Sources of very high heavy metal content in soils of volcanic island (La Réunion)
The objective of this study was to conduct an inventory of heavy metal concentrations (Cd, Cr, Cu, Hg, Ni, Pb and Zn) in the soils of La Réunion. 39 sampling sites were selected to cover the distribution of soils of the island. The results show that soils of La Réunion are rich in heavy metals: most of them exceed the French standard values beyond which sewage sludge spreading is not authorized. To identify the sources of heavy metals, we used: (i) the relationship between the heavy metal content in soils and the origin of the volcanic parent material; (ii) the comparison of heavy metal content between cultivated and uncultivated soils; and (iii) the heavy metal distribution in soil profiles. Cd and Pb evolution in soil profiles indicate an impact of human activities. High Hg concentrations in soils can be explained by the volcanic activity of the island. For Cr, Cu, Ni and Zn, we demonstrate that high concentrations in soils are mainly determined by the natural pedo-geochemical background.
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Language: | eng |
Subjects: | P33 - Chimie et physique du sol, sol, métal lourd, contamination, zone volcanique, facteur lié au site, http://aims.fao.org/aos/agrovoc/c_7156, http://aims.fao.org/aos/agrovoc/c_2223, http://aims.fao.org/aos/agrovoc/c_28317, http://aims.fao.org/aos/agrovoc/c_8286, http://aims.fao.org/aos/agrovoc/c_7087, http://aims.fao.org/aos/agrovoc/c_6543, http://aims.fao.org/aos/agrovoc/c_3081, |
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dig-cirad-fr-5308622024-01-28T14:18:08Z http://agritrop.cirad.fr/530862/ http://agritrop.cirad.fr/530862/ Sources of very high heavy metal content in soils of volcanic island (La Réunion). Doelsch Emmanuel, Saint Macary Hervé, Van de Kerchove Virginie. 2006. Journal of Geochemical Exploration, 88 (1-3) : 194-197. Symposium International sur la Géochimie de la Surface de la Terre. 7, Aix-en-Provence, France, 23 Août 2005/27 Août 2005.https://doi.org/10.1016/j.gexplo.2005.08.037 <https://doi.org/10.1016/j.gexplo.2005.08.037> Sources of very high heavy metal content in soils of volcanic island (La Réunion) Doelsch, Emmanuel Saint Macary, Hervé Van de Kerchove, Virginie eng 2006 Journal of Geochemical Exploration P33 - Chimie et physique du sol sol métal lourd contamination zone volcanique facteur lié au site http://aims.fao.org/aos/agrovoc/c_7156 http://aims.fao.org/aos/agrovoc/c_2223 http://aims.fao.org/aos/agrovoc/c_28317 http://aims.fao.org/aos/agrovoc/c_8286 http://aims.fao.org/aos/agrovoc/c_7087 La Réunion France http://aims.fao.org/aos/agrovoc/c_6543 http://aims.fao.org/aos/agrovoc/c_3081 The objective of this study was to conduct an inventory of heavy metal concentrations (Cd, Cr, Cu, Hg, Ni, Pb and Zn) in the soils of La Réunion. 39 sampling sites were selected to cover the distribution of soils of the island. The results show that soils of La Réunion are rich in heavy metals: most of them exceed the French standard values beyond which sewage sludge spreading is not authorized. To identify the sources of heavy metals, we used: (i) the relationship between the heavy metal content in soils and the origin of the volcanic parent material; (ii) the comparison of heavy metal content between cultivated and uncultivated soils; and (iii) the heavy metal distribution in soil profiles. Cd and Pb evolution in soil profiles indicate an impact of human activities. High Hg concentrations in soils can be explained by the volcanic activity of the island. For Cr, Cu, Ni and Zn, we demonstrate that high concentrations in soils are mainly determined by the natural pedo-geochemical background. article info:eu-repo/semantics/article Journal Article info:eu-repo/semantics/publishedVersion http://agritrop.cirad.fr/530862/1/530862.pdf text Cirad license info:eu-repo/semantics/restrictedAccess https://agritrop.cirad.fr/mention_legale.html https://doi.org/10.1016/j.gexplo.2005.08.037 10.1016/j.gexplo.2005.08.037 http://catalogue-bibliotheques.cirad.fr/cgi-bin/koha/opac-detail.pl?biblionumber=190148 info:eu-repo/semantics/altIdentifier/doi/10.1016/j.gexplo.2005.08.037 info:eu-repo/semantics/altIdentifier/purl/https://doi.org/10.1016/j.gexplo.2005.08.037 |
