DENDROCRONOLOGIA DE ÁRVORES DE Schizolobium parahyba(Vell.) S. F. Blake DE OCORRÊNCIA NA REBIO DE TINGUÁ-RJ

Latorraca, João Vicente de Figueiredo; Souza, Milene Teixeira de; Silva, Leonardo Davi Silveira Augusto Baptista da; Ramos, Letícia Maria Alves

doi:10.1590/0100-67622015000200018

Cited by 18 publications

(12 citation statements)

References 23 publications

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“…; Latorraca et al . ). In addition, although the trees of both sites are growing under natural regeneration conditions of secondary forests, the EPS values obtained in this study showed that endogenous factors intrinsic to the forest environment (such as individual tree‐level signal) did not prevent the identification of the (noise‐free) population chronology after 1940, resulting in a valuable climate‐growth analysis (Wigley et al .…”

Section: Discussionmentioning

confidence: 97%

Dendrochronological analyses and climatic signals of Alchornea triplinervia in subtropical forest of southern Brazil

et al. 2018

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The predominance of secondary forest-species in Brazilian subtropical forests highlights the importance of understanding the ecology of these taxa, and dendrochronology provides valuable information about the growth and climate response of tree species. The wide distribution of Alchornea triplinervia (Spreng.) Mull. Arg. (Euphorbiaceae), and the presence of growth rings in its wood, leds to its selection for this study. Samples were collected from 34 trees growing in rainy dense forest fragments in the cities of Blumenau and Brusque, in southern Brazil, and subjected to standard dendrochronological techniques. The local chronology spanned from 1889 to 2013 and the age of the trees ranged from 32 to 125 years. The mean age was 73 years and annual increment was 1.13 mm year À1 ; the diameter and age showed a weak correlation. The results suggest that A. triplinervia growth responded negatively to hot summers and increased rainfall in the previous spring and winter. The high perdiodicity trend characteristic of ENSO activity was reflected in wavelet power spectra of A. triplinervia chronology, affecting positively its growth after strong ENSO events . Negative influences occurred before 1970 during normal ENSO events. Also, there is evidence of the existence of a connection between Pacific and Atlantic sea surface temperatures influencing on tree growth.

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Section: Discussionmentioning

confidence: 97%

Dendrochronological analyses and climatic signals of Alchornea triplinervia in subtropical forest of southern Brazil

et al. 2018

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“…parahyba (Fabaceae-Caesalpinoideae) (Figure 2-13) has distinct growth rings, delimited by a fibrous zone (thickening of the fiber wall, flattening of radial wall) and marginal parenchyma band (CURY, 2002, TOMAZELLO FILHO et al, 2004. Several authors, used tree-rings of this tree species for detection the seasonal wood development (MARCATI et al, 2008); mortality tree diagnosis (CALLADO; GUIMARÃES, 2010), phenology and cambial activity and their relationship with wood formation and quality (LISI et al, 2008;LOBÃO, 2011;LOBÃO et al, 2012;COSTA et al, 2015) and dendrochronological issues (LATORRACA et al, 2015).…”

Section: Methodsmentioning

confidence: 99%

Comparative analysis of anatomy and micro-densitometry of the growth rings of hardwoods and conifers, with emphasis on dendrochronology

Albuquerque¹,

Castro²,

Lobão³

et al. 2016

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“…This divergence in results may be related to seasonal characteristics of the growth region of the studied species. The authors (Chimelo, 1986;Botosso and Mattos, 2002;Fritts, 1976;Latorraca et al, 2015;Rozendaal and Zuidema, 2011), report that plants which grow in environments with intense climatic seasonality exhibit annual growth cycles, and can in turn form distinct growth rings. In regions where there are no well-defined seasons, the formed rings are indistinct or little evident, and do not correspond to the annual growth periods.…”

Section: Anatomical Characterization Of the Growth Ringsmentioning

confidence: 99%

RADIAL GROWTH DYNAMICS OF Khaya ivorensis TREES FROM EXPERIMENTAL PLANTATION

et al. 2018

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The objective of this study was to characterize the formation of growth rings in Khaya ivorensis wood, as well as to analyze the variation in the morphology of the vessel elements, aiming to understand the growth of this species in experimental plantations. Disks from the bases of five trees were collected, and after polishing the cross-section, demarcation of the growth rings limits was carried out. The anatomical study of the wood was conducted with the purpose of characterizing the rings, and their width was measured by means of scanned images of the disks. A historical series of data was obtained concerning the diameter of the trees to establish a correlation with the width of the rings measured over the years. The growth rings limits of African mahogany wood are demarcated by a thin layer of marginal parenchyma, and the presence of false rings has been observed. Significant annual growth correlation of 0.62 was observed among the trees, being the radial increment of irregular wood in the first years (wide and narrow rings), and highlighting the 3rd and 11th year of growth in which the largest increases were observed due to a biological adaptation tendency to the environment and the occurrence of thinning carried out in the planting area, respectively.

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DENDROCRONOLOGIA DE ÁRVORES DE Schizolobium parahyba(Vell.) S. F. Blake DE OCORRÊNCIA NA REBIO DE TINGUÁ-RJ

Cited by 18 publications

References 23 publications

Dendrochronological analyses and climatic signals of Alchornea triplinervia in subtropical forest of southern Brazil

Dendrochronological analyses and climatic signals of Alchornea triplinervia in subtropical forest of southern Brazil

Comparative analysis of anatomy and micro-densitometry of the growth rings of hardwoods and conifers, with emphasis on dendrochronology

RADIAL GROWTH DYNAMICS OF Khaya ivorensis TREES FROM EXPERIMENTAL PLANTATION

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