Grasshopper Sparrow Data

Data collected on the breeding status of the Grasshopper Sparrow by the second Iowa Birding Bird Atlas (BBAII), recorded 791 (3x3 mi2) locations over Iowa in 2008–2012. Original data sourced from https://iowabba2.org.
This data has been joined to groundcover measurements from the U.S. Geological Survey (USGS). For each location, USGS data allow computation of an average percentage of area attributable to grass, trees, and covers other than crops, as well as the number of cover types within an area. These values have been calculated for both a circle that inscribes the 3x3 mi2 locations, as well as one that encompasses the locations. Each value is calculated based on satellite data from 2008 and 2019, separatetely. Original data sourced from https://www.mrlc.gov.
Data includes:
lat: latitude of the center of the observed locationlong: longitude of the center of the observed locationgrid: TRUE/FALSE indicator of if the observed location lies on the gridcolor: color encoded on the BBAII map, indicating breeding status at the observed locationcounty: county name housing the observed locationcomments: comments made by the observersparrow_breeding: TRUE/FALSE indicator of the Grasshopper Sparrow either suspected or observed breedingpercent_grass_inside_2008: percentage of area attributable to grass in a circle inscribing the 3x3mi2 location from 2008percent_grass_outside_2008: percentage of area attributable to grass in a circle encompassing the 3x3mi2 location from 2008percent_trees_inside_2008: percentage of area attributable to trees in a circle inscribing the 3x3mi2 location from 2008percent_trees_outside_2008: percentage of area attributable to trees in a circle encompassing the 3x3mi2 location from 2008percent_not_crop_inside_2008: percentage of area attributable ground covers other than crops in a circle inscribing the 3x3mi2 location from 2008percent_not_crop_outside_2008: percentage of area attributable ground covers other than crops in a circle encompassing the 3x3mi2 location from 2008number_covers_inside_2008: number of cover types within a circle inscribing the 3x3mi2 location from 2008number_covers_outside_2008: number of cover types within a circle encompassing the 3x3mi2 location from 2008percent_grass_inside_2019: percentage of area attributable to grass in a circle inscribing the 3x3mi2 location from 2019percent_grass_outside_2019: percentage of area attributable to grass in a circle encompassing the 3x3mi2 location from 2019percent_trees_inside_2019: percentage of area attributable to trees in a circle inscribing the 3x3mi2 location from 2019percent_trees_outside_2019: percentage of area attributable to trees in a circle encompassing the 3x3mi2 location from 2019percent_not_crop_inside_2019: percentage of area attributable ground covers other than crops in a circle inscribing the 3x3mi2 location from 2019percent_not_crop_outside_2019: percentage of area attributable ground covers other than crops in a circle encompassing the 3x3mi2 location from 2019number_covers_inside_2019: number of cover types within a circle inscribing the 3x3mi2 location from 2019number_covers_outside_2019: number of cover types within a circle encompassing the 3x3mi2 location from 2019This data is used in the following paper
Biswas, E., Kaplan, A., Kaiser, M. S., and Nordman, D. J. (2024+). A formal goodness-of-fit test for spatial binary Markov random field models.