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oai:uvadoc.uva.es:10324/400952021-06-24T07:22:06Zcom_10324_22154com_10324_954com_10324_894col_10324_22155

Alonso Izquierdo, Alberto González León, Miguel Ángel Torre Mayado, Marina de la 2020-01-11T19:41:32Z 2020-01-11T19:41:32Z 2019 Applied Mathematical Modelling, 2019, vol. 73. p. 459-472 0307-904X http://uvadoc.uva.es/handle/10324/40095 10.1016/j.apm.2019.04.005 459 472 Applied Mathematical Modelling 73 Pareatic 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 our model and determines the evolution of the populations. Stability of the solutions is also analyzed for different regimes in the space of parameters. eng info:eu-repo/semantics/openAccess © 2019 Elsevier A generalized Holling type II model for the interaction between dextral-sinistral snails and Pareas snakes info:eu-repo/semantics/article