大型哺乳动物作为MIS - 3人族维生素C来源的作用

IF 2.3 Q2 GEOSCIENCES, MULTIDISCIPLINARY
Quaternary Pub Date : 2023-03-10 DOI:10.3390/quat6010020
J. Guil‐Guerrero
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引用次数: 2

摘要

生活在海洋同位素阶段3的古人类,包括尼安德特人和解剖学上的现代人,获取大型猎物具有营养和生物能量方面的意义:这些人含有高脂肪含量,提供高能量回报,获取小型猎物所需的策略和技能与获取前者所需的策略和技能不同。在几个MIS 3时期,维生素C的可用性可能具有很强的季节性变化,对古人类群体的生存具有决定性作用。在MIS 3的寒冷时期,旧石器时代的古人类只有在短暂的夏季才能获得不同数量的含维生素c的植物,而在一年中剩下的时间里,内脏可能是他们维生素c的最佳来源。同时,对小型哺乳动物的依赖可能导致这些古人类消耗的内脏分布不稳定,从而导致慢性坏血病,并危及他们的生存。那么,除了有效的能量供应外,狩猎大型哺乳动物还有助于满足日常维生素C的需求。因此,在MIS 3期间,大型猎物的减少可能对古人类的生存至关重要,因此,对鸟类和水生动物等富含维生素c的替代食物资源的有效利用可能有利于古人类种群的进化成功。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The Role of Large Mammals as Vitamin C Sources for MIS 3 Hominins
The acquisition of large prey by hominins living during the Marine Isotope Stage 3, including Neanderthals and Anatomically Modern Humans, had nutritional and bioenergetic implications: these contain high fat amounts, provide a high energy return, and the strategies and skills required to acquire small prey were different from those required to acquire the former. Vitamin C availability at several MIS 3 periods could have had a strong seasonal variability and would have been decisive for hominin groups’ survival. During the cold periods of the MIS 3, Paleolithic hominins had variable available amounts of vitamin C-containing plants only in the short summers, and for the remainder of the year, viscera would have been their best source of vitamin C. Meanwhile, the dependence on small mammals could have caused an erratic distribution of viscera to be consumed by such hominins, thus leading to chronic scurvy, and compromising their survival. Then, the hunting of large mammals would have helped to meet the daily vitamin C needs, besides an efficient energy supply. Therefore, the decline of large prey during the MIS 3 could have been critical for hominins survival, and thus the efficient exploitation of alternative vitamin C-rich food resources such as birds and aquatic animals could have favored the evolutionary success of hominin populations.
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来源期刊
Quaternary
Quaternary GEOSCIENCES, MULTIDISCIPLINARY-
CiteScore
3.30
自引率
4.30%
发文量
44
审稿时长
11 weeks
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