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Assessment of the long-term impact of deer on understory vegetation in mixed temperate forests
Simončič, Tina (Avtor), Bončina, Andrej (Avtor), Jarni, Kristjan (Avtor), Klopčič, Matija (Avtor)

URLURL - Izvorni URL, za dostop obiščite https://doi.org/10.1111/jvs.12702 Povezava se odpre v novem oknu

Izvleček
Questions What is the long-term impact of deer browsing on the diversity of the herbaceous layer and tree species regeneration? Which parameters of the tree species regeneration and herbaceous layer best indicate browsing impact? Location Dinaric Mountains, Slovenia. Methods We studied the long-term impact of red deer on mixed temperate forests by comparing the tree species regeneration and herbaceous layer vegetation under two treatments: deer present, no deer. We analysed the tree regeneration older than one year up to a diameter at breast height of 10 cm (categorized into five height classes) and the cover abundance of plant species in the herbaceous layer (<50 cm). Results There were no significant differences in the number of tree species regeneration between the treatments. Browsing impact on the most abundant tree species - European beech, silver fir and sycamore-varied, indicating differences in palatability. Under the presence of deer, the number of silver fir regeneration was significantly lower in all height classes, and European beech regeneration shorter than 50 cm was more abundant, while for sycamore shorter seedlings (<20 cm) were more abundant, and taller regeneration (50 cm) was significantly less abundant. The reduction of tree species diversity along the development of natural regeneration is evident. There were no significant differences between the treatments in the number and diversity of plant species in the herbaceous layer; however, the abundance of 13 plant species differed significantly between the treatments. Deer reduce the density of tree species saplings due to long-term browsing and thus indirectly increase tree species diversity in the regeneration up to 20 cm in height and plant species diversity in the herbaceous layer. Conclusions We documented the direct and indirect impact of deer on the diversity of tree species regeneration, but only found an indirect influence on the diversity of the herbaceous layer. The height structure of palatable tree species regeneration appears to be the most appropriate indicator of browsing impact. The observed browsing impact leads to the complete dominance of European beech in the tree species composition of forest stands.

Jezik:Angleški jezik
Ključne besede:herbaceous layer, indicator species, long-term deer exclusion, palatability, path analysis, plant species diversity, Red deer, tree species regeneration
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:BF - Biotehniška fakulteta
Leto izida:2019
Št. strani:str. 108-120
Številčenje:Vol. 30, iss. 1
UDK:630*22:630*45
ISSN pri članku:1100-9233
DOI:10.1111/jvs.12702 Povezava se odpre v novem oknu
COBISS.SI-ID:5284006 Povezava se odpre v novem oknu
Število ogledov:19
Število prenosov:19
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Gradivo je del revije

Naslov:Journal of vegetation science
Skrajšan naslov:J. veg. sci.
Založnik:Opulus Press
ISSN:1100-9233
COBISS.SI-ID:35399937 Povezava se odpre v novem oknu

Sekundarni jezik

Jezik:Slovenski jezik
Ključne besede:jelenjad, objedenost, obnova sestojev, vegetacija

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