Note: read.genepop is meant for DIPLOID DATA ONLY. Haploid data with
the Genepop format can be read into R using read.table or
read.csv after removing headers and 'POP' lines, and then converted
using df2genind.
References
Raymond M. & Rousset F, (1995). GENEPOP (version 1.2):
population genetics software for exact tests and ecumenicism. J.
Heredity, 86:248-249