Data from: Seasonal and anthropogenic effects on niche overlap and habitat selection by sympatric bears (Ursus arctos marsicanus) and wolves (Canis lupus) in a human-dominated landscape

During 2005−2010, we investigated interactions between brown bears (n=19)
and wolves (n=7) by means of GPS-telemetry in a long-established national
park in the central Apennines, Italy, where bears and wolves always
coexisted close to humans. Based on K-select analysis and a randomization
approach we assessed the extent of overlap between the species'
niches on a seasonal basis. In additon, we used multi-species Resource
Selection Functions (RSFs) at the 3rd-order selection (i.e., home range
level) to investigate their habitat choice taking into account an
intraguild predictor (i.e., the probability of occurrence n te other
species). Bears and wolves clearly segregated in fall but not during
summer, when the overlap between their realized niches suggests a
convergent adaptation to a seasonal peak of anthropogenic pressure. Using
multi-species RSFs, however, habitat choice by bears and wolves differed
also when their niches overlapped, and their probability of occurrence was
reciprocally affected.