RESTING AND FIELD METABOLIC RATES OF ADULT MALE YELLOW-BELLIED MARMOTS, MARMOTA-FLAVIVENTRIS

被引：14
作者：
SALSBURY, CM
ARMITAGE, KB
机构：
[1] Department of Systematics and Ecology, University of Kansas, Lawrence
来源：
COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY A-PHYSIOLOGY | 1994年 / 108卷 / 04期
基金：
美国国家科学基金会;
关键词：
METABOLIC RATES; MARMOTA FLAVIVENTRIS;
D O I：
10.1016/0300-9629(94)90343-3
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
Resting metabolic rate (RMR) and field metabolic rate (FMR) of wild-caught males were estimated from oxygen consumption and the doubly-labeled water method, respectively. The average FMR:RMR ratio of 6.9 was much greater than ratios reported for other mammals. Total FMR (kJ/day) increased and specific RMR (kJ/kg/day) decreased with time. Neither total RMR nor specific FMR were significantly related to time. The decrease in specific RMR may result from a circannual decrease in maintenance expenditure and a seasonal increase in body mass. Total FMR may increase through the season as conditions for male activity become more favorable.
引用
收藏
页码：579 / 588
页数：10
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