Armstrong, J.D., Millidine, K.J. and Metcalfe, N.B. (2011) Ecological consequences of variation in standard metabolism and dominance among salmon parr. Ecology of Freshwater Fish, 20(3), pp. 371-376. (doi: 10.1111/j.1600-0633.2011.00486.x)
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Publisher's URL: http://dx.doi.org/10.1111/j.1600-0633.2011.00486.x
Abstract
Standard metabolic rate (SMR, closely related to basal and resting metabolism) varies by up to threefold among juvenile Atlantic salmon, Salmo salar L., of similar size at common temperature. Here, consequences of this variation are predicted by combining empirically derived relationships between SMR, specific dynamic action, energy budgets, water velocity, food level in the environment and food availability to fish. The range of velocities across which growth is predicted to occur is inversely related to a fish's SMR. Growth is positively related to SMR at high but negatively related to it at low-food levels. The relationship between food level and the range of velocities over which lower SMR fish can grow but higher SMR fish cannot is asymmetrically bi-phasic and peaked. It is predicted that maternal manipulation of offspring SMR would generate fitness benefits through bet-hedging against unpredictability in food level and increases in the overall range of velocities that the family of offspring can occupy and thrive in
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Millidine, Mrs Karen and Metcalfe, Professor Neil |
| Authors: | Armstrong, J.D., Millidine, K.J., and Metcalfe, N.B. |
| Subjects: | Q Science > QL Zoology |
| College/School: | College of Medical Veterinary and Life Sciences > School of Biodiversity, One Health & Veterinary Medicine |
| Journal Name: | Ecology of Freshwater Fish |
| Publisher: | John Wiley & Sons |
| ISSN: | 0906-6691 |
| ISSN (Online): | 1600-0633 |
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