Rochon2004

Reference

Rochon, C. (2004) Croissance et densité du bois de sept provenances de Guazuma crinita Mart. dans le bassin de l'Amazonie péruvienne. Master's thesis, Université Laval.

Abstract

The growth and wood quality of seven provenances of Guazuma crinita Mart. were evaluated twelve months after plantation in an agroforestry system in the Peruvian Amazon. The provenances, all native to the same watershed, were planted in three different zones within the watershed: lower, central and upper. Two provenances showed superior height and diameter growth in all three study zones. Local provenances did not outperform the other provenances in their zones of origin. Site fertility, which was highest in the upper zone, had no effect on growth rate. Negative correlations between the specific gravity of the wood and (a) height, (b) diameter and (c) the dynamic compliance coefficient in the longitudinal direction (s 11 ) suggested that trees selected for a high specific gravity would exhibit slower growth and a lower dynamic compliance coefficient in the longitudinal direction. The specific gravity of the wood was higher in the lower zone than in the upper zone, but no significant difference was observed between the specific gravity of the wood near the pith and near the bark of the trees. It was not possible to establish clear correlations between the different growth and wood quality characteristics and the geographical coordinates.

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@MASTERSTHESIS { Rochon2004,
    AUTHOR = { Rochon, C. },
    TITLE = { Croissance et densité du bois de sept provenances de Guazuma crinita Mart. dans le bassin de l'Amazonie péruvienne },
    SCHOOL = { Université Laval },
    YEAR = { 2004 },
    NOTE = { CEFTMS, Margolis, H.A., Caroline Rochon. Pqdt Thèse (M.Sc.)--Université Laval, 2004. Bibliogr. Thèse. Foresterie et géodésie Thèse (de maîtrise) Margolis, Hank, directeur de thèse },
    ABSTRACT = { The growth and wood quality of seven provenances of Guazuma crinita Mart. were evaluated twelve months after plantation in an agroforestry system in the Peruvian Amazon. The provenances, all native to the same watershed, were planted in three different zones within the watershed: lower, central and upper. Two provenances showed superior height and diameter growth in all three study zones. Local provenances did not outperform the other provenances in their zones of origin. Site fertility, which was highest in the upper zone, had no effect on growth rate. Negative correlations between the specific gravity of the wood and (a) height, (b) diameter and (c) the dynamic compliance coefficient in the longitudinal direction (s 11 ) suggested that trees selected for a high specific gravity would exhibit slower growth and a lower dynamic compliance coefficient in the longitudinal direction. The specific gravity of the wood was higher in the lower zone than in the upper zone, but no significant difference was observed between the specific gravity of the wood near the pith and near the bark of the trees. It was not possible to establish clear correlations between the different growth and wood quality characteristics and the geographical coordinates. },
    KEYWORDS = { Guazuma crinita Pérou Amazonie péruvienne Qualité Guazuma crinita Pérou Amazonie péruvienne Croissance Guazuma crinita Pérou Aguaytía, Bassin de l' Bois Pérou Amazonie péruvienne Densité },
    OWNER = { brugerolles },
    TIMESTAMP = { 2008.01.16 },
}

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