具有Allee效应和放养的Lotka-Volterra竞争模型中的竞争排斥与共存

Q3 Mathematics Letters in Biomathematics Pub Date : 2015-01-01 DOI:10.1080/23737867.2015.1048316
M. De Silva, S. Jang
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引用次数: 4

摘要

我们提出了一个两个种群的Lotka-Volterra竞争模型,其中一个种群受到Allee效应的影响,同时也处于放养状态,以研究竞争结果。通过研究模型的全局渐近动力学,对模型进行了分析。在某些情况下,濒危种群可能会导致其他种群灭绝,而在其他情况下,濒危种群无法生存。在某些参数条件下,两个竞争种群的共存是可能的。由此得出结论,在植入易受Allee效应影响的种群之前,必须相当小心。
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Competitive exclusion and coexistence in a Lotka–Volterra competition model with Allee effects and stocking
We propose a Lotka–Volterra competition model of two populations where one population is subject to Allee effects and is also under stocking to investigate competition outcomes. The resulting model is analysed by studying its global asymptotic dynamics. In some cases, the endangered population can drive the other population to extinction, while in other cases, the endangered population cannot survive. Coexistence of both competing populations is possible in some parameter regimes. It is concluded that considerable care must be taken before implanting the population that is subject to Allee effects.
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来源期刊
Letters in Biomathematics
Letters in Biomathematics Mathematics-Statistics and Probability
CiteScore
2.00
自引率
0.00%
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0
审稿时长
14 weeks
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