Skip to main content

Variation in Sapwood Thickness of Douglas-Fir in Relation to Tree and Section Characteristics

Buy Article:

$29.50 plus tax (Refund Policy)


Variation in sapwood thickness in 437 discs cut at stump height and from tops of 16-foot logs in 58 Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) trees is analyzed in relation to 10 tree and 11 section characteristics. Dbh, crown class, and crown width are shown to be the most important tree variables. Diameter outside bark, and rate of growth in the last decade, are the most important section variables. Thickness of sapwood bands and number of annual rings contained therein seem to be explained best by Jorgensen's theory describing formation of protection wood in terms of aeration and/or desiccation of sapwood.

Document Type: Journal Article

Affiliations: Professor

Publication date: 1966-03-01

More about this publication?
  • Forest Science is a peer-reviewed journal publishing fundamental and applied research that explores all aspects of natural and social sciences as they apply to the function and management of the forested ecosystems of the world. Topics include silviculture, forest management, biometrics, economics, entomology & pathology, fire & fuels management, forest ecology, genetics & tree improvement, geospatial technologies, harvesting & utilization, landscape ecology, operations research, forest policy, physiology, recreation, social sciences, soils & hydrology, and wildlife management.
    Forest Science is published bimonthly in February, April, June, August, October, and December.

    2015 Impact Factor: 1.702
    Ranking: 16 of 66 in forestry

    Also published by SAF:
    Journal of Forestry
    Other SAF Publications
  • Submit a Paper
  • Membership Information
  • Author Guidelines
  • Podcasts
  • Ingenta Connect is not responsible for the content or availability of external websites
  • Access Key
  • Free ContentFree content
  • Partial Free ContentPartial Free content
  • New ContentNew content
  • Open Access ContentOpen access content
  • Partial Open Access ContentPartial Open access content
  • Subscribed ContentSubscribed content
  • Partial Subscribed ContentPartial Subscribed content
  • Free Trial ContentFree trial content
Cookie Policy
Cookie Policy
Ingenta Connect website makes use of cookies so as to keep track of data that you have filled in. I am Happy with this Find out more