Pooled sequencing data of field-collected Eurytemora affinis copepods from nine locations in North America collected October 2012 to March 2014

This dataset consists of pooled whole-genome sequencing data (Pool-seq) of Eurytemora affinis complex copepods collected from nine locations across North America. Each sample consists of 100 pooled individuals with an approximate 1:1 sex ratio, sequenced using the Nextera DNA library preparation kit and Illumina HiSeq platform. Population sampling targeted nine wild populations of the E. affinis complex from two genetically distinct lineages (the Gulf and Atlantic clades) including both native saline and invaded freshwater locations. The data were generated to investigate evolutionary genomic factors underlying successful invasion of freshwater habitats and were collected by Drs. Martin Bontrager, David B. Stern, and Carol E. Lee of the University of Wisconsin-Madison.本数据集包含采自北美9个采样点的尖额真哲水蚤复合种群（Eurytemora affinis complex）桡足类的混池全基因组测序数据（Pool-seq）。每个样本由100只混池个体组成，性别比例近似1:1，采用Nextera DNA文库制备试剂盒及Illumina HiSeq测序平台完成测序。本次种群采样覆盖该复合种群的9个野生种群，分属两个遗传分化显著的支系——墨西哥湾支系与大西洋支系，涵盖原生咸水种群及入侵淡水种群。本数据集旨在探究淡水生境成功入侵背后的进化基因组学机制，由威斯康星大学麦迪逊分校的Martin Bontrager、David B. Stern及Carol E. Lee三位博士完成数据采集与生成。