Abiotic factors modulate post-drought growth resilience of Scots pine plantations and rear-edge Scots pine and oak forests

Rubio Cuadrado, Álvaro and Camarero, J.J. and Aspizua, Rut and Sánchez-González, M. and Gil, L. and Montes, Fernando (2018). Abiotic factors modulate post-drought growth resilience of Scots pine plantations and rear-edge Scots pine and oak forests. "Dendrochronologia", v. 51 ; pp. 54-65. ISSN 1125-7865. https://doi.org/10.1016/j.dendro.2018.08.001.

Description

Title: Abiotic factors modulate post-drought growth resilience of Scots pine plantations and rear-edge Scots pine and oak forests
Author/s:
  • Rubio Cuadrado, Álvaro
  • Camarero, J.J.
  • Aspizua, Rut
  • Sánchez-González, M.
  • Gil, L.
  • Montes, Fernando
Item Type: Article
Título de Revista/Publicación: Dendrochronologia
Date: October 2018
Volume: 51
Subjects:
Freetext Keywords: resilience; resistance; recovery; dendroecology; Sierra Nevada
Faculty: E.T.S.I. Montes, Forestal y del Medio Natural (UPM)
Department: Sistemas y Recursos Naturales
UPM's Research Group: Genética, Fisiología e Historia Forestal
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

The proportion of planted forests in the Mediterranean Basin is one of the largest in the world. These plantations are dominated by pine species and present a series of characteristics such as low elevation, high competition or small tree size that make them more vulnerable to droughts. However, quantitative assessments of their post-drought growth resilience in accordance with species, site factors and tree characteristics are lacking. In this study we sampled 164 trees at four forest sites located in the drought-prone Sierra Nevada, southeastern Spain. We compared growth responsiveness to drought in rear-edge planted vs. relic natural Scots pine (Pinus sylvestris) and coexisting Pyrenean oak (Quercus pyrenaica) stands. Our objective was to characterize and compare the different growth responses to drought between species and sites and the effect of the main physiographic factors (altitude, aspect, and slope) on these responses since the influence of these factors on post-drought resistance and resilience has received little attention to date. Our results reveal that the planted pine sites with the lowest mean growth rates displayed greater resistance during drought, and that higher altitude was associated with improved resistance and/or resilience for all species and sites. Natural pine and Pyrenean oak stands were better adapted to the dry climatic conditions of the Mediterranean region where the study was undertaken, displaying greater resistance and/or resilience and lower influence of drought on growth in comparison to stands of planted pines. These results suggest that promoting the conservation of high-elevation pine plantations and enhancing the regeneration of natural pine and oak may improve the resistance and resilience of these drought-prone forest ecosystems.

Funding Projects

TypeCodeAcronymLeaderTitle
Government of Spain979S/2013UnspecifiedFernando Montes PitaPasado, presente y futuro de los bosques de montaña: seguimiento y modelización de los efectos del cambio climático y la gestión sobre la dinámica forestal
Madrid Regional GovernmentP2013/MAE-2760BOSSANOVALuis GilBosques Sanos y Variados: Gestión Sostenible en Sistemas Forestales de la Comunidad de Madrid en el Contexto del Cambio Global
Government of SpainAGL2016-76769-C2-1-RFORESTCHANGEFernando Montes PitaInfluencia del régimen de perturbaciones y la gestión en el balance de carbono, estructura y dinámica de las masas forestales

More information

Item ID: 51968
DC Identifier: http://oa.upm.es/51968/
OAI Identifier: oai:oa.upm.es:51968
DOI: 10.1016/j.dendro.2018.08.001
Deposited by: Álvaro Rubio Cuadrado
Deposited on: 03 Sep 2018 08:08
Last Modified: 18 Dec 2018 11:35
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