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Fig. 1 | Environmental Sciences Europe

Fig. 1

From: Food web on ice: a pragmatic approach to investigate the trophic magnification of chemicals of concern

Fig. 1

Dual stable isotope plot of δ13C vs. δ15N (as per mill) of the samples retrieved from the Lake Templin food web. Error bars display the measuring error from the duplicate analysis of individuals with the exception of the diamond shaped filled diamond ◆ points. The error bars of the diamond shaped points display the weighed standard deviation of the δ13C and δ15N values of the individual fish of the composite sample. Weighed means and standard deviations were calculated in proportion to the individual samples respective mass in the composite sample (cf. Additional file 1: D)

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