sampling.id	Identification for one of 356 (Mustoja river file) or 317 (Altja river file) brown trout individuals
subsequent.columns	all following columns contain fragment lengths for allele 1 (column name ending with "-1") and allele 2 (ending with "-2") for each of 14 short tandem repeat loci. Alleles are given in fragment length (in 3-digit format) and missing data is indicated by "0"