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Article Dans Une Revue Science of the Total Environment Année : 2016

Physico-chemical characteristics of topsoil for contrasted forest, agricultural, urban and industrial land uses in France

Résumé

Soil quality is related to soil characteristics such as fertility and contamination. The aim of this study is to assess the effect of land use on these soil characteristics and to confirmthe following anthropisation gradient: (i) forest, (ii) grassland, (iii) cultivated, (iv) orchard and vineyard, (v) urban vegetable garden, and (vi) SUITMA(urban, industrial, traffic, mining and military areas). A database comprising the characteristics of 2451 soils has been constituted. In order to compare the topsoils from six contrasting land uses, a principal components analysis (PCA) was performed on nine geochemical variables (C, N, pH, POlsen, total Cd, Cu, Ni, Pb, Zn). The first axis of the PCA is interpreted as a global increase of topsoil metallic elements along the anthropisation gradient. Axis 2 reflects the variability of fertility levels. Human activity increases the pressure on soils along the proposed gradient according to six different distribution patterns. This better knowledge of topsoil quality and its dependence on current land use should therefore help to manage and preserve the soil mantle.
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Dates et versions

hal-01260994 , version 1 (22-01-2016)

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Sophie Joimel, Jerome Cortet, Claudy C. Jolivet, Nicolas Saby, Elodie-Denise Chenot, et al.. Physico-chemical characteristics of topsoil for contrasted forest, agricultural, urban and industrial land uses in France. Science of the Total Environment, 2016, 545, ⟨10.1016/j.scitotenv.2015.12.035⟩. ⟨hal-01260994⟩
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