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P33 - Chimie et physique du sol sol métal lourd contamination zone volcanique facteur lié au site http://aims.fao.org/aos/agrovoc/c_7156 http://aims.fao.org/aos/agrovoc/c_2223 http://aims.fao.org/aos/agrovoc/c_28317 http://aims.fao.org/aos/agrovoc/c_8286 http://aims.fao.org/aos/agrovoc/c_7087 http://aims.fao.org/aos/agrovoc/c_6543 http://aims.fao.org/aos/agrovoc/c_3081 P33 - Chimie et physique du sol sol métal lourd contamination zone volcanique facteur lié au site http://aims.fao.org/aos/agrovoc/c_7156 http://aims.fao.org/aos/agrovoc/c_2223 http://aims.fao.org/aos/agrovoc/c_28317 http://aims.fao.org/aos/agrovoc/c_8286 http://aims.fao.org/aos/agrovoc/c_7087 http://aims.fao.org/aos/agrovoc/c_6543 http://aims.fao.org/aos/agrovoc/c_3081 |
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P33 - Chimie et physique du sol sol métal lourd contamination zone volcanique facteur lié au site http://aims.fao.org/aos/agrovoc/c_7156 http://aims.fao.org/aos/agrovoc/c_2223 http://aims.fao.org/aos/agrovoc/c_28317 http://aims.fao.org/aos/agrovoc/c_8286 http://aims.fao.org/aos/agrovoc/c_7087 http://aims.fao.org/aos/agrovoc/c_6543 http://aims.fao.org/aos/agrovoc/c_3081 P33 - Chimie et physique du sol sol métal lourd contamination zone volcanique facteur lié au site http://aims.fao.org/aos/agrovoc/c_7156 http://aims.fao.org/aos/agrovoc/c_2223 http://aims.fao.org/aos/agrovoc/c_28317 http://aims.fao.org/aos/agrovoc/c_8286 http://aims.fao.org/aos/agrovoc/c_7087 http://aims.fao.org/aos/agrovoc/c_6543 http://aims.fao.org/aos/agrovoc/c_3081 Doelsch, Emmanuel Saint Macary, Hervé Van de Kerchove, Virginie Sources of very high heavy metal content in soils of volcanic island (La Réunion) |
description |
The objective of this study was to conduct an inventory of heavy metal concentrations (Cd, Cr, Cu, Hg, Ni, Pb and Zn) in the soils of La Réunion. 39 sampling sites were selected to cover the distribution of soils of the island. The results show that soils of La Réunion are rich in heavy metals: most of them exceed the French standard values beyond which sewage sludge spreading is not authorized. To identify the sources of heavy metals, we used: (i) the relationship between the heavy metal content in soils and the origin of the volcanic parent material; (ii) the comparison of heavy metal content between cultivated and uncultivated soils; and (iii) the heavy metal distribution in soil profiles. Cd and Pb evolution in soil profiles indicate an impact of human activities. High Hg concentrations in soils can be explained by the volcanic activity of the island. For Cr, Cu, Ni and Zn, we demonstrate that high concentrations in soils are mainly determined by the natural pedo-geochemical background. |
format |
article |
topic_facet |
P33 - Chimie et physique du sol sol métal lourd contamination zone volcanique facteur lié au site http://aims.fao.org/aos/agrovoc/c_7156 http://aims.fao.org/aos/agrovoc/c_2223 http://aims.fao.org/aos/agrovoc/c_28317 http://aims.fao.org/aos/agrovoc/c_8286 http://aims.fao.org/aos/agrovoc/c_7087 http://aims.fao.org/aos/agrovoc/c_6543 http://aims.fao.org/aos/agrovoc/c_3081 |
author |
Doelsch, Emmanuel Saint Macary, Hervé Van de Kerchove, Virginie |
author_facet |
Doelsch, Emmanuel Saint Macary, Hervé Van de Kerchove, Virginie |
author_sort |
Doelsch, Emmanuel |
title |
Sources of very high heavy metal content in soils of volcanic island (La Réunion) |
title_short |
Sources of very high heavy metal content in soils of volcanic island (La Réunion) |
title_full |
Sources of very high heavy metal content in soils of volcanic island (La Réunion) |
title_fullStr |
Sources of very high heavy metal content in soils of volcanic island (La Réunion) |
title_full_unstemmed |
Sources of very high heavy metal content in soils of volcanic island (La Réunion) |
title_sort |
sources of very high heavy metal content in soils of volcanic island (la réunion) |
url |
http://agritrop.cirad.fr/530862/ http://agritrop.cirad.fr/530862/1/530862.pdf |
work_keys_str_mv |
AT doelschemmanuel sourcesofveryhighheavymetalcontentinsoilsofvolcanicislandlareunion AT saintmacaryherve sourcesofveryhighheavymetalcontentinsoilsofvolcanicislandlareunion AT vandekerchovevirginie sourcesofveryhighheavymetalcontentinsoilsofvolcanicislandlareunion |
_version_ |
1792496386318532608 |