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Article: Imprimé

Profile of tree-related microhabitats in European primary beech-dominated forests / Daniel Kozak in Forest ecology and management, 429 (1 December 2018)

Article (2018)

[article]
inForest ecology and management > 429 (1 December 2018)

Titre :	Profile of tree-related microhabitats in European primary beech-dominated forests
Type de document :	Imprimé
Auteurs :	Daniel Kozak ; Martin Mikoláš ; Marek Svitok ; Radek Bače ; Yohann Paillet ; Laurent Larrieu (1963-) ; Thomas A. Nagel ; Krešimir Begović ; Vojtěch Čada ; Abdulla Diku ; Michal Frankovic ; Pavel Janda ; Ondrej Kameniar ; Srdjan Keren ; Peter Kjučukov ; Jana Lábusová ; Thomas Langbehn ; Jakub Malek ; Stjepan Mikac ; Robert C. Morissey ; Marketa Novakova ; Jonathan S. Schurrman ; Kristyna Svobodová ; Michal Synek ; Marius Teodosiu ; Elvin Toromani ; Volodymyr Trotsiuk ; Lucie Vitkova ; Miroslav Svoboda
Année de publication :	2018
Langues :	Anglais (eng)
Catégories :	[CBNPMP-Thématique] Biodiversité [CBNPMP-Thématique] Indicateur biologique
Mots-clés :	Fagus sylvatica L., 1753
Résumé :	Tree-related microhabitats (TreMs) are important features for the conservation of biodiversity in forest ecosystems. Although other structural indicators of forest biodiversity have been extensively studied in recent decades, TreMs have often been overlooked, either due to the absence of a consensual definition or a lack of knowledge. Despite the increased number of TreM studies in the last decade, the role of drivers of TreM profile in primary forests and across different geographical regions is still unknown. To evaluate the main drivers of TreM density and diversity, we conducted the first large-scale study of TreMs across European primary forests. We established 146 plots in eight primary forests dominated by European beech (Fagus sylvatica L.) in the Carpathian and Dinaric mountain ranges. Generalized linear mixed effect models were used to test the effect of local plot characteristics and spatial variability on the density and diversity (alpha, beta, and gamma) of TreMs. Total TreM density and diversity were significantly positively related with tree species richness and the proportion of snags. Root mean square tree diameters were significantly related to alpha and gamma diversity of TreMs. Both regions reached similarly high values of total TreM densities and total TreM densities and diversity were not significantly different between the two regions; however, we observed between the two regions significant differences in the densities of two TreM groups, conks of fungi and epiphytes. The density and diversity of TreMs were very high in beech-dominated mountain primary forests, but their occurrence and diversity was highly variable within the landscapes over relatively short spatial gradients (plot and stand levels). Understanding these profile provides a benchmark for further comparisons, such as with young forest reserves, or for improving forest management practices that promote biodiversity.
Identifiant :	DOI : 10.1016/j.foreco.2018.07.021 / DOI : 10.3929/ethz-b-000278780
Permalink :	https://biblio.cbnpmp.fr/index.php?lvl=notice_display&id=83362

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