10.1371/journal.pcbi.1004290.g002 Pierre Broly Pierre Broly Jean-Louis Deneubourg Jean-Louis Deneubourg According to the initial retention time of individuals, the dynamics of dispersion of groups of 40 woodlice (a) and the time necessary to disperse 50% of the population introduced (half-life time) (b). Public Library of Science 2015 transition dynamic stability isopod individual Behavioural Contagion laboratory species recurrence density group cohesion adaptive values mechanism conspecific influence aggregation understanding Social Crustacean disturbance behavioural states variable model data group size interaction stimulus groups decreases response woodlice nature organism perturbation context 2015-06-11 03:00:41 Figure https://plos.figshare.com/articles/figure/_According_to_the_initial_retention_time_of_individuals_the_dynamics_of_dispersion_of_groups_of_40_woodlice_a_and_the_time_necessary_to_disperse_50_of_the_population_introduced_half_life_time_b_/1446443 <p>According to the initial retention time of individuals, the dynamics of dispersion of groups of 40 woodlice (a) and the time necessary to disperse 50% of the population introduced (half-life time) (b).</p>