Climatically controlled allocation to reproduction is a key mechanism by which climate influences tree growth and may explain lagged correlations between climate and growth. We used continent-wide datasets of tree-ring chronologies and annual reproductive effort in Fagus sylvatica from 1901 to 2015 ...
Author(s)
Hacket-Pain, A. J.; Ascoli, D.; Vacchiano, G.; Biondi, F.; Cavin, L.; Conedera, M.; Drobyshev, I.; Liñán, I. D.; Friend, A. D.; Grabner, M.; Hartl, C.; Kreyling, J.; Lebourgeois, F.; Levanič, T.; Menzel, A.; Maaten, E. van D.; Maaten-Theunissen, M. van der; Muffler, L.; Motta, R.; Roibu, C. C.; Popa, I.; Scharnweber, T.; Weigel, R.; Wilmking, M.; Zang, C. S.
Publisher
Wiley, Oxford, UK
Citation
Ecology Letters, 2018, 21, 12, pp 1833-1844
The aim of this study was to compare the climatic responses of three tree rings proxies: tree ring width (TRW), maximum latewood density (MXD), and blue intensity (BI). For this study, 20 cores of Pinus sylvestris covering the period 1886-2015 were extracted from living non-damaged trees from the...
Author(s)
Nagavciuc, V.; Roibu, C. C.; Ionita, M.; Mursa, A.; Cotos, M. G.; Popa, I.
Publisher
Elsevier GmbH, München, Germany
Citation
Dendrochronologia, 2019, 54, pp 56-63
In this study, we made use of a regional oak tree-ring network from six stands that cover the northern Moldavian Plateau (Eastern Europe) to analyze how different tree ring parameters (i.e., early wood tree-ring width, late wood tree-ring width, and total tree-ring width) of Quercus sp. are...
Author(s)
Nagavciuc, V.; Mursa, A.; Ionita, M.; Sfeclă, V.; Popa, I.; Roibu, C. C.
Publisher
MDPI AG, Basel, Switzerland
Citation
Forests, 2023, 14, 5,
Fluctuations in sulphur (S) content in tree rings were analysed for a 93 years long period (1915-2007) by laser ablation system coupled to an inductively coupled plasma mass spectrometer from three Swiss stone pine (Pinus cembra L.) trees grown in the Rachitis Cirque, Calimani Mts, Eastern...
Author(s)
Kern, Z.; Popa, I.; Varga, Z.; Széles, É.
Publisher
Elsevier GmbH, Jena, Germany
Citation
Dendrochronologia, 2009, 27, 2, pp 121-128
The analysis of the correlative link between the growth processes and the climatic factors with daily resolution allows to remove monthly barriers induced by the monthly time limits. Thus, we can identify cumulative periods in which climatic factors have a high influence on radial growth. This...
Author(s)
Popa, A.; Popa, I.; Horvath, A.; Balabașciuc, M.
Publisher
National Institute of Forest Research and Development (INCDS), Ilfov, Romania
Citation
Revista de Silvicultura si Cinegetica, 2021, 26, 49, pp 26-30
From 1997 to the present, a sustained project in the Maramureș region in Romania was completed with the construction of a 781-year oak tree-ring chronology. A total of 395 samples from living trees and 429 from archaeological wood were analysed with dendrochronological methods. The study aimed to...
Author(s)
Nechita, C.; Eggertsson, O.; Badea, O. N.; Popa, I.
Publisher
Elsevier GmbH, München, Germany
Citation
Dendrochronologia, 2018, 52, pp 105-112
Although the importance of centuries-long tree ring width oak chronologies in dating wood, Eastern European regions are still lacking a reference chronology. To fill this geographical gap, we combined living and historical chronologies from the Moldova region, including part of Romania and the...
Author(s)
Roibu, C. C.; Ważny, T.; Crivellaro, A.; Mursa, A.; Chiriloaei, F.; Ştirbu, M. I.; Popa, I.
Publisher
Elsevier GmbH, Munich, Germany
Citation
Dendrochronologia, 2021, 68,
We present a comparative study on a 700-yr sequence of dendrochronologically ordered tree-rings of Pinus cembra originating from Eastern Carpathians for the period AD 1009-1709. This period covers the solar minima of the Little Ice Age. The aim of this study was to assess the accuracy of our...
Author(s)
Sava, G. O.; Popa, I.; Sava, T. B.; Meghea, A.; Mǎnǎilescu, C.; Ilie, M.; Robu, A.; Tóth, B.
Publisher
Cambridge University Press, Cambridge, UK
Citation
Radiocarbon, 2019, 61, 5, pp 1337-1343
Three gridded datasets containing interpolated daily and monthly precipitation and temperature values over the past five decades were tested against four tree-ring chronologies of oak (Quercus robur and Q. petraea). The objective of this research was to investigate the climate-growth relationship...
Author(s)
Nechita, C.; Čufar, K.; Macovei, I.; Popa, I.; Badea, O. N.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Science of the Total Environment, 2019, 694, pp 133730
The impact of climatic factor on the radial growth of shrubs in the mountain area is important to study in the context of climate change. In this study we analysed the radial growth of the shrubs in relationships to climate factors from two slope aspects (north and south) in Calimani Mts. In total, ...
Author(s)
Fecioru, A. I. S.; Balabaşciuc, M.; Rogojan, C.; Popa, I.
Publisher
National Institute of Forest Research and Development (INCDS), Ilfov, Romania
Citation
Revista de Silvicultura si Cinegetica, 2019, 24, 45, pp 22-26