Abstract
This is an excerpt from the contentThis special issue of Acta Biotheoretica is a selection of papers presented at the 4th international conference of the Francophone Society of Theoretical Biology which was held from 03-05 June, 2013 in Dakar . This outstanding international scientific meeting was organized by the Francophone Society of Theoretical Biology, the International Joint Unit on Mathematics and Computer Modeling of Complex Systems , the Research Institute for Development and Dakar Cheikh Anta Diop University . The conference was, also, sponsored by the African Institute of Mathematical Science of Senegal and the Developing Countries committee of the Sciences Academy of the Institute of France.The main theme of the conference focused on the Dynamics of populations, epidemiology and renewable resources. A hundred papers were presented over 3 days, in four thematic sessions: a general session, a session on systems modeling of fisheries, a session on mod