Bioclimatic, demographic, and anthropogenic correlates of grizzly bear activity patterns in the Greater Yellowstone Ecosystem

This is the dataset we used for analyses in the corresponding article (10.1002/oik.11851). We investigated diel activity of grizzly bears in the Greater Yellowstone Ecosystem as a function of anthropogenic landscape modification, maximum daily ambient temperature, drought severity, and bear density. Specifically, we used accelerometry readings of 169 bears (39 females, 130 males) from 2009 to 2022 to compute three complementary activity measures (hourly intensity of activity, daily active minutes, and active bout length), each used as a response variable within a Bayesian modeling framework. Missing values, when present, are indicated with “NA”. Please see the corresponding article for details on how each variable was obtained. Independent Variables id: unique bear ID date: date of data registration sex: 1=female, 2=male coh3: 1=females with dependent offspring, 2=lone females, 3=males age_cat: 1=subadult (2/4 years old), 2=adult (>= 5 years old) season: 1=mating, 2=summer, 3=hyperphagia listening: listening period (minutes) t_period: classification of diel period based on Sun altitude bear_dens: bear density in 196-km2 grid cells drought: Palmer drought severity index values tmx: maximum daily ambient temperature (°C) human: global human modification of terrestrial systems (GHM) index hour: hour of the day Response Variables active_mins: active bout length (minutes) active: daily active minutes (inactive: daily minutes of inactivity) Activity: hourly intensity of activity (adimensional)