Articles | Volume 13, issue 9
Earth Syst. Sci. Data, 13, 4263–4274, 2021
https://doi.org/10.5194/essd-13-4263-2021
Earth Syst. Sci. Data, 13, 4263–4274, 2021
https://doi.org/10.5194/essd-13-4263-2021

Data description paper 31 Aug 2021

Data description paper | 31 Aug 2021

A global map of root biomass across the world's forests

Yuanyuan Huang et al.

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Short summary
Roots play a key role in our Earth system. Here we combine 10 307 field measurements of forest root biomass worldwide with global observations of forest structure, climatic conditions, topography, land management and soil characteristics to derive a spatially explicit global high-resolution (~ 1 km) root biomass dataset. In total, 142 ± 25 (95 % CI) Pg of live dry-matter biomass is stored belowground, representing a global average root : shoot biomass ratio of 0.25 ± 0.10.