Aboveground soil C inputs in the ecotone between Scots pine and Pyrenean oak in Sierra de Guadarrama

Díaz Pinés, Eugenio and Rubio Sánchez, Agustín and Montes Pita, Fernando (2011). Aboveground soil C inputs in the ecotone between Scots pine and Pyrenean oak in Sierra de Guadarrama. "Forest Systems", v. 20 (n. 3); pp. 485-495. ISSN 2171-9845. https://doi.org/10.5424/fs/20112003-11083.

Description

Title: Aboveground soil C inputs in the ecotone between Scots pine and Pyrenean oak in Sierra de Guadarrama
Author/s:
  • Díaz Pinés, Eugenio
  • Rubio Sánchez, Agustín
  • Montes Pita, Fernando
Item Type: Article
Título de Revista/Publicación: Forest Systems
Date: 2011
Volume: 20
Subjects:
Freetext Keywords: Litterfall; Pinus sylvestris; Quercus pyrenaica; Ecotone; Mediterranean mountain
Faculty: E.T.S.I. Montes, Forestal y del Medio Natural (UPM)
Department: Sistemas y Recursos Naturales
Creative Commons Licenses: None

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Abstract

Aboveground litterfall from Pyrenean oak (Quercus pyrenaica Willd. a semi-deciduous species), mixed Pyrenean oak-pine and pine (Pinus sylvestris L.) forest stands was surveyed in two sites in a Mediterranean mountain area during a period of 36 and 29 months, respectively. Separation in different litterfall fractions was performed, and C content of each fraction was measured to calculate the C flux to the soil due to litterfall. Our results showed that litterfall input was higher in pine stands than in Pyrenean oak stands (1.8-2.4 Mg C ha–1 year–1 at pine plots and 0.9-1.4 Mg C ha–1 year–1 at oak plots) and mixed plots showed intermediate values. Needles or leaves contributed about 50% to total litterfall, underpinning the importance of the rest of materials in the soil C input. The seasonal pattern showed a maximum in Pyrenean oak stands in autumn-early winter, while the pine stands had the maximum in summer, which is in consonance with the physiology of fall of broadleaves and coniferous trees in these latitudes , but clearly differs from needle-shed in Central and Northern Europe. A dry-spring year corresponded to a lower leaf fall during the following autumn, and leaf abscission came some weeks earlier than a year with a rainy spring.

More information

Item ID: 48475
DC Identifier: http://oa.upm.es/48475/
OAI Identifier: oai:oa.upm.es:48475
DOI: 10.5424/fs/20112003-11083
Official URL: http://revistas.inia.es/index.php/fs/article/view/2525
Deposited by: Dr. Agustín Rubio Sánchez
Deposited on: 28 Nov 2017 11:15
Last Modified: 28 Nov 2017 11:16
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