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DOI | 10.1016/j.tree.2017.05.008 |
Do Performance-Safety Tradeoffs Cause Hypometric Metabolic Scaling in Animals? | |
Harrison, Jon F. | |
2017-09-01 | |
发表期刊 | TRENDS IN ECOLOGY & EVOLUTION
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ISSN | 0169-5347 |
EISSN | 1872-8383 |
出版年 | 2017 |
卷号 | 32期号:9 |
文章类型 | Review |
语种 | 英语 |
国家 | USA |
英文摘要 | Hypometric scaling of aerobic metabolism in animals has been widely attributed to constraints on oxygen (O-2) supply in larger animals, but recent findings demonstrate that O-2 supply balances with need regardless of size. Larger animals also do not exhibit evidence of compensation for O-2 supply limitation. Because declining metabolic rates (MRs) are tightly linked to fitness, this provides significant evidence against the hypothesis that constraints on supply drive hypometric scaling. As an alternative, ATP demand might decline in larger animals because of performance-safety tradeoffs. Larger animals, which typically reproduce later, exhibit risk-reducing strategies that lower MR. Conversely, smaller animals are more strongly selected for growth and costly neurolocomotory performance, elevating metabolism. |
领域 | 资源环境 |
收录类别 | SCI-E |
WOS记录号 | WOS:000407955900011 |
WOS关键词 | BODY-SIZE ; HIGH-ALTITUDE ; PHYSIOLOGICAL ADAPTATION ; HYPOXIA TOLERANCE ; 3/4-POWER LAW ; LIMB POSTURE ; PROTON LEAK ; MUSCLE ; EVOLUTION ; MAMMALS |
WOS类目 | Ecology ; Evolutionary Biology ; Genetics & Heredity |
WOS研究方向 | Environmental Sciences & Ecology ; Evolutionary Biology ; Genetics & Heredity |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/28908 |
专题 | 资源环境科学 |
作者单位 | Arizona State Univ, Sch Life Sci, Tempe, AZ 85287 USA |
推荐引用方式 GB/T 7714 | Harrison, Jon F.. Do Performance-Safety Tradeoffs Cause Hypometric Metabolic Scaling in Animals?[J]. TRENDS IN ECOLOGY & EVOLUTION,2017,32(9). |
APA | Harrison, Jon F..(2017).Do Performance-Safety Tradeoffs Cause Hypometric Metabolic Scaling in Animals?.TRENDS IN ECOLOGY & EVOLUTION,32(9). |
MLA | Harrison, Jon F.."Do Performance-Safety Tradeoffs Cause Hypometric Metabolic Scaling in Animals?".TRENDS IN ECOLOGY & EVOLUTION 32.9(2017). |
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