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dc.contributor.author
Borrelli, Natalia Lorena
dc.contributor.author
Osterrieth, Margarita Luisa
dc.contributor.author
Oyarbide, Fabricio
dc.contributor.author
Marcovecchio, Jorge Eduardo
dc.date.available
2017-11-16T20:02:19Z
dc.date.issued
2009-01
dc.identifier.citation
Borrelli, Natalia Lorena; Osterrieth, Margarita Luisa; Oyarbide, Fabricio; Marcovecchio, Jorge Eduardo; Calcium biominerals in typical Argiudolls from the Pampean Plain, Argentina. An approach to the understanding of their role within the calcium biogeochemical cycle; Elsevier; Quaternary International; 193; 1-2; 1-2009; 61-69
dc.identifier.issn
1040-6182
dc.identifier.uri
http://hdl.handle.net/11336/28375
dc.description.abstract
The aims of this work are: (a) to describe the presence of calcium oxalate crystals from fungus and vegetal origin; (b) to determine the contribution from leaves; and (c) to assess the role they could play within the calcium biogeochemical cycle, in typical Argiudolls with different vegetal cover in the Pampean Plain, Argentina. Two plots with different vegetation were investigated: Acacia melanoxylon – Celtis tala and Eucalyptus globulus – Celtis tala . Leaves of the vegetation species were diaphanized and cleared with sodium hypochlorite (50%). Leaves and mycelial mats of the organic horizons were analyzed by optical, petrographic and scanning electronic microscopy. Soil samples were taken to determine particle size distribution and mineralogy, and to test calcium concentration by UV–vis spectrophotometry both in the soils’ saturated paste extract and in leached soil. Different morphologies of weddellite (i.e., primary nuclei, rosettes and druses) in the fungus hyphae were observed. Calcium oxalate crystal production was highest in A. melanoxylon and C. tala . Ca–Na feldspars are the only minerals that could release calcium to the system, but show no features of weathering. Calcium concentration in soil solution was higher in the Eucalyptus plot than in the Acacia, and it decreased from the organic to the mineral soil horizons. Fungus and vegetal calcium biomineral production, in addition to their higher susceptibility to weathering than minerals of inorganic origin, represents an important contribution to the calcium biogeochemical cycle.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Argiudol Soils
dc.subject
Ca Biominerals
dc.subject
Pampean Plain
dc.subject
Ca Biogeochemical Cycle
dc.subject.classification
Meteorología y Ciencias Atmosféricas
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Ciencias de la Tierra y relacionadas con el Medio Ambiente
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
dc.title
Calcium biominerals in typical Argiudolls from the Pampean Plain, Argentina. An approach to the understanding of their role within the calcium biogeochemical cycle
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2017-11-03T19:04:27Z
dc.journal.volume
193
dc.journal.number
1-2
dc.journal.pagination
61-69
dc.journal.pais
Países Bajos
dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Borrelli, Natalia Lorena. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Exactas y Naturales. Instituto de Geología de Costas y del Cuaternario. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas. Instituto de Geología de Costas y del Cuaternario; Argentina
dc.description.fil
Fil: Osterrieth, Margarita Luisa. Universidad Nacional de Mar del Plata. Facultad de Ciencias Exactas y Naturales. Instituto de Geología de Costas y del Cuaternario. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas. Instituto de Geología de Costas y del Cuaternario; Argentina
dc.description.fil
Fil: Oyarbide, Fabricio. Universidad Nacional de Mar del Plata. Facultad de Ciencias Exactas y Naturales. Instituto de Geología de Costas y del Cuaternario. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas. Instituto de Geología de Costas y del Cuaternario; Argentina
dc.description.fil
Fil: Marcovecchio, Jorge Eduardo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Instituto Argentino de Oceanografía. Universidad Nacional del Sur. Instituto Argentino de Oceanografía; Argentina. Universidad FASTA "Santo Tomas de Aquino"; Argentina
dc.journal.title
Quaternary International
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.quaint.2007.11.002
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S1040618207003540
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