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Growth of the Barents Sea capelin,Mallotus villosus, in relation to climate

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In order to investigate a possible relationship between temperature and fish length growth in the Barents Sea capelin stock, estimates of environmental temperature in the feeding season were compared to estimates of length growth during the same season. The mean temperature of the capelin feeding area was calculated by averaging the temperatures in September for the depth interval 10–200 m in statistical rectangles. The estimates of capelin growth were obtained for the same rectangles using backcalculation of length from otoliths. Correlation coefficients for the relationship between water temperature and growth were 0.70 and 0.53 for two- and three-year-olds, respectively, when all the material was considered, and between 0.85 and 0.91 for within-year data. In addition, a close correspondence between feeding area and growth rates was found.

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Authors and Affiliations

  1. Institute of Marine Research, P. O. Box 1870, Nordnes, 5024, Bergen, Norway

    Harald Gjøsæter & Harald Loeng

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  1. Harald Gjøsæter
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  2. Harald Loeng
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Gjøsæter, H., Loeng, H. Growth of the Barents Sea capelin,Mallotus villosus, in relation to climate. Environ Biol Fish 20, 293–300 (1987). https://doi.org/10.1007/BF00005300

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  • DOI: https://doi.org/10.1007/BF00005300

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