成应答器（Passive Integrated Transponder, PIT）遥测技术开展追踪研究。该区域此前被认定为洄游幼鲑的高风险区域。研究人员在多种同种个体洄游密度条件下释放降海幼鲑，以此验证“捕食者淹没假说（swamping hypothesis）”。本数据集包含标记元数据，涵盖每条标记个体的检测汇总结果；同时提供降海幼鲑整个洄游周期内的逐小时洄游密度数据。声学标记与PIT标记的元数据（及对应检测汇总结果）分别存储于独立文件中。本数据集配套如下同行评议学术论文：Furey NB、Hinch SG、Bass AL、Middleton CT、Minke-Martin V、Lotto AG. 捕食者淹没可降低高死亡率生境中幼鲑夜间洄游期间的被捕食风险. 《动物生态学杂志》X(X):XX-XX. doi: