Citizen sciences for monitoring species relative abundances - Camille CORON

This presentation is based on a joint work with Clément Calenge (ONCFS), Christophe Giraud (U. Paris-Sud) and Romain Julliard (MNHN). Our aim is to estimate abundances of common species by combining standardized and opportunistic data. We consider a habitat-structured space and take into account and distinguish the respective preferences of observers and of each observed species for habitats. The space is divided into sites and we estimate the relative abundances of each species between any two sites. To this aim we model the behavior of both observers and observed individuals, and estimate parameters of the model.