Finnish Game and Fisheries Research Institute, Laasalantie 9, FI-58175 Enonkoski, Finland.
Comp Biochem Physiol A Mol Integr Physiol. 2010 Jun;156(2):278-84. doi: 10.1016/j.cbpa.2010.02.014. Epub 2010 Feb 24.
Temporal consistency of relative standard metabolic rate (rSMR) of individual Atlantic salmon Salmo salar juveniles in three stocks was investigated. The stocks differed in their geographical origin and natal habitat (fresh water, brackish water, seawater). Oxygen consumption measurements of hatchery-reared fish hatched in February 2005 were conducted three times: in early spring 2006, in autumn 2006, and in late spring 2007. The results partly disagreed and partly agreed with earlier studies, in which temporal consistency of SMR in juvenile salmonids have been addressed. In the first period from early spring to autumn, no correlation between rSMR statuses of individuals was found whereas in the second period from autumn to late spring, fish were mainly observed to maintain their relative SMR level indicating a significant repeatability of individual rSMR status over the latter period. Furthermore, a relationship between rSMR status and life history strategy was found: post-smolts and smolts had higher SMR than non-smolts.
研究了三个种群中大西洋鲑（Salmo salar）幼鱼个体相对标准代谢率（rSMR）的时间一致性。这些种群在地理起源和出生地（淡水、半咸水、海水）上存在差异。对 2005 年 2 月孵化的养殖鱼进行了三次耗氧量测量：2006 年早春、2006 年秋季和 2007 年晚春。结果与之前研究中关于幼鲑鱼 SMR 时间一致性的研究部分一致，部分不一致。在从早春到秋季的第一个时期，个体之间的 rSMR 状态没有相关性，而在从秋季到晚春的第二个时期，主要观察到鱼类维持其相对 SMR 水平，这表明个体 rSMR 状态在后期具有显著的可重复性。此外，还发现 rSMR 状态与生活史策略之间存在关系：过夏型和洄游型幼鱼的 SMR 高于非洄游型幼鱼。
