@article{fdi:010019895, title = {{B}iogenic silica storage in soils}, author = {{M}eunier, {J}.{D}. and {C}olin, {F}abrice and {A}larcon, {C}.}, editor = {}, language = {{ENG}}, abstract = {{T}he role of plants in soils development has become of crucial interest in quantifying global weathering processes. {O}n the volcanic {R}eunion {I}sland ({I}ndian {O}cean), 1 15-cm-thick phytolith-rich horizon (biogenic opal-{A}) developed at the expense of trachytic ashes between 3820 + or - 85 and 335 + or - 90 yr {B}.{P}. then, 97-138 t/km2/yr of {S}i{O}2 were biogeochemically recycled from the weathering of parent rocks through a past forest of bamboos (#{N}astus borbonicus$). {T}his rate is in the same range as the present chemical weathering rates of silica in the area, considered to be among the highest in the world. {T}hese results demonstrate that the storage of biogenic silica in soils may be significant and may retard the output of silica to rivers and ocean. ({R}{\'e}sum{\'e} d'auteur)}, keywords = {{DEGRADATION} {DU} {SOL} ; {ALTERATION} ; {VEGETATION} ; {SILICE} ; {CYCLE} {BIOGEOCHIMIQUE} ; {STOCKAGE} ; {BIOMASSE} ; {ANALYSE} {MINERALOGIQUE} ; {HORIZON} ; {REUNION}}, booktitle = {}, journal = {{G}eology}, volume = {27}, numero = {9}, pages = {835--838}, ISSN = {0091-7613}, year = {1999}, DOI = {10.1130/0091-7613(1999)027<0835:{BSSIS}>2.3.{CO};2}, URL = {https://www.documentation.ird.fr/hor/fdi:010019895}, }