Fig. 2From: The phytolith carbon sequestration in terrestrial ecosystems: the underestimated potential of bamboo forestThe phytolith and PhytOC (carbon occluded in phytoliths) contents of vegetation in terrestrial ecosystems. a–d stand for grassland, cropland, forest, bamboo ecosystems, respectively. The line represents the median of the data, and the x represents the average of the data in the box plotsBack to article page