RT info:eu-repo/semantics/article
T1 Carbon stable isotope-climate association in tree rings of Pinus pinaster and Pinus sylvestris in Mediterranean environments
A1 Bogino, Stella Marys
A1 Bravo Oviedo, Felipe
K1 Pinos
K1 Carbono - Isótopos
K1 Climatología
K1 Agua - Utilización - Mediterráneo, Región del
K1 Bosques y silvicultura
K1 3106 Ciencia Forestal
AB Carbon isotope ratios, recorded as 13C/12C variations in tree rings of woody species, are the result of physiological changes related to environmental conditions. The objective of this work was to analyze the association among carbon thirteen variability (δ13C), climate variables and tree-ring growth of Pinus pinaster and Pinus sylvestris in central Spain. Pulverized woody material from the period 1975-1999 from four trees for each pine species was analyzed. To detect common patterns in δ13C within each species and between δ13C and growth indices, a principal component analysis (PCA) was performed. δ13C of trees and the residual tree-ring chronologies were used at the PCA. Multilevel mixed linear models were applied between intrinsic water use efficiency (iWUE) and climate variables. Our results show an inverse significant correlation between δ13C and tree-ring growth of both species. Winter and spring airmoisture was negatively correlated with iWUE of Pinus pinaster. July maximum temperature was positively correlated with iWUE of Pinus sylvestris. As δ13C is significantly related to climate and growth and it may be recommended as a valuable tool for tree growth dynamic analysis to withstand increasingly stressful climate conditions.
PB Universidad Austral de Chile
SN 0717-9200
YR 2014
FD 2014
LK https://uvadoc.uva.es/handle/10324/49964
UL https://uvadoc.uva.es/handle/10324/49964
LA eng
NO Bosque (Valdivia), 2014, vol. 35, n. 2, p. 175-184
NO Producción Científica
DS UVaDOC
RD 12-sep-2024