The growth responses of Araucaria angustifolia to climate are adjusted both spatially and temporally at its northern distribution limit

Brandes, Arno Fritz das Neves; Albuquerque, Rafael Perpétuo; Lisi, Cláudio Sérgio; Lemos, Davi Neves de; Nicola, Luca Ribeiro Mendes; Melo, Anita Lara Ferreira; Barros, Cláudia Franca

doi:10.1016/j.foreco.2021.119024

Cited by 7 publications

(1 citation statement)

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“…By analysing the tree ring widths, it is possible to access how the trees responded to the regional climatic conditions. There are many studies that prove this growth variation response [1,2], and it can vary from species to species. Dendroclimatology determines the age of the trees by measuring the growth of tree rings formed year by year and establishes its relationship with climatic events [3].…”

Section: Introductionmentioning

confidence: 94%

Climate Influence in Dendrochronological Series of Araucaria angustifolia from Campos do Jordão, Brazil

et al. 2021

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A dendrochronological series of Araucaria angustifolia was analyzed for a better understanding of the climatic factors that operate in Campos do Jordão city, São Paulo state, Brazil. The dendroclimatic analysis was carried out using 45 samples from 16 Araucaria angustifolia trees to reconstruct the precipitation and the temperature over the 1803–2012 yearly interval. To this end, Pearson’s correlation was calculated between mean chronology and the climatic time series using a monthly temporal resolution to calibrate our models. We obtained correlations as high as r=0.22(α=0.1) for precipitation (February), and r=0.21(α=0.1) for temperature (March), both corresponding to the end of the summer season. Our results show evidence of temporal instabilities because the correlations for the halves of 1963–2012 were very different, as well as for the full period. To overcome this problem, the dendrochronological series and the climatic data were investigated using the wavelet techniques searching for time-dependent cause–effect relationships. From these analyses, we find a strong influence of the region’s precipitation and temperature on the growth of tree ring widths.

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Section: Introductionmentioning

confidence: 94%