Fig. 1: Map of the southern Baltic Sea showing sampling locations and monitoring data of Copper concentrations.
From: Intraspecific variation in metal tolerance modulate competition between two marine diatoms

Locations are Askö (B1: phytoplankton monitoring data), Gropviken (GP: retrieval site of strains used in this study), and Gåsfjärden (VG: copper mining site with elevated metal tolerance amongst S. marinoi strains compared with GP [16]). Colored dots show reported monitoring data of surface water concentrations of copper from ICES, IVL, and SLU databases. Note that for sites with multiple measurements only the maximum value is shown (see Appendix A for full data and method description).