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En jämförelse av antalet kvarvarande stammar mellan beståndsgående och stickvägsgående skördare i förstagallring
Linnaeus University, Faculty of Technology, Department of Forestry and Wood Technology.
2017 (Swedish)Independent thesis Basic level (degree of Bachelor), 180 HE creditsStudent thesisAlternative title
A comparison of the number of remaining stems between stand-thinning machines and strip-road thinning machines in first thinnings (English)
Abstract [sv]

Vid avverkning av virke vid gallring börjat handla om två maskintyper stickvägs- och beståndsgående skördare för att utföra gallring. Studiens syfte var att se om det fanns någon skillnad i antalet kvarvarande stammar efter gallring mellan de olika maskintyperna. För att komma fram till om det fanns någon skillnad mellan maskintyperna användes cirkelprovytor 5,64 m för att räkna stammar. Resultatet visade på skillnader i antal stammar per ha och också på en skillnad i grundyta. Beståndsgående skördare skapar förutsättningar för stabilare bestånd då inte breda stickvägar tas upp.

Abstract [en]

In thinnings two types of machines, strip road and stand-thinning machines are used. The study's purpose was to see if there was any difference in the number of stems per ha after thinning with the various machine types. To find out whether there was any difference between the types of machines circular plots were used, 5,64 m, to count the stem number and basal area. The results showed differences in the number of stems per ha and also showed a difference in basal area. Stand-thinning machines creates conditions for stable stands since wide strip roads doesn`t occur.

Place, publisher, year, edition, pages
2017. , p. 23
Keywords [en]
strip road, stand-thinning machines, difference, number, remaining tree, thinning
Keywords [sv]
stickväg-, beståndsgående skördare, skillnad, antal, kvarvarande träd, gallring
National Category
Forest Science
Identifiers
URN: urn:nbn:se:lnu:diva-61072OAI: oai:DiVA.org:lnu-61072DiVA, id: diva2:1078495
Subject / course
Skogs- och träteknik
Educational program
Forest Production and Wood utilization Programme, 180 credits
Presentation
2016-06-02, 10:42
Supervisors
Examiners
Available from: 2017-03-08 Created: 2017-03-04 Last updated: 2017-03-08Bibliographically approved

Open Access in DiVA

fulltext(316 kB)103 downloads
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Type fulltextMimetype application/pdf

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CiteExportLink to record
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Citation style
  • apa
  • ieee
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  • vancouver
  • Other style
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Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
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  • Other locale
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Output format
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