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Mixed signals of environmental change and a trend towards ecological homogenization in ground vegetation across different forest types [Elektronski vir]Kermavnar, Janez ; Kutnar, LadoForest ground vegetation may serve as an early warning system for monitoring anthropogenic global-change impacts on temperate forests. Climate warming may induce a decline of cool-adapted species to ... the benefit of more thermophilous plants. Nitrogen deposition has been documented to potentially result in soil eutrophication or acidification, which can increase the proportion of species with higher nutrient requirements and species impoverishment caused by competitive exclusion. Abiotic forest disturbances are changing the light conditions in the forest understorey environment. In this resurvey study, we tested the magnitude and direction of change in alpha (species richness) and beta (within-site dissimilarity) diversity and composition of forest ground vegetation in forests of different types in Slovenia over fifteen years. Using plant-derived characteristics (Ellenberg-type indicator values) and by testing a priori predictions concerning expected effects of environmental drivers, we show that the magnitude and direction of forest ground vegetation diversity and floristic changes varies greatly between forest sites. Divergent responses at different sites resulted in low net change of alpha and beta diversity and a weak overall environmental signal. The largest decrease in species number was observed in lowland oak-hornbeam forests, which were also among the sites with the greatest compositional shifts. Changes in beta diversity did not show any consistent trend, and anticipated floristic convergence was not confirmed when all sites were considered. Thermophilization was mainly detected in montane beech sites and alpine spruce forests whereas eutrophication signal was most significant on nutrient-poor sites. Vegetation responses were strongly dependent on initial site conditions. Shrinkage of ecological gradients (process of ecological homogenization) suggests that sites positioned at the ends of the gradients are losing their original ecological character and are becoming more similar to mid-gradient sites that generally exhibit smaller changes. Our results point to the importance of local stand dynamics and overstorey disturbances in explaining the temporal trends in forest ground vegetation. Ground vegetation in Slovenian forests is changing in directions also dictated by multiple regional and global change drivers.Vir: Folia geobotanica. - ISSN 1874-9348 (Vol. 58, iss. 3/4, 2024, str. 333-352)Vrsta gradiva - e-članekLeto - 2024Jezik - angleškiCOBISS.SI-ID - 191099907
Avtor
Kermavnar, Janez |
Kutnar, Lado
Teme
vegetacijski preverba |
termofilizacija |
evtrofikacija |
motnje v gozdovih |
alfa in beta raznolikost |
rastiščni pogoji |
ICP Forests |
vegetation resurvey |
thermophilization |
eutrophication |
forest disturbances |
alpha and beta diversity |
initial site conditions |
ICP-Forests network
Avtor | Kermavnar, Janez ; Kutnar, Lado |
Naslov | Mixed signals of environmental change and a trend towards ecological homogenization in ground vegetation across different forest types [Elektronski vir] |
Datum objave | 2024-03-27 |
COBISS.SI-ID | 191099907 |
Verzija objave v repozitoriju | Založnikova različica |
Licenca objave v repozitoriju | Creative Commons Priznanje avtorstva 4.0 Mednarodna |
Embargo | Takojšnja javna objava |
Projekti, iz katerih je bila financirana objava
Naziv | Akronim | Številka projekta | Financer |
---|---|---|---|
Javna gozdarska služba | JGS | JGS |
Ministrstvo za kmetijstvo, gozdarstvo in prehrano |
Spremembe gozdne vegetacije zaradi vplivov globalnih in lokalnih okoljskih sprememb v daljšem časovnem obdobju | Z4-4543-2022 |
Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije |
|
Gozdna biologija, ekologija in tehnologija | P4-0107-2020 |
Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije |
Datoteke, ki spadajo k objavi
Povezava |
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https://link.springer.com/article/10.1007/s12224-024-09445-w |
https://dirros.openscience.si/IzpisGradiva.php?id=18641 |
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
Baze podatkov, v katerih je revija indeksirana
Ime baze podatkov | Področje | Leto |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Kermavnar, Janez | 39085 |
Kutnar, Lado | 15108 |
Vir: Osebne bibliografije
in: SICRIS
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