Fig. 3From: The phytolith carbon sequestration in terrestrial ecosystems: the underestimated potential of bamboo forestSoil phytolith (a) and PhytOC (carbon occluded in phytoliths) (b) carbon content in terrestrial ecosystems. Capital letters represent differences between different soil depths in the same type of ecosystem, and lowercase letters represent differences between the same soil depths in different ecosystemsBack to article page