R (>= 3.1.0), terra, grDevices, graphics, methods, stats
maps, raster, XML, geosphere, maptools, sp
XML, geosphere, fields, maptools, sp, rgdal
XML, geosphere, fields, maptools, sp, rgdal, rgeos, methods
testthat, devtools, knitr, rmarkdown, dplyr, kableExtra,
ggplot2