Droz, Michel; Pe¸kalski, Andrzej - In: Physica A: Statistical Mechanics and its Applications 362 (2006) 2, pp. 504-512
Using a Monte Carlo approach we study a simple lattice model of populations living in a habitat where the external conditions are changing in space and in time. We show that above a certain value of the climatic gradient, the population gathers at a restricted part of the lattice. The average...