RT info:eu-repo/semantics/article
T1 Linking functional traits with tree growth and forest productivity in Quercus ilex forests along a climatic gradient
A1 Salazar Zarzosa, Pablo
A1 Díaz Herraiz, Aurelio
A1 Olmo, Manuel
A1 Ruiz Benito, Paloma
A1 Barrón, Vidal
A1 Bastias, Cristina C.
A1 Riva, Enrique G. de la
A1 Villar, Rafael
K1 Climate variability
K1 National Forest Inventory
K1 LMA
K1 Aridity
K1 RGR
K1 Medio Ambiente
K1 Environmental science
AB Plant functional traits are highly plastic to changes in climatic factors and nutrient availability. However, the intraspecific plant response to abiotic factors and the overall effect on tree growth and productivity is still under debate. We studied forest productivity for 30 Quercus ilex subsp. ballota forests in Spain along a broad climatic gradient of aridity (mean annual precipitation from 321 to 858 mm). We used linear mixed models to quantify the effect of climatic and edaphic (soil nutrients, topography, and texture) factors on tree functional traits (leaf and branch traits), and subsequently, the effect of such functional traits and abiotic factors on the relative growth rate (RGR) of adult trees. We used piecewise structural equation models (SEMs) to determine the causal effect of intrinsic and extrinsic factors on forest productivity. Our results showed that tree functional traits were mainly explained by climatic and edaphic factors. Functional traits and tree biomass explained forest biomass and RGR, respectively, which ultimately explained forest productivity. In conclusion, intraspecific variability of functional traits has a significant effect on plant biomass and growth, which ultimately may explain forest productivity in Quercus ilex forests.
SN 0048-9697
YR 2021
FD 2021
LK http://hdl.handle.net/10017/50735
UL http://hdl.handle.net/10017/50735
LA eng
NO Fondo Europeo de Desarrollo Regional-FEDER
DS MINDS@UW
RD 20-abr-2024