Abstract:
:The pace-of-life syndrome describes covariation between life-history, behavioral and physiological traits; while, the emerging behavioral-bioenergetics theory proposes mechanistic links between those traits in a spatial-ecological context. However, little is known about the association between the limits to metabolic rate and spatial performance (i.e., mobility, home range size) in free-living individuals. Here we show, for the first time at the intra-specific level, that mobility traits increased with the aerobic exercise capacity ([Formula: see text]O2max) in a wild rodent, the bank vole (Myodes glareolus): [Formula: see text]O2max affected directly the movement intensity, which in turn affected home ranges. The results show that evolution of high [Formula: see text]O2max could be driven by selection for spatial performance traits, and corroborate one of the key assumptions of the behavioral-bioenergetics theory. However, the minimum maintenance metabolism, measured as the basal metabolic rate (BMR), was not correlated with movement intensity, and the direction of the BMR-home range correlation tended to change with age of the voles. The latter result indicates that testing the theory will be particularly challenging.
journal_name
Oecologiajournal_title
Oecologiaauthors
Boratyński Z,Szyrmer M,Koteja Pdoi
10.1007/s00442-020-04704-xsubject
Has Abstractpub_date
2020-07-01 00:00:00pages
547-556issue
3eissn
0029-8549issn
1432-1939pii
10.1007/s00442-020-04704-xjournal_volume
193pub_type
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