The proposed Joint Working Group will collaborate on deriving habitat models relating albacore tuna distributions to oceanographic conditions. Albacore tuna is the most temperate highly migratory species and much of its range overlaps the PICES domain. In addition, the stock is considered healthy and capable of supporting current exploitation thus environmentally-driven distribution and productivity changes should be more easily discernible from signals related to direct human impacts (fishing). The proposed Joint Working Group will also investigate mechanisms regulating albacore productivity by relating large-scale climate indices that describe North Pacific Ocean states to albacore tuna recruitment indices and demographic parameters.
Session and Workshop Summaries
W4, Methods relating oceanographic conditions to the distribution of highly migratory species