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Intraspecific Competition Affects Crown and Stem Characteristics of Non-Native Quercus rubra L. Stands in Germany

dc.contributor.authorBurkardt, Katharina
dc.contributor.authorAnnighöfer, Peter
dc.contributor.authorSeidel, Dominik
dc.contributor.authorAmmer, Christian
dc.contributor.authorVor, Torsten
dc.date.accessioned2019-10-07T08:18:18Z
dc.date.available2019-10-07T08:18:18Z
dc.date.issued2019de
dc.relation.ISSN1999-4907de
dc.identifier.urihttp://resolver.sub.uni-goettingen.de/purl?gs-1/16482
dc.description.abstractAccurate guidelines for silvicultural management of exotic tree species in Germany are sparse. For example, northern red oak (Quercus rubra L.) is the most commonly planted exotic deciduous tree species in Germany, but its response to varying levels of competition intensity has not yet been adequately explored. Here, we used terrestrial laser scanning to non-destructively examine the responses of stem and crown characteristics of Quercus rubra to intraspecific competition. A total of 100 dominant red oak trees were investigated in ten pure red oak stands, located in five federal states of Germany. The external stem quality characteristics namely stem non-circularity and bark anomalies decreased with increasing tree competition. Also, the crown characteristics crown volume, crown surface area, maximum crown area, crown length, and branch length declined by the degree of individual tree competition. We conclude that individual tree properties can be controlled by competition intensity, resulting in improved timber quality as shown for other tree species.de
dc.description.sponsorshipOpen-Access-Publikationsfonds 2019
dc.language.isoengde
dc.rightsopenAccess
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectnorthern red oak; terrestrial laser scanning; competition; crown characteristics; stem characteristics; silvicultural treatmentde
dc.subject.ddc570
dc.titleIntraspecific Competition Affects Crown and Stem Characteristics of Non-Native Quercus rubra L. Stands in Germanyde
dc.typejournalArticlede
dc.identifier.doi10.3390/f10100846
dc.type.versionpublishedVersionde
dc.relation.eISSN1999-4907
dc.bibliographicCitation.volume10de
dc.bibliographicCitation.issue10de
dc.type.subtypejournalArticle
dc.bibliographicCitation.articlenumber846de
dc.description.statuspeerReviewedde
dc.bibliographicCitation.journalForestsde


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