The Selectivity of Different Fishing Gear used in Lofoten

ICES Journal of Marine Science (Impact Factor: 2.53). 10/1953; 19(2):191-194. DOI: 10.1093/icesjms/19.2.191
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    ABSTRACT: A comprehensive aging study of vermilion snapper, Rhomboplites aurorubens, was conducted, using 1,465 otoliths collected between 1991 and 1995 from the commercial and headboat fisheries from North Carolina through the Florida Keys. An additional 19 otoliths came from fishery-independent samples from the South Atlantic Bight for fish smaller than 254 mm total length (TL), which is the legal size limit. Marginal increment analysis revealed that rings on the otoliths were deposited annually. This observation is further substantiated by the increasing modal radius of each age ring corresponding to the increasing modal size of the fish at age. Observed ages ranged from age 1 (202 mm mean TL) to age 14 (535 mm TL). The largest fish was 600 mm TL and was estimated to be age 13. The weight–length relationship was described by the equation: W = 9.55 × 10(L), where W = whole weight in kilograms and L = total length in millimeters. The von Bertalanffy equation was estimated using the inverse, weighted, back-calculated lengths at the last annulus. The equation was Lt = 650 (1−e ), where t is age in years.
    Transactions of the American Fisheries Society 09/1998; 127(5):787-795. · 1.31 Impact Factor
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    ICES Journal of Marine Science 02/2001; 58(1):114-122. DOI:10.1006/jmsc.2000.0995 · 2.53 Impact Factor
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    ABSTRACT: Research vessel survey data from the northern Grand Bank and southern Scotian Shelf/Bay of Fundy were analysed for evidence of the occurrence of shoals of Atlantic cod (Gadus morhua) with unequal sex ratios during the spawning season. Cod were found to Form both male dominated and female dominated shoals during spawning. In both areas, female dominated shoals were found in significantly deeper waters. A higher proportion of both males and females were in spawning condition in the male dominated fishing sets and a higher proportion of females had completed spawning in the female dominated fishing sets. Males may arrive at the spawning area first, with females moving into the area when ready to spawn and then returning to deeper, warmer water once they have completed spawning. (C) 1996 International Council For the Exploration of the Sea
    ICES Journal of Marine Science 10/1996; 53(5):820-826. DOI:10.1006/jmsc.1996.0103 · 2.53 Impact Factor