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F. Martín-Peinado
Departamento de Edafología y Química Agrícola, Facultad de Ciencias Universidad de Granada Granada Spain

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Research article
Published: 06 February 2021 in Land Degradation & Development
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This study evaluates the effectiveness of remediation treatments in the long‐term (twenty years later) in one of the largest mine spills in the world, the Aznalcóllar accident. Soil recovery was carried out through the application of different rates of organic (compost and manure) and inorganic amendments (materials rich in iron oxides and calcium carbonate). Different amendment combinations were grouped in four treatments (T1 to T4) and applied in different sectors depending on the soil properties and the degree of initial contamination. To assess the degree of soil recovery, physicochemical properties, total, water‐soluble, and bioavailable concentrations of the main contaminants (Pb, As, Zn and Cu) were determined over time. Applied treatments increased pH, calcium carbonate and organic carbon content of soils, reduced electrical conductivity and decreased mobility of contaminants, indicating that remediation treatments were efficient recovering soils contaminated by potentially harmful elements. However, twenty years after the accident, total concentrations of Pb and As still exceed the intervention levels of the current regulations in certain areas. These areas are located in the sectors closest to the mine and where treatments T1 and T2 were applied. In these cases, the added doses of organic amendments, iron oxide‐rich soils, and carbonate amendments were not sufficiently effective, so the application of new treatments is recommended to complete the total recovery of the Guadiamar Green Corridor.

ACS Style

Rocío Pastor‐Jáuregui; Mario Paniagua‐López; Antonio Aguilar‐Garrido; Francisco Martín‐Peinado; Manuel Sierra‐Aragón. Long‐term assessment of remediation treatments applied to an area affected by a mining spill in Spain. Land Degradation & Development 2021, 32, 2481 -2492.

AMA Style

Rocío Pastor‐Jáuregui, Mario Paniagua‐López, Antonio Aguilar‐Garrido, Francisco Martín‐Peinado, Manuel Sierra‐Aragón. Long‐term assessment of remediation treatments applied to an area affected by a mining spill in Spain. Land Degradation & Development. 2021; 32 (8):2481-2492.

Chicago/Turabian Style

Rocío Pastor‐Jáuregui; Mario Paniagua‐López; Antonio Aguilar‐Garrido; Francisco Martín‐Peinado; Manuel Sierra‐Aragón. 2021. "Long‐term assessment of remediation treatments applied to an area affected by a mining spill in Spain." Land Degradation & Development 32, no. 8: 2481-2492.

Journal article
Published: 03 February 2021 in Environmental Pollution
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A long-term case of residual pollution is studied after 20 years since the largest mining accident in Spain (the Aznalcóllar spill) happened. This pollution is manifested through a surface zoning consisting of bare soils (B0), sparsely vegetated soils (B1), and densely vegetated and recovered soils (B2). A biopiles treatment with a mixture of contaminated soils (B0 and B1) with recovered soils (B2) at 50% (w/w), and vermicompost addition (50 tons ha-1) was evaluated. To assess the effectiveness of treatments, total, water-soluble, and bioavailable fractions of the most polluting elements in the zone (Cu, Zn, As, Pb, Cd, and Sb) was analyzed. To evaluate the potential risk of contamination for the ecosystem, a bioassay with earthworm Eisenia andrei was carried out. Twenty years after the accident, there are still soils where total As and Pb exceed the regulatory levels and water-soluble Zn and As exceed the toxicity guidelines. According to toxicity bioassay, weight variation and juvenile production of earthworms showed an improvement after biopiles treatment, with values that trend to be similar to those of recovered soils. The only bioaccumulated element in earthworms was Cd (BAF>1), both in polluted as in treated soils, which indicates the possible existence of exclusion mechanisms of the other pollutants by earthworms. The comparison between biopiles and polluted soils showed no significant differences for the bioaccumulation factor of trace elements, with the exception of Zn and Cu, which slightly increased after treatment. According to our results, biopiles treatment combined with vermicompost addition is a good technique for the recovery of residual contaminated areas, by the improvement of soil properties and the reduction of the potential toxicity; anyway, monitoring of soils and organisms is needed to prevent the increase of bioavailability of some potentially pollutant elements over time.

ACS Style

Lorente-Casalini Olivia; García-Carmona Minerva; Pastor-Jáuregui Rocío; Martín-Peinado Francisco José. Assessment of biopiles treatment on polluted soils by the use of Eisenia andrei bioassay. Environmental Pollution 2021, 275, 116642 .

AMA Style

Lorente-Casalini Olivia, García-Carmona Minerva, Pastor-Jáuregui Rocío, Martín-Peinado Francisco José. Assessment of biopiles treatment on polluted soils by the use of Eisenia andrei bioassay. Environmental Pollution. 2021; 275 ():116642.

Chicago/Turabian Style

Lorente-Casalini Olivia; García-Carmona Minerva; Pastor-Jáuregui Rocío; Martín-Peinado Francisco José. 2021. "Assessment of biopiles treatment on polluted soils by the use of Eisenia andrei bioassay." Environmental Pollution 275, no. : 116642.

