Monitoring spawning migrations of potamodromous fish species via eDNA

Dataset for the titled publication. The file includes data of environmental variables, eDNA concentrations obtained from filtered water samples and fish counts, all obtained during the 2017 spawning season of <em>Alburnus mento</em> and <em>Vimba vimba </em> in the river Zeller Ache. Environmental variables and eDNA samples were measured / taken at two points in the rivers (data sheets ZA1 and ZA3), fish were counted in seven river sections, and daily discharge was provided by an automatic measurement station at the most upstream river section.<br>See the "readme" tab for detailed information contained in the two tabs named "ZA1" and "ZA3".