Browsing by Author "Universidade de Santiago de Compostela. Departamento de Edafoloxía e Química Agrícola"
Now showing items 1-20 of 170
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10,000 years of climate control over carbon accumulation in an Iberian bog (southwestern Europe)
Pontevedra Pombal, Francisco Xabier; Castro Fernández, Daniel; Souto Souto, Martín; Fraga Vila, María Isabel; Blake, William H.; Blaauw, Maarten; López Sáez, José Antonio; Pérez Díaz, Sebastián; Valcárcel Díaz, Marcos Carmelo; García-Rodeja Gayoso, Eduardo (Elsevier, 2019)The northwest region of the Iberian Peninsula is home to a unique ecosystem of bogs, which are particularly sensitive to projected climate change. In this context, the rate of carbon (C) accumulation in Chao de Veiga Mol, ... -
9000 years of changes in peat organic matter composition in Store Mosse (Sweden) traced using FTIR-ATR
Martínez Cortizas, Antonio Manuel; Sjöström, Jenny K.; Ryberg, Eleonor E.; Kylander, Malin E.; Kaal, Joeri; López Costas, Olalla; Álvarez Fernández, Noemí; Bindler, Richard (Wiley, 2021)Store Mosse (the ‘Great Bog’ in Swedish) is one of the most extensive bog complexes in southern Sweden (~77 km2), where pioneering palaeoenvironmental research has been carried out since the early 20th century. This includes, ... -
Adsorption of Tetracycline and Sulfadiazine onto Three Different Bioadsorbents in Binary Competitive Systems
Cela Dablanca, Raquel; Conde Cid, Manuel; Coelho, Gustavo Ferreira; Arias Estévez, Manuel; Fernández Calviño, David; Núñez Delgado, Avelino; Fernández Sanjurjo, María José; Álvarez Rodríguez, Esperanza (MDPI, 2021)Different antibiotics contained in manure, slurry, wastewater or sewage sludge are spread into the environment. The harmful effects of these antibiotics could be minimized by means of immobilization onto bioadsorbent ... -
Adsorption, desorption and fractionation of As(V) on untreated andmussel shell-treated granitic material
Seco Reigosa, Natalia; Cutillas Barreiro, Laura; Nóvoa Muñoz, Juan Carlos; Arias Estévez, Manuel; Álvarez Rodríguez, Esperanza; Fernández Sanjurjo, María José; Núñez Delgado, Avelino (Copernicus Publications, 2015)As(V) adsorption and desorption were studied ongranitic material, coarse and fine mussel shell and graniticmaterial amended with 12 and 24 t ha−1fine shell, investi-gating the effect of different As(V) concentrations and ... -
Algae in Acid Mine Drainage and Relationships with Pollutants in a Degraded Mining Ecosystem
Gomes, Patrícia; Valente, Teresa; Albuquerque, Teresa; Henriques, Renato; Flor Arnau, Núria; Pamplona, Jorge; Macías Vázquez, Felipe (MDPI, 2021)Acid mine drainage represents an extreme environment with high concentrations of potentially toxic elements and low pH values. These aquatic habitats are characterised by harsh conditions for biota, being dominated by ... -
Analysis of total arsenic content in purchased rice from Ecuador
Atiaga Franco, Oliva Lucía; Otero Pérez, Xosé Lois; Gallego Picó, Alejandrina; Escobar Castañeda, Luis A.; Bravo Yagüe, Juan C.; Carrera Villacrés, David (Czech Academy of Agricultural Sciences, 2019)Natural and anthropogenic sources contribute to arsenic contamination in water and human food chain in Andean countries. Human exposure to arsenic via rice consumption is of great concern in countries where this crop is ... -
Análisis de factibilidad y viabilidad económica en la toma de decisiones para la aplicación de cenizas en áreas forestales
Santillán Fernández, Alberto; Corbelle-Rico, Eduardo; Omil Ignacio, Beatriz; Fernández, A.; Merino, Agustín; Basurto, F.; Santoyo Cortés, Vinicio Horacio (Universidade de Santiago de Compostela. Servizo de Publicacións e Intercambio Científico, 2016)La determinación de factibilidad, accesibilidad y logística para la aplicación de cenizas a áreas forestales, es una tarea compleja que agrupa varios objetivos. Este trabajo se centra en el uso de herramientas de Sistemas ... -
Aplicación de los diagramas de volatilidad al diseño y obtención de recubrimientos cerámicos
Rey Rodríguez, Pilar (2005)Esta Tesis tiene como propósito el desarrollo de un nuevo método de obtención de recubrimientos cerámicos, basado en el tratamiento térmico de sistemas cerámicos en atmósferas fuertemente reductoras. Los recubrimientos ... -
Arsenic immobilization and transformation by biofilms developed over riverbed sediments
Martiñá Prieto, Diego (2016)Biofilms are complex communities of autotrophic and heterotrophic organisms immersed in a matrix mainly composed by polysaccharides. They are ubiquitous over wet surfaces and provide protection for microorganisms. In river ... -
Arsenic Mobility in As-Containing Soils from Geogenic Origin: Fractionation and Leachability
