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Related papers: Discrete dynamics of phytoplankton-zooplankton sys…

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In this paper, we investigate the dynamics of a discrete-time phytoplankton-zooplankton model where the predator functional response and toxin distribution functions follow both Holling Type II and Holling Type III forms simultaneously. We…

Dynamical Systems · Mathematics 2025-05-16 Sobirjon Shoyimardonov

We study the dynamics of a discrete phytoplankton-zooplankton model with Holling type~II grazing and Holling type~III toxin release. The existence and stability of positive fixed points are analyzed, and conditions for the occurrence of…

Dynamical Systems · Mathematics 2025-07-25 Sobirjon Shoyimardonov

In this paper, we investigate a discrete-time phytoplankton-zooplankton model that incorporates a linear predator functional response alongside a Holling-type toxin distribution. Both Holling type II and type III cases are considered, and…

Dynamical Systems · Mathematics 2025-05-28 Sobirjon Shoyimardonov

We investigate the dynamics of a discrete phytoplankton-zooplankton model incorporating Holling type~III predation and Holling type~II toxin release. The existence and stability of positive fixed points are analyzed, and it is shown that…

Dynamical Systems · Mathematics 2025-08-12 Sobirjon Shoyimardonov

In this paper, we study discrete-time model of phytoplankton-zooplankton with Holling type II predator functional response. It is shown that Neimark-Sacker bifurcation occurs at the one of positive fixed points for certain parameter chosen…

Dynamical Systems · Mathematics 2022-07-06 Sobirjon Shoyimardonov

In this paper, an attempt is made to understand the dynamics of a three-dimensional discrete fractional-order eco-epidemiological model with Holling type II functional response. We first discretize a fractional-order predator-prey-parasite…

Dynamical Systems · Mathematics 2021-04-15 Shuvojit Mondal , Xianbing Cao , Nandadulal Bairagi

In this paper, the dynamics of a phytoplankton-zooplankton system with linear functional responses are examined. For the continuous-time model, the global asymptotic stability of the fixed points is demonstrated by constructing Lyapunov…

Dynamical Systems · Mathematics 2025-05-16 S. K. Shoyimardonov

In this paper, we investigate the complex dynamics of a spatial plankton-fish system with Holling type III functional responses. We have carried out the analytical study for both one and two dimensional system in details and found out a…

Pattern Formation and Solitons · Physics 2011-03-18 Ranjit Kumar Upadhyay , Weiming Wang , N. K. Thakur

This is a survey on the local structure about a fixed point of discrete finite-dimensional holomorphic dynamical systems, discussing in particular the existence of local topological conjugacies to normal forms, and the structure of local…

Dynamical Systems · Mathematics 2007-05-23 Marco Abate

We consider in this paper a microscopic model (that is, a system of three reaction-diffusion equations) incorporating the dynamics of handling and searching predators, and show that its solutions converge when a small parameter tends to $0$…

Analysis of PDEs · Mathematics 2018-01-01 Fiammetta Conforto , Laurent Desvillettes , Cinzia Soresina

In this work, we consider a reaction-diffusion system, modeling the interaction between nutrients, phytoplanktons and zooplanktons. Using a semigroup approach in $L^2$, we prove global existence, uniqueness and positivity of the solutions.…

Analysis of PDEs · Mathematics 2020-09-14 Antoine Perasso , Quentin Richard , Irene Azzali , Ezio Venturino

We explore the complex dynamical behavior of simple predator-prey models of biological coevolution that account for interspecific and intraspecific competition for resources, as well as adaptive foraging behavior. In long kinetic Monte…

Populations and Evolution · Quantitative Biology 2009-10-26 Per Arne Rikvold

A new model to investigate environmental effects of genetically distinguishable predators is presented. The Holling type II response function, modelling feeding satiation, leads to persistent system's oscillations, as in classical…

Dynamical Systems · Mathematics 2014-03-19 Clara Viberti , Ezio Venturino

We study a modified version of a prey-predator system with modified Leslie-Gower and Holling type II functional response studied by M.A. Aziz-Alaoui and M. Daher-Okiye. The modification consists in incorporating a refuge for preys, and…

Probability · Mathematics 2019-04-09 Safia Slimani , Paul Raynaud de Fitte , Islam Boussaada

A reaction-diffusion-advection predator-prey model with Holling type-II predator functional response is considered. We show the stability/instability of the positive steady state and the existence of a Hopf bifurcation when the diffusion…

Dynamical Systems · Mathematics 2022-12-09 Yihuan Sun , Shanshan Chen

In this paper, conformal fractional order discretization [20, 24, 25] is used to analyze bifurcation analysis and stability of a predator-prey system. A continuous model has been discretized into a discrete one while preserving the…

Dynamical Systems · Mathematics 2025-02-07 Muhammad Rafaqat , Abubakar Masha , Nauman Ahmed , Ali Raza , Wojciech Sumelka

The objective of this paper is to study the dynamical behaviour systematically of an ecological system with Beddington-DeAngelis functional response which avoids the criticism occurred in the case of ratio-dependent functional response at…

Dynamical Systems · Mathematics 2015-01-21 Sahabuddin Sarwardi , Md. Reduanur Mandal , Nurul Huda Gazi

This paper is focused on local and global stability of a fractional-order predator-prey model with habitat complexity constructed in the Caputo sense and corresponding discrete fractional-order system. Mathematical results like positivity…

Dynamical Systems · Mathematics 2019-06-05 Shuvojit Mondal , Milan Biswas , Nandadulal Bairagi

The classical Hastings-Powell model is well known to exhibit chaotic dynamics in a three-species food chain. Chaotic dynamics appear through period-doubling bifurcation of stable coexistence limit cycle around an unstable interior…

Dynamical Systems · Mathematics 2023-07-19 Indrajyoti Gaine , Swadesh Pal , Poulami Chatterjee , Malay Banerjee

This paper presents an energetic derivation of a class of multi-species reaction-diffusion systems incorporating various functional responses, with a focus on and application to ecological models. Starting point is a closed reaction network…

Analysis of PDEs · Mathematics 2025-07-10 Jan-Eric Sulzbach
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