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- Title
Variability in the growing season of selected European and East-Asian woody species in relation to air temperature changes.
- Authors
Barta, Marek; Hot'ka, Peter
- Abstract
Data series for leaf unfolding and leaf fall phenophases of European and East-Asian trees were analysed and related to air temperature at the Mlynany Arboretum SAS. Over a period 1971-2011, annual mean air temperature (Tam) and mean spring air temperature (T24) increased by 1.41 °C or 1.06 °C, respectively. The temperature increase affected onset of phenophases and length of growing season. Beginning of growing season (BGS) advanced by 19 days for European (1990-2011) and 9 days for Asian taxa (1991-2008). End of growing season (EGS) delayed by 2 or 4 days for European and Asian species, respectively. Length of growing season (LGS) extended by 10.31 or 7.58 day / decade for European and Asian species, respectively. The earlier onset of BGS was more prominent for European than Asian taxa and the difference was significant. On the other hand, a difference in EGS or LGS between European and Asian species was not significant. Relationships between BGS and Tam or T24 were significant for all species, and the relationships were closer for European species. Strong and significant correlation was detected between Tam and LGS of European trees, however it was weak and non-significant for Asian species.
- Subjects
WOODY plants; PHYSIOLOGICAL effects of atmospheric temperature; EFFECT of temperature on plants; GROWING season; CLIMATE change; PHOTOPERIODISM
- Publication
Folia Oecologica, 2013, Vol 40, Issue 1, p1
- ISSN
1336-5266
- Publication type
Article