Phytostabilization of polymetallic contaminated soil using<i>Medicago sativa</i>L. in combination with powdered marble: Sustainable rehabilitation

Midhat, Laila; Ouazzani, Naaila; Hejjaj, Abdessamed; Bayo, Javier; Mandi, Laila

doi:10.1080/15226514.2018.1425665

Cited by 17 publications

(10 citation statements)

References 43 publications

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“…The climate of the area is semi-arid with annual average rainfall of approximately 250 mm and the evapotranspiration can reach 1500 mm/year [24]. The mine was active for many years for the extraction of copper, zinc, iron, and cadmium, and its environmental characteristics have been previously described by several authors [3,25,26]. The abandoned Kettara mine site is almost 30 hectares of toxic mining waste containing more than three million tons of sulphurous mining wastes [26] exposed to rain, sun and wind [5].…”

Section: Soil Sampling and Analysismentioning

confidence: 99%

“…The mine was active for many years for the extraction of copper, zinc, iron, and cadmium, and its environmental characteristics have been previously described by several authors [3,25,26]. The abandoned Kettara mine site is almost 30 hectares of toxic mining waste containing more than three million tons of sulphurous mining wastes [26] exposed to rain, sun and wind [5]. Therefore, they create major environmental problems that affect the health of living beings.…”

Section: Soil Sampling and Analysismentioning

confidence: 99%

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Inoculation of Pinus halepensis with the Ectomycorrhizal Fungi Scleroderma Helps in Phytoremediation of Soil Polymetallic Pollution

Ouatiki¹,

Tounsi²,

Amir³

et al. 2021

Pol. J. Environ. Stud.

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This study aims to evaluate the effectiveness of Pinus halepensis inoculated with the ectomycorrhizal fungi spores belonging to Scleroderma in phytoremediation of polymetallic soil. Tailings were collected in the Kettara polymetallic abandoned mine in southern Morocco and diluted with sand in the following proportions, 10%, 25%, 50% and 75%. The pots experiment was conducted for six months under greenhouse conditions. The results show that the studied plant reveals a great tolerance even at high proportion of contaminated soil (75%). The average length and biomass of the aerial and root parts of both inoculated and non-inoculated seedlings decreased with the increase of the proportion of the polluted soil. The inoculated seedlings have shown higher length and biomass than non-inoculated seedlings. The symbiotic association between Pinus halepensis and the fungus Scleroderma could be proposed as an ultimate solution for the phytoremediation of polluted soils.

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Section: Soil Sampling and Analysismentioning

confidence: 99%

Section: Soil Sampling and Analysismentioning

confidence: 99%

Inoculation of Pinus halepensis with the Ectomycorrhizal Fungi Scleroderma Helps in Phytoremediation of Soil Polymetallic Pollution

Ouatiki¹,

Tounsi²,

Amir³

et al. 2021

Pol. J. Environ. Stud.

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“…The total metal concentrations were analyzed in triplicate and calculated on a dry weight basis (mg kg -1 dw). The physical and mineral properties of powdered marble were determined using the methods outlined in [25,30].…”

Section: Figurementioning

confidence: 99%

“…C. colocynthis is characterized by excluder traits and can be used successfully in phytostabilization [42]. Similar results were observed for other plant species (Medicago sativa L., Zygophyllum fabago, Helichrysum decumbens, Erica andevalensis, Tamarix sp., Lygeum spartum, Cistus, Cytisus...) in mining areas [25,[43][44][45]. The mobility of MTEs into C. colocynthis tissues from mine tailings was evaluated through the determination of the BCF (Figure 7b).…”

Section: Efficiency Of Phytoremediationmentioning

confidence: 99%

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Assisted Phytostabilization of Acidic Polymetallic Mine Tailings Using Marble Waste and Native Plant Citrullus colocynthis: Effect on Soil, Plant, and Metal Uptake

Midhat¹,

Ouazzani²,

Hejjaj³

et al. 2020

RPM

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This study aimed to assess the effectiveness of the phytostabilization ability of the native Moroccan plant Citrullus colocynthis on the neutralization of soil acidity and stabilization of metallic trace elements (MTEs) assisted by marble waste. Mine tailings (MT) collected from an abandoned polymetallic site were mixed with powdered marble (PM) using different mixing ratios (%): (MTPM25), (MTPM50), (MTPM75), and agricultural soil (AS) acting as the control. Seeds of C. colocynthis were selected and planted under greenhouse conditions. Growth parameters were measured, and the metal concentrations in substrates and plant tissues were analyzed. The greenhouse results revealed that the growth parameters of C. colocynthis in the experimental treatments were significantly (p≤0.05) lower than those in agricultural soil. The growth of C. colocynthis significantly (p≤0.05) decreased as the ratio of powdered marble increased. The greatest increase in plant biomass was observed in the MTPM25, followed by MTPM50 and MTPM75. Some phytotoxic effects on plants were observed in MPTM75. The concentrations of Zn, Cu, Pb, and Cd in C. colocynthis roots were significantly (p≤0.05) higher than those of shoots, with maximum values of 112.98 mg kg-1, 201.3 mg kg-1, 201.2 mg kg-1, and 40.03 mg kg-1, respectively. This is a typical characteristic of accumulator plants and maybe one of the tolerance mechanisms. Plants in the experimental treatments were characterized by TF<1 and BCF<1, which indicate that C. colocynthis could be useful for phytostabilization strategies. Our study demonstrates that the phytostabilization by C. colocynthis assisted by powdered marble could represent a successful and environmentally friendly strategy to remediate acidic polymetallic sites.

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Screening of new native metallophytes from copper abandoned mining site: Promising tool for phytoremediation

et al. 2023

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A field survey on abandoned mining site ‘Bir Nehass‐Morocco’ was conducted to identify new native metallophytes as a promising tool for phytoremediation. The spatial distribution of metals in tailings and mining soils was investigated and metal accumulation in plant tissues was analyzed and compared. The results indicated that the studied area was polluted by Cu, Zn, Pb and Cd Cadmium with maximum values of 2892, 27868.3, 6982 and 63.03 mg.kg−1, respectively, which are higher than background levels for agricultural soils. The concentrations of Cu, Zn, Pb and Cd decreased with the distance from the mine tailings. Thirteen species (11 families) were identified and mainly native and therophyte plants. Significant difference (p < 0.05) was observed among the average concentrations of metals in plant tissues and most values exceeded the normal concentration range. Based on the comparative analysis of heavy metals content, translocation and bioconcentration factors in plants, Aizoon canariense L, Hirschfeldia incana (L.) L. Fossat, Citrullus colocynthis (L.) Schrader and Peganum harmala L had a high accumulation ability and showed a remarkable phytoremediation potential which could be identified as promising candidates for phytoremediation techniques.

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Phytostabilization of polymetallic contaminated soil usingMedicago sativaL. in combination with powdered marble: Sustainable rehabilitation

Cited by 17 publications

References 43 publications

Inoculation of Pinus halepensis with the Ectomycorrhizal Fungi Scleroderma Helps in Phytoremediation of Soil Polymetallic Pollution

Inoculation of Pinus halepensis with the Ectomycorrhizal Fungi Scleroderma Helps in Phytoremediation of Soil Polymetallic Pollution

Assisted Phytostabilization of Acidic Polymetallic Mine Tailings Using Marble Waste and Native Plant Citrullus colocynthis: Effect on Soil, Plant, and Metal Uptake

Screening of new native metallophytes from copper abandoned mining site: Promising tool for phytoremediation

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