Fig. 7From: Spring waters as an indicator of nitrate and pesticide pollution of rural watercourses from nonpoint sources: results of repeated monitoring campaigns since the early 2000s in the low mountain landscape of Saarland, Germany2018 concentrations of nitrate and pesticides (including transformation products) in selected springs in 2019 (blue = nitrate median of 12 monthly measurements; red = number of detected pesticides)Back to article page