论文标题

在结构上具有高阶相互作用的结构扰动的不及物子循环中控制物种密度

Controlling species densities in structurally perturbed intransitive cycles with higher-order interactions

论文作者

Chatterjee, Sourin, Chowdhury, Sayantan Nag, Ghosh, Dibakar, Hens, Chittaranjan

论文摘要

面对达尔文人的选择,物种生物多样性的持久性是生态社区的一个挑战性命题。本文研究了成对竞争性的相互作用,并提供了一种新的观点,可以理解高阶相互作用对社会表型演变的影响。我们的简单模型产生了一种繁荣的前景,以证明扰动对不及物的竞争性高阶相互作用的影响。使用数学技术,我们表明了扰动的相互作用网络可以迅速确定竞争物种的共存平衡,而不是求解大型普通微分方程的系统。根据扰动的数量,可以将系统分为多个可行的群集状态。我们的分析还揭示了不受干扰的物种和扰动物种之间的比率与使用的扰动量成反比。我们的结果表明,可以将非线性动力学系统和相互作用拓扑结合在一起,以在不利条件下理解物种的共存。特别是我们的发现表明,较少的两个物种之间的竞争增加了它们的丰度,并且表现优于其他物种。

The persistence of biodiversity of species is a challenging proposition in ecological communities in the face of Darwinian selection. The present article investigates beyond the pairwise competitive interactions and provides a novel perspective for understanding the influence of higher-order interactions on the evolution of social phenotypes. Our simple model yields a prosperous outlook to demonstrate the impact of perturbations on intransitive competitive higher-order interactions. Using a mathematical technique, we show how alone the perturbed interaction network can quickly determine the coexistence equilibrium of competing species instead of solving a large system of ordinary differential equations. It is possible to split the system into multiple feasible cluster states depending on the number of perturbations. Our analysis also reveals the ratio between the unperturbed and perturbed species is inversely proportional to the amount of employed perturbation. Our results suggest that nonlinear dynamical systems and interaction topologies can be interplayed to comprehend species' coexistence under adverse conditions. Particularly our findings signify that less competition between two species increases their abundance and outperforms others.

扫码加入交流群

加入微信交流群

微信交流群二维码

扫码加入学术交流群,获取更多资源