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Fig. 5 | Environmental Sciences Europe

Fig. 5

From: Fish health in the Nidda as an indicator for ecosystem integrity: a case study for Central European small streams in densely populated areas

Fig. 5

Concentrations of contaminants in Nidda sediments from N1, N2, N3 and N6 referring to kg dry weight; a fluoranthene; b benzo(a)pyrene; c HCB; d chromium; e copper; f lead; g nickel; h zinc and i sum of indicator PCBs. Metal(loid)s were analysed in the  < 63 µm fraction. The six indicator PCBs include PCB 28, PCB 52, PCB 101, PCB 138, PCB 153 and PCB 180

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