Optimal harvesting of a Gompertz population model with a marine protected area and interval-value biological parameters
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DOI: 10.1002/mma.4683
Abstract: To protect fishery populations on the verge of extinction and sustain the biodiversity of the marine ecosystem, marine protected areas (MPA) are established to provide a refuge for fishery resource. However, the influence of current… read more here.
Keywords: interval value; biological parameters; marine protected; marine ... See more keywords
Using a Population Model to Inform the Management of River Flows and Invasive Carp (Cyprinus carpio)
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DOI: 10.1007/s00267-017-0855-y
Abstract: Carp are a highly successful invasive fish species, now widespread, abundant and considered a pest in south-eastern Australia. To date, most management effort has been directed at reducing abundances of adult fish, with little consideration… read more here.
Keywords: river flows; management; population; carp ... See more keywords
Uncertain population model
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DOI: 10.1007/s00500-018-03678-6
Abstract: Considering that the population size is always influenced by various uncertain factors in varying environment, we present some new types of uncertain population models: uncertain population growth model and uncertain logistic population growth model which… read more here.
Keywords: population model; population; model uncertain; uncertain population ... See more keywords
Dynamics of A Single Population Model with Memory Effect and Spatial Heterogeneity
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DOI: 10.1007/s10884-021-10010-8
Abstract: In this paper, a single reaction-diffusion population model with memory effect and the heterogeneity of the environment, equipped with the Neumann boundary, is considered. The global existence of a spatial nonhomogeneous steady state is proved… read more here.
Keywords: memory; population model; diffusion; heterogeneity ... See more keywords
Hopf Bifurcation in a Delayed Population Model Over Patches with General Dispersion Matrix and Nonlocal Interactions
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DOI: 10.1007/s10884-021-10070-w
Abstract: In this paper, we consider a single species population model over patches with delay and nonlocal interactions, for which no symmetry for the dispersion (connection) matrix is assumed. We show that there exists a positive… read more here.
Keywords: model patches; nonlocal interactions; model; dispersion ... See more keywords
Effect of Non-homogeneous Mixing and Asymptomatic Individuals on Final Epidemic Size and Basic Reproduction Number in a Meta-Population Model
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DOI: 10.1007/s11538-022-00996-7
Abstract: To uncover the effective interventions during the pandemic period, a novel mathematical model, which incorporates separate compartments for incubation and asymptomatic individuals, has been developed in this paper. On the basis of a general mixing,… read more here.
Keywords: size; meta population; population model; model ... See more keywords
Extended Discrete-Time Population Model to Describe the Competition of Nutrient-Producing Protocells
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DOI: 10.1007/s11538-025-01488-0
Abstract: Modeling the behavior of simple communities of protocells (as basic life-like organisms) is of vital importance since their better understanding may help to describe more complex (artificial and real) ecological systems. In this paper, we… read more here.
Keywords: discrete time; competition; population; model ... See more keywords
On a population model with Allee effects and environmental perturbations
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Applied Mathematics and Computing"
DOI: 10.1007/s12190-020-01377-w
Abstract: The present study takes advantage of the white noise and the Lévy noise to portray the small and sudden environmental perturbations respectively, and puts forward a stochastic population model with Allee effects and Lévy jumps.… read more here.
Keywords: allee effects; model allee; model; environmental perturbations ... See more keywords
Survival analysis of a single-species population model with fluctuations and migrations between patches
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DOI: 10.1016/j.apm.2019.12.023
Abstract: Abstract We formulate a single-species population model with fluctuations and migrations between two different patches (the nature reserve and the natural environment) to describe the situation that endangered species often meets with. Firstly, we prove… read more here.
Keywords: single species; model fluctuations; species population; fluctuations migrations ... See more keywords
An innovative q-homotopy analysis approach for solving generalized q-fractional non-linear biological population model
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DOI: 10.1063/5.0256945
Abstract: This paper presents an innovative approach for solving the generalized q-fractional non-linear biological population model through synthesis of a semi-analytical technique called the q-homotopy analysis method (qHAM). The qHAM is extended to merge q-fractional Laplace… read more here.
Keywords: non linear; population; approach solving; model ... See more keywords
Asymptotic analysis of a size-structured population model with infinite states-at-birth
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DOI: 10.1080/00036811.2017.1408075
Abstract: ABSTRACT In this paper, we study a size-structured population model with infinite states-at-birth and distributed delay in birth process. We are interested in the asymptotic behavior of the considered system and, particularly, in the effect… read more here.
Keywords: structured population; population model; infinite states; analysis ... See more keywords