1 IOTC-2007-WPTT-19 Catch Rate Standardization Runs for Yellowfin Tuna Caught by Taiwanese Deep Sea Longline Fishery in the Indian Ocean Using Generalized Linear Model and Generalized Linear Mixed Model

Yellowfin tuna is one of the most important target species for Taiwanese far seas tuna longline fishery operating in the Indian Ocean. The fishery commenced in the northern and eastern Indian Ocean in the mid 1950s. The catches of this fishery mainly consisted of yellowfin tuna during late 1960s to early 1970s, and then changed to albacore in mid 1970s, and to bigeye tuna since 1980s whe