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001-es BibID:	BIBFORM107748
035-os BibID:	(cikkazonosító)126014 (WOS)000899737200004 (Scopus)85140069263
Első szerző:	Mészáros Ilona (biológus)
Cím:	Long-term radial growth and climate-growth relationships of Quercus petraea (Matt.) Liebl. and Quercus cerris L. in a xeric low elevation site from Hungary / Ilona Mészáros, Balázs Adorján, Balázs Nyitrai, Péter Kanalas, Viktor Oláh, Tom Levanic
Dátum:	2022
ISSN:	1125-7865 1612-0051
Megjegyzések:	Sessile oak (Quercus petraea [Matt.] Liebl.) and Turkey oak (Quercus cerris L.) dominated mixed forests are common in low montane and hilly regions in Hungary. Here, we aimed to describe the long-term pattern and climatic responses of the radial growth of Q. petraea and Q. cerris in a xeric low-elevation forest, using retrospective tree-ring analysis for the period 1910?2019. We performed separate analyses with time series of full tree-ring (TRW), earlywood (EW) and latewood (LW) widths. Our results showed that the radial growth of the two species was largely synchronous over time, but became transiently divergent for a 20-year period after a drought in 1968, due to the greater-than-expected growth of Q. cerris and the supressed growth of Q. petraea. Precipitation was the major growth-limiting factor for both species, with a strong positive influence on LW particularly during the current early growing season (March-June), on EW in the previous late summer (August-September) and in the current early spring (March), and on all tree-ring traits in the previous December. The radial growth of both species was negatively related to temperature in the spring (May) and late summer (August) of both current and previous years. The climate-growth relationships showed general instability over time: the most striking temporal change was a gradual shift of positive correlations with precipitation and SPEI during the growing season from spring (March-May) to summer (June-August) since the 1980s over the analysed period. The two species had similarly low growth resistance to droughts in four studied pointer years (1968, 1993, 2002 and 2012), but Q. cerris exhibited a greater capacity to recover over the four post-drought years, and thus higher growth resilience, particularly after the drought of 1968. Our results contribute to the better understanding of the role of climate variability and droughts in the growth of the two co-existing species in transitional locations between closed forests and forest-steppes.
Tárgyszavak:	Természettudományok Biológiai tudományok idegen nyelvű folyóiratközlemény külföldi lapban folyóiratcikk
Megjelenés:	Dendrochronologia. - 76 (2022), p. 1-13. -
További szerzők:	Adorján Balázs (1985-) (környezettudomány) Nyitrai Balázs (1987-) (ökológus) Kanalas Péter (1983-) (biológus) Oláh Viktor (1980-) (biológus) Levanic, Tom
Pályázati támogatás:	OTKA-101552 OTKA SNN 125652 OTKA 2018-2.1.11-TÉT-SI-2018-00012 Egyéb
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