The association between body mass, metabolic rates and survival of bank voles
By Z. Boratyński, P. Koteja. 2009
101 citations recorded by the source corpus.
Summary 1Many studies have been performed in an attempt to explain physiological, ecological and evolutionary factors behind inter- and intraspecific variation in basal metabolic rate (BMR) and maximum aerobic metabolic rate (VO2max). However, very little is known about the association between the traits and fitness components in populations of free-living animals. 2We studied the association between body size and the metabolic rates of bank voles Myodes (= Clethrionomys) glareolus and their survival, measured by repeated trappings across 2 years in an isolated, island population. All measured traits (body mass, BM; head width, HW; VO2max and BMR) were significantly repeatable over short (mean 5·4 days) and long (mean 56·4 days) intervals. 3Logistic regression analyses showed no consistent relationship between the measured traits and survival until the next trapping session. The correlations, if present, differed in direction between sessions and sexes. Survival over winters was negatively correlated with BM in males (P = 0·001) but not in females (P = 0·43). The logistic regression with quadratic effects revealed stabilizing selection on VO2max in males (across all sessions: P = 0·010; in breeding seasons only: P = 0·001). 4Both the presence of stabilizing selection and the opposite direction of the selection between sexes and/or seasons could contribute to the relatively high additive genetic variance of metabolic rates, reported earlier in the bank voles. 5The results indicate that the maximum rather than the basal rate of metabolism is important to individual fitness of the voles. However, lack of consistency in the association between survival and the metabolic traits casts doubt on previous assumptions regarding the importance of the level of metabolism to an individual's fitness.
Subfields: Ecology, Ecology, Evolution, Behavior and Systematics
View Paper: https://www.semanticscholar.org/paper/3bd8b746faef4716dc1a941dfce2bbcbf5f9df13
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Citations in the corpus
- Sexual and natural selection on body mass and metabolic rates in free‐living bank voles (2010, methodology): “…traits (BM, HW, BMR and VO2max) were correlated with each other (Pearson’s r ranged from 0Æ39 to 0Æ76; P < 0Æ001; Table S4), but the correlation between BMRandVO2max was not significant after accounting for variation in BM (P > 0Æ1; see also Table 1 in Boratynski & Koteja 2009 for details).”
- Do rapid assays predict repeatability in labile (behavioural) traits (2012, background): “Studies often remove individuals directly from the field (Reale et al. 2000; Martin & Reale 2008; Boratynski & Koteja 2009), or from group housing in the laboratory (Ksiazek et al. 2004; Wilson et al. 2009), and then place them into a novel test apparatus to conduct short-term trait assays.”
- Associations between over-winter survival and resting metabolic rate in juvenile North American red squirrels (2010, unknown): “Currently, only four field studies have quantified the repeatability of RMR, three of which report significance (Bech, Langseth & Gabrielsen 1999; Sza- franska, Zub & Konarzewski 2007; Boratynski & Koteja 2009) and one that does not (Bozinovic 2007).”