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Potential Sources of Anthropogenic Copper Inputs to European Agricultural Soils

Regionalized Terrestrial Ecotoxicity Assessment of Copper-Based Fungicides Applied in Viticulture

Chemical Engineering Department, Polytechnique Montréal, P.O. Box 6079, Montreal, QC H3C 3A7, Canada
ESG UQAM, Strategy, Corporate & Social Responsibility Department, CIRAIG, Montreal, QC H3C 3P8, Canada
Department of Construction Engineering, École de Technologie Supérieure, 1100 Notre-Dame Ouest, Montreal, Quebec H3C 1K3, Canada
Author to whom correspondence should be addressed.
Sustainability 2018, 10(7), 2522;
Received: 8 June 2018 / Revised: 11 July 2018 / Accepted: 17 July 2018 / Published: 19 July 2018
Life cycle assessment has been recognized as an important decision-making tool to improve the environmental performance of agricultural systems. Still, there are certain modelling issues related to the assessment of their impacts. The first is linked to the assessment of the metal terrestrial ecotoxicity impact, for which metal speciation in soil is disregarded. In fact, emissions of metals in agricultural systems contribute significantly to the ecotoxic impact, as do copper-based fungicides applied in viticulture to combat downy mildew. Another issue is linked to the ways in which the intrinsic geographical variability of agriculture resulting from the variation of management practices, soil properties, and climate is addressed. The aim of this study is to assess the spatial variability of the terrestrial ecotoxicity impact of copper-based fungicides applied in European vineyards, accounting for both geographical variability in terms of agricultural practice and copper speciation in soil. This first entails the development of regionalized characterization factors (CFs) for the copper used in viticulture and then the application of these CFs to a regionalized life-cycle inventory that considers different management practices, soil properties, and climates in different regions, namely Languedoc-Roussillon (France), Minho (Portugal), Tuscany (Italy), and Galicia (Spain). There are two modelling alternatives to determine metal speciation in terrestrial ecotoxicity: (a) empirical regression models; and (b) WHAM 6.0, the geochemical speciation model applied according to the soil properties of the Harmonized World Soil Database (HWSD). Both approaches were used to compute and compare regionalized CFs with each other and with current IMPACT 2002+ CF. The CFs were then aggregated at different spatial resolutions—global, Europe, country, and wine-growing region—to assess the uncertainty related to spatial variability at the different scales and applied in the regionalized case study. The global CF computed for copper terrestrial ecotoxicity is around 3.5 orders of magnitude lower than the one from IMPACT 2002+, demonstrating the impact of including metal speciation. For both methods, an increase in the spatial resolution of the CFs translated into a decrease in the spatial variability of the CFs. With the exception of the aggregated CF for Portugal (Minho) at the country level, all the aggregated CFs derived from empirical regression models are greater than the ones derived from the method based on WHAM 6.0 within a range of 0.2 to 1.2 orders of magnitude. Furthermore, CFs calculated with empirical regression models exhibited a greater spatial variability with respect to the CFs derived from WHAM 6.0. The ranking of the impact scores of the analyzed scenarios was mainly determined by the amount of copper applied in each wine-growing region. However, finer spatial resolutions led to an impact score with lower uncertainty. View Full-Text
Keywords: metals; impact assessment; speciation; terrestrial ecotoxicity; pesticides; LCA; regionalization metals; impact assessment; speciation; terrestrial ecotoxicity; pesticides; LCA; regionalization
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MDPI and ACS Style

Viveros Santos, I.; Bulle, C.; Levasseur, A.; Deschênes, L. Regionalized Terrestrial Ecotoxicity Assessment of Copper-Based Fungicides Applied in Viticulture. Sustainability 2018, 10, 2522.

AMA Style

Viveros Santos I, Bulle C, Levasseur A, Deschênes L. Regionalized Terrestrial Ecotoxicity Assessment of Copper-Based Fungicides Applied in Viticulture. Sustainability. 2018; 10(7):2522.

Chicago/Turabian Style

Viveros Santos, Ivan, Cécile Bulle, Annie Levasseur, and Louise Deschênes. 2018. "Regionalized Terrestrial Ecotoxicity Assessment of Copper-Based Fungicides Applied in Viticulture" Sustainability 10, no. 7: 2522.

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