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Initial understory vegetation responses following different forest management intensities in Illyrian beech forestsKermavnar, Janez ...Background and questions How forest vegetation responds to disturbance continues to be a focal point, especially in the context of biodiversity conservation. To investigate the short-term effects of ... forest management on understory vegetation, we asked: (1) Are there any plant indicator species associated with different felling intensities? (2) What are the differences in abundances of plant functional types along the disturbance gradient? (3) How do typical forest species respond to silvicultural treatments? Location The Dinaric Mountains in Slovenia. Methods At each of three study sites in Illyrian beech forests, nine plots (4000 m2) were established, comprising a total of 27 plots. Three different felling intensities were implemented at each site, with one third of the plots assigned to each treatment: control, 50% of the growing stock removed and 100% of the growing stock removed. In the centre of each plot, a vegetation survey of vascular plants was done before (in 2012) and two years after (in 2014) felling in a circular sampling area of 400 m2. We employed indicator species analysis, and species were grouped into functional types with respect to their traits. Results Understory species composition differed significantly between treatments. Fortyseven species (out of 251) were significantly associated with the 100% felling intensity. This relatively high number of indicators was due to the post-disturbance colonization of early successional, non-forest species, coupled with the expansion of pre-treatment resident species. Only one species was a strong indicator for the 50% felled plots, while three species showed a preference for the unfelled plots. Graminoids, tall perennial forbs, annual/biennial forbs and legumes exhibited the most prominent increase in cover at the 50% and 100% felling intensity. Ferns showed non-significant changes, whereas woody plants exhibited a decrease in the most intensive treatment. In general, most of the typical forest species responded with increased frequency and/or abundance after felling. Conclusions Post-treatment taxonomic and functional composition of plant communities exhibited the largest changes in the most intensively felled stands. Overall, in the short term, ecological conditions in canopy gaps were not modified to the extent that would be detrimental to the persistence of typical forest species.Vir: Applied vegetation science : official organ of the International Association for Vegetation Science. - ISSN 1402-2001 (Vol. 22, iss. 1, Jan. 2019, str. 48-60)Vrsta gradiva - članek, sestavni delLeto - 2019Jezik - angleškiCOBISS.SI-ID - 5300134
Avtor
Kermavnar, Janez |
Eler, Klemen, 1978- |
Marinšek, Aleksander |
Kutnar, Lado
Teme
Aremonio-Fagion |
Natura 2000 |
felling disturbance gradient |
Indicator species analysis |
plantfunctional types |
typicalforest plant species |
Ilirski bukovi gozdovi |
Natura 2000 |
gradient intenzivnosti poseka |
analiza indikatorskih vrst |
rastlinski funkcionalni tipi |
tipične gozdne vrste rastlin
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Kermavnar, Janez | 39085 |
Eler, Klemen, 1978- | 24416 |
Marinšek, Aleksander | 20842 |
Kutnar, Lado | 15108 |
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