Effect of sorting on size-frequency distributions and growth of Arctic charr, Salvelinus alpinus L.

作者: M. Jobling , T.G. Reinsnes

DOI: 10.1016/0044-8486(87)90355-3

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摘要: Abstract Arctic charr, Salvelinus alpinus , were reared in either unsorted groups or that had been sorted into ‘small’ and ‘large’ fish. At the start of experiment size-frequency distributions pooled fish similar, but after 5 months' rearing markedly different. There was evidence growth improved absence larger conspecifics, size-sorting also led to reduced some large fish, with consequence did not lead overall increases biomass gain rates production.

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