2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/217421In this paper a stochastic reaction diffusion system is considered, which models the spread of a finite population reacting with a non-renewable resource in the presence of individual based noise. A two-parameter phase diagram is established to describe the large time evolution, distinguishing between certain death or possible life of the population.ProbabilityAnalysis of PDEs60H15; 35K57text