Around the state, biologists are unsure of what led to the lowest pink salmon harvest since the 1970s in a season that led Gov. Bill Walker to seek a disaster declaration from the federal government to bail out beleaguered pink fishermen. “We caught 39 million pinks this year,” said Forrest Bowers, the Commercial Fisheries Division director for the Alaska Department of Fish and Game. The department forecasted a harvest of 90 million fish between. Bowers said he had to comb records back to 1977 to find a year that bad.