Thompson, Sarah, J2015-09-302015-09-302015-09-30https://hdl.handle.net/11299/174565The csv file documents the species observed at various point count stations in 14 Waterfowl Production Area sites. Measurements about the surrounding vegetation were included. Each of the 18493 rows is a record for a particular SPECIES observed at specified time and location. The R code file runs on R and imports the CSV file. The R code was written in R version 3.1.2.These files contain R code and data required for analsyes detailed within "Grassland birds demonstrate delayed response to large-scale tree removal in central North America" in the Journal of Applied Ecology. The lead author wrote this code to analyze multi-year point count data collected in west-central Minnesota. The purpose of the study was to assess the success of habitat restoration activities aimed at removal of encroaching trees and shrubs.tree removalbirdsBefore-After Control-Impacthabitat restorationgrasslandDatasethttp://dx.doi.org/10.13020/D6C88M