Emergence of individual behaviour at the population level. Effects of density-dependent migration on population dynamics.
The aim of this work is to study the effects of different individual behaviours on the overall growth of a spatially distributed population. The population can grow on two spatial patches, a source and a sink, that are connected by migrations. Two time scales are involved in the dynamics, a fast one corresponding to migrations and a slow one associated with the local growth on each patch. Different scenarios of density-dependent migration are proposed and their effects on the population growth are investigated. A general discussion on the use of aggregation methods for the study of integration of different ecological levels is proposed.
Auger
P
P
UMR CNRS 5558, université Claude-Bernard-Lyon-1, Villeurbanne, France. pauger@biomserv.univlyon1.fr
Poggiale
J C
JC
Charles
S
S
D000818:Animals; D001522:Behavior, Animal; D008433:Mathematics; D008954:Models, Biological; D011156:Population Density; D011157:Population Dynamics