"Marginal agricultural lands are defined here by suboptimal biophysical conditions and historically variable or low agricultural production. We characterize these areas using remotely sensed information to disentangle the biophysical and possible social factors driving marginality."—Peter et al. 2018
Peter, B. G., Messina, J., and Snapp, S. 2018. A multi-scalar approach to mapping marginal agricultural land: smallholder agriculture in Malawi. Annals of the American Association of Geographers 108(4):989–1005.
Creating a palette of 16 meaningful and distinct colors can be tough. The colors selected here were inspired by the 16-color palette featured in the Apple Computer Macintosh II (System 4.1) released in 1987.