Spatial distribution of the soil carbon pool in a Holm oak dehesa in Spain

Simón Cid, Nuria; Montes Pita, Fernando; Díaz-Pines López de los Mozos, Eugenio; Benavides Calvo, Raquel; Roig Gómez, Sonia y Rubio Sánchez, Agustín (2013). Spatial distribution of the soil carbon pool in a Holm oak dehesa in Spain. "Plant Soil", v. 366 (n. 1-2); pp. 537-549. ISSN 0032-079X. https://doi.org/10.1007/s11104-012-1443-9.

Descripción

Título: Spatial distribution of the soil carbon pool in a Holm oak dehesa in Spain
Autor/es:
  • Simón Cid, Nuria
  • Montes Pita, Fernando
  • Díaz-Pines López de los Mozos, Eugenio
  • Benavides Calvo, Raquel
  • Roig Gómez, Sonia
  • Rubio Sánchez, Agustín
Tipo de Documento: Artículo
Título de Revista/Publicación: Plant Soil
Fecha: Mayo 2013
Volumen: 366
Materias:
Palabras Clave Informales: Agroforestry systems . Universal Kriging . Spatial variance partition . Soil C . Tree effect
Escuela: E.U.I.T. Forestal (UPM) [antigua denominación]
Departamento: Silvopascicultura [hasta 2014]
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Resumen

Aims Dehesas are agroforestry systems characterized by scattered trees among pastures, crops and/or fallows. A study at a Spanish dehesa has been carried out to estimate the spatial distribution of the soil organic carbon stock and to assess the influence of the tree cover. Methods The soil organic carbon stock was estimated from the five uppermost cm of themineral soil with high spatial resolution at two plots with different grazing intensities. The Universal Kriging technique was used to assess the spatial distribution of the soil organic carbon stocks, using tree coverage within a buffering area as an auxiliary variable. Results A significant positive correlation between tree presence and soil organic carbon stocks up to distances of around 8 m from the trees was found. The tree crown cover within a buffer up to a distance similar to the crown radius around the point absorbed 30 % of the variance in the model for both grazing intensities, but residual variance showed stronger spatial autocorrelation under regular grazing conditions. Conclusions Tree cover increases soil organic carbon stocks, and can be satisfactorily estimated by means of crown parameters. However, other factors are involved in the spatial pattern of the soil organic carbon distribution. Livestock plays an interactive role together with tree presence in soil organic carbon distribution.

Más información

ID de Registro: 21963
Identificador DC: http://oa.upm.es/21963/
Identificador OAI: oai:oa.upm.es:21963
Identificador DOI: 10.1007/s11104-012-1443-9
Depositado por: Nuria Simón Cid
Depositado el: 17 Mar 2015 16:07
Ultima Modificación: 17 Mar 2015 16:07
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