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11-08-2010, 04:19 PM #1
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Sea growth of anadromous brown trout (Salmo trutta)
By J.J. de Leeuw, R. ter Hofstede, H.V. Winter
Journal of Sea Research, Volume 58, Issue 2, August 2007, Pages 163-165, ISSN 1385-1101, DOI: 10.1016/j.seares.2006.12.001.
Sea growth rates were studied in anadromous brown trout caught in Lake IJsselmeer, The Netherlands. Growth in the first year at sea was estimated at 26 cm from length-frequency distributions, and at 21 cm from back-calculated growth rates from scale readings. These estimates are considerably higher than sea growth rates observed in populations at higher latitudes (Norway, Sweden), but compare well with the limited information on sea growth rates estimated for anadromous trout in the River Rhine and rivers in Normandy (France).
Keywords: Sea trout; Length; Cohort; Latitude; Rhine; Lake IJsselmeer