Uso de refugio por las presas: su impacto en la dinámica del modelo de Lotka-Volterra

Autores/as

  • Eduardo González Olivares Pontificia Universidad Católica de Valparaíso, Chile. http://orcid.org/0000-0003-3907-0076
  • Roxana López-Cruz Facultad de Ciencias Matemáticas, Universidad Nacional Mayor de San Marcos, Lima, Perú
  • Alejandro Rojas-Palma Departamento de Matemáticas, Física y Estadística, Universidad Católica del Maule, Chile

DOI:

https://doi.org/10.17268/sel.mat.2022.02.06

Palabras clave:

Modelo depredador-presa, refugio, estabilidad, bifurcaciones, ciclos límites, curvas separatrices

Resumen

En diversos trabajos anteriores se han modificado diferentes modelos de depredacion considerando el uso de refugio de presas, para lo cual se efectua un analisis parcial de su dinamica.

En algunos de ellos se afirma que el uso de refugio tiene un efecto estabilizador en la interaccion depredador-presa. Uno de los propositos de este trabajo es mostrar que en algunos de estos nuevos sis
temas, derivados del modelo de Lotka-Volterra, no se cumple tal afirmacion.
Varios de los modelos estudiados tienen mas de un punto de equilibrio positivo, y el comportamiento de las soluciones son altamente dependientes de las condiciones iniciales

Biografía del autor/a

Eduardo González Olivares, Pontificia Universidad Católica de Valparaíso, Chile.

Profesor titular Jubilado

Citas

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Publicado

2022-12-30

Cómo citar

González Olivares, E., López-Cruz, R., & Rojas-Palma, A. (2022). Uso de refugio por las presas: su impacto en la dinámica del modelo de Lotka-Volterra. Selecciones Matemáticas, 9(02), 287 - 301. https://doi.org/10.17268/sel.mat.2022.02.06

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