Articles with "allee effects" as a keyword



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Dynamics of a predator–prey model with double Allee effects and impulse

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Published in 2017 at "Nonlinear Dynamics"

DOI: 10.1007/s11071-016-3270-7

Abstract: In this paper, a predator–prey model with double Allee effects and impulse is studied. The existence and stability of the prey-free periodic solution are investigated. The sufficient conditions for global stability of the prey-free periodic… read more here.

Keywords: allee effects; predator prey; prey model; model double ... See more keywords
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Allee Effects Plus Noise Induce Population Dynamics Resembling Binary Markov Highs and Lows.

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Published in 2022 at "Bulletin of mathematical biology"

DOI: 10.1007/s11538-022-01017-3

Abstract: We show that the combination of Allee effects and noise can produce a stochastic process with alternating sudden decline to a low population phase, followed, after a random time, by abrupt increase in population density.… read more here.

Keywords: plus noise; noise induce; effects plus; allee effects ... See more keywords
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On a population model with Allee effects and environmental perturbations

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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
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Ecological Allee effects modulate optimal strategies for conservation in agricultural landscapes

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Published in 2020 at "Ecological Modelling"

DOI: 10.1016/j.ecolmodel.2020.109208

Abstract: Abstract One target of biological conservation is the protection of biodiversity in agricultural landscapes. However, in their land-use decisions, farmers are often challenged with balancing biodiversity maintenance and profit generation. Under the current agricultural system,… read more here.

Keywords: biological conservation; allee effects; agricultural landscapes; suitable habitat ... See more keywords
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Hunting cooperation and Allee effects in predators.

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Published in 2017 at "Journal of theoretical biology"

DOI: 10.1016/j.jtbi.2017.02.002

Abstract: Cooperation is a ubiquitous behavior in many biological systems and is well-known for promoting Allee effects. However, few studies have paid attention to mechanisms inducing Allee effects in predators. Here, we focus on hunting cooperation… read more here.

Keywords: allee effects; hunting cooperation; attack rate; effects predators ... See more keywords
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Allee effects and the Allee-effect zone in northwest Atlantic cod

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Published in 2022 at "Biology Letters"

DOI: 10.1098/rsbl.2021.0439

Abstract: According to the theory of compensatory dynamics, depleted populations should recover when the threat responsible for their decline is removed because per capita population growth is assumed to be highest when populations are at their… read more here.

Keywords: allee effect; atlantic cod; recovery; cod ... See more keywords
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Dynamics of a stochastic population model with Allee effects under regime switching

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Published in 2020 at "Advances in Difference Equations"

DOI: 10.1186/s13662-020-02759-x

Abstract: A stochastic single-species model with Allee effects under regime switching is developed and detected in the present study. First, extinction and persistence of the model are dissected. Subsequently, sufficient criteria are offered to ensure that… read more here.

Keywords: allee effects; regime switching; dynamics stochastic; model allee ... See more keywords