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Growth and survival of the superorganism: Ant colony macronutrient intake and investment

机译:超级机构的生长和生存:蚁群Macronutrient Intake和Investment

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摘要

In this study, we used two common ant species ( and ) to assay how they translate variation in the diet (both in composition and frequency) into growth. We measured colony development for over 8 months and measured several phenotypic traits of the worker caste, and examined whether forager preference corresponded with diet quality. Optimal colony growth was a balance between survival and growth, and each of these was maximized with different nutrient regimes. Interestingly, forager preference was not totally aligned with the diet that maximized colony growth. Our results highlight that: (a) organism and superorganism size are controlled by the same nutrients, and this may reflect a common molecular basis for size across life's organizational levels, (b) there are nutrient trade‐offs that are associated with life‐history trade‐offs, likely leading to selection for a balanced diet, and (c) the connection between the preference of foragers for different nutrients and how nutrient combinations affect colony success and demographics are complex and only beginning to be understood.
机译:在这项研究中,我们使用了两种常见的蚂蚁物种(和)来测定它们如何将饮食(组成和频率的变化转化为生长。我们测量了超过8个月的殖民地发展,并测量了工人种姓的几种表型特征,并检查了富人偏好是否与饮食质量相对应。最佳的菌落生长是存活率和生长之间的平衡,并且这些中的每一个都以不同的营养制度最大化。有趣的是,Forager偏好并不完全与最大化的殖民地生长的饮食保持一致。我们的结果突出显示:(a)有机体和超级大小由相同的营养素控制,这可能反映了跨生命组织层面规模的常见分子基础,(b)有与生活历史相关的营养权衡权衡,可能导致均衡饮食选择,(c)对不同营养素的觅食者的偏好与营养组合如何影响殖民地成功和人口统计学的联系是复杂的并且只开始被理解。

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