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首页> 外文期刊>Applied Mathematical Modelling >A generalized Holling type Ⅱ model for the interaction between dextral-sinistral snails and Pareas snakes
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A generalized Holling type Ⅱ model for the interaction between dextral-sinistral snails and Pareas snakes

机译:右旋正弦蜗牛与帕雷亚斯蛇相互作用的广义HollingⅡ型模型

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摘要

Pareas snakes possess outstanding asymmetry in the mandibular tooth number, which has probably been caused by its evolution to improve the feeding on the predominant dextral snails. Gene mutation can generate chiral inversion on the snail body. A sinistral snail population can thrive in this ecological context. The interactions between dextral/sinistral snails and Pareas snakes are modeled in this paper by using a new generalized functional response of Holling type II. Distinct Pareas species show different bilateral asymmetry degrees. This parameter plays an essential role in the model and determines the evolution of the populations. Stability of the solutions is analyzed for different regimes in the space of parameters. (C) 2019 Elsevier Inc. All rights reserved.
机译:Pareas蛇的下颌齿数具有突出的不对称性,这可能是由于其进化以改善对主要右蜗牛的摄食而引起的。基因突变可在蜗牛体内产生手性倒位。在这种生态环境中,鼻祖蜗牛种群可以繁衍生息。本文利用新的广义II型Holling功能响应,对右旋/正弦蜗牛与帕雷亚斯蛇之间的相互作用进行了建模。不同的Pareas物种表现出不同的双侧不对称度。该参数在模型中起着至关重要的作用,并决定了种群的演变。分析了参数空间中不同方案的解的稳定性。 (C)2019 Elsevier Inc.保留所有权利。

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