The basal metabolic rate of cold-adapted rats
نویسندگان
چکیده
منابع مشابه
The Zoogeography of Mammalian Basal Metabolic Rate.
Zoogeographical effects on the basal metabolic rate (BMR) of 487 mammal species were analyzed using conventional and phylogenetically independent ANCOVA. Minimal BMR variance occurred at a "constrained body mass" of 358 g, whereas maximum variance occurred at the smallest and largest body masses. Significant differences in BMR were identified for similar-sized mammals from the six terrestrial z...
متن کاملFluctuating selection on basal metabolic rate
BMR (Basal metabolic rate) is an important trait in animal life history as it represents a significant part of animal energy budgets. BMR has also been shown to be positively related to sustainable work rate and maximal thermoregulatory capacity. To this date, most of the studies have focused on the causes of interspecific and intraspecific variation in BMR, and fairly little is known about the...
متن کاملEvaluation of a method of estimating the basal metabolic rate.
While the patient is breathing normally into the spirometer he is instructed to make a deep expiration. It is important to ensure the maximal possible emptying of the lung so that all the reserve (supplemental) air will be expelled into the spirometer. To achieve this the subject must be stimulated to go on expelling air until the expiratory line flattens out. This process is repeated once or t...
متن کاملPhenotypic plasticity in the scaling of avian basal metabolic rate.
Many birds exhibit short-term, reversible adjustments in basal metabolic rate (BMR), but the overall contribution of phenotypic plasticity to avian metabolic diversity remains unclear. The available BMR data include estimates from birds living in natural environments and captive-raised birds in more homogenous, artificial environments. All previous analyses of interspecific variation in BMR hav...
متن کاملBasal metabolic rate in the Yakut (Sakha) of Siberia.
Human indigenous circumpolar populations have elevated basal metabolic rates (BMRs) relative to predicted values; this metabolic elevation has been postulated to be a physiological adaptation to chronic and severe cold stress. The present study examines BMR in the Yakut, an indigenous high-latitude population from the Sakha Republic of Russia to determine (1) whether the Yakut show evidence of ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: The Journal of Physiology
سال: 1963
ISSN: 0022-3751
DOI: 10.1113/jphysiol.1963.sp007299