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A test of a size-selective predation model with juvenile brook charr, Salvelinus fontinalis (1986)

Grant, J. W. A. ; Noakes, D. L. G.

Oxford, UK : Blackwell Publishing Ltd

Journal of fish biology 29 (1986), S. 0

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ISSN: 1095-8649

Quelle: Blackwell Publishing Journal Backfiles 1879-2005

Thema: Biologie

Notizen: The size distributions of invertebrates in drift samples and stomachs of juvenile brook charr, Salvelinus fontinalis, were compared to test Dunbrack & Dill's (1983) model which predicts the size composition of the diet of stream salmonids. Prey less than 0.4 mm wide were less common in the diet than in the drift, while prey greater than 0.6 mm wide were more common. The behavioural model of Dunbrack & Dill (1983) predicted the actual diet reasonably well, although there were significant differences between the predicted and observed diets in three of four cases.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1111/j.1095-8649.1986.tb04995.x

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