@article{fdi:010052294, title = {{S}olid speciation and availability of chromium in ultramafic soils from {N}iquelandia, {B}razil}, author = {{G}arnier, {J}. and {Q}uantin, {C}. and {M}artins, {E}.{S}. and {B}ecquer, {T}hierry}, editor = {}, language = {{ENG}}, abstract = {{T}he sources and the potential availability of chromium were investigated in ultramafic soils from {N}iquelandia ({G}oias {S}tate, {B}razil), with chemical extractions associated to mineralogical studies, in order to evaluate its bioavailability and its potential impact on the soil biodiversity. {C}r contents are particularly high in the studied soils and its partitioning among the solid phase varies with the position in the landscape and depth. {M}ost of the {C}r is associated to {F}e-oxides but the amount of exchangeable {C}r({VI}) is high, particularly in one soil profile. {C}r availability is higher than expected, and {C}r-tolerant vegetation is probably growing on these soils. (c) 2005 {E}lsevier {B}.{V} {A}ll rights reserved.}, keywords = {ultramafic soil ; chromium ; solid speciation ; availability ; {B}razil ; {BRESIL}}, booktitle = {}, journal = {{J}ournal of {G}eochemical {E}xploration}, volume = {88 (1-3) {S}pecial {I}ss. {SI}}, numero = {}, pages = {206--209}, year = {2006}, DOI = {10.1016/j.gexplo.2005.08.040}, URL = {https://www.documentation.ird.fr/hor/fdi:010052294}, }