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Factors affecting distribution and mobility of trace elements (Cu, Pb, Zn) in a perennial grapevine (Vitis vinifera L.) in the Champagne region of France

Chopin, E. I. B., Marin, B., Mkoungafoko, R., Rigaux, A., Hopgood, M. J., Delannoy, E., Cances, B. and Laurain, M. (2008) Factors affecting distribution and mobility of trace elements (Cu, Pb, Zn) in a perennial grapevine (Vitis vinifera L.) in the Champagne region of France. Environmental Pollution, 156 (3). pp. 1092-1098. ISSN 0269-7491

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To link to this article DOI: 10.1016/j.envpol.2008.04.015

Abstract/Summary

Soil and Vitis vinifera L (coarse and fine roots, leaves, berries) concentration and geochemical partitioning of Cu, Pb and Zn were determined in a contaminated calcareous Champagne plot to assess their mobility and transfer. Accumulation ratios in roots remained low (0.1-0.4 for Cu and Zn, <0.05 for Pb). Differences between elements resulted from vegetation uptake strategy and soil partitioning. Copper, significantly associated with the oxidisable fraction (27.8%), and Zn with the acid soluble fraction (33.3%), could be mobilised by rhizosphere acidification and oxidisation, unlike Pb, essentially contained in the reducible fraction (72.4%). Roots should not be considered as a whole since the more reactive fine roots showed higher accumulation ratios than coarse ones. More sensitive response of fine roots, lack of correlation between chemical extraction results and vegetation concentrations, and very limited translocation to aerial parts showed that fine root concentrations should be used when assessing bioavailability. (C) 2008 Elsevier Ltd. All rights reserved.

Item Type:Article
Divisions:Faculty of Science > School of Archaeology, Geography and Environmental Science
ID Code:3390
Uncontrolled Keywords:Vertical distribution Trace element partitioning Grapevine roots Aerial organs Bioavailability SEQUENTIAL EXTRACTION PROCEDURE HEAVY-METAL CONTAMINATION IBERIAN PYRITE BELT VINEYARD SOILS SW SPAIN MICROWAVE DIGESTION COPPER DISTRIBUTION AGRICULTURAL LAND SMELTING AREAS FRACTIONATION
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