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Fig. 2


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Mean coverage of boulders, gravel, sand, and silt for the treatment groups boat (deep), boat (shallow), scythe, and uncut. For intervals corresponding to scale values see Supplementary material Table S1. Capital letters indicate significant differences between groups (Bonferroni post hoc test; <0.05) where treatment groups with different capital letters are significantly different. Error bars indicate standard error.

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