Berube-DeschenesFranceschiniSchneider2016

Référence

Berube-Deschenes, A., Franceschini, T., Schneider, R. (2016) Factors affecting plantation grown white spruce (Picea Glauca) acoustic velocity. Journal of Forestry, 114(6):629-637. (Scopus )

Résumé

In Eastern Quebec, 36,000 ha of plantations will be ready for a first commercial thinning in the next few years. With the increase use of thinnings, managers are asked to also integrate the financial return of their operations into their decision process. They must thus take into consideration the quality of the harvested trees. Softwood is mainly used for commodity lumber production in Quebec, with mechanical properties being an important wood quality trait. To evaluate standing wood properties, the modulus of elasticity can be estimated nondestructively by measuring acoustic velocity. With the use of data from 94 sample plots in 48 plantations, the effects of tree size, competition, growth rate, and site index on the acoustic velocity of planted white spruce were studied. Competition was quantified using both distance-independent and distance-dependent competition indices. The various competition indices were also subdivided according to the competition type (conifer/broadleaved). The acoustic velocity was found to be proportional to tree size and inversely proportional to growth rate, site index, and competition. The distance-independent competition indices performed better, and discrimination between competition type did not improve the models. These results will help foresters evaluate tree quality before harvesting. © 2016 Society of American Foresters.

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@ARTICLE { Berube-DeschenesFranceschiniSchneider2016,
    AUTHOR = { Berube-Deschenes, A. and Franceschini, T. and Schneider, R. },
    TITLE = { Factors affecting plantation grown white spruce (Picea Glauca) acoustic velocity },
    JOURNAL = { Journal of Forestry },
    YEAR = { 2016 },
    VOLUME = { 114 },
    NUMBER = { 6 },
    PAGES = { 629-637 },
    NOTE = { cited By 0 },
    ABSTRACT = { In Eastern Quebec, 36,000 ha of plantations will be ready for a first commercial thinning in the next few years. With the increase use of thinnings, managers are asked to also integrate the financial return of their operations into their decision process. They must thus take into consideration the quality of the harvested trees. Softwood is mainly used for commodity lumber production in Quebec, with mechanical properties being an important wood quality trait. To evaluate standing wood properties, the modulus of elasticity can be estimated nondestructively by measuring acoustic velocity. With the use of data from 94 sample plots in 48 plantations, the effects of tree size, competition, growth rate, and site index on the acoustic velocity of planted white spruce were studied. Competition was quantified using both distance-independent and distance-dependent competition indices. The various competition indices were also subdivided according to the competition type (conifer/broadleaved). The acoustic velocity was found to be proportional to tree size and inversely proportional to growth rate, site index, and competition. The distance-independent competition indices performed better, and discrimination between competition type did not improve the models. These results will help foresters evaluate tree quality before harvesting. © 2016 Society of American Foresters. },
    AUTHOR_KEYWORDS = { Acoustic velocity; Nondestructive wood quality; Plantations; Thinning; White spruce },
    DOCUMENT_TYPE = { Article },
    DOI = { 10.5849/jof.15-141 },
    KEYWORDS = { Acoustic wave velocity; Quality control; Velocity, Competition index; Decision process; Financial returns; Lumber production; Plantations; Thinning; White spruce; Wood qualities, Forestry, Picea glauca },
    SOURCE = { Scopus },
    URL = { https://www.scopus.com/inward/record.uri?eid=2-s2.0-84994496721&partnerID=40&md5=7b6c6a9f641afb0b7e971c8ccf74ed96 },
}

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