Effect of InvasiveRhododendron ponticumL. on Natural Regeneration and Structure ofFagus orientalisLipsky Forests in the Black Sea Region

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dc.authoridESEN, DERYA/0000-0003-4175-758X
dc.authoridGallo, Josef/0000-0002-7169-6477
dc.authoridVacek, Zdenek/0000-0002-7269-4174
dc.authoridVacek, Stanislav/0000-0002-5234-1881
dc.authorwosidESEN, DERYA/C-6917-2009
dc.authorwosidGallo, Josef/AAB-8918-2021
dc.authorwosidVacek, Zdenek/AAC-9576-2021
dc.contributor.authorVacek, Zdenek
dc.contributor.authorVacek, Stanislav
dc.contributor.authorEsen, Derya
dc.contributor.authorYildiz, Oktay
dc.contributor.authorKral, Jan
dc.contributor.authorGallo, Josef
dc.date.accessioned2021-12-01T18:48:54Z
dc.date.available2021-12-01T18:48:54Z
dc.date.issued2020
dc.department[Belirlenecek]en_US
dc.description.abstractBiological invasions threaten global biodiversity and forest ecosystems; therefore, it is necessary to use appropriate strategies for combating the spread of invasive species. Natural regeneration of eastern beech (Fagus orientalisLipsky) is considerably limited by an aggressive invasive shrub, pontic rhododendron (Rhododendron ponticumL.), in the Black Sea Region of Turkey. Therefore, the future character of the region's forests is uncertain. The aim of this research was to evaluate the structure of beech forests with different management regimes of rhododedron and to determine the interaction among tree layer, rhododendron cover, and natural regeneration in Duzce Province using the FieldMap technology. The following variants of forests were compared: without intervention (control) and three and six years after rhododendron clearance. The results showed that tree density ranged between 175-381 trees ha(-1)and stand volume between 331-589 m(3)ha(-1). The horizontal structure of the tree layer was mostly random, and the spatial pattern of natural regeneration was aggregated. Recruit density and height in the beech stands were significantly differentiated due to the influence of presence or absence of invasive rhododendron. Rhododendron cover ranged between 81%-97%, and woody stems amounted to 72,178-86,884 ha(-1)in unmanaged forests. Canopy in the overstory did not have a significant effect on the density of regeneration and rhododendron cover. Tree layer had a significant negative influence on natural regeneration within a 4 m radius on the plots without rhododendron. However, on the plots with dense rhododendron cover, tree layer had a positive influence on regeneration within a 1.5 m radius. Natural regeneration density was significantly higher when rhododendron was cleared than the plots without intervention. On the plots without woody clearance, there was an insufficient regeneration (113-619 recruits ha(-1)); however, they had higher mean height compared to the sites without rhododendron. After three and six years of rhododendron clearance, the numbers of recruits in natural regeneration were 63,981 ha(-1)and 105,075 ha(-1), respectively. In conclusion, invasive spread of rhododendron was a limiting factor of the prosperous regeneration and tree species diversity, and manual clearance of rhododendron is recommended in managed beech forests of the study region.en_US
dc.description.sponsorshipCzech University of Life Sciences Prague, Faculty of Forestry and Wood Sciences (IGA) [B_19_05]en_US
dc.description.sponsorshipThis research was funded by the Czech University of Life Sciences Prague, Faculty of Forestry and Wood Sciences (IGA no. B_19_05).en_US
dc.identifier.doi10.3390/f11050603
dc.identifier.issn1999-4907
dc.identifier.issue5en_US
dc.identifier.scopus2-s2.0-85086505033en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org/10.3390/f11050603
dc.identifier.urihttps://hdl.handle.net/20.500.12684/10628
dc.identifier.volume11en_US
dc.identifier.wosWOS:000542736000080en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherMdpien_US
dc.relation.ispartofForestsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjecteastern beechen_US
dc.subjectwoody controlen_US
dc.subjectplant competitionen_US
dc.subjectclose-to-nature forestsen_US
dc.subjectTurkeyen_US
dc.subjectBeech Fagus-Orientalisen_US
dc.subjectRhododendron Rhododendron-Ponticumen_US
dc.subjectSylvatica L. Forestsen_US
dc.subjectEuropean Beechen_US
dc.subjectLipsky Ecosystemsen_US
dc.subjectCaspian Forestsen_US
dc.subjectClimate-Changeen_US
dc.subjectNorway Spruceen_US
dc.subjectGrowthen_US
dc.subjectStandsen_US
dc.titleEffect of InvasiveRhododendron ponticumL. on Natural Regeneration and Structure ofFagus orientalisLipsky Forests in the Black Sea Regionen_US
dc.typeArticleen_US

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