Fig. 5. (a) 3 x Altot flux in seepage water versus the combined (NO-3 + NH+4 + SO2-4) flux in throughfall; data divided into major bedrock classes. Plots only. (b) 3 x Altot flux in seepage water versus the combined (NO-3 + SO2-4) flux in seepage water; data divided into major bedrock classes. Plots only.