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Analysis of surface water reveals land pesticide contamination: An application for the determination of chlordecone-polluted areas in Guadeloupe, French West Indies

Rochette Romain, Bonnal Vincent, Andrieux Patrick, Cattan Philippe. 2020. Analysis of surface water reveals land pesticide contamination: An application for the determination of chlordecone-polluted areas in Guadeloupe, French West Indies. Environmental Science and Pollution Research, 27 (33), dossier Environmental and Human Health Issues Related to Long Term Contamination by Chlordecone in the French West Indies : pp. 41132-41142.

Journal article ; Article de recherche ; Article de revue à facteur d'impact
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Liste HCERES des revues (en SHS) : oui

Thème(s) HCERES des revues (en SHS) : Psychologie-éthologie-ergonomie

Abstract : In Guadeloupe, the use between 1972 and 1993 of chlordecone, an organochlorine insecticide, has permanently contaminated the island's soil, thus contaminating the food chain at its very beginning. There is today a strong societal requirement for an improved mapping of the contaminated zones. Given the extent of the areas to be covered, carrying out soil tests on each plot of the territory would be a long and expensive process. In this article, we explore a method of demarcating polluted areas. The approach adopted consists in carrying out, using surface water analyses, a hydrological delimitation that makes it possible to distinguish contaminated watersheds from uncontaminated ones. The selection of sampling points was based on the spatial analysis of the actual and potential contamination data existing at the beginning of the study. The approach was validated by soil analyses, after having compared the contamination data of the watersheds with the soil contamination data of the plots within them. The study thus made it possible to highlight new contaminated areas and also those at risk of contamination and to identify the plots to be targeted as a priority during future analysis campaigns by State services.

Mots-clés Agrovoc : Contamination chimique, Chlordécone, Pollution par l'agriculture, Pollution de l'eau, Eau superficielle, Analyse de l'eau, Pollution du sol, Persistance des pesticides

Mots-clés géographiques Agrovoc : Guadeloupe

Mots-clés libres : Organochlorine pesticides, Watersheds, Contamination, Water, Soil

Classification Agris : P02 - Pollution
P10 - Water resources and management

Champ stratégique Cirad : CTS 4 (2019-) - Santé des plantes, des animaux et des écosystèmes

Auteurs et affiliations

  • Rochette Romain, INRAE (FRA) - auteur correspondant
  • Bonnal Vincent, CIRAD-ES-UMR TETIS (GLP) ORCID: 0000-0001-9458-2459
  • Andrieux Patrick, INRAE (FRA)
  • Cattan Philippe, CIRAD-PERSYST-UPR GECO (FRA)

Source : Cirad-Agritrop (https://agritrop.cirad.fr/596677/)

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