Mathematical assessment of the role of temperature on desert locust population dynamics.

This study presents a novel non-autonomous mathematical model to explore the intricate relationship between temperature and desert locust population dynamics, considering the influence of both solitarious and gregarious phases across all life stages. The model incorporates temperature-dependent para...

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Main Authors: Dejen Ketema Mamo, Mathew N Kinyanjui, Nourridine Siewe
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2025-01-01
Series:PLoS ONE
Online Access:https://doi.org/10.1371/journal.pone.0317040
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author Dejen Ketema Mamo
Mathew N Kinyanjui
Nourridine Siewe
author_facet Dejen Ketema Mamo
Mathew N Kinyanjui
Nourridine Siewe
author_sort Dejen Ketema Mamo
collection DOAJ
description This study presents a novel non-autonomous mathematical model to explore the intricate relationship between temperature and desert locust population dynamics, considering the influence of both solitarious and gregarious phases across all life stages. The model incorporates temperature-dependent parameters for key biological processes, including egg development, hopper growth, adult maturation, and reproduction. Theoretical analysis reveals the model's capacity for complex dynamical behaviors, such as multiple stable states and backward bifurcations, suggesting the potential for sudden and unpredictable population shifts. Sensitivity analysis identifies temperature-related parameters as critical drivers of population fluctuations, highlighting the importance of accurate temperature predictions for effective management. Numerical simulations demonstrate the significant impact of temperature on population growth, with optimal conditions promoting rapid development and increased survival, while extreme temperatures can hinder population growth and trigger phase transitions. By providing a deeper understanding of temperature-driven population shifts, this model enhances the ability to predict locust outbreaks, optimize control strategies, and reduce the socio-economic and ecological impacts of locust invasions.
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institution Kabale University
issn 1932-6203
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publishDate 2025-01-01
publisher Public Library of Science (PLoS)
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spelling doaj-art-b3be433dffe8487f811e921b172a59b32025-02-05T05:32:11ZengPublic Library of Science (PLoS)PLoS ONE1932-62032025-01-01201e031704010.1371/journal.pone.0317040Mathematical assessment of the role of temperature on desert locust population dynamics.Dejen Ketema MamoMathew N KinyanjuiNourridine SieweThis study presents a novel non-autonomous mathematical model to explore the intricate relationship between temperature and desert locust population dynamics, considering the influence of both solitarious and gregarious phases across all life stages. The model incorporates temperature-dependent parameters for key biological processes, including egg development, hopper growth, adult maturation, and reproduction. Theoretical analysis reveals the model's capacity for complex dynamical behaviors, such as multiple stable states and backward bifurcations, suggesting the potential for sudden and unpredictable population shifts. Sensitivity analysis identifies temperature-related parameters as critical drivers of population fluctuations, highlighting the importance of accurate temperature predictions for effective management. Numerical simulations demonstrate the significant impact of temperature on population growth, with optimal conditions promoting rapid development and increased survival, while extreme temperatures can hinder population growth and trigger phase transitions. By providing a deeper understanding of temperature-driven population shifts, this model enhances the ability to predict locust outbreaks, optimize control strategies, and reduce the socio-economic and ecological impacts of locust invasions.https://doi.org/10.1371/journal.pone.0317040
spellingShingle Dejen Ketema Mamo
Mathew N Kinyanjui
Nourridine Siewe
Mathematical assessment of the role of temperature on desert locust population dynamics.
PLoS ONE
title Mathematical assessment of the role of temperature on desert locust population dynamics.
title_full Mathematical assessment of the role of temperature on desert locust population dynamics.
title_fullStr Mathematical assessment of the role of temperature on desert locust population dynamics.
title_full_unstemmed Mathematical assessment of the role of temperature on desert locust population dynamics.
title_short Mathematical assessment of the role of temperature on desert locust population dynamics.
title_sort mathematical assessment of the role of temperature on desert locust population dynamics
url https://doi.org/10.1371/journal.pone.0317040
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