Vedegenskaper i härskande och behärskade granar vid Remingstorp

Wood properties in dominant and sub-dominant trees of Norway spruce at Remingstorp

Document identifier: oai:dalea.du.se:1962
Keyword: Picea Abies, Gran, Trädklasser, Virkesegenskaper, Virkeskvalitet, Hållfasthet, Densitet. Norway spruce, Tree class, Wood properties, Quality of boards, Strength, Basic density.
Publication year: 2001
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Abstract:

Variation in wood properties for Picea abies trees and logs of different dimensions has been studied at two sites in southern Sweden of different site quality class. Trees have been classified as dominant or sub-dominant, according to their height. Log and board grades were classified and strength grade of boards, basic density and annual ring width measured. A similar study made on four northern sites was used as reference material. Sub-dominant trees were of superior quality in comparison to dominant trees, when classified by log and board grades or strength grading. Differences were accentuated for the second log where the sub-dominant trees had superior strength and low amount of boards with coarse branches. The results correspond well to those from the northern region, Jämtland. The classifica¬tion of boards as well as bending strength indicated superior properties on timber from northern sites even though the basic density was similar.

Authors

U. Karlmats

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    header: 
        identifier: oai:dalea.du.se:1962
        datestamp: 2021-04-15T12:20:57Z
        setSpec: SwePub-du
    metadata: 
        mods: 
            @attributes: 
                version: 3.7
            recordInfo: 
                recordContentSource: du
                recordCreationDate: 2006-03-14
            identifier: http://urn.kb.se/resolve?urn=urn:nbn:se:du-1962
            titleInfo: 
                @attributes: 
                    lang: swe
                title: Vedegenskaper i härskande och behärskade granar vid Remingstorp
                subTitle: Wood properties in dominant and sub-dominant trees of Norway spruce at Remingstorp
            abstract: 
Variation in wood properties for Picea abies trees and logs of different dimensions has been studied at two sites in southern Sweden of different site quality class. Trees have been classified as dominant or sub-dominant according to their height. Log and board grades were classified and strength grade of boards basic density and annual ring width measured. A similar study made on four northern sites was used as reference material.\nSub-dominant trees were of superior quality in comparison to dominant trees when classified by log and board grades or strength grading. Differences were accentuated for the second log where the sub-dominant trees had superior strength and low amount of boards with coarse branches. \nThe results correspond well to those from the northern region Jämtland. The classifica¬tion of boards as well as bending strength indicated superior properties on timber from northern sites even though the basic density was similar.

            subject: 
                    @attributes: 
                        lang: swe
                    topic: Picea Abies
                    @attributes: 
                        lang: swe
                    topic: gran
                    @attributes: 
                        lang: swe
                    topic: trädklasser
                    @attributes: 
                        lang: swe
                    topic: virkesegenskaper
                    @attributes: 
                        lang: swe
                    topic: virkeskvalitet
                    @attributes: 
                        lang: swe
                    topic: hållfasthet
                    @attributes: 
                        lang: swe
                    topic: densitet. Norway spruce
                    @attributes: 
                        lang: swe
                    topic: tree class
                    @attributes: 
                        lang: swe
                    topic: wood properties
                    @attributes: 
                        lang: swe
                    topic: quality of boards
                    @attributes: 
                        lang: swe
                    topic: strength
                    @attributes: 
                        lang: swe
                    topic: basic density.
            language: 
                languageTerm: swe
            genre: 
                publication/report
                vet
            note: 
                Published
                1
            name: 
                @attributes: 
                    type: personal
                namePart: 
                    Karlmats
                    U.
                role: 
                    roleTerm: aut
            originInfo: 
                dateIssued: 2001
                publisher: Högskolan Dalarna
                place: 
                    placeTerm: Borlänge
            relatedItem: 
                @attributes: 
                    type: series
                titleInfo: 
                    title: Rapport/Avd för Skog och Träteknik
                    partNumber: 15
                identifier: 1403-8188
            location: 
                url: http://du.diva-portal.org/smash/get/diva2:522959/FULLTEXT01.pdf
            accessCondition: gratis
            physicalDescription: 
                form: electronic
            typeOfResource: text