Revista Chapingo Serie Ciencias Forestales y del Ambiente
Universidad Autónoma Chapingo
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Revