Fig. 3: Predicted distribution of CWM leaf nutrient plant traits.
From: Canopy functional trait variation across Earth’s tropical forests
a, Predicted distribution of a selection of CWM leaf nutrient plant traits. Red to orange show areas with low to intermediate trait values; light to dark blue depict areas with intermediate to high trait values. The remaining chemistry traits and the spatial predictions of their uncertainty are shown in Supplementary Figs. 8–13. b, Box plots showing the CWM trait distribution values for tropical American (AM), African (AF) and Asian (AS) forests, extracted from the spatial predictions. The horizontal black lines depict the median CWM trait value and vertical lines show the whiskers extending to the largest CWM trait value or not further than 1.5 times the interquartile range. For visualization purposes, we excluded the extreme lowest and highest 1% of values in the maps in a and outliers in b. CL, leaf carbon concentration; CaL, leaf calcium concentration; NL, leaf nitrogen concentration; PL, leaf phosphorus concentration. For statistical model results, see Supplementary Table 1. For the significance of differences between CWM trait mean values, obtained using a t-test with Bonferroni correction, see Supplementary Table 2.
