This is the accepted version of the following article: Kettle H, Holtrop G, Louis P, Flint HJ. microPop: Modelling microbial populations and communities in R. Methods Ecol Evol. 2018;9:399–409., which has been published in final form at DOI: 10.1111/2041-210X.12873. This article may beused for non-commercial purposes in accordance with the Wiley Self-Archiving Policy [http://olabout.wiley.com/WileyCDA/Section/id-828039.html].