Elie2004

Reference

Elie, J.-G. (2004) Modélisation du risque de chablis en forêt boréale pour l'épinette noire et le pin gris. Master's thesis, Université Laval.

Abstract

Windthrow is a natural disturbance that is likely to become more important with the refinement of silvicultural practices in forest management. Indeed, the increasing use of partial cutting and the reduction of the size of cutting blocks have been associated to greater risk of damages. To help in predicting windthrow hazard, the present study has been designed to compare the mechanical resistance of black spruce ( Picea mariana (Mill.) B.S.P.) and jack pine ( Pinus banksiana Lamb.). Among the five selected sites, two were located in pure black spruce stands and the remaining three, in stands composed of a mixture of black spruce and jack pine. Soils with restrictive conditions to root development were also included in the analyses. To measure the mechanical resistance, each tree was pulled over using a cable and winch system. The maximal applied forces that a tree can withstand before failure is expressed as the critical turning moment ( M c ). (Abstract shortened by UMI.)

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@MASTERSTHESIS { Elie2004,
    AUTHOR = { Elie, J.-G. },
    TITLE = { Modélisation du risque de chablis en forêt boréale pour l'épinette noire et le pin gris },
    SCHOOL = { Université Laval },
    YEAR = { 2004 },
    NOTE = { CEFTMS, Ruel, J.-C., Jean-Gabriel Elie. Pqdt Thèse (M.Sc.)--Université Laval, 2004. Bibliogr.: f. 44-51. Texte en français ou en anglais. Thèse. Foresterie et géodésie Thèse (de maîtrise) Ruel, Jean-Claude, directeur de thèse },
    ABSTRACT = { Windthrow is a natural disturbance that is likely to become more important with the refinement of silvicultural practices in forest management. Indeed, the increasing use of partial cutting and the reduction of the size of cutting blocks have been associated to greater risk of damages. To help in predicting windthrow hazard, the present study has been designed to compare the mechanical resistance of black spruce ( Picea mariana (Mill.) B.S.P.) and jack pine ( Pinus banksiana Lamb.). Among the five selected sites, two were located in pure black spruce stands and the remaining three, in stands composed of a mixture of black spruce and jack pine. Soils with restrictive conditions to root development were also included in the analyses. To measure the mechanical resistance, each tree was pulled over using a cable and winch system. The maximal applied forces that a tree can withstand before failure is expressed as the critical turning moment ( M c ). (Abstract shortened by UMI.) },
    KEYWORDS = { Chablis (Sylviculture) Simulation, Méthodes de Épinette noire Propriétés mécaniques Simulation, Méthodes de Pin gris Propriétés mécaniques Simulation, Méthodes de },
    OWNER = { brugerolles },
    TIMESTAMP = { 2008.01.17 },
}

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