Continent-wide calibration of camera-trap metrics reveals low population densities in the European wildcat
Carolina Nogueira, Beatriz S. G. Alves, Stefano Anile, Javier Barona, Matteo Luca Bastianelli, Tamara Burgos, Marco Catello, Gonçalo Curveira‐Santos, Francisco Díaz‐Ruiz, Pau Federico, Christian Fiderer, Urša Fležar, Peter Gerngross, José María Gil‐Sánchez, Maik Henrich, , Pedro Monterroso
The paper evaluates alternative metrics for estimating wildlife population density using camera-trap data and finds that Space to Event (STE) provides reliable estimates in data-poor populations, while other metrics show weaker relationships.
bioRxiv · Jul 7, 2026 · PreprintEcology