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(A) The mean number (particles m−3) of fibers and fragments found in the surface water of the studied tundra lakes and (B) a correlation between the number of fibers and the distance from the field station. The percentages of the different types of fibers are shown: PET and semi-synthetic cellulosic rayon. The bars that share the same letter are not significantly different. Dotted lines represent confidence intervals. The error bars represent ±1SE.
