Data and R code for: Beyond the treeline: Are wood-nesting bees and wasps limited by nesting habitat at high elevations?

Although climate suitability is often thought to be the most important determinant of species ranges, non-climate variables such as biotic interactions, dispersal abilities, and habitat quality may play equally important roles as range-limiting factors. For some organisms, the constraints imposed by these non-climate variables may explain their failure to establish in novel habitats that appear suitable with respect to climate. Determining whether or not organisms can respond to rising temperatures via range shifts, therefore, requires understanding the extent to which non-climate variables limit species ranges. We examined the potential for range shifts in montane populations of wood-nesting bees and wasps in the Colorado Rocky Mountains and assessed the extent to which future range shifts to higher elevations may be limited by the lack of wood substrates beyond treeline. We tracked wood-nesting bee and wasp occupancy in artificial wooden nesting structures placed at increasing elevati..., , # Data and R scripts for: *Beyond the treeline: Are wood-nesting bees and wasps limited by nesting habitat at high elevations?*

*Ecology, 2026*
**Lydia H. Wong & Jessica R. K. Forrest**
**Correspondence:** [[e-mail]](mailto:[e-mail])

This README file describes the data package \"data_and_scripts_wong_and_forrest_ecol_2026.zip\" which accompanies the above publication.

## File structure and organization

The folder and associated R project file: data_and_scripts_wong_and_forrest_ecol_2026 contains two sub-folders: (1) data and (2) scripts. The workflow is as follows:

`data > raw` --> `scripts > compile` --> `data > compiled` --> `scripts > analysis`

1. The R scripts in the `scripts > compile` sub-folder read from CSV files containing raw data in the `data > raw` sub-folder. The scripts write CSV files containing compiled data to the `data > compiled` sub-folder.
2. The R scripts in the `scripts > analyse` sub-folder read from the CSV files containing compiled dat..., ,