packages.bib

  @Manual{raster,
    title = {raster: Geographic Data Analysis and Modeling},
    author = {Robert J. Hijmans},
    year = {2019},
    note = {R package version 3.0-7},
    url = {https://CRAN.R-project.org/package=raster},
  }

@Article{sf,
    author = {Edzer Pebesma},
    title = {{Simple Features for R: Standardized Support for Spatial Vector Data}},
    year = {2018},
    journal = {{The R Journal}},
    doi = {10.32614/RJ-2018-009},
    url = {https://doi.org/10.32614/RJ-2018-009},
    pages = {439--446},
    volume = {10},
    number = {1},
  }

@Manual{rnaturalearth,
    title = {rnaturalearth: World Map Data from Natural Earth},
    author = {Andy South},
    year = {2017},
    note = {R package version 0.1.0},
    url = {https://CRAN.R-project.org/package=rnaturalearth},
  }

  @Manual{ggspatial,
    title = {ggspatial: Spatial Data Framework for ggplot2},
    author = {Dewey Dunnington},
    year = {2018},
    note = {R package version 1.0.3},
    url = {https://CRAN.R-project.org/package=ggspatial},
  }

@Manual{gridExtra,
    title = {gridExtra: Miscellaneous Functions for "Grid" Graphics},
    author = {Baptiste Auguie},
    year = {2017},
    note = {R package version 2.3},
    url = {https://CRAN.R-project.org/package=gridExtra},
  }

@article{worldclim,
  title={Very high resolution interpolated climate surfaces for global land areas},
  author={Hijmans, Robert J and Cameron, Susan E and Parra, Juan L and Jones, Peter G and Jarvis, Andy},
  journal={International Journal of Climatology: A Journal of the Royal Meteorological Society},
  volume={25},
  number={15},
  pages={1965--1978},
  year={2005},
  publisher={Wiley Online Library}
}