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Thinning effect on soil respiration in Silver fir, Beech and Spruce predominating adult forest stands

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F62156489%3A43410%2F15%3A43906512" target="_blank" >RIV/62156489:43410/15:43906512 - isvavai.cz</a>

  • Result on the web

    <a href="https://ldf.mendelu.cz/uzpl/index.php/metodiky/category/51-proceedings-of-central-european-silviculture-2015" target="_blank" >https://ldf.mendelu.cz/uzpl/index.php/metodiky/category/51-proceedings-of-central-european-silviculture-2015</a>

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Thinning effect on soil respiration in Silver fir, Beech and Spruce predominating adult forest stands

  • Original language description

    CO2 movement or CO2 flux out of the soil is the primary function of soil respiration; soil CO2 flux is a significant component of the total atmospheric carbon balance, a physical process driven primarily by the CO2 concentration diffusion gradient between the upper soil layers and the atmosphere near the soil surface. In three high karst forest complexes same spatial design was applied to observe the effect of silvicultural treatment - the degree of mature stand removal on soil efflux. In every forest complex nine subplots were established during the time of experiment according to predominating tree species in growing stock of the mature canopy stand - silver fir, Norway spruce and European beech. In 2012 silvicultural measures with different intensity were applied with 50% and 100% removal of growing stock around the centre of the plot with minimal diameter of two tree heights. The seasonal pattern of CO2 efflux rates was mostly accountable by changes in soil emperature. Simple exponential functions including temperature alone accounted relatively well for the spatial variability over the investigated forest stands. Spatial heterogeneity in CO2 efflux rates was clearly reflected in management practice, while higher soil respiration rates. A higher amount of aboveground litter associated with high decomposition rates is a good predictor of soil respiration rates. Release rates and recovery period were extreme in beech predominating sites, followed by the silver fir and norway spruce. It is our belef, that more oscillations may be expected in carbon release dynamics in the future, as the number of extreme weather events increases and the withdrawal of silver fir with its poor recruitment may have long term consequences on this high karst high productive sites.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

  • OECD FORD branch

    40102 - Forestry

Result continuities

  • Project

  • Continuities

    S - Specificky vyzkum na vysokych skolach

Others

  • Publication year

    2015

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    Proceedings of Central European Silviculture

  • ISBN

    978-80-7509-308-0

  • ISSN

  • e-ISSN

  • Number of pages

    10

  • Pages from-to

    154-163

  • Publisher name

    Mendelova univerzita v Brně

  • Place of publication

    Brno

  • Event location

    Křtiny

  • Event date

    Sep 2, 2015

  • Type of event by nationality

    EUR - Evropská akce

  • UT code for WoS article

    000466827400017