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. 2014 Apr 22;50(4):3342–3354. doi: 10.1002/2013WR015197

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© 2014. The Authors.

This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

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Scatterplot of the different preferential flow indicators (DC: dye coverage (%); UniFr: uniform infiltration depth (cm); PF-fr: preferential flow fraction (%); LI: length index; PI: peak index) and steady state infiltrability (Inf) versus distance from the sampling point to the nearest tree stem for the open areas (n = 6). Error bars indicate standard error of the mean (n = 6, only for preferential flow indicators). Spearman's rho statistic (r_s) and P values for the Spearman's correlation test are shown. A linear regression is also shown for illustrative purposes only.