Journal article
Published: 02 December 2020 in Documenta Praehistorica
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The interpretation of the manufacture and function of Argaric burial potteries has not been subject to a global and systematic study. As such, this paper has reconstructed the sequence of ceramic production of burial potteries of Peñalosa using analytical techniques (stereomicroscopy, X-ray diffraction and optical petrography). Ceramic ware technological features, as well as other indicators of use and repair, indicate that the pottery was used prior to the burial either in domestic contexts or during funerary rituals. This finding contrasts with data obtained at other Argaric sites, where technological and formal features point to pottery production specifically intended for burials.

ACS Style

Laura Vico Triguero; Jesús Gámiz Caro; Francisco Martín Peinado; Alejandra García García; Eva Alarcón García; Francisco Contreras Cortés; María Auxiliadora Moreno Onorato. The Argaric Pottery from Burial at Peñalosa (Jaén, Spain). Documenta Praehistorica 2020, 47, 330 -347.

AMA Style

Laura Vico Triguero, Jesús Gámiz Caro, Francisco Martín Peinado, Alejandra García García, Eva Alarcón García, Francisco Contreras Cortés, María Auxiliadora Moreno Onorato. The Argaric Pottery from Burial at Peñalosa (Jaén, Spain). Documenta Praehistorica. 2020; 47 ():330-347.

Chicago/Turabian Style

Laura Vico Triguero; Jesús Gámiz Caro; Francisco Martín Peinado; Alejandra García García; Eva Alarcón García; Francisco Contreras Cortés; María Auxiliadora Moreno Onorato. 2020. "The Argaric Pottery from Burial at Peñalosa (Jaén, Spain)." Documenta Praehistorica 47, no. : 330-347.

Journal article
Published: 29 October 2020 in Minerals
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Soil arsenic (As) pollution is still a major concern due to its high toxicity and carcinogenicity, thus, the study of decontamination techniques, as the organic amendment applications, keeps upgrading. This research evaluates the potential remediation of peat in different As-polluted soils, by assessing the decrease of As solubility and its toxicity through bioassays. Obtained reduction in As solubility by peat addition was strongly related to the increase of humic substances, providing colloids that allow the complexation of As compounds. Calcareous soils have been the least effective at buffering As pollution, with higher As concentrations and worse biological response (lower soil respiration and inhibition of lettuce germination). Non-calcareous soils showed lower As concentrations due to the higher iron content, which promotes As fixation. Although in both cases, peat addition improves the biological response, it also showed negative effects, hypothetically due to peat containing toxic polyphenolic compounds, which in the presence of carbonates appears to be concealed. Both peat dose tested (2% and 5%) decreased drastically As mobility; however, for calcareous soils, as there is no phytotoxic effect, the 5% dose is the most recommended; while for non-calcareous soils the efficient peat dose for As decontamination could be lower.

ACS Style

Antonio Aguilar-Garrido; Ana Romero-Freire; Minerva García-Carmona; Francisco Martín Peinado; Manuel Sierra Aragón; Francisco Martínez Garzón. Arsenic Fixation in Polluted Soils by Peat Applications. Minerals 2020, 10, 968 .

AMA Style

Antonio Aguilar-Garrido, Ana Romero-Freire, Minerva García-Carmona, Francisco Martín Peinado, Manuel Sierra Aragón, Francisco Martínez Garzón. Arsenic Fixation in Polluted Soils by Peat Applications. Minerals. 2020; 10 (11):968.

Chicago/Turabian Style

Antonio Aguilar-Garrido; Ana Romero-Freire; Minerva García-Carmona; Francisco Martín Peinado; Manuel Sierra Aragón; Francisco Martínez Garzón. 2020. "Arsenic Fixation in Polluted Soils by Peat Applications." Minerals 10, no. 11: 968.

Journal article
Published: 03 February 2020 in Applied Sciences
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This study is focused on one of the most important spills that ever happened in Europe, the Aznalcóllar’s mine spill. The extensive application of phytostabilization in the area led to the implementation of the Guadiamar Green Corridor (GGC). Soil physicochemical properties were analyzed and the total concentration of Pb, As, Zn and Cu was measured by X-ray fluorescence (XRF); bioassay using Lactuca sativa L. was applied to assess potential toxicity. Two decades after the accident, some soils affected by residual contamination continue to appear in the area. According to regulatory levels, Pb and As concentrations are exceeded in around 13%and 70%, respectively, in the uppermost part of the soils (first 10 cm). The change in soil properties after bioremediation treatment positively promoted the reduction in the potential mobility of pollutants by the increase in pH, CaCO3 content and organic carbon. Anyway, the bioassay with Lactuca sativa, indicated that around 25% of the soils showed toxicity by the reduction of the root elongation in relation to the control samples. Our results indicate that monitoring of the GGC is still needed, together with the application of soil recovery measures to reduce the potential toxicity in some sectors of the affected area.

