NPS herbicide usage data, Wagner et al. (2016d)

NPS herbicide usage data used in the publication<br>"Wagner, V., Antunes, P.M., Irvine, M., Nelson, C.R. (2016) Herbicide usage for invasive non-native plant management in wildland areas of North America. Journal of Applied Ecology"<br><br>Imported dataset was cleaned so that only rows that refer to exotic plant control were included, i.e. only rows with Purpose with "exotic plant control" or "exotic species control.<br><br>Excluded rows encompassed the following categories in "Purpose":"Alfalfa", "Corn", "Employee/Visitor Safe", "Forest protection", "Greenhouse Plants", "Historical Preserv.", <br>"Lawn/Turf Management", "Ornamental protect", "Other", "Past. protect.", "Research", "Public health", <br>"Roadside/trail maint", "Site protect/restore", "Soybean", "Structural Protection", "Utility right-of-way", <br>"wheat", and empty cells in "Purpose"<br><br>See accompanying R script (10.6084/m9.figshare.3386032) and publication for more details on data preparation and analysis.<br><br><br>