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Varför somliga granar undgår angrepp av granbarkborren
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
Why some spruces avoid attacks by the spruce bark beetle (English)
Abstract [en]

After the storms Gudrun and Per, about 3 million cubic meters of standing forest were attacked. The cost of the both storms are estimated to have cost the Swedish forestry sector approximately 1.2 billion SEK. The study investigated why some of the spruces had survived the substantial attacks of the spruce bark beetles in Nyteboda forest nature reserve. Stem related variables and the environment the spruces grew in were investigated. Young trees with a high proportion of crown and a low diameter at breast height seem to avoid attacks to a greater extent. The environment they grow in, the microclimate also proved to be of great importance whether they are able to avoid attacks, as there were stems that had beneficial properties but still were attacked. 

Place, publisher, year, edition, pages
2017. , p. 24
Keywords [sv]
Spruce, spruce bark beetle, microclimate, age, proportion of crown.
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:lnu:diva-65331OAI: oai:DiVA.org:lnu-65331DiVA, id: diva2:1109831
Subject / course
Skogs- och träteknik
Educational program
Forest Production and Wood utilization Programme, 180 credits
Presentation
2017-06-01, M1050, Växjö, 18:41 (Swedish)
Supervisors
Examiners
Available from: 2017-06-15 Created: 2017-06-14 Last updated: 2017-06-15Bibliographically approved

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fulltext(1145 kB)31 downloads
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File name FULLTEXT01.pdfFile size 1145 kBChecksum SHA-512
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Type fulltextMimetype application/pdf

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Department of Forestry and Wood Technology
Natural Sciences

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • 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