Marmot capture history data and growing season length data

Seasonal environmental conditions shape the behavior and life history of virtually all organisms. Climate change is modifying these seasonal environmental conditions, which threatens to disrupt population dynamics. It is conceivable that climatic changes may be beneficial in one season but result in detrimental conditions in another because life-history strategies vary between these time periods. We analyzed the temporal trends in seasonal survival of yellow-bellied marmots (Marmota flaviventer) and explored the environmental drivers using a 40-y dataset from the Colorado Rocky Mountains (USA). Trends in survival revealed divergent seasonal patterns, which were similar across age-classes. Marmot survival declined during winter but generally increased during summer. Interestingly, different environmental factors appeared to drive survival trends across age-classes. Winter survival was largely driven by conditions during the preceding summer and the effect of continued climate change was ..., We used data from the population located in the Upper East River Valley, Colorado, in and around the Rocky Mountain Biological Laboratory (RMBL), which has been studied since 1962. The population comprises four main colonies and 12 satellite colonies distributed between 2,700 and 3,100 m above sea level. We used live trapping data of yellow-bellied marmots from 1979 to 2018 (an interval during which we had high-quality environmental data and extensive trapping effort) to construct capture histories for each individual. Individuals were marked with both fur dye and permanent ear tags with unique ID numbers (59). Individuals were also weighed during each capture., Body mass data have been log transformed. Growing season length data are in number of days. There are no missing values. The complete flowering phenology dataset used to calculate growing season length is archived at https://osf.io/ jt4n5/., # Marmot capture history data and growing season length data

We used live trapping data of yellow-bellied marmots from 1979 to 2018. Individuals were marked with both fur dye and permanent ear tags with unique ID numbers. Individuals were also weighed during each capture. We used data on growing season length which is the number of days between first and last flower.

## Description of the data and file structure

The \"dryad_capture_histories_age_logbm\" datafile contains capture history data for each female marmot included in the analysis. Each row therefore represents an individual marmot. The first column (ch) contains the capture history data starting XXX, followed by the time varying individual covariates of age and body mass (bm).

The \"dryad_RMBL_growing_season_length\" datafile contains two columns, namely the year and the growing season length in number of days.

## Sharing/Access information

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