@article{fdi:010068738, title = {{I}s {T}illandsia capillaris an efficient bioindicator of atmospheric metal and metalloid deposition ? {I}nsights from five months of monitoring in an urban mining area}, author = {{S}chreck, {E}. and {S}arret, {G}. and {O}liva, {P}. and {C}alas, {A}. and {S}obanska, {S}. and {G}u{\'e}dron, {S}t{\'e}phane and {B}arraza, {F}. and {P}oint, {D}avid and {H}uayta, {C}. and {C}outure, {R}. {M}. and {P}runier, {J}. and {H}enry, {M}. and {T}isserand, {D}. and {G}oix, {S}. and {C}hincheros, {J}. and {U}zu, {G}a{\¨e}lle}, editor = {}, language = {{ENG}}, abstract = {{A}tmospheric pollution in megacities has a major impact on human health and environmental quality. {A}ir quality bioindicators may have some advantages over standard devices such as impactors or filters. {I}n this study we evaluated the reliability of {T}illandsia sp. versus passive filters for monitoring the atmospheric deposition of metal(loid)s in an area affected by anthropogenic activities. {W}e aimed to gain insight into the composition and origin of atmospheric particles and their fate after deposition on the plant. {T}hree zones with different contamination levels were monitored for five months in 2012. {F}or the highly contaminated area, a linear increase in metalloid) accumulation was found in passive filters, whereas for transplanted {T}illandsia capillaris the increase was almost linear for {A}s, {C}d, {H}g, and {S}n, but not for {A}g, {P}b, {S}b, and {Z}n. {F}or the moderately contaminated zone, the results showed that the exposure time was not sufficient for metal(loid) concentrations to increase in either the plants or filters. {H}owever, natural specimens provided some indications of the levels of metal contamination. {M}etal particles were observed on the plant surface and also in the central disc underneath tillandsia trichomes, suggesting that this is a possible pathway for metals to enter the plant. {X}-ray absorption spectroscopy demonstrated chemical transformation for {P}b and {A}s, both in filters and plants. {F}or {P}b, sorbed {P}b and/or cell wall complexes were identified in the plants. {N}o {A}s-{III}-{S} species, indicative of {A}s detoxification, were identified in the plant. {A}rsenic was oxidized from {A}s-{III} to {A}s-{V} in both plants and filters. {T}hus, in the present study, passive filters proved more reliable than {T}. capillaris transplants, although natural specimens provided some insights into local contamination. {P}articulate contaminants underwent chemical transformation after being trapped in the plant, but there was no clear evidence of internalization and detoxification.}, keywords = {{T}illandsia capillaris ; {P}assive filters ; {A}ir quality ; {B}iomonitoring ; {M}ining area ; {BOLIVIE} ; {ANDES} ; {LA} {PAZ} ; {ORURO}}, booktitle = {}, journal = {{E}cological {I}ndicators}, volume = {67}, numero = {}, pages = {227--237}, ISSN = {1470-160{X}}, year = {2016}, DOI = {10.1016/j.ecolind.2016.02.027}, URL = {https://www.documentation.ird.fr/hor/fdi:010068738}, }