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Effects of Freezing Conditions on Boles of Snow Gum

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Abstract:

The girths of snow gums showed large shrinkage during freezing weather in late winter 1974. The magnitude of shrinkage was closely related to thickness of bark. Shrinkage of fresh log sections occurred when bark tissue was cooled to between -0.5° and -2°C and increased at lower temperatures. Shrinkage was localized in the bark. By contrast, xylem expanded. The xylem returned to original dimensions after thawing but bark tissue failed to attain its original thickness after thawing apparently because of injury. The change in dimensions of the bark layer on freezing is explained by extracellular ice formation and cell dehydration. Forest Sci. 22:370-376.

Keywords: Eucalyptus pauciflora; bole shrinkage; dendrometric measurements; freezing effects

Document Type: Journal Article

Affiliations: Division of Plant Industry, Commonwealth Scientific and Industrial Research Organization, P.O. Box 1600, Canberra City, A.C.T. 2601, Australia

Publication date: September 1, 1976

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
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