Seasonal, sexual, and individual variation in endurance and activity metabolism in lizards.

  title={Seasonal, sexual, and individual variation in endurance and activity metabolism in lizards.},
  author={T. Garland and P. Else},
  journal={The American journal of physiology},
  volume={252 3 Pt 2},
  • T. Garland, P. Else
  • Published 1987
  • Biology, Medicine
  • The American journal of physiology
  • Amphibolurus nuchalis were collected in central Australia during mid- (January) and late summer (March). Endurance time at 1 km/h on a motorized treadmill is greater in larger lizards, scaling as M0.65. Maximal O2 consumption (VO2max) scales as M0.96; standard metabolic rate (SMR) scales as M0.83. Factorial aerobic scope thus increases ontogenetically (9.4 at 1 g vs. 15 at 50 g). All organ masses scale allometrically; larger lizards have relatively smaller livers, but larger hearts and thigh… CONTINUE READING
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