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Restoration of Central-European mountain Norway spruce forest 15 years after natural and anthropogenic disturbance
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SYSNO ASEP 0443711 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Restoration of Central-European mountain Norway spruce forest 15 years after natural and anthropogenic disturbance Author(s) Nováková, M. H. (CZ)
Edwards-Jonášová, Magda (UEK-B) RID, SAI, ORCIDSource Title Forest Ecology and Management. - : Elsevier - ISSN 0378-1127
Roč. 144, 15 May (2015), s. 120-130Number of pages 11 s. Language eng - English Country NL - Netherlands Keywords Picea abies forest ; disturbance ; bark beetle ; salvage logging ; natural regeneration ; Herb-layer vegetation Subject RIV GK - Forestry R&D Projects ED1.1.00/02.0073 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Institutional support RVO:67179843 - RVO:67179843 UT WOS 000351974300012 EID SCOPUS 84924087777 DOI 10.1016/j.foreco.2015.02.010 Annotation Storm events resulting in windthrows, bark beetle (Ips typographus) outbreaks and subsequent forestry operations are the main disturbance agents in European mountain Norway spruce (Picea abies) forests. In the 1990s, a bark beetle outbreak resulted in a large-scale dieback of semi-natural mountain spruce forests in the Šumava National Park, Czech Republic. Two applied management measures enabled long-term monitoring of the effect of natural and anthropogenic disturbance on forest recovery: core zones were left without intervention, and surrounding zones were clear-cut, trees removed, and cleared areas replanted. Research plots were established in three disturbance types: climatically conditioned spruce forest with dead canopy, without intervention (1), with intervention (2), and waterlogged spruce forest partly resistant to bark beetle disturbance without intervention (3). The amount and vertical structure of tree regeneration and vegetation changes have been studied since the beginning of the disturbance in 1997. The main question of the study was whether tree regeneration and herb-layer vegetation differed between naturally developing disturbed forests and clearcuts 15 years after the disturbance. The species composition of regeneration in all disturbance types consisted mainly of spruce, with accompanying rowan. The total numbers after 15 years since the beginning of the disturbance did not differ significantly among the studied disturbance types, and were sufficient to replace the previous canopy. However, in clearcuts, these numbers were achieved by artificial reforestation, which was applied after initial destruction of natural regeneration due to salvage operations, whereas advance natural regeneration grew successfully under the protection of unmanaged dead canopy. There was a more unified height structure of spruce regeneration in the clearcuts, with significantly higher numbers of saplings taller than 2 m compared to unmanaged forests. Workplace Global Change Research Institute Contact Nikola Šviková, svikova.n@czechglobe.cz, Tel.: 511 192 268 Year of Publishing 2016
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