Department of Wood Science and Technology (FFWT) - list of publications


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TREML, V. -- VAVRČÍK, H. et al. Chilling and forcing temperatures interact to predict the onset of wood formation in Northern Hemisphere conifers. Global Change Biology. 2019. v. 25, no. 3, p. 1089--1105. ISSN 1354-1013. URL: https://onlinelibrary.wiley.com/doi/epdf/10.1111/gcb.14539

Original name: Chilling and forcing temperatures interact to predict the onset of wood formation in Northern Hemisphere conifers
Czech name:
Written by (author): Václav Treml
doc. Ing. Hanuš Vavrčík, Ph.D.
Department: Department of Wood Science and Technology
Kind of publication: article in a professional periodical
Periodical: Global Change Biology
Nature of article: paper
Volume no. (year): 25
Periodical number within the volume: 3
Year of publication: 2019
Starting page: 1089
Up to page: 1105
Number of pages: 17
Sub-specification: článek je obsažen v databázi Web of Science
UT code by Web of Science:
EID code by Scopus:
Form of publication: printed version
Original language: English
Description in original language: The phenology of wood formation is a critical process to consider for predicting how trees from the temperate and boreal zones may react to climate change. Compared to leaf phenology, however, the determinism of wood phenology is still poorly known. Here, we compared for the first time three alternative ecophysiological model classes (threshold models, heat-sum models and chilling-influenced heat-sum models) and an empirical model in their ability to predict the starting date of xylem cell enlargement in spring, for four major Northern Hemisphere conifers (Larix decidua, Pinus sylvestris, Picea abies and Picea mariana). We fitted models with Bayesian inference to wood phenological data collected for 220 site-years over Europe and Canada. The chilling-influenced heat-sum model received most support for all the four studied species, predicting validation data with a 7.7-day error, which is within one day of the observed data resolution. We conclude that both chilling and forcing temperatures determine the onset of wood formation in Northern Hemisphere conifers. Importantly, the chilling-influenced heat-sum model showed virtually no spatial bias whichever the species, despite the large environmental gradients considered. This suggests that the spring onset of wood formation is far less affected by local adaptation than by environmentally driven plasticity. In a context of climate change, we therefore expect rising winter-spring temperature to exert ambivalent effects on the spring onset of wood formation, tending to hasten it through the accumulation of forcing temperature, but imposing a higher forcing temperature requirement through the lower accumulation of chilling.
Description in English:
Description in Czech:
Year of submission: 2019
Year of transmission:
RIV identification number:
URL: https://onlinelibrary.wiley.com/doi/epdf/10.1111/gcb.14539
 
Entry made by: Markéta Hejčová, DiS.
Last change: 02/25/2019 10:22 (Markéta Hejčová, DiS.)

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Source specification:

Global Change Biology. ISSN 1354-1013.

Original name: Global Change Biology
English name:
Czech name:
Written by (author):
Kind of publication: magazine
ISSN: 1354-1013
Country of publisher: United Kingdom of Great Britain and Northern Ireland
Place of publishing:
Publisher: Wiley-Blackwell
URL:
Reviewed magazine: no
Original language:
Description in original language:
Description in English:
Description in Czech:
 
Entry made by: Lenka Baláková
Last change: 03/14/2012 20:45 (Ing. Aleš Kutín)

Evaluation of publication:

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interesting
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amateur
 
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practical
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