Selection of native plants with phytoremediation potential for highly contaminated Mediterranean soil restoration: Tools for a non-destructive and integrative approach

Heckenroth, Alma; Rabier, Jacques; Dutoit, Thierry; Torre, F. Jason; Prudent, Pascale; Laffont-Schwob, Isabelle

doi:10.1016/j.jenvman.2016.09.029

Cited by 60 publications

(32 citation statements)

References 57 publications

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“…Many recent studies have evaluated the feasibility of different native Mediterranean species for phytostabilization [15–17]. The restoration program established at the Guadiamar Valley (SW Spain) is one of the largest soil remediation initiatives conducted in the Mediterranean region, and phytostabilization was the most important technology [18].…”

Section: Introductionmentioning

confidence: 99%

Potential of Eucalyptus camaldulensis for phytostabilization and biomonitoring of trace-element contaminated soils

et al. 2017

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Soil pollution by trace elements (TEs) from mining and industrial activity is widespread and presents a risk to humans and ecosystems. The use of trees to immobilize TEs (phytostabilization) is a low-cost and effective method of soil remediation. We aimed to determine the chemical composition of leaves and flower buds of Eucalyptus camaldulensis in seven sites along the Guadiamar River valley (SW Spain), an area contaminated by a mine-spill in 1998. E. camaldulensis trees in the spill-affected area and adjacent non affected areas were growing on a variety of soils with pH from 5.6 to 8.1 with low concentration of plant nutrients. The spill affected soils contained up to 1069 mg kg-1 of As and 4086 mg kg-1 of Pb. E. camaldulensis tolerated elevated TE concentrations in soil and, compared to other species growing in the same environment, had low TE concentrations in the aerial portions. Besides tolerance to soil contamination, E. camaldulensis had low bioaccumulation coefficients for soil contaminants. TE concentrations in the aboveground portions were below levels reported to be toxic to plants or ecosystems. Flower buds had even lower TE concentrations than leaves. Despite the relatively low concentration of TEs in leaves they were significantly correlated with the soil extractable (0.01 M CaCl2) Cd, Mn and Zn (but not Cu and Pb). The general features of this tree species: tolerance to impoverished and contaminated soils, fast growth and deep root system, and low transfer of TEs from soil to aboveground organs makes it suitable for phytostabilization of soils contaminated by TEs. In addition, eucalyptus leaves could be used for biomonitoring the soil extractability of Cd, Mn and Zn but not Cu or Pb.

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Section: Introductionmentioning

confidence: 99%

Potential of Eucalyptus camaldulensis for phytostabilization and biomonitoring of trace-element contaminated soils

et al. 2017

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“…This activity generated massive Pb and Zn-rich slags (Gelly et al, 2019;Testiati et al, 2013) and atmospheric emissions of highly metal-concentrated particles, specifically with Pb, As and Sb (Laffont-Schwob et al, 2016;Testiati et al, 2013). Previous studies highlighted the metal and metalloid contaminations of the smelter surroundings, in particular by Pb, As, Sb and Zn (Heckenroth et al, 2016;Affholder et al, 2013;Testiati et al, 2013;Gelly et al, 2019). Eight sites were selected having similar soil characteristics, vegetation and climatic conditions and included in the National Park of Calanques.…”

Section: France It Is Characterized By a Mediterranean Climate And Mmentioning

confidence: 99%

“…Our results also highlighted that even after 95 years since the former factory's closure, diffuse soil pollution is still significant, and TMM mobility is not negligible. The soil diffuse pollution in this area is widespread (Laffont-Schwob et al, 2016;Gelly et al, 2019) and since the area is now within a protected area (namely, the Calanques National Park), phytostabilisation with native plant species would likely be favoured (Heckenroth et al, 2016). This could include colonization of wild R. officinalis in areas of non-vegetated TMM contaminated soils for this study area.…”

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confidence: 96%

Advances and limits of two model species for ecotoxicological assessment of carbamazepine, two by-products and their mixture at environmental level in freshwater

Desbiolles

Moreau²,

Jong³

et al. 2020

Water Research

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This study highlights the trace metal and metalloid (TMM) accumulation in Rosmarinus officinalis L. and its chemical responses when exposed to high levels of contamination. R. officinalis individuals growing along a gradient of mixed TMM soil pollutions, resulting from past industrial activities, were analysed. Several plant secondary metabolites, known to be involved in plant tolerance to TMM or as a plant health indicator, were investigated. The levels of thiol compounds and phytochelatin precursors (cysteine and glutathione) in the shoots were measured in the laboratory, while a portable non-destructive instrument was used *Revised manuscript with no changes marked 2 to determine the level of phenolic compounds and chlorophylls directly on site. The level of Pb, As, Sb and Zn contaminations within the soil and plants was also determined. The results highlighted a decrease of TMM translocation with increases of soil contamination. The concentration of TMM in the shoots followed the Mitscherlich equation and reached a plateau at 0.41, 7.9, 0.37, 51.3 mg.kg-1 for As, Pb, Sb and Zn, respectively. In the shoots, the levels of thiols and phenols were correlated to concentrations of TMM. Glutathione seems to be the main thiol compounds involved in the tolerance to As, Pb and Sb. Phenols indices, using non-destructive measurements, may be considered as an easy way to establish a proxy to estimate the TMM contamination level of the R. officinalis shoots. The study highlights metabolic processes that contribute to the high potential of R. officinalis for phytostabilisation of TMM in contaminated areas in the Mediterranean.

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“…The phytoremediating species must be highly tolerant of the pollutants [6]. The preference is given to an indigenous and naturalized species of the locality, adapted to local climate conditions [7]. It is also best to select a fast growing and high biomass plant with high capacity for uptake of heavy metals [8].…”

Section: Introductionmentioning

confidence: 99%

Long-term phytoremediating abilities of Dalbergia sissoo Roxb. (Fabaceae)

et al. 2019

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The boom of tanneries in north India has converted the river Ganga into a waste dumping stream. The tanneries discharge their heavy metal-rich effluents into the river. Tissues of two-year-old tree saplings of Dalbergia sissoo, soil sediments and river water samples were collected from three sites along the river Ganga at Jajmau, Kanpur. Site-1 was located 1 km upstream from the point of discharge of the effluents of the tanneries, Site-2 was close to the source point, and Site-3 was about 1 km downstream from the source point. Accumulation of Cu, Cr and Ni in leaves, bark, wood growth rings, soil sediments and water samples was estimated using an atomic absorption spectrophotometer. The tissues of the two-year-old wood growth rings of D. sissoo accumulated large amounts of Cr, Cu and Ni. The Cr concentration in leaves, bark and wood rings had a strong, positive and linear correlation (r 2 ) with the Cr concentration in soil sediments. The bioconcentration factors (BCFs) of Cr, Cu and Ni were higher than 1 in the wood, bark and leaves at all three selected sites, indicating the strong phytoremediating ability of the tree. The uptake of Cr and Ni was consistent in the bark and wood growth rings of two successive years. Owing to the strong uptake and accumulating abilities of Cr, Cu and Ni as evident from high BCF values and high biomass, we propose D. sissoo as a suitable species for phytoremediation throughout its range of distribution in Africa, Asia and the Americas.

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Selection of native plants with phytoremediation potential for highly contaminated Mediterranean soil restoration: Tools for a non-destructive and integrative approach

Cited by 60 publications

References 57 publications

Potential of Eucalyptus camaldulensis for phytostabilization and biomonitoring of trace-element contaminated soils

Potential of Eucalyptus camaldulensis for phytostabilization and biomonitoring of trace-element contaminated soils

Advances and limits of two model species for ecotoxicological assessment of carbamazepine, two by-products and their mixture at environmental level in freshwater

Long-term phytoremediating abilities of Dalbergia sissoo Roxb. (Fabaceae)

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