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<sup>13</sup>C NMR and FTIR spectroscopy characterization of humic acids in spodosols under tropical rain forest in southeastern Brazil
ArticleAbstract: The aim of the present study was to characterize the humic acids (HAs) in spodosols developed on quaPalabras claves:Podzolization, soil organic matter, spectroscopy, Tropical podzolsAutores:Colnago L.A., Gomes F.H., González-Pérez M., Martin-Neto L., Milori D.M.B.P., Vidal-Torrado P., Xosé Luis Otero PérezFuentes:scopusHumic substances in estuarine soils colonized by Spartina maritima
ArticleAbstract: This study characterizes humic substances (HS) from two soils colonized by Spartina maritima at diffPalabras claves:Estuary, humic substances, Salt marshes, Spartina maritima, spectroscopic techniques, δ C 13Autores:Ángel Álvarez M., González-Pérez M., Santín C., Vázquez F.M., Xosé Luis Otero PérezFuentes:scopusVariations of organic carbon stock in reclaimed estuarine soils (Villaviciosa estuary, NW Spain)
ArticleAbstract: A study was carried out in the Villaviciosa Estuary (Asturias, NW Spain) to determine the effects ofPalabras claves:Estuary, Polderization, Soil organic carbon, Soil ripeningAutores:Álvarez M.A., Fernández S., González-Pérez M., Santín C., Xosé Luis Otero PérezFuentes:scopus