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arXiv 2302.13384q-bio.PEcond-mat.stat-mechnlin.AOnlin.PSphysics.bio-ph
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繁殖与移动之间的权衡延长了石头-剪刀-布模型中生物体的生存时间

Trade-off between reproduction and mobility prolongs organisms' survival in rock-paper-scissors models

J. Menezes, E. Rangel

AI总结:

本文在空间石头-剪刀-布模型中引入单一物种在繁殖与移动间的自适应权衡,模拟表明该策略可提升能量恢复、降低死亡和被捕食风险并延长自身寿命,但会缩短其他物种预期寿命。

摘要:

我们研究空间石头-剪刀-布模型,其中资源竞争者的循环优势会影响生物体的能量水平。我们的模型假设,失败的选择相互作用会导致能量损失,降低其在空间博弈中成功的机会,并加速衰退。为了避免因能量不足而死亡,三个物种中某一物种的生物体会策略性地在繁殖与移动之间进行权衡。当优先探索更广阔的区域时,生物体旨在最大化获取资源的机会,以恢复高能量水平。通过模拟,我们考察了这种生存行为对物种分离和空间模式的影响。结果表明,产生后代与加速移动之间的权衡有效保护了个体免于因缺乏能量而死亡。此外,由于这种行为策略,其在循环博弈中被天敌消灭的风险也有所降低。在三状态模型下,我们量化了权衡参数如何控制生物体的能量恢复。通过计算生物体生存时间的中位数,我们发现,尽管执行权衡策略的个体可能活得更久,但其他物种的生物体受到不利影响,预期寿命缩短。我们的研究或可阐明适应性生存策略在物种续存中的作用,并为生态学家提供有价值的见解。

英文摘要:

We study the spatial rock-paper-scissors model, where resource competitors' cyclic dominance impacts organisms' energy levels. Our model assumes that failed selection interactions can lead to energy loss, reducing the chances of success in the spatial game and hastening decline. To prevent death by energy insufficiency, organisms of one out of the species strategically perform a trade-off between reproduction and mobility. When prioritising exploring more extensive areas, organisms aim to maximise the chances of acquiring resources to regain high energy levels. Through simulation, we examine the effect of survival behaviour on species segregation and spatial patterns. Our outcomes show that the trade-off between offspring generation and accelerated movement effectively protects individuals from death due to lack of energy. Moreover, the risk of being eliminated by an enemy in the cyclic game reduces due to the behavioural strategy. Considering a three-state model, we quantify how the trade-off parameter controls the organisms' energy recovery. Computing the median organisms' survival time, we find that although individuals performing the trade-off strategy may live longer, the organisms of other species are negatively affected by a life expectancy reduction. Our research may elucidate the role of adaptive survival strategies in species persistence and provide valuable insights for ecologists.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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