@article{fdi:010064672, title = {{F}rom the {L}otka-{V}olterra model to a spatialised population-driven individual-based model}, author = {{T}hierry, {H}. and {S}heeren, {D}. and {M}arilleau, {N}icolas and {C}orson, {N}. and {A}malric, {M}. and {M}onteil, {C}.}, editor = {}, language = {{ENG}}, abstract = {{T}he modelling of predator prey dynamics is of great importance in ecology. {M}odels based on differential equations aim to understand the interactions between populations of prey and predators at population scale, but they are unable to handle spatial and individual behaviour heterogeneities (individual scale). {I}n this study, a population-driven individual-based model is proposed that has been developed from the archetypical {L}otka-{V}olterra model. {T}he population scale was retained for processes with slower dynamics, such as reproduction for both species and the natural death of predators. {T}he individual scale was only used for the predation process, defining local rules for individual movements of prey and predators (related to a perception distance of predators and the presence of shelters for prey in the spatial environment) and to locate births and deaths. {T}his model was compared with the {L}otka-{V}olterra model. {S}imulations were able to exhibit the overall classic periodic evolution of population sizes with local variations. {T}he effects of spatial heterogeneity were then explored through a range of prey refuge densities. {T}he model was implemented on the {N}etlogo platform. {T}his work illustrates how both individual and population scales may be linked through methodological choices in order to focus on the impacts of spatialisation and take into account the effects of spatial and individual heterogeneities.}, keywords = {{I}ndividual-based model ; {P}opulation-driven model ; {P}rey predator ; interactions ; {R}efuge ; {S}patiotemporal scales ; {P}opulation dynamics}, booktitle = {}, journal = {{E}cological {M}odelling}, volume = {306}, numero = {{SI}}, pages = {287--293}, ISSN = {0304-3800}, year = {2015}, DOI = {10.1016/j.ecolmodel.2014.09.022}, URL = {https://www.documentation.ird.fr/hor/fdi:010064672}, }