Geochemistry and environmental threats of soils surrounding an abandoned mercury mine

Bori, Jaume; Vallès, Bettina; Navarro, Andrés; Riva, M. C.

doi:10.1007/s11356-016-6463-1

Cited by 21 publications

(12 citation statements)

References 48 publications

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“…Additionally, the studied samples were considered to have a limited habitat function because more than 80% of the test organisms preferred the control soil instead of the test soils at the end of the assay (Hund-Rinke and Wiechering 2001). Results from terrestrial bioassays with earthworms were in agreement with previous studies that highlighted the higher sensitivity of sub-lethal endpoints in the ecotoxicological evaluation of contaminated soils (Hund-Rinke et al 2002;Davies et al 2003;Bori et al 2016). On the other hand, avoidance tests with the soil arthropod F. candida were not able to detect toxicity in any of the studied samples.…”

Section: E Co To XI Co Lo G Ica L Ev a Lu A Tio Nsupporting

confidence: 90%

“…Between species, T. pratense was most sensitive to the contaminated soils, followed by B. rapa and L. perenne. The same sensitivity ranking was reported by Ramírez et al (2008) and Bori et al (2016) after exposing the same species to sewage sludge and metal-contaminated soils respectively. Regarding plant growth, all species were significantly inhibited in EM-1 and TOS whereas only L. perenne growth was inhibited in OS-6.…”

Section: E Co To XI Co Lo G Ica L Ev a Lu A Tio Nsupporting

confidence: 79%

“…On the other hand, avoidance tests with the soil arthropod F. candida were not able to detect toxicity in any of the studied samples. The lower sensitivity of collembolans in comparison with earthworms was already reported by Natal da Luz et al (2012), Hentati et al (2013), and Bori et al (2016) after studying avoidance responses in soils contaminated with pesticides, petroleum compounds and metals respectively. Even more, collembolans showed a significant attraction towards the contaminated section of the containers that increased while increasing test concentrations.…”

Section: E Co To XI Co Lo G Ica L Ev a Lu A Tio Nsupporting

confidence: 57%

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Ecotoxicological risks of the abandoned F–Ba–Pb–Zn mining area of Osor (Spain)

Bori

Vallès

Navarro

et al. 2016

Environ Geochem Health

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Aquesta és una còpia de la versió author's final draft d'un article publicat a la revista Environmental geochemistry and health.La publicació final està disponible a Springer a través de http://dx.doi.org/10.1007/s10653-016-9840-2 This is a copy of the author 's final draft version of an article published in the journal Environmental geochemistry and health. AbstractDue to its potential toxic properties, metal mobilization is of major concern in areas surrounding PbZn mines. In the present study, metal contents and toxicity of soils, water extracts from soils, and mine drainage waters from an abandoned F-Ba-Pb-Zn mining area in Osor (Girona, NE Spain) were evaluated through chemical extractions and ecotoxicity bioassays. Toxicity assessment in the terrestrial compartment included lethal and sublethal endpoints on earthworms Eisenia foetida, arthropods Folsomia candida and several plant species whereas aquatic tests involved bacteria Vibrio fischeri, microalgae Raphidocelis subcapitata and crustaceans Daphnia magna. Metal quantifications revealed high concentrations of Ba (250-5110 mg kg -1 ), Pb (940->5000 mg kg -1 ) and Zn (2370-11300 mg kg -1 ) that exceeded intervention values to protect human health. Risks for the aquatic compartment were identified through the release of drainage waters and by leaching and run-offs from metal-contaminated soils. Cd (1.98-9.15 µg L -1 ), Pb (2.11-326 µg L -1 ) and Zn (280-2900 µg L -1 ) in water samples surpassed international values of aquatic life criteria. Terrestrial ecotoxicity tests were in accordance with metal quantifications and identified the most polluted soil as the most toxic. Avoidance and reproduction tests with earthworms showed the highest sensitivity to metal contamination. Aquatic bioassays with extracts from soils confirmed the results from terrestrial tests and detected severe toxic effects caused by the mine drainage waters. Algal growth inhibition was the most sensitive aquatic endpoint. In view of the results, the application of a containment or remediative procedure in the area is encouraged.

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Section: E Co To XI Co Lo G Ica L Ev a Lu A Tio Nsupporting

confidence: 90%

Section: E Co To XI Co Lo G Ica L Ev a Lu A Tio Nsupporting

confidence: 79%

Section: E Co To XI Co Lo G Ica L Ev a Lu A Tio Nsupporting

confidence: 57%

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Ecotoxicological risks of the abandoned F–Ba–Pb–Zn mining area of Osor (Spain)

Bori

Vallès

Navarro

et al. 2016

Environ Geochem Health

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“…Knowledge of geochemical background values is also important for post-remediation assessment of soil quality. Soils of abandoned mining sites pose a serious environmental threat because of potential mobility of pollutants creating a risk of groundwater contamination and health hazards for local communities (Bori et al 2016;Pérez-Sirvent et al 2016). The study of soils in the post-mining areas should always include basic geologic, mineralogical and geochemical characteristics of the study area Romano et al 2015).…”

Section: Introductionmentioning

confidence: 99%

Geochemical background of potentially toxic trace elements in reclaimed soils of the abandoned pyrite–uranium mine (south-central Poland)

Gałuszka

Migaszewski

Duczmal-Czernikiewicz

et al. 2016

Int. J. Environ. Sci. Technol.

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Spatial distribution patterns of As, Ba, Cd, Cr, Cu, Mn, Ni, Pb, U and Zn were determined in topsoil samples collected after 40 years of chemical remediation conducted in the inoperative ''Staszic'' pyrite-uranium mine in the Holy Cross Mountains, south-central Poland. Soil samples were taken from 58 sites using a systematic random sampling design. Selected samples were subjected to an X-ray diffractometry analysis on bulk soils and separated clay fractions. Hematite, goethite and gypsum are common mineral phases in soil samples. Technogenic soils developed on reclaimed mine spoils show uniform spatial element distribution patterns and additionally a distinct enrichment in As, Pb, Mn, U and Zn. Mineral and chemical composition of soils vs. rocks points to the lithogenic source of the determined elements. The results of chemical analysis have been used for evaluation of geochemical background of trace elements in the study area with the iterative 2r-technique. This investigation shows that using mean crustal element concentrations (Clarke values) as proxies of threshold values in soils are not useful for determination of strongly positive geochemical anomalies. A modified enrichment factor, i.e. a local enrichment factor, is proposed for identification of sites where soils are contaminated.

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“…Moreover, they cannot detect toxic intermediary metabolites that increase soil toxicity (Haeseler et al 2001;Loibner et al 2003) nor provide information on bioavailability, synergic, and antagonistic phenomena (Juvonen et al 2000). On the other hand, ecotoxicological tests do integrate all soil-occurring phenomena and are therefore recommended for the ecological risk assessment of polluted soils Bori et al 2016) and as monitoring tools of hydrocarbon remediation (Salanitro et al 1997;Saterbak et al 1999;Mendonça and Picado 2002;Lors et al 2009;Megharaj et al 2011). In order to obtain useful information on potential ecological risks, such tests are usually applied in batteries that include species from different taxonomical groups and routes of exposure (Békaert et al 1999;Bispo et al 1999;Rila and Eisentraeger 2003;Fernandez et al 2005).…”

Section: Introductionmentioning

confidence: 99%

Bioassays with terrestrial and aquatic species as monitoring tools of hydrocarbon degradation

Bori¹,

Vallès²,

Ortega³

et al. 2016

Environ Sci Pollut Res

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In this study chemical analyses and ecotoxicity tests were applied for the assessment of a heavily hydrocarbon-contaminated soil prior and after the application of a remediation procedure that consisted in the stimulation of soil autochthonous populations of hydrocarbon degraders in staticventilated biopiles. Terrestrial bioassays were applied in mixtures of test soils and artificial control soil and studied the survival and reproduction of Eisenia fetida and the avoidance response of E. fetida and Folsomia candida. Effects on aquatic organisms were studied by means of acute tests with Vibrio fischeri, Raphidocelis subcapitata and Daphnia magna performed on aqueous elutriates from test soils. The bioremediation procedure led to a significant reduction in the concentration of hydrocarbons (from 34264 mg kg -1 to 3074 mg kg -1 i.e. 91% decrease) and toxicity although bioassays were not able to report a percentage decrease of toxicity as high as the percentage reduction. Sublethal tests proved the most sensitive terrestrial bioassays and avoidance tests with earthworms and springtails showed potential as monitoring tools of hydrocarbon remediation due to their high sensitivity and short duration. The concentrations of hydrocarbons in water extracts from test soils were 130 µg L -1 and 100 µg L -1 before and after remediation, respectively. Similarly to terrestrial tests, most aquatic bioassays detected a significant reduction in toxicity, which was almost negligible at the end of the treatment. D. magna survival was the most affected by soil elutriates although toxicity to the crustacean was associated to the salinity of the samples rather than to the concentration of hydrocarbons. Ecotoxicity tests with aqueous soil elutriates proved less relevant in the assessment of hydrocarbon-contaminated soils due to the low hydrosolubility of hydrocarbons and the influence of the physicochemical parameters of the aquatic medium.

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Geochemistry and environmental threats of soils surrounding an abandoned mercury mine

Cited by 21 publications

References 48 publications

Ecotoxicological risks of the abandoned F–Ba–Pb–Zn mining area of Osor (Spain)

Ecotoxicological risks of the abandoned F–Ba–Pb–Zn mining area of Osor (Spain)

Geochemical background of potentially toxic trace elements in reclaimed soils of the abandoned pyrite–uranium mine (south-central Poland)

Bioassays with terrestrial and aquatic species as monitoring tools of hydrocarbon degradation

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