6533b7d6fe1ef96bd12670de

RESEARCH PRODUCT

Role of sub- and super-Poisson noise sources in population dynamics

A.v. KargovskyDavide ValentiO. A. Chichigina

subject

Statistics and Probabilityeducation.field_of_studyStochastic processCorrelation functions Fluctuation phenomena Population dynamics Stochastic processesDynamics (mechanics)PopulationShot noiseStatistical and Nonlinear PhysicsStatistical physicsStatistics Probability and UncertaintyeducationMathematics

description

In this paper we present a study on pulse noise sources characterized by sub- and super-Poisson statistics. We make a comparison with their uncorrelated counterpart. i.e. pulse noise with Poisson statistics, while showing that the correlation properties of sub- and super-Poisson noise sources can be efficiently applied to population dynamics. Specifically, we consider a termite population, described by a Langevin equation in the presence of a pulse noise source, and we study its dynamics and stability properties for two models. The first one describes a population of several colonies in a new territory with adverse environmental conditions. The second one considers the development of a single colony under the influence of attacks by predators.

https://doi.org/10.1088/1742-5468/abb369