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原文連結
論文資訊
- 類型：已發表論文
- 日期：2014-01-08
摘要
In mammals, the mass-specific rate of biomass production during gestation and lactation, here called maternal productivity, has been shown to vary with body size and lifestyle. Metabolic theory predicts that post-weaning growth of offspring, here termed juvenile productivity, should be higher than maternal productivity, and juveniles of smaller 物種 should be more productive than those of larger 物種. Furthermore because juveniles generally have similar lifestyles to their mothers, across 物種 juvenile and maternal productivities should be correlated. We evaluated these predictions with data from 270 物種 of placental mammals in 14 taxonomic/lifestyle groups. All three predictions were supported. Lagomorphs, perissodactyls and artiodactyls were very productive both as juveniles and as mothers as e
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