Figure 2
\({{\rm{NO}}}_{3}^{-}\) concentrations of forest watersheds in Ibaraki. Background was obtained from ©2016 Google Imagery and ©2016 TerraMetrics. Map was drawn by ggmap package63 via Google API.
Figure 2 | Scientific Reports
\({{\rm{NO}}}_{3}^{-}\) concentrations of forest watersheds in Ibaraki. Background was obtained from ©2016 Google Imagery and ©2016 TerraMetrics. Map was drawn by ggmap package63 via Google API.
