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Tillförlitligheten i den automatiserade gallringsuppföljningen
Linnaeus University, Faculty of Technology, Department of Forestry and Wood Technology.
1985 (Swedish)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

To ensure that thinning is done properly and correct due to instruction, regularly manual monitoring of the stand is done by the harvester operator after thinning. The aim of this study is to investigate the reliability of a newly developed program, that is using harvester data to automaticly calculate stand variables after thinning. A manual forest inventory was carried out in ten differens stands i south west of Sweden, where basal area, stem density, volume and species mix were estimated and compared to the automatically calculated data. The results shows that volume and stem density were estimated with high precision while the systematic deviation for basal area was 10 %, which is a significant differens. 

Place, publisher, year, edition, pages
1985. , 24 p.
Keyword [en]
thinning, automated forest inventory, harvester data, estimation, stand variables
National Category
Forest Science
Identifiers
URN: urn:nbn:se:lnu:diva-54057OAI: oai:DiVA.org:lnu-54057DiVA: diva2:940445
External cooperation
Sydved AB
Subject / course
Skogs- och träteknik
Educational program
Forest Production and Wood utilization Programme, 180 credits
Supervisors
Examiners
Available from: 2016-06-22 Created: 2016-06-21 Last updated: 2016-06-22Bibliographically approved

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fulltext(1252 kB)79 downloads
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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf