Coordinates of Sampling Locations at Lake Balaton and raw data including environmental variables water temperature (°C), Secchi depth (m), water depth (m), total dissolved solids (TDS, mg/L), total suspended materials (TSM, mg/L), and chlorophyll-a (chl-a, µg/L); and concentration of eDNA from bigheaded carps, including silver carp (<i>Hypophthalmichthys nobilis</i>), bighead carp (<i>H. molitrix</i>), and their hybrids (copies/L).

Coordinates of Sampling Locations at Lake Balaton and raw data including environmental variables water temperature (°C), Secchi depth (m), water depth (m), total dissolved solids (TDS, mg/L), total suspended materials (TSM, mg/L), and chlorophyll-a (chl-a, µg/L); and concentration of eDNA from bigheaded carps, including silver carp (Hypophthalmichthys nobilis), bighead carp (H. molitrix), and their hybrids (copies/L).