Articles | Volume 5, issue 2
https://doi.org/10.5194/soil-5-315-2019
https://doi.org/10.5194/soil-5-315-2019
Original research article
 | 
15 Nov 2019
Original research article |  | 15 Nov 2019

Short-range-order minerals as powerful factors explaining deep soil organic carbon stock distribution: the case of a coffee agroforestry plantation on Andosols in Costa Rica

Tiphaine Chevallier, Kenji Fujisaki, Olivier Roupsard, Florian Guidat, Rintaro Kinoshita, Elias de Melo Viginio Filho, Peter Lehner, and Alain Albrecht

Data sets

Soil carbon content, bulk densities, allophane and MIRS data on Aquiares Watershed (Costa Rica) T. Chevallier, K. Fujisaki, O. Roupsard, F. Guidat, R. Kinoshita, E. De Melo Viginio Fihlo, P. Lehner, and A. Albrecht https://doi.org/10.23708/RKOTNR

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Short summary
Soil organic carbon (SOC) is the largest terrestrial C stock. Andosols of volcanic areas hold particularly large stocks (e.g. from 24 to 72 kgC m−2 in the upper 2 m of soil) as determined via MIR spectrometry at our Costa Rican study site: a 1 km2 basin covered by coffee agroforestry. Andic soil properties explained this high variability, which did not correlate with stocks in the upper 20 cm of soil. Topography and pedogenesis are needed to understand the SOC stocks at landscape scales.