Revista Chapingo Serie Ciencias Forestales y del Ambiente
Universidad Autónoma Chapingo
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Revista Chapingo Serie Ciencias Forestales y del Ambiente
Volume XV, issue 1, January - June 2009
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ESTABLECIMIENTO DE REGENERACIÓN DE Pinus patula Schl. et Cham., EN CORTAS BAJO EL MÉTODO DE ÁRBOLES PADRES
ESTABLISHMENT OF REGENERATION OF Pinus patula Schl. et Cham. IN CUTTINGS UNDER THE SEED-TREES METHOD

M. Castelán-Lorenzo; B. Arteaga-Martínez

http://dx.doi.org/

Received: 0000-00-00

Accepted: 0000-00-00

Available online: / pages.49-57

 

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  • descriptionAbstract

    e evaluated the establishment of the regeneration of Pinus patula Schl. et Cham. in Ejido La Mojonera Zacualtipan municipality in the state of Hidalgo, México, in forest areas managed by the seed tree method. The Silvicultural Development System (MDS) provides a grace period of five years after the use for which the regeneration is considered established, based on this, this study considered the six following years: 1997, 1998, 1999, 2000, 2001 and 2002.By sampling sites randomly located within the areas seized in the years indicated, information was obtained about the density, height, base diameter and crown diameter of the species of interest to determine their growth through year. The results showed that regeneration behaves regularly and evenly in the six areas (annual) evaluated, considered as established for the four years after harvesting, since this time, a density of 4200 individuals / ha (exceeding the norm profile for the MDS of 2500 individuals / ha), with an average height of 2.7 m in diameter at the base average of 3.8 cm and an average canopy diameter of 1.34 m. In the case of the years 1998 and 1997, found that the canopy cover outweigh the parameter set by the procedures of evaluation, why, in these areas can be a preaclareo up to 40 %, aimed at obtaining a desired structure.

    Keyworks: mean density, forest growth, total height, diameter at the base, canopy diameter.
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  • starCite article

    Castelán-Lorenzo, M., &  Arteaga-Martínez, B. (2009).  ESTABLISHMENT OF REGENERATION OF Pinus patula Schl. et Cham. IN CUTTINGS UNDER THE SEED-TREES METHOD. Revista Chapingo Serie Ciencias Forestales y del Ambiente, XV(1), 49-57. http://dx.doi.org/