README for data files associated with the article: “Ecological dispersal barrier across the equatorial Atlantic in a migratory planktonic copepod” – Authors: E. Goetze, P. T. Hüdepohl, C. Chang, L. Van Woudenberg, M. Iacchei, K. T. C. A. Peijnenburg (2016). published in Progress in Oceanography - AMT special volume. Data published online in January, 2017. Please refer to the paper for methodological details. If you have further questions, please contact the corresponding author (Dr. Erica Goetze): egoetze[at]hawaii[dot]edu. The data files included in this archive were used in all population genetic analyses, which only included stations with sample sizes N > 40. Data files included in this archive: (1) Table 1 from Goetze et al. with an overview of population samples included in this study. Goetze_et_al_Table1.xlsx (2) A fasta file with all haplotypes. Goetze_et_al_2016_all_haplotypes.fasta (3) An arlequin infile. Goetze_et_al_2016_plxi_mtCOI.arp (4) A population report file that describes the mtCOI haplotype composition of each sample. Goetze_et_al_2016_pop_report.html In addition, mtCOI sequences representing unique haplotypes from this study are available under GenBank accession numbers KT429028 - KT429159. data acquisition funded under NSF grants OCE-1029478 and OCE-1338959 (to E. Goetze) Contact: Erica Goetze for any questions, or for subsequent use of these data.