More social species live longer, have longer generation times and longer reproductive windows.

IF 5.4 2区 生物学 Q1 BIOLOGY
Roberto Salguero-Gómez
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Abstract

The role of sociality in the demography of animals has become an intense focus of research in recent decades. However, efforts to understand the sociality-demography nexus have hitherto focused on single species or isolated taxonomic groups. Consequently, we lack generality regarding how sociality associates with demographic traits within the Animal Kingdom. Here, I propose a continuum of sociality, from solitary to tightly social, and test whether this continuum correlates with the key demographic properties of 152 species, from jellyfish to humans. After correction for body mass and phylogenetic relationships, I show that the sociality continuum is associated with key life history traits: more social species live longer, postpone maturity, have longer generation time and greater probability of achieving reproduction than solitary, gregarious, communal or colonial species. Contrary to the social buffering hypothesis, sociality does not result in more buffered populations. While more social species have a lower ability to benefit from disturbances, they display greater resistance than more solitary species. Finally, I also show that sociality does not shape reproductive or actuarial senescence rates. This cross-taxonomic examination of sociality across the demography of 13 taxonomic classes highlights key ways in which individual interactions shape most aspects of animal demography.This article is part of the discussion meeting issue 'Understanding age and society using natural populations'.

社会性更强的物种寿命更长,世代时间更长,繁殖期也更长。
近几十年来,社会性在动物人口统计中的作用已成为研究的重点。然而,迄今为止,了解社会性与人口统计之间关系的工作主要集中在单一物种或孤立的分类群上。因此,我们对动物王国中社会性如何与人口统计特征相关联缺乏普遍性。在这里,我提出了一个从独居到紧密社交的社交性连续体,并检验了这一连续体是否与从水母到人类的 152 个物种的主要人口统计特征相关。在对身体质量和系统发育关系进行校正后,我发现社会性连续体与关键的生活史特征相关:与独居、群居、群落或殖民地物种相比,社会性更强的物种寿命更长、成熟期更晚、世代时间更长、实现繁殖的概率更大。与社会性缓冲假说相反,社会性并不会导致缓冲能力更强的种群。虽然社会性较强的物种从干扰中获益的能力较低,但它们比独居物种表现出更强的抵抗力。最后,我还证明了社会性不会影响繁殖率或精算衰老率。这篇跨分类学的文章考察了社会性在 13 个分类学类别的人口统计学中的作用,突出了个体相互作用影响动物人口统计学大多数方面的关键方式。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
11.80
自引率
1.60%
发文量
365
审稿时长
3 months
期刊介绍: The journal publishes topics across the life sciences. As long as the core subject lies within the biological sciences, some issues may also include content crossing into other areas such as the physical sciences, social sciences, biophysics, policy, economics etc. Issues generally sit within four broad areas (although many issues sit across these areas): Organismal, environmental and evolutionary biology Neuroscience and cognition Cellular, molecular and developmental biology Health and disease.
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