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Annual Report of the U.S. Atlantic Salmon Assessment Committee Report No 16-2003 Activities
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2004
[PDF-1.62 MB]
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Description:Total Atlantic salmon returns to USA rivers was 1,436 fish. This total represents the sum of documented returns to traps and estimated returns using redd counts on selected Maine rivers. Documented Atlantic salmon returns to USA rivers totaled 1,396 fish in 2003, 43.5% more than observed in 2002. Estimated Atlantic salmon returns to DPS (Distinct Population Segament) rivers, those with endangered populations, ranged from 61 to 86 fish. This estimate represents twice the number of fish that returned to the eight DPS rivers in 2002. However, the estimate is still the second lowest for the 1991-2003 time series. Most Atlantic salmon returned to Maine rivers where the Penobscot River accounted for 80.5% of the total return. Overall, 16% of the adult returns to the USA were 1SW salmon and 84% were MSW salmon. Most (89%) returns were of hatchery smolt origin, whereas, (11%) originated from either natural reproduction or hatchery fry. In total, 13,060,600 juvenile salmon (fry, parr, and smolts) and 4,671 mature adults were stocked in USA rivers. Eggs for hatchery programs were obtained from 461 sea-run and 3,157 captive/domestic females, and 87 female kelts. The number of females (3,705) contributing to egg production was less than in 2002 (3,734), and total egg take (19,564,000) was also less than that in 2002 (20,081,100). About 496,266 salmon carrying a variety of marks and/or tags were stocked in 2003. Production of farmed salmon in the USA, which occurs exclusively in Maine coastal waters, was 6,435 metric tonnes in 2003.
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Rights Information:Public Domain
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