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Functional Trait-Based Screening of Zn-Pb Tolerant Wild Plant Species at an Abandoned Mine Site in Gard (France) for Rehabilitation of Mediterranean Metal-Contaminated Soils

The selection of plant species at mine sites is mostly based on metal content in plant parts. Recent works have proposed referring to certain ecological aspects. However, plant traits for plant metal-tolerance still need to be accurately assessed in the field. An abandoned Zn-Pb mine site in Gard (F...

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Autores principales: Laffont-Schwob, Isabelle, Rabier, Jacques, Masotti, Véronique, Folzer, Hélène, Tosini, Lorène, Vassalo, Laurent, Salducci, Marie-Dominique, Prudent, Pascale
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7432068/
https://www.ncbi.nlm.nih.gov/pubmed/32751536
http://dx.doi.org/10.3390/ijerph17155506
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author Laffont-Schwob, Isabelle
Rabier, Jacques
Masotti, Véronique
Folzer, Hélène
Tosini, Lorène
Vassalo, Laurent
Salducci, Marie-Dominique
Prudent, Pascale
author_facet Laffont-Schwob, Isabelle
Rabier, Jacques
Masotti, Véronique
Folzer, Hélène
Tosini, Lorène
Vassalo, Laurent
Salducci, Marie-Dominique
Prudent, Pascale
author_sort Laffont-Schwob, Isabelle
collection PubMed
description The selection of plant species at mine sites is mostly based on metal content in plant parts. Recent works have proposed referring to certain ecological aspects. However, plant traits for plant metal-tolerance still need to be accurately assessed in the field. An abandoned Zn-Pb mine site in Gard (France) offered the opportunity to test a set of ecological criteria. The diversity of micro-habitats was first recorded through floristic relevés and selected categorical and measured plant traits were compared for plant species selection. The floristic composition of the study site consisted in 61 plant species from 31 plant families. This approach enabled us to focus on seven wild plant species naturally growing at the mining site. Their ability to form root symbioses was then observed with a view to phytostabilization management. Four species were considered for phytoextraction: Noccaea caerulescens (J. et C. Presl) FK Meyer, Biscutella laevigata L., Armeria arenaria (Pers.) Schult. and Plantago lanceolata L. The metal content of their aerial and root parts was then determined and compared with that of soil samples collected at the same site. This general approach may lead to the development of a knowledge base for assessment of the ecological restoration trajectory of the site and can help in plant selection for remediation of other metal-rich soils in the Mediterranean area based not only on metal removal but on ecological restoration principles.
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spelling pubmed-74320682020-08-24 Functional Trait-Based Screening of Zn-Pb Tolerant Wild Plant Species at an Abandoned Mine Site in Gard (France) for Rehabilitation of Mediterranean Metal-Contaminated Soils Laffont-Schwob, Isabelle Rabier, Jacques Masotti, Véronique Folzer, Hélène Tosini, Lorène Vassalo, Laurent Salducci, Marie-Dominique Prudent, Pascale Int J Environ Res Public Health Article The selection of plant species at mine sites is mostly based on metal content in plant parts. Recent works have proposed referring to certain ecological aspects. However, plant traits for plant metal-tolerance still need to be accurately assessed in the field. An abandoned Zn-Pb mine site in Gard (France) offered the opportunity to test a set of ecological criteria. The diversity of micro-habitats was first recorded through floristic relevés and selected categorical and measured plant traits were compared for plant species selection. The floristic composition of the study site consisted in 61 plant species from 31 plant families. This approach enabled us to focus on seven wild plant species naturally growing at the mining site. Their ability to form root symbioses was then observed with a view to phytostabilization management. Four species were considered for phytoextraction: Noccaea caerulescens (J. et C. Presl) FK Meyer, Biscutella laevigata L., Armeria arenaria (Pers.) Schult. and Plantago lanceolata L. The metal content of their aerial and root parts was then determined and compared with that of soil samples collected at the same site. This general approach may lead to the development of a knowledge base for assessment of the ecological restoration trajectory of the site and can help in plant selection for remediation of other metal-rich soils in the Mediterranean area based not only on metal removal but on ecological restoration principles. MDPI 2020-07-30 2020-08 /pmc/articles/PMC7432068/ /pubmed/32751536 http://dx.doi.org/10.3390/ijerph17155506 Text en © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Laffont-Schwob, Isabelle
Rabier, Jacques
Masotti, Véronique
Folzer, Hélène
Tosini, Lorène
Vassalo, Laurent
Salducci, Marie-Dominique
Prudent, Pascale
Functional Trait-Based Screening of Zn-Pb Tolerant Wild Plant Species at an Abandoned Mine Site in Gard (France) for Rehabilitation of Mediterranean Metal-Contaminated Soils
title Functional Trait-Based Screening of Zn-Pb Tolerant Wild Plant Species at an Abandoned Mine Site in Gard (France) for Rehabilitation of Mediterranean Metal-Contaminated Soils
title_full Functional Trait-Based Screening of Zn-Pb Tolerant Wild Plant Species at an Abandoned Mine Site in Gard (France) for Rehabilitation of Mediterranean Metal-Contaminated Soils
title_fullStr Functional Trait-Based Screening of Zn-Pb Tolerant Wild Plant Species at an Abandoned Mine Site in Gard (France) for Rehabilitation of Mediterranean Metal-Contaminated Soils
title_full_unstemmed Functional Trait-Based Screening of Zn-Pb Tolerant Wild Plant Species at an Abandoned Mine Site in Gard (France) for Rehabilitation of Mediterranean Metal-Contaminated Soils
title_short Functional Trait-Based Screening of Zn-Pb Tolerant Wild Plant Species at an Abandoned Mine Site in Gard (France) for Rehabilitation of Mediterranean Metal-Contaminated Soils
title_sort functional trait-based screening of zn-pb tolerant wild plant species at an abandoned mine site in gard (france) for rehabilitation of mediterranean metal-contaminated soils
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7432068/
https://www.ncbi.nlm.nih.gov/pubmed/32751536
http://dx.doi.org/10.3390/ijerph17155506
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