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Auteur Zid Tomáš |
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The crown condition of Norway spruce and occurrence of symptoms caused by Armillaria spp. in mixed stands / Petr Čermák in Journal of forest science, vol 66 n° 12 (December 2020)
[article]
Titre : The crown condition of Norway spruce and occurrence of symptoms caused by Armillaria spp. in mixed stands Type de document : Article/Communication Auteurs : Petr Čermák, Auteur ; Zid Tomáš, Auteur Année de publication : 2020 Article en page(s) : pp 483 – 491 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Termes IGN] abattage (sylviculture)
[Termes IGN] défoliation
[Termes IGN] feuillu
[Termes IGN] Fungi
[Termes IGN] peuplement mélangé
[Termes IGN] Picea abies
[Termes IGN] République Tchèque
[Termes IGN] sécheresse
[Vedettes matières IGN] Végétation et changement climatiqueRésumé : (auteur) Mixed stands are currently supported as effective management options to reduce forest vulnerability to climate change. However, our issues about benefits of mixtures, mechanisms of their incidence and conditions for their effectiveness have yet been only partly clarified. We assessed the crown condition of Norway spruce (Picea abies /L./ Karst) and occurrence of symptoms caused by Armillaria spp. on spruce in a small area in the Drahanská vrchovina Highlands (Czech Republic) in differently mixed stands in 2002 and 2019. We found that although the broadleaf abundance affected the total defoliation of Norway spruce, the effect was unstable in time. The observed effect of altitudinal zones and Norway spruce abundance on the occurrence of symptoms of Armillaria root rot in spruce was also unstable. The drought during recent four years and the implemented forestry measures (salvage and intermediate felling) can be reasons for the relationship instability. We did not identify any statistically significant relationship between tree species diversity (Simpson’s Index) and defoliation. Numéro de notice : A2020-802 Affiliation des auteurs : non IGN Thématique : FORET Nature : Article DOI : 10.17221/86/2020-JFS En ligne : https://doi.org/10.17221/86/2020-JFS Format de la ressource électronique : url article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=96757
in Journal of forest science > vol 66 n° 12 (December 2020) . - pp 483 – 491[article]