第二层次为同类相食的三种食物链模型

IF 0.5 Q4 COMPUTER SCIENCE, INFORMATION SYSTEMS Communications in Mathematical Biology and Neuroscience Pub Date : 2023-01-01 DOI:10.28919/cmbn/8009
A. S. Abdulghafour, R. K. Naji
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引用次数: 0

摘要

本文提出并探讨了一个三物种食物链模型,其中包括恐惧效应、依赖捕食者的避难所和第二层的同类相食。Holling II型功能反应决定了食物链各阶段之间的食物消耗。本研究考察了所建议的模型的基本要素的长期行为和影响。研究了模型的溶液性质。检验了每一个可能平衡点的存在性和稳定性。系统的持久性需求已经确定。发现了什么条件会导致平衡点出现局部分岔。适当的李雅普诺夫函数被用来研究系统的整体动力学。为了支持分析结论,进行了数值模拟,以验证模型推断的长期行为,并理解模型重要参数的含义
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Three-species food chain model with cannibalism in the second level
: This article suggests and explores a three-species food chain model that includes fear effects, refuges depending on predators, and cannibalism at the second level. The Holling type II functional response determines food consumption between stages of the food chain. This study examined the long-term behavior and impacts of the suggested model's essential elements. The model's solution properties were studied. The existence and stability of every probable equilibrium point were examined. The persistence needs of the system have been determined. It was discovered what conditions could lead to local bifurcation at equilibrium points. Appropriate Lyapunov functions are utilized to investigate the overall dynamics of the system. To support the analytical conclusions, numerical simulations were done to validate the model's inferred long-term behavior and to comprehend the implications of the model's significant parameters
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来源期刊
Communications in Mathematical Biology and Neuroscience
Communications in Mathematical Biology and Neuroscience COMPUTER SCIENCE, INFORMATION SYSTEMS-
CiteScore
2.10
自引率
15.40%
发文量
80
期刊介绍: Communications in Mathematical Biology and Neuroscience (CMBN) is a peer-reviewed open access international journal, which is aimed to provide a publication forum for important research in all aspects of mathematical biology and neuroscience. This journal will accept high quality articles containing original research results and survey articles of exceptional merit.
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