Proposed Thermal Marks for Brood Year 2008 Salmon in Alaska

In Alaska, mass-marking of salmon using otolith thermal marking is an effective research and management tool applicable to a variety of situations. For brood year 2008, approximately 55 million sockeye, 639 million pink salmon, 572 million chum, 6 million coho, and 8 million Chinook salmon will be marked at 21 different hatcheries using 71 thermal marks.