The dynamics and harvesting strategies of a predator-prey system with Allee effect on prey

The study of harvesting mechanisms in predator-prey systems with an Allee effect on prey has always garnered significant attention. In this paper, the dynamics and harvesting strategies of a predator-prey system are investigated, where the prey is subject to the Allee effect. The positivity and boun...

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Main Authors: Chengchong Lu, Xinxin Liu, Zhicheng Li
Format: Article
Language:English
Published: AIMS Press 2023-10-01
Series:AIMS Mathematics
Subjects:
Online Access:https://www.aimspress.com/article/doi/10.3934/math.20231481?viewType=HTML
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author Chengchong Lu
Xinxin Liu
Zhicheng Li
author_facet Chengchong Lu
Xinxin Liu
Zhicheng Li
author_sort Chengchong Lu
collection DOAJ
description The study of harvesting mechanisms in predator-prey systems with an Allee effect on prey has always garnered significant attention. In this paper, the dynamics and harvesting strategies of a predator-prey system are investigated, where the prey is subject to the Allee effect. The positivity and boundedness of solutions, the existence and stability of equilibria are further studied. The existence of a Hopf bifurcation at the interior equilibrium point of the system is investigated and verified by numerical simulations. Furthermore, we investigate the maximum sustainable yield (MSY), maximum sustainable total yield (MSTY) and the optimal economic profit of the proposed system. We find that MSY can be attained through predator harvesting, while MSTY is observed when harvesting efforts are uniform across species. In these situations, the biological system maintains stability. Using the method of control parametrization, the optimal economic profit and harvesting strategy are obtained. The results show that the harvesting efforts can affect the stability of the system, resulting in several interesting biological phenomena. This research provides a theoretical basis for biological resource management.
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spelling doaj.art-b8f3586ba2de40b8b010c61afe8291e62023-11-07T01:41:47ZengAIMS PressAIMS Mathematics2473-69882023-10-01812288972892510.3934/math.20231481The dynamics and harvesting strategies of a predator-prey system with Allee effect on preyChengchong Lu0Xinxin Liu1Zhicheng Li2School of Data Science and Artificial Intelligence, Wenzhou University of Technology, Wenzhou, ChinaSchool of Data Science and Artificial Intelligence, Wenzhou University of Technology, Wenzhou, ChinaSchool of Data Science and Artificial Intelligence, Wenzhou University of Technology, Wenzhou, ChinaThe study of harvesting mechanisms in predator-prey systems with an Allee effect on prey has always garnered significant attention. In this paper, the dynamics and harvesting strategies of a predator-prey system are investigated, where the prey is subject to the Allee effect. The positivity and boundedness of solutions, the existence and stability of equilibria are further studied. The existence of a Hopf bifurcation at the interior equilibrium point of the system is investigated and verified by numerical simulations. Furthermore, we investigate the maximum sustainable yield (MSY), maximum sustainable total yield (MSTY) and the optimal economic profit of the proposed system. We find that MSY can be attained through predator harvesting, while MSTY is observed when harvesting efforts are uniform across species. In these situations, the biological system maintains stability. Using the method of control parametrization, the optimal economic profit and harvesting strategy are obtained. The results show that the harvesting efforts can affect the stability of the system, resulting in several interesting biological phenomena. This research provides a theoretical basis for biological resource management.https://www.aimspress.com/article/doi/10.3934/math.20231481?viewType=HTMLpredator-preyallee effecthopf bifurcationmstyoptimal harvesting
spellingShingle Chengchong Lu
Xinxin Liu
Zhicheng Li
The dynamics and harvesting strategies of a predator-prey system with Allee effect on prey
AIMS Mathematics
predator-prey
allee effect
hopf bifurcation
msty
optimal harvesting
title The dynamics and harvesting strategies of a predator-prey system with Allee effect on prey
title_full The dynamics and harvesting strategies of a predator-prey system with Allee effect on prey
title_fullStr The dynamics and harvesting strategies of a predator-prey system with Allee effect on prey
title_full_unstemmed The dynamics and harvesting strategies of a predator-prey system with Allee effect on prey
title_short The dynamics and harvesting strategies of a predator-prey system with Allee effect on prey
title_sort dynamics and harvesting strategies of a predator prey system with allee effect on prey
topic predator-prey
allee effect
hopf bifurcation
msty
optimal harvesting
url https://www.aimspress.com/article/doi/10.3934/math.20231481?viewType=HTML
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