Results 21 to 30 of about 42,411 (234)
High prices for rare species can drive large populations extinct: the anthropogenic Allee effect revisited [PDF]
, 2017 Consumer demand for plant and animal products threatens many populations with extinction. The anthropogenic Allee effect (AAE) proposes that such extinctions can be caused by prices for wildlife products increasing with species rarity.
Holden, Matthew H, McDonald-Madden, Eve
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Pattern Formation in a Reaction-Diffusion Predator-Prey Model with Weak Allee Effect and Delay
Complexity, 2019 In this paper, we establish a reaction-diffusion predator-prey model with weak Allee effect and delay and analyze the conditions of Turing instability. The effects of Allee effect and delay on pattern formation are discussed by numerical simulation.
Hua Liu +5 more
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Demographic and Component Allee Effects in Southern Lake Superior Gray Wolves. [PDF]
PLoS ONE, 2016 Recovering populations of carnivores suffering Allee effects risk extinction because positive population growth requires a minimum number of cooperating individuals. Conservationists seldom consider these issues in planning for carnivore recovery because
Jennifer L Stenglein +1 more
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Modeling Allee Effect from Beta(p, 2) Densities [PDF]
, 2012 In this work we develop and investigate generalized populational growth models, adjusted from Beta(p, 2) densities, with Allee effect. The use of a positive parameter leads the presented generalization, which yields some more flexible models with ...
Aleixo, Sandra, Rocha, J. Leonel
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Allee-Effect-Induced Instability in a Reaction-Diffusion Predator-Prey Model
Abstract and Applied Analysis, 2013 We investigate the spatiotemporal dynamics induced by Allee effect in a reaction-diffusion predator-prey model. In the case without Allee effect, there is nonexistence of diffusion-driven instability for the model.
Weiming Wang +3 more
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Dynamics of a Predator–Prey Model with the Additive Predation in Prey
Mathematics, 2022 In this paper, we consider a predator–prey model, in which the prey’s growth is affected by the additive predation of its potential predators. Due to the additive predation term in prey, the model may exhibit the cases of the strong Allee effect, weak ...
Dingyong Bai, Xiaoxuan Zhang
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Stability analysis of a single species logistic model with Allee effect and feedback control
Advances in Difference Equations, 2018 A single species logistic model with Allee effect and feedback control dxdt=rx(1−x)xβ+x−axu,dudt=−bu+cx, $$\begin{aligned}& \frac{dx}{dt} = rx(1-x)\frac{x}{\beta+x}-axu, \\& \frac{du}{dt} = -bu+cx, \end{aligned}$$ where β, r, a, b, and c are all positive
Qifa Lin
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Ecosphere, 2022 Eurasian lynx (Lynx lynx) have recently naturally recolonized southern Sweden. The first documented reproduction of lynx in recent times occurred in 2003, and the population increased from 2 to 48 family groups (the unit of measurement in Swedish ...
Henrik Andrén +4 more
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Interaction between habitat quality and an Allee-like effect in metapopulations [PDF]
, 2013 We construct a stochastic patch occupancy metapopulation model that incorporates variation in habitat quality and an Allee-like effect. Using some basic results from stochastic ordering, we investigate the effect of habitat degradation on the persistence
Amarasekare +23 more
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Discrete Dynamics in Nature and Society, 2016 The Allee effect is incorporated into a predator-prey model with linear functional response. Compared with the predator-prey which only takes the crowding effect and predator partially dependent on prey into consideration, it is found that the Allee ...
Jie Yan +3 more
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