Sum 6 ndl-PCB excl. LOQ
Sum of non-dioxin-like (ndl) PCBs: PCB 28, PCB 52, PCB 101, PCB 138, PCB 153, and PCB 180. These six congeners are also called indicator PCBs or ICES-6. The calculation of the sum, all values of the individual congeners that are below the limit of quantification are set equal to the limit of quantification. The calculation is performed according to the upperbound concentration method: upperbound concentrations are calculated on the assumption that all the values of the different congeners below the limit of quantification (LOQ) are equal to the limit of quantification.
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.
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A major primary producer in semi-natural and anthropogenic affected ecosystems.
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The roe deer is the most common of the larger herbivores (first order-consumer) to be found in the wild in Europe.
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Student groups with an even number of female and male students at the age of 20 to 29.
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Sampling area
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The only high mountains national park in Germany and an area of the Limestone Alps with international relevance
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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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Germany's first national park
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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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Germany's largest forest national park
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Second highest and largest low mountain range in Northern Germany
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Germany's largest connected forest area in a range of low mountains
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The Upper Bavarian Tertiary Uplands are a part of the Southern German Molasse Basin
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Second largest river in Europe
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4 university cities as sampling areas.
Sampling period
1998 - 2023