Rearing conditions influence refuge use among over-wintering Atlantic salmon juveniles
At low population densities, both hatchery- and wild-reared Atlantic salmon Salmo salar, which were progeny of a common genetic stock, occupied sub-gravel shelters alone. However, at high population densities, hatchery-reared fish occurred within shelters in significantly higher numbers than wild-re...
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| Veröffentlicht in: | Journal of fish biology 2002-02, Vol.60 (2), p.363-369 |
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| container_title | Journal of fish biology |
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| creator | GRIFFITHS, S. W ARMSTRONG, J. D |
| description | At low population densities, both hatchery- and wild-reared Atlantic salmon Salmo salar, which were progeny of a common genetic stock, occupied sub-gravel shelters alone. However, at high population densities, hatchery-reared fish occurred within shelters in significantly higher numbers than wild-reared fish. There was a significant effect of time after introduction to the experimental arenas on the proportion of hatchery-reared fish sheltering. These results show that rearing environment influences the behaviour of Atlantic salmon parr during winter and may also affect the carrying capacity of their environment. Copyright 2002 The Fisheries Society of the British Isles |
| doi_str_mv | 10.1006/jfbi.2001.1846 |
| format | Article |
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| ispartof | Journal of fish biology, 2002-02, Vol.60 (2), p.363-369 |
| issn | 0022-1112 1095-8649 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_18378287 |
| source | Access via Wiley Online Library |
| subjects | Animal aquaculture Animal productions Biological and medical sciences Fundamental and applied biological sciences. Psychology Pisciculture Salmo salar Vertebrate aquaculture |
| title | Rearing conditions influence refuge use among over-wintering Atlantic salmon juveniles |
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