Martiñá Prieto, Diego; Cancelo González, José Javier; Barral Silva, María Teresa del Carmen (Hindawi, 2018)The lithogenic arsenic in soils of the Anllóns River basin (Spain) was quantified, its chemical fractions were determined, and its leachability characteristics were compared under various experimental conditions. Fifty ... -
Arsenic Transfer from As-Rich Sediments to River Water in the Presence of Biofilms
Martiñá Prieto, Diego; Martín-Liñares, Verónica; Piñeiro, Verónica; Barral Silva, María Teresa del Carmen (Hindawi, 2016-08-29)The influence of epipsammic biofilms on As release from river sediments was evaluated in a microcosm experiment where biofilms were grown on sediments containing 106 mg kg−1 As, collected in the Anllóns River, and compared ... -
As(V) and P Competitive Sorption on Soils, By-Products and Waste Materials
Rivas Pérez, Ivana María; Paradelo Núñez, Remigio; Nóvoa Muñoz, Juan Carlos; Arias Estévez, Manuel; Fernández Sanjurjo, María José; Álvarez Rodríguez, Esperanza; Núñez Delgado, Avelino (MDPI, 2015)Batch-type experiments were used to study competitive As(V) and P sorption on various soils and sorbent materials. The materials assayed were a forest soil, a vineyard soil, pyritic material, granitic material, coarsely ... -
As(V) Sorption/Desorption on Different Waste Materials and Soil Samples
Quintáns Fondo, Ana; Fernández Calviño, David; Novoa Muñoz, Juan Carlos; Arias Estévez, Manuel; Fernández Sanjurjo, María José; Álvarez Rodríguez, Esperanza; Núñez Delgado, Avelino (MDPI, 2017)Aiming to investigate the efficacy of different materials as bio-sorbents for the purification of As-polluted waters, batch-type experiments were employed to study As(V) sorption and desorption on oak ash, pine bark, ... -
Assesing the risk of salt decay for wall paintings in historic building. Thermo-dynamic modeling and transition cycles count
Pereira Pardo, Lucía; Prieto Lamas, Beatriz Loreto; Silva Hermo, Benita (Alexandru Ion Cuza University, 2017-09)Salt crystallisation is a major cause of deterioration of porous building materials, strongly related to the fluctuation of the environmental parameters. This paper explores the application of different methodologies to ... -
Assessment of Potential Nutrient Release from Phosphate Rock and Dolostone for Application in Acid Soils
Rafael, Rogério Borguete Alves; Fernández Marcos, María Luisa; COCCO, Stefania; Ruello, Maria Letizia; Weindorf, David C.; Cardelli, Valeria; CORTI, Giuseppe (Elsevier, 2018-02)Finding alternative local sources of plant nutrients is a practical, low-cost, and long-term strategy. In this study, laboratory column experiments were conducted in a completely randomized design to evaluate the feasibility ... -
Atmospheric mercury: Long-term (Late Pleistocene – Holocene) variations in mercury accumulation reconstructed using environmental archives
Pérez Rodríguez, Marta (2017)Mercury (Hg) is a naturally occurring element that is found throughout the world. Due to the toxicity of its methylated forms (MeHg) to wildlife and human health, Hg is considered a metal of major environmental concern. ... -
Availability and fractionation of Cu, Pb and Zn in an acid soil from Galicia (NW Spain) amended with municipal solid waste compost
Paradelo Núñez, Remigio; Barral Silva, María Teresa del Carmen (Universia, 2017-02)The potential availability and chemical fractionation of trace elements in soil after compost addition was studied in a laboratory incubation. An acid agricultural soil, developed on biotitic schists, was amended with ... -
Avaliação de cloretos não tamponados como extratores de alumínio associado à matéria orgânica em solos da planície costeira do estado de São Paulo
Coelho, Maurício Rizzato; Vidal Torrado, Pablo; Otero Pérez, Xosé Lois; Moreira Martins, Vanda; Macías Vázquez, Felipe (Sociedade Brasileira de Ciência do Solo, 2011)Pirofosfato de sódio é o extrator mais utilizado para a determinação do Al complexado à matéria orgânica do solo (MOS). Devido à sua falta de seletividade para algumas amostras de solos, extratores não tamponados de Cl ... -
Bacterial Community Tolerance to Tetracycline Antibiotics in Cu Polluted Soils
Santás Miguel, Vanesa; Arias Estévez, Manuel; Díaz Raviña, Montserrat; Fernández Sanjurjo, María José; Álvarez Rodríguez, Esperanza; Núñez Delgado, Avelino; Fernández Calviño, David (MDPI, 2020)The increase of bacterial community tolerance to Cu, and of cotolerance to the antibiotics tetracycline (TC), oxytetracycline (OTC) and chlortetracycline (CTC), was studied in three soils spiked with six different Cu ... -
Bioaccesibilidad del arsénico y metales pesados en arrozales de Ecuador y riesgo para la salud humana
Atiaga Franco, Oliva Lucía (2020)Esta tesis doctoral analiza la variabilidad espacial del contenido de arsénico, formas químicas de arsénico y metales pesados en arrozales ubicados en Ecuador, otros países de Latinoamérica y de la Península Ibérica. Se ...