Special thanks to the National Science Foundation

Collection of the the data provided in this repository was supported by awards from the National Science Foundation to Colorado State University (DEB 0717367, 1147369, 1655035)

Description of data collection

Experimental and sampling designs as well as descriptions of data collection procedures can be found in:
Hobbs, N. T., D. B. Johnston, K. N. Marshall, E.C. Wolf, and D. J. Cooper. Does restoring apex predators to food webs restore ecosystems? Large carnivores in Yellowstone as a model system. Ecological Monographs. In press.

Description of data files

• fall_height_data_2001_2020.csv contains annual measurements of height of individual willows at the end of the growing season. Metadata are found in fall_height_data_metadata.pdf.
• browsing_data_2003_2020.csv contains annual plant level observations of the number of stems browsed out of a sample of observed stems on individual willow plants during spring. Meta data are found in browsing_data_metadata.pdf
• well_data_2002_2020.csv contains monthly measurements of water table depth during the growing season. Metadata are found in well_metadata.pdf
• bison numbers revised.csv and Bison_data_2003_2020.csv contain annual counts of bison on the northern range. Metadata are found in Bison_count_metadata.pdf
• Camera_Master_2012-2015 contains analysis of images from camera traps. Metadata are found in camera_trap_metadata.pdf
• corrected_elk counts_09Jul2023_Park_only.csv contains sightability corrected counts of elk on the northern range. Metadata are found in corrected_elk counts_09Jul2023_Park_only_metadata.pdf
• NR_cougar_density.csv contains estimates of cougar density on the northern range. Metadata are given in NR_cougar_density.pdf
• wolf_1995_2022_population_ynp_nr_nnrr.csv contains annual counts of wolves on the northern range. Metadata are found in wolf_1995_2022_population_ynp_nr_nnrr_metadata.pdf
• beaver_site_height_data_2015_2019 contains observations of height at beaver-occupied, observational, and experimental sites during fall. beaver_height_data_metadata.pdf contains associated metadata
• Site_names_and_locations.csv gives the names of sites and their locations in utm's