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- Title
Growth Recovery and Phenological Responses of Juvenile Beech (Fagus sylvatica L.) Exposed to Spring Warming and Late Spring Frost.
- Authors
Vander Mijnsbrugge, Kristine; Malanguis, Jessa May; Moreels, Stefaan; Lauwers, Amy; Thomaes, Arno; De Keersmaeker, Luc; Vandekerkhove, Kris
- Abstract
Global change increases the risk of extreme climatic events. The impact of extreme temperature may depend on the tree species and also on the provenance. Ten provenances of Fagus sylvatica L. were grown in a common garden environment in Belgium and subjected to different temperature treatments. Half of the one year old seedlings were submitted to a high thermal stress in the spring of the first year, and all plants were exposed to a late spring frost in the second year. The high-temperature treated plants displayed reduced growth in the first year, which was fully compensated (recovery with exact compensation) in the second year for radial growth and in the third year for height growth. Frost in the spring of the second year damaged part of the saplings and reduced their growth. The frost damaged plants regained the pre-stress growth rate one year later (recovery without compensation). The high temperature treatment in the first year and the frost damage in the second year clearly influenced the phenological responses in the year of the event and in the succeeding year. Little population differentiation was observed among the provenances for growth and for phenological responses. Yet, a southern provenance, a non-autochthonous provenance (original German provenance that was planted in Belgium about a century ago) and a more continental provenance flushed earlier than the local Atlantic provenances in the year of the frost event, resulting in more frost damage. Some caution should therefore be taken when translocating provenances as an anticipation of the predicted climate warming.
- Subjects
BELGIUM; EUROPEAN beech; FROST damage to plants; FROST; BEECH; CLIMATE extremes; HOT springs
- Publication
Forests (19994907), 2021, Vol 12, Issue 11, p1604
- ISSN
1999-4907
- Publication type
Article
- DOI
10.3390/f12111604