The Effect of Alternative Resource and Refuge on the Dynamical Behavior of Food Chain Model

IF 0.5 Q3 MATHEMATICS
Z. M. Hadi, D. K. Bahlool
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引用次数: 0

Abstract

This article examines and proposes a dietary chain model with a prey shelter and alternative food sources. It is anticipated that mid-predators' availability is positively correlated with the number of refuges. The solution's existence and exclusivity are examined. It is established that the solution is bounded. It is explored whether all potential equilibrium points exist and are locally stable. The Lyapunov approach is used to investigate the equilibrium points' worldwide stability. Utilizing a Sotomayor theorem application, local bifurcation is studied. Numerical simulation is used to better comprehend the dynamics of the model and define the control set of parameters.
替代资源和避难所对食物链模型动态行为的影响
本文研究并提出了一个包含猎物庇护所和替代食物来源的食物链模型。预计中间捕食者的可用性与庇护所的数量呈正相关。本文研究了解决方案的存在性和排他性。结果表明,解是有界的。探讨了是否所有潜在的平衡点都存在且局部稳定。利用 Lyapunov 方法研究平衡点的全球稳定性。利用索托马约尔定理的应用,研究局部分岔。数值模拟用于更好地理解模型的动态,并确定控制参数集。
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
1.10
自引率
20.00%
发文量
0
期刊介绍: The Research Bulletin of Institute for Mathematical Research (MathDigest) publishes light expository articles on mathematical sciences and research abstracts. It is published twice yearly by the Institute for Mathematical Research, Universiti Putra Malaysia. MathDigest is targeted at mathematically informed general readers on research of interest to the Institute. Articles are sought by invitation to the members, visitors and friends of the Institute. MathDigest also includes abstracts of thesis by postgraduate students of the Institute.
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