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RP2E INRA Université de Lorraine

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Assessment of trace metal air pollution in Paris using slurry-TXRF analysis on cemetery mosses

Environ Sci Pollut Res, vol. 23(23), 23496-23510.

Natali, M., Zanella, A., Rankovic, A., Banas, D., Cantaluppi, C., Abbadie, L., Lata, J.-C.

2016

Mosses are useful, ubiquitous accumulation biomonitors and as such can be used for biomonitoring surveys. However, the biomonitoring of atmospheric pollution can be compromised in urban contexts if the targeted biomonitors are regularly disturbed, irregularly distributed, or are difficult to access. Here, we test the hypothesis that cemeteries are appropriate moss sampling sites for the evaluation of air pollution in urban areas. We sampled mosses growing on gravestones in 21 urban and periurban cemeteries in the Paris metropolitan area. We focused on Grimmia pulvinata (Hedwig) Smith, a species abundantly found in all studied cemeteries and very common in Europe. The concentration of Al, As, Br, Ca, Ce, Cl, Cr, Cu, Fe, K, Mn, Ni, V, P, Pb, Rb, S, Sr, Ti, and Zn was determined by a total reflection X-ray fluorescence technique coupled with a slurry sampling method (slurry- TXRF). This method avoids a digestion step, reduces the risk of sample contamination, and works even at low sample quantities. Elemental markers of road traffic indicated that the highest polluted cemeteries were located near the highly frequented Parisian ring road and under the influence of prevailing winds. The sites with the lowest pollution were found not only in the peri-urban cemeteries, adjoining forest or farming landscapes, but also in the large and relatively wooded cemeteries located in the center of Paris. Our results suggest that (1) slurry-TXRF might be successfully used with moss material, (2) G. pulvinata might be a good biomonitor of trace metals air pollution in urban context, and (3) cemetery moss sampling could be a useful complement for monitoring urban areas.

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  • Humusica: Soil biodiversity and global change

    Bulletin of geography: Physical Geography Series, 14 (1), pp. 15-36.

    Zanella, A., Ascher-jenull, J., Ponge, J.F., Bolzonella, C., Banas, D., De nobili, M., Fusaro, S., Sella, L., Giannini, R.

2017

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2016

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2015

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2014

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2013

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