Beech, fir and spruce regeneration response to high irradiance after ice storm natural disturbance

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F62156489%3A43410%2F17%3A43911800" target="_blank" >RIV/62156489:43410/17:43911800 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Beech, fir and spruce regeneration response to high irradiance after ice storm natural disturbance
Original language description
Young beech, silver fir and Norway spruce response to high irradiance after the severe ice storm in 2014 in the Slovenian mixed forest stands was measured at four locations and compared with response of same species on managed sites, that were gradually adapted to the same light intensities. Nitrogen content (Ntot), Leaf mass per area (LMA), and Quantum yield (Φ) were measured in three categories of different light intensities under closed canopy with indirect site factor (ISF)<15%) at the forest edge (15%<ISF<25%) and in the open (ISF>25%) during two years (2015 and 2016) after the disturbance event. Nitrogen content of all three species was within optimal threshold values, highest in the open and lowest under canopy conditions on every plot. Rapid exposure to increased light levels affected most directly fir in the category of forest edge and under open canopies. Contrary to fir responded beech in a favourable way, while no differences in response were evident in spruce. Assimilation efficiency, where both fir and beech were equal shifted towards the shade in both years.
Czech name
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Czech description
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Project
<a href="/en/project/LD14063" target="_blank" >LD14063: Effect of mixture on the development of tree species composition, structure and biomass</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2017
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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