grasshopper model map
A team of researchers used historical grasshopper outbreak data, combined with geographic information system-based climate variables and landscape variables, to develop a model for forecasting grasshopper outbreaks. The map here shows observed versus predicted (outbreak risk) mean grasshopper density levels in north central Wyoming for July from multiple regression modeling for 2012–2016. (Image originally published in Kistner et al. 2021, Journal of Economic Entomology)