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. 2012 Jul 30;7(7):e42046. doi: 10.1371/journal.pone.0042046

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© 2012 Braun et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

PMC Copyright notice

Map of Central Europe comprising the locations of the investigated stream reaches (left panel), their plan view morphologies 2 km upstream of the sampled reach (middle) and a scheme of the nested sampling design (right panel). Open symbols in the right panel denote the reach scale grid (distances of 1 m), closed symbols denote the pool/riffle scale grid (distances of approx. 17 cm). Codes for the stream reaches are M = Moosach, W = Wiesent, G = Guenz, O = Grosse Ohe, P = Perlenbach, R = Suedliche Regnitz.