WHO(2005)-PCDD/F+PCB-TEQ excl. LOQ
Sum of dioxins (PCDD/Fs) and dioxin-like PCBs (DL-PCBs), expressed as WHO toxic equivalent (TEQ) using the WHO-TEFs(2005), calculation by using lowerbound concentrations: lowerbound concentrations are calculated on the assumption that all the values of the different congeners below the limit of quantification (LOQ) are zero.
Specimen
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Bioindicator in rivers and lakes
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As the only viviparous fish in German nearshore waters, it is a bioindicator in nearshore coastal marine ecosystems.
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Inshore, the herring gull mainly feeds from the sea: upon fish, mussels, and crabs.
Sampling area
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Important, old-industrialised conurbation in Germany.
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Main water divide between the North- and Baltic Sea
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Longest river in Germany
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National Park in the largest brackish water (Bodden) habitat of the world.
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National park in the world largest connected sand and mud flats.
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Fourth largest river basin in Central Europe
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Region in the chemical triangle of Central Germany
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Second largest river in Europe
Sampling period
2003 - 2023