Untransformed response ratios pertaining to UV-B effects on litter decomposition.

<p>Direct effects of elevated UV-B (a) and attenuated UV-B (b) as well as indirect effects of elevated UV-B (c) and attenuated UV-B (d) on litter decomposition. Dots with error bars denote the overall mean response ratio with a 95% CI. Wood denotes litter from woody plants; herbaceous denotes litter from herbaceous plants. Lab. denotes the study was carried out in a laboratory; field denotes the study was carried out in the field.