Bioenergetics - One price to run, swim or fly?

被引：16

作者：

Alexander, RM ^{[1
]}

机构：

[1] Univ Leeds, Sch Biol, Leeds LS2 9JT, W Yorkshire, England

来源：

NATURE | 1999年 / 397卷 / 6721期

关键词：

D O I：

10.1038/17687

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

It has long been thought that the energetic costs of running are higher than for flying, and that swimming is cheaper than both. But recent estimates for mammals indicate that, weight for weight, these are about the same. Swimming is expensive for semi-aquatic mammals, so they tend to move slowly as a result: over a distance of 50 metres, dolphins swim five times faster than human world-record holders.

引用

页码：651 / 653

页数：3

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