Needle traits of understory Silver fir, Norway spruce, and Scots pine in response to increased canopy openness in a birch-dominated stand
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00020702%3A_____%2F25%3AN0000059" target="_blank" >RIV/00020702:_____/25:N0000059 - isvavai.cz</a>
Result on the web
<a href="https://iforest.sisef.org/abstract/?id=ifor4909-018" target="_blank" >https://iforest.sisef.org/abstract/?id=ifor4909-018</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.3832/ifor4909-018" target="_blank" >10.3832/ifor4909-018</a>
Alternative languages
Result language
angličtina
Original language name
Needle traits of understory Silver fir, Norway spruce, and Scots pine in response to increased canopy openness in a birch-dominated stand
Original language description
The study investigates the impact of varying environmental treatments on the needle morphology, chemistry, and photosynthetic performance of Silver fir (Abies alba), Norway spruce (Picea abies), and Scots pine (Pinus sylvestris) undergrowth in a birch (Betula pendula)-dominated young forest. The experiment analyzed the effects of different levels of birch canopy reduction. The treatments included a birch preparatory stand managed through positive tending of promising birch trees (PS), a restored small clearing (RC), and a former clearing overgrown by birch sprouts (OC), while the control treatment was left unmanaged. The aim was to evaluate the rate of adaptation to irradiation changes among these species. Fir and pine exhibited significant needle morphological changes within the first year after canopy opening, while spruce needles remained relatively stable. In the first year after release, pine and fir new needles in the RC treatment had reduced K (and Mg in fir), while spruce needles increased N and Ca concentrations. Chlorophyll a fluorescence measurements indicated that photosynthetic efficiency tended to slightly decrease across all species when exposed to higher irradiance. The results show high plasticity of the species in response to the changes in light conditions of the nurse stand. The means of the adaptation were specific for each species, but the new conditions did not limit the adaptation potential for any of them.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
40102 - Forestry
Result continuities
Project
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Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2025
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
iForest-Biogeosciences and Forestry
ISSN
1971-7458
e-ISSN
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Volume of the periodical
18
Issue of the periodical within the volume
OCT 2025
Country of publishing house
IT - ITALY
Number of pages
10
Pages from-to
273-282
UT code for WoS article
001594314200001
EID of the result in the Scopus database
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