Analysis the model of co-existing of species, which competing on spatially inhomogeneous area

Authors

  • Kruglikov M.G. Southern Federal University, Rostov-on-Don, Russian Federation
  • Tsybulin V.G. Southern Federal University, Rostov-on-Don, Russian Federation

UDC

519.63

EDN

TWTYNR

Abstract

Modeling of population dynamics on the inhomogeneous area is based on a system of nonlinear parabolic equations with variable coefficients. We apply the theory cosymmetry to analyze different scenario of coexistence of populations consuming a single resource. Appearence of a continuous family of steady states is found under the some conditions on the parameters of diffusion and growth. Theoretical analysis is justified by computer simulations based on the method of lines and staggered grids scheme. The case of two populations on the one-dimensional habitat (ring) is studied numerically. It was found that after destruction of cosymmetry the family of steady states may transform to a stable configuration of coexisting species. The corresponding maps of growth parameters are presented.

Keywords:

population dynamics, nonlinear parabolic equations, cosymmetry, carrying capacity, method of lines

Funding information

Исследование проводилось при финансовой поддержке РФФИ (14-01-00470).

Authors info

  • Mikhail G. Kruglikov

    аспирант кафедры вычислительной математики и математической физики Южного федерального университета

  • Vyacheslav G. Tsybulin

    д-р физ.-мат. наук, профессор кафедры кафедры вычислительной математики и математической физики Южного федерального университета

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Pages

56-64

Section

Article

Dates

Submitted

May 22, 2015

Accepted

June 3, 2015

Published

June 25, 2015

How to Cite

[1]
Kruglikov, M.G., Tsybulin, V.G., Analysis the model of co-existing of species, which competing on spatially inhomogeneous area. Ecological Bulletin of Research Centers of the Black Sea Economic Cooperation, 2015, № 2, pp. 56–64.

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