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Derivation of Root Contact Probability

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The ability to estimate the probability of root contacts is required as a basis for the development of any realistic model of root rot dynamics for evaluation of control measures. The probability of such contacts is estimated from the size and orientation of the roots, using a method based on vector dot products. A small modification of the relationships allows calculation of the probability that roots will be within a given distance of each other, for use in competition studies. Hypothetical examples are used to illustrate the method of evaluating the contact probability. Forest Sci. 25:206-212.
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Keywords: Phellinus weirii; Poria weirii; Pseudotsuga menziesii; competition; model; root rot

Document Type: Journal Article

Affiliations: Environment Canada, Canadian Forestry Service, Pacific Forest Research Centre, Victoria, B.C. V8Z 1M5

Publication date: 1979-06-01

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.

    2016 Impact Factor: 1.782 (Rank 17/64 in forestry)

    Average time from submission to first decision: 62.5 days*
    June 1, 2016 to Feb. 28, 2017

    Also published by SAF:
    Journal of Forestry
    Other SAF Publications
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