ACS Style

Rocío Pastor-Jáuregui; Mario Paniagua-López; Javier Martínez-Garzón; Francisco Martín-Peinado; Manuel Sierra-Aragón. Evolution of the Residual Pollution in Soils after Bioremediation Treatments. Applied Sciences 2020, 10, 1006 .

AMA Style

Rocío Pastor-Jáuregui, Mario Paniagua-López, Javier Martínez-Garzón, Francisco Martín-Peinado, Manuel Sierra-Aragón. Evolution of the Residual Pollution in Soils after Bioremediation Treatments. Applied Sciences. 2020; 10 (3):1006.

Chicago/Turabian Style

Rocío Pastor-Jáuregui; Mario Paniagua-López; Javier Martínez-Garzón; Francisco Martín-Peinado; Manuel Sierra-Aragón. 2020. "Evolution of the Residual Pollution in Soils after Bioremediation Treatments." Applied Sciences 10, no. 3: 1006.

Research article
Published: 31 October 2019 in Geoarchaeology
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To understand abandonment processes and secondary uses of public buildings is a key‐challenge to recognize the scope of the urban transformations in Roman cities during Late Antiquity. In this sense, administrative and religious public spaces such as the fora underwent a great variety of transformations resulting in the genesis of a complex stratigraphy of anthropogenic and natural deposits. Baelo Claudia is a well‐known Roman city located in the Atlantic coast of southern Spain. Recent excavations in the forum have provided new data that elucidate Late Roman urban transformations. In this study, we use archaeological soil micromorphology, physico‐chemical analyses and geochemistry to investigate site formation processes and to document nontraditional forms of occupation not visible in the macroscopic archaeological record. This methodology allowed for the distinction of several anthropogenic activities such as glass recycling, reflooring practices, plundering of ornamental marbles, middening of organic and penning residues, together with the progressive decay of earth‐based constructions. The complex superposition of site formation processes seen at Baelo Claudia underlines the role of micromorphology in the identification of behavioral signatures and its relevance in deciphering urban transformation in Late Antiquity.

ACS Style

Mario Gutiérrez‐Rodríguez; Laurent Brassous; Oliva Rodríguez Gutiérrez; Francisco José Martín Peinado; Margarita Orfila; Paul Goldberg. Site formation processes and urban transformations during Late Antiquity from a high‐resolution geoarchaeological perspective: Baelo Claudia , Spain. Geoarchaeology 2019, 35, 258 -286.

AMA Style

Mario Gutiérrez‐Rodríguez, Laurent Brassous, Oliva Rodríguez Gutiérrez, Francisco José Martín Peinado, Margarita Orfila, Paul Goldberg. Site formation processes and urban transformations during Late Antiquity from a high‐resolution geoarchaeological perspective: Baelo Claudia , Spain. Geoarchaeology. 2019; 35 (2):258-286.

Chicago/Turabian Style

Mario Gutiérrez‐Rodríguez; Laurent Brassous; Oliva Rodríguez Gutiérrez; Francisco José Martín Peinado; Margarita Orfila; Paul Goldberg. 2019. "Site formation processes and urban transformations during Late Antiquity from a high‐resolution geoarchaeological perspective: Baelo Claudia , Spain." Geoarchaeology 35, no. 2: 258-286.

Journal article
Published: 01 March 2019 in Geoderma
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M. García-Carmona; A. Romero-Freire; M. Sierra Aragón; F.J. Martín Peinado. Effectiveness of ecotoxicological tests in relation to physicochemical properties of Zn and Cu polluted Mediterranean soils. Geoderma 2019, 338, 259 -268.

AMA Style

M. García-Carmona, A. Romero-Freire, M. Sierra Aragón, F.J. Martín Peinado. Effectiveness of ecotoxicological tests in relation to physicochemical properties of Zn and Cu polluted Mediterranean soils. Geoderma. 2019; 338 ():259-268.

Chicago/Turabian Style

M. García-Carmona; A. Romero-Freire; M. Sierra Aragón; F.J. Martín Peinado. 2019. "Effectiveness of ecotoxicological tests in relation to physicochemical properties of Zn and Cu polluted Mediterranean soils." Geoderma 338, no. : 259-268.

Journal article
Published: 23 January 2019 in Chemosphere
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The risk assessment of pollution associated with metal extraction process is a social responsibility. The initial goal of this type of assessment should be the use of a methodology able to combine the use of easy application, low cost and high efficiency-techniques to provide the necessary information with the least amount of investment in time and money as possible. A suitable option maybe a combination of a simple, quick and reliable analytical technique such as PXRF with bioassays and chemometric tools like HCA, PCA or LDA as a viable approach to carrying out a preliminary estimation of phytotoxicity levels associated to the soil sampled in a metal-contaminated area. The method we propose has been shown to be a quick, economical and reliable tool for use in the first stages of environmental risk characterization in mining areas. Particularly, the use of root elongation (RE) as the classification criteria provides a viable approach for selecting the final samples (or zones) in which an “in-depth” investigation plan will be designed as part of a future remediation strategy.

ACS Style

S. Morales Ruano; F.J. Martín-Peinado; C.M. Estepa Molina; M.G. Bagur-González. A quick methodology for the evaluation of preliminary toxicity levels in soil samples associated to a potentially heavy-metal pollution in an abandoned ore mining site. Chemosphere 2019, 222, 345 -354.

AMA Style

S. Morales Ruano, F.J. Martín-Peinado, C.M. Estepa Molina, M.G. Bagur-González. A quick methodology for the evaluation of preliminary toxicity levels in soil samples associated to a potentially heavy-metal pollution in an abandoned ore mining site. Chemosphere. 2019; 222 ():345-354.

Chicago/Turabian Style

S. Morales Ruano; F.J. Martín-Peinado; C.M. Estepa Molina; M.G. Bagur-González. 2019. "A quick methodology for the evaluation of preliminary toxicity levels in soil samples associated to a potentially heavy-metal pollution in an abandoned ore mining site." Chemosphere 222, no. : 345-354.

Review
Published: 05 April 2018 in Agronomy for Sustainable Development
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ACS Style

Carmen Rocío Rodríguez Pleguezuelo; Victor Hugo Duran Zuazo; José Ramón Francia Martínez; Francisco José Martín Peinado; Francisco Moreno Martín; Iván Francisco García Tejero. Organic olive farming in Andalusia, Spain. A review. Agronomy for Sustainable Development 2018, 38, 1 .

AMA Style

Carmen Rocío Rodríguez Pleguezuelo, Victor Hugo Duran Zuazo, José Ramón Francia Martínez, Francisco José Martín Peinado, Francisco Moreno Martín, Iván Francisco García Tejero. Organic olive farming in Andalusia, Spain. A review. Agronomy for Sustainable Development. 2018; 38 (2):1.

Chicago/Turabian Style

Carmen Rocío Rodríguez Pleguezuelo; Victor Hugo Duran Zuazo; José Ramón Francia Martínez; Francisco José Martín Peinado; Francisco Moreno Martín; Iván Francisco García Tejero. 2018. "Organic olive farming in Andalusia, Spain. A review." Agronomy for Sustainable Development 38, no. 2: 1.

Journal article
Published: 27 October 2017 in Science of The Total Environment
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The assessment of potential trace metal(loid) contamination in tailing dumps and soils was characterized in the Chadak mining area (Uzbekistan). Concentrations of trace elements (V, Cr, Co, Ni, Cu, Zn, As, Cd, Sb, Pb) were determined by X-ray fluorescence analysis and compared with background and intervention values (IV). The concentrations of As, Zn, Sb, and Pb were higher in the abandoned than in the active tailing dump, ranging from 42–1689 mg/kg for As, 73–332 mg/kg for Zn, 14–1507 mg/kg for Sb, and 27–386 mg/kg for Pb. Selective extractions were applied in order to assess the mobility and availability of trace metal(loid)s in samples. Oxyanion-forming elements such as As and Sb were immobilized by Fe oxides, although to some extent also extractable with acetic acid and soluble-in-water forms were detected, indicating potential bioavailability that can impose a potential toxicity risk for the environment. Selective extractions data also showed that Zn and Pb were relatively immobile, although in higher contamination sites significant amounts of these elements were also extractable with acetic acid. In tailing materials Zn and Pb mobility were negatively correlated by the cation-exchange capacity (CEC) and clay content, indicating the importance of these factors in the reduction of the potential toxicity for these elements. Total concentration of As, Sb, and Pb were also negatively correlated with soil pH, indicating that the oxidation process of sulphide tailings and thus the generation of acidic conditions may lead to release of contaminants over time. However, due to the calcium carbonate content, the acid neutralization capacity of the tailings is not yet exhausted and contaminant concentrations in soil-pore water are still relatively low. The results of our investigation suggest that environmental risk associated with these wastes in semi-arid climate is therefore not a short-term problem but rather requires constant monitoring and additional ecotoxicological studies.

ACS Style

Obidjon Kodirov; Michael Kersten; Nosir Shukurov; Francisco Jose Martin Peinado. Trace metal(loid) mobility in waste deposits and soils around Chadak mining area, Uzbekistan. Science of The Total Environment 2017, 622-623, 1658 -1667.

AMA Style

Obidjon Kodirov, Michael Kersten, Nosir Shukurov, Francisco Jose Martin Peinado. Trace metal(loid) mobility in waste deposits and soils around Chadak mining area, Uzbekistan. Science of The Total Environment. 2017; 622-623 ():1658-1667.

Chicago/Turabian Style

Obidjon Kodirov; Michael Kersten; Nosir Shukurov; Francisco Jose Martin Peinado. 2017. "Trace metal(loid) mobility in waste deposits and soils around Chadak mining area, Uzbekistan." Science of The Total Environment 622-623, no. : 1658-1667.

Journal article
Published: 01 September 2017 in Environmental Pollution
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We evaluated the long-term (18 year) and short-term (4 weeks) changes of Sb in contaminated soil with SOM increase under remediation process. In the Aznalcóllar mine accident (1998) contaminated area, the remediation measurement implemented the Guadiamar Green Corridor, where residual pollution is still detected. Soils of the re-vegetated area (O2) with high pH and high SOM content, moderately re-vegetated area (O1) and unvegetated area (C) were sampled. Soil pH, CEC, SOM amount and soil Sb forms were evaluated. Soil Sb was measured as total, soluble, exchangeable, EDTA extractable, acid oxalate extractable, and pyro-phosphate extractable fractions. Further, the short-term effect of artificial organic matter addition was also evaluated with incubation study by adding compost to the sampled soil from C, O1 and O2 areas. After 4 weeks of incubation, soil chemical properties and Sb forms were evaluated. In re-vegetated area (O2), soil total Sb was two times lower than in unvegetated area (C); however, soluble, exchangeable, and EDTA extractable Sb were 2-8 times higher. The mobile/bioavailable Sb increase was also observed after 4 weeks of incubation with the addition of compost. Soluble, exchangeable, and EDTA extractable Sb was increased 2-4 times by compost addition. By the linear regression analysis, the significantly related factors for soluble, exchangeable, and EDTA extractable Sb values were pH, CEC, and SOM, respectively. Soluble Sb increase was mainly related to pH rise. Exchangeable Sb should be bound by SOM-metal complex and increased with CEC. EDTA extractable fraction should be increased with increase of SOM as SOM-Fe associated Sb complex. From these results, it was shown that increase of SOM under natural conditions or application of organic amendment under remediation process should increase availability of Sb to plants.

ACS Style

Yasuo Mitsui Nakamaru; Francisco José Martín Peinado. Effect of soil organic matter on antimony bioavailability after the remediation process. Environmental Pollution 2017, 228, 425 -432.

AMA Style

Yasuo Mitsui Nakamaru, Francisco José Martín Peinado. Effect of soil organic matter on antimony bioavailability after the remediation process. Environmental Pollution. 2017; 228 ():425-432.

Chicago/Turabian Style

Yasuo Mitsui Nakamaru; Francisco José Martín Peinado. 2017. "Effect of soil organic matter on antimony bioavailability after the remediation process." Environmental Pollution 228, no. : 425-432.

Journal article
Published: 24 May 2017 in Land Degradation & Development
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The establishment of gypsicolous vegetation of high conservation value on land impacted by quarrying requires restoration measures to overcome constraints imposed by the new landforms created in the process. The aim of this study was to assess the suitability of three standard hydroseeding methods to restore gypsicolous vegetation on quarry spoil slopes under a dry Mediterranean climate. The treatments were: paper cellulose mulch; paper cellulose mulch + organic blanket; and wood fibre mulch; compared against a control. These treatments were tested on two slopes (10-15% vs 60-65%) and two contrasting aspects (north vs south). We evaluated the cover of all plant species 2.8 years after treatment, assessing both target gypsicolous species and non-target species. Our results showed strong compositional and cover differences between hydroseeded and control plots. Control plots had a low cover of target species with a vegetation composed of early-successional species that had the potential to hinder target species establishment over time. All hydroseeding treatments improved target vegetation cover, with wood fibre performing best in most situations studied here, alternatives being the cheaper but less effective paper mulch on shallow slopes; or the more expensive paper mulch + blanket on steep slopes in case of high erosion risk. Shallow and southern-steep slopes were more suitable for the recovery of gypsum vegetation by hydroseeding, compared to northern-steep slopes where non-target species developed more readily outcompeting target species. These results will help to guide management decisions to restore gypsicolous vegetation by hydroseeding in disturbed gypsum habitats.

ACS Style

Miguel Ballesteros; Eva María Cañadas; Rob H. Marrs; Ana Foronda; Francisco José Martín-Peinado; Juan Lorite. Restoration of Gypsicolous Vegetation on Quarry Slopes: Guidance for Hydroseeding under Contrasting Inclination and Aspect. Land Degradation & Development 2017, 28, 2146 -2154.

AMA Style

Miguel Ballesteros, Eva María Cañadas, Rob H. Marrs, Ana Foronda, Francisco José Martín-Peinado, Juan Lorite. Restoration of Gypsicolous Vegetation on Quarry Slopes: Guidance for Hydroseeding under Contrasting Inclination and Aspect. Land Degradation & Development. 2017; 28 (7):2146-2154.

Chicago/Turabian Style

Miguel Ballesteros; Eva María Cañadas; Rob H. Marrs; Ana Foronda; Francisco José Martín-Peinado; Juan Lorite. 2017. "Restoration of Gypsicolous Vegetation on Quarry Slopes: Guidance for Hydroseeding under Contrasting Inclination and Aspect." Land Degradation & Development 28, no. 7: 2146-2154.

Journal article
Published: 01 April 2017 in Journal of Environmental Management
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Residual soil pollution from the Aznalcóllar mine spill is still a problem in some parts of the affected area, today converted in the Guadiamar Green Corridor. Dispersed spots of polluted soils, identified by the absence of vegetation, are characterized by soil acid pH and high concentrations of As, Pb, Cu and Zn. Ex situ remediation techniques were performed with unrecovered soil samples. Landfarming, Composting and Biopiles techniques were tested in order to immobilize pollutants, to improve soil properties and to promote vegetation recovery. The effectiveness of these techniques was assessed by toxicity bioassays: Lactuca sativa L. root elongation test, Vibrio fischeri bioluminescence reduction test, soil induced respiration test, and Eisenia andrei survival and metal bioaccumulation tests. Landfarming and Composting were not effective techniques, mainly due to the poor improvement of soil properties which maintained high soluble concentrations of Zn and Cu after treatments. Biopile technique, using adjacent recovered soils in the area, was the most effective action in the reduction of soil toxicity; the improvement of soil properties and the reduction in pollutants solubility were key to improve the response of the tested organisms. Therefore, the mixture of recovered soils with polluted soils in the areas affected by residual contamination is considered a more suitable technique to reduce the residual pollution and to promote the complete soil recovery in the Guadiamar Green Corridor.

ACS Style

M. García-Carmona; A. Romero-Freire; M. Sierra Aragón; F.J. Martínez Garzón; F.J. Martín Peinado. Evaluation of remediation techniques in soils affected by residual contamination with heavy metals and arsenic. Journal of Environmental Management 2017, 191, 228 -236.

AMA Style

M. García-Carmona, A. Romero-Freire, M. Sierra Aragón, F.J. Martínez Garzón, F.J. Martín Peinado. Evaluation of remediation techniques in soils affected by residual contamination with heavy metals and arsenic. Journal of Environmental Management. 2017; 191 ():228-236.

Chicago/Turabian Style

M. García-Carmona; A. Romero-Freire; M. Sierra Aragón; F.J. Martínez Garzón; F.J. Martín Peinado. 2017. "Evaluation of remediation techniques in soils affected by residual contamination with heavy metals and arsenic." Journal of Environmental Management 191, no. : 228-236.

Research article
Published: 04 June 2016 in Land Degradation & Development
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This work evaluated how pine plantations established on old fields and degraded lands influence soil properties in comparison with adjacent unplanted areas that undergo into secondary succession, and native forests, analysing the effects of abiotic variables and stand characteristics in the afforestation process. Thirty‐two paired sites (pine plantations versus unplanted areas) and 10 native forests were selected in the SE Spain. In total, 74 soil profiles were studied, and 222 composite soil samples were collected at three different depths. Soil organic carbon, cation exchange capacity, and C : N ratio showed significantly greater values in pine plantations in relation to the unplanted areas (0–5 cm), and the mean values of soil organic carbon, nitrogen (N), C : N ratio, and cation exchange capacity in these pine plantations were similar to those found under native forests. Only K+ concentrations were clearly higher in the native forests than in the other land uses for all depths analysed. Pine plantations in the drier and warmer areas showed lower soil quality in relation to the paired unplanted areas, as well as the younger and denser ones; it may be because under these situations, more time is needed to produce an improvement. In fact, the paired net variations increased with the stand age and/or tree size. In conclusion, pine plantations were in general more efficient in improving parameters related to soil quality, especially in locations with high soil water retention capacity, which in our study area were found at higher and cooler elevations. Copyright © 2016 John Wiley & Sons, Ltd.

ACS Style

Francisco J. Martín‐Peinado; Francisco B. Navarro; Maria Noelia Jimenez; Manuel Sierra; Francisco J. Martínez; Ana Romero-Freire; Leopoldo Rojo; Emilia Fernández. Long‐term Effects of Pine Plantations on Soil Quality in Southern Spain. Land Degradation & Development 2016, 27, 1709 -1720.

AMA Style

Francisco J. Martín‐Peinado, Francisco B. Navarro, Maria Noelia Jimenez, Manuel Sierra, Francisco J. Martínez, Ana Romero-Freire, Leopoldo Rojo, Emilia Fernández. Long‐term Effects of Pine Plantations on Soil Quality in Southern Spain. Land Degradation & Development. 2016; 27 (7):1709-1720.

Chicago/Turabian Style

Francisco J. Martín‐Peinado; Francisco B. Navarro; Maria Noelia Jimenez; Manuel Sierra; Francisco J. Martínez; Ana Romero-Freire; Leopoldo Rojo; Emilia Fernández. 2016. "Long‐term Effects of Pine Plantations on Soil Quality in Southern Spain." Land Degradation & Development 27, no. 7: 1709-1720.

Journal article
Published: 19 January 2016 in Acta Agronómica
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En suelos Andisoles y Vertisoles, bajo condiciones controladas, se evaluó el efecto de ácidos húmicos purificados en concentraciones de 0%, 2.5% y 5% (peso/peso)) sobre la extracción secuencial de metales pesados después de incubación a 60 y 90 días. El fraccionamiento de los metales (Ni, Cu, Zn, Cd y Pb) en suelos contaminados y enmendados con ácidos húmicos se realizó mediante extracción secuencial de Tessier. La movilidad de los metales se redujo con la adición de dichos ácidos, con mayor retención de Ni, Cu, Zn y Cd en la matriz del suelo (fracción residual). El Pb en ambos suelos y el Zn en Vertisol experimentaron incremento significativo en su movilidad, mayor biodisponibilidad y potencial de afectación de diferentes componentes del medio-ambiente. El incremento del tiempo de incubación permitió la interacción de los metales con los componentes de los suelos, generando disminución de su movilidad por mecanismos como formación de complejos estables y/o incremento de la capacidad de intercambio catiónico (CIC) de los suelos. Los ácidos húmicos pueden ser utilizados, en general, como enmienda orgánica para la recuperación de suelos contaminados con metales pesados.

ACS Style

Luis Enrique Cortes Paez; Isabel Del Socorro Bravo Realpe; Francisco José Martin Peinado; Juan Carlos Menjivar Flores. Extracción secuencial de metales pesados en dos suelos contaminados (Andisol y Vertisol) enmendados con ácidos húmicos. Acta Agronómica 2016, 65, 232 -238.

AMA Style

Luis Enrique Cortes Paez, Isabel Del Socorro Bravo Realpe, Francisco José Martin Peinado, Juan Carlos Menjivar Flores. Extracción secuencial de metales pesados en dos suelos contaminados (Andisol y Vertisol) enmendados con ácidos húmicos. Acta Agronómica. 2016; 65 (3):232-238.

Chicago/Turabian Style

Luis Enrique Cortes Paez; Isabel Del Socorro Bravo Realpe; Francisco José Martin Peinado; Juan Carlos Menjivar Flores. 2016. "Extracción secuencial de metales pesados en dos suelos contaminados (Andisol y Vertisol) enmendados con ácidos húmicos." Acta Agronómica 65, no. 3: 232-238.

Journal article
Published: 04 January 2016 in Geoheritage
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The necessary preservation of the geological heritage may involve certain drawbacks for researchers. In some cases, protection impedes close-up analyses and detailed observations, and in many cases, sampling is prohibited. We use portable X-Ray fluorescence (PXRF), to advance knowledge without damaging these sites of interest. In this case, we have focused on Cretaceous-Paleogene (K/Pg) boundary outcrop in the Caravaca section (Spain), although the methodology can be extrapolated to other protected geosites worldwide. The results indicate that PXRF is a reliable technique in the study of geochemical anomalies and a useful tool in the screening and characterization of protected geosites.

ACS Style

F. J. Martín-Peinado; F. J. Rodríguez-Tovar. Researching Protected Geosites: In Situ and Non-Destructive Analysis of Mass-Extinction Bioevents. Geoheritage 2016, 8, 351 -357.

AMA Style

F. J. Martín-Peinado, F. J. Rodríguez-Tovar. Researching Protected Geosites: In Situ and Non-Destructive Analysis of Mass-Extinction Bioevents. Geoheritage. 2016; 8 (4):351-357.

Chicago/Turabian Style

F. J. Martín-Peinado; F. J. Rodríguez-Tovar. 2016. "Researching Protected Geosites: In Situ and Non-Destructive Analysis of Mass-Extinction Bioevents." Geoheritage 8, no. 4: 351-357.

Journal article
Published: 01 December 2015 in CATENA
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ACS Style

Manuel Sánchez-Marañón; Ana Romero-Freire; Francisco José Martín-Peinado. Soil-color changes by sulfuricization induced from a pyritic surface sediment. CATENA 2015, 135, 173 -183.

AMA Style

Manuel Sánchez-Marañón, Ana Romero-Freire, Francisco José Martín-Peinado. Soil-color changes by sulfuricization induced from a pyritic surface sediment. CATENA. 2015; 135 ():173-183.

Chicago/Turabian Style

Manuel Sánchez-Marañón; Ana Romero-Freire; Francisco José Martín-Peinado. 2015. "Soil-color changes by sulfuricization induced from a pyritic surface sediment." CATENA 135, no. : 173-183.

Journal article
Published: 20 November 2015 in Environmental Pollution
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Residual pollution in the Guadiamar Green Corridor still remains after Aználcollar mine spill in 1998. The polluted areas are identified by the absence of vegetation, soil acidic pH and high concentrations of As, Pb, Zn and Cu. Soil toxicity was assessed by lettuce root elongation and induced soil respiration bioassays. In bare soils, total As and Pb concentrations and water-extractable levels for As, Zn and Cu exceeded the toxicity guidelines. Pollutants responsible for toxicity were different depending on the tested organism, with arsenic being most toxic for lettuce and the metal mixture to soil respiration. Soil properties, such as pH or organic carbon content, are key factors to control metal availability and toxicity in the area. According to our results, there is a risk of pollution to living organisms and the soil quality criteria established in the area should be revised to reduce the risk of toxicity.

ACS Style

A. Romero-Freire; I. García Fernández; M. Simón Torres; F.J. Martínez Garzón; Francisco José Martín Peinado. Long-term toxicity assessment of soils in a recovered area affected by a mining spill. Environmental Pollution 2015, 208, 553 -561.

AMA Style

A. Romero-Freire, I. García Fernández, M. Simón Torres, F.J. Martínez Garzón, Francisco José Martín Peinado. Long-term toxicity assessment of soils in a recovered area affected by a mining spill. Environmental Pollution. 2015; 208 ():553-561.

Chicago/Turabian Style

A. Romero-Freire; I. García Fernández; M. Simón Torres; F.J. Martínez Garzón; Francisco José Martín Peinado. 2015. "Long-term toxicity assessment of soils in a recovered area affected by a mining spill." Environmental Pollution 208, no. : 553-561.

Journal article
Published: 01 May 2015 in Science of The Total Environment
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Soil pollution from the spill of Aznalcóllar mine (S Spain) was monitored by analysing polluted soils in 1998, 1999, and 2004. Following the methodology used in previous studies, in 2013 we conducted a new sampling and analysis of the soils affected by the spill and the data were compared with those of 2004. The results confirm that the pH tended to rise and concentration of pollutants tended to diminish over time. In 2013, the total concentration of pollutants was within the normal range for uncontaminated soils and close to the background concentration of the soils prior to the spill; while the soluble concentration of pollutants was clearly below the toxic level. These results indicate that remediation measures implemented have been effective. However, the removal of tailings (first remediation measure applied) was deficient and in many places the tailings were mixed with the soil. The high concentration of sulphides and metal(loid)s in the tailings gave rise to spots with very acidic and highly polluted soils devoid of vegetation. In 2013, fifteen years after the spill, these spots of bare soils remain a major source of pollution from which pollutants are scattered through the solid and liquid phases of runoff water, requiring action to immobilize pollutants and encourage the restoration of vegetation on these soils. In this type of pollution in a Mediterranean environment, the complete removal of tailings is more important than the speed at which they are removed.

ACS Style

F.J. Martín Peinado; Ana Romero-Freire; I. García Fernández; Manuel Sierra Aragon; I. Ortiz-Bernad; M. Simón Torres. Long-term contamination in a recovered area affected by a mining spill. Science of The Total Environment 2015, 514, 219 -223.

AMA Style

F.J. Martín Peinado, Ana Romero-Freire, I. García Fernández, Manuel Sierra Aragon, I. Ortiz-Bernad, M. Simón Torres. Long-term contamination in a recovered area affected by a mining spill. Science of The Total Environment. 2015; 514 ():219-223.

Chicago/Turabian Style

F.J. Martín Peinado; Ana Romero-Freire; I. García Fernández; Manuel Sierra Aragon; I. Ortiz-Bernad; M. Simón Torres. 2015. "Long-term contamination in a recovered area affected by a mining spill." Science of The Total Environment 514, no. : 219-223.

Journal article
Published: 14 February 2015 in Journal of Hazardous Materials
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Soil contamination with lead is a worldwide problem. Pb can cause adverse effects, but its mobility and availability in the terrestrial environment are strongly controlled by soil properties. The present study investigated the influence of different soil properties on the solubility of lead in laboratory spiked soils, and its toxicity in three bioassays, including Lactuca sativa root elongation and Vibrio fischeri illumination tests applied to aqueous extracts and basal soil respiration assays. Final aim was to compare soil-dependent toxicity with guideline values. The L. sativa bioassay proved to be more sensitive to Pb toxicity than the V. fischeri and soil respiration tests. Toxicity was significantly correlated with soil properties, with soil pH, carbonate and organic carbon content being the most important factors. Therefore, these variables should be considered when defining guideline values.

ACS Style

A. Romero-Freire; F.J. Martin Peinado; Kees van Gestel. Effect of soil properties on the toxicity of Pb: Assessment of the appropriateness of guideline values. Journal of Hazardous Materials 2015, 289, 46 -53.

AMA Style

A. Romero-Freire, F.J. Martin Peinado, Kees van Gestel. Effect of soil properties on the toxicity of Pb: Assessment of the appropriateness of guideline values. Journal of Hazardous Materials. 2015; 289 ():46-53.

Chicago/Turabian Style

A. Romero-Freire; F.J. Martin Peinado; Kees van Gestel. 2015. "Effect of soil properties on the toxicity of Pb: Assessment of the appropriateness of guideline values." Journal of Hazardous Materials 289, no. : 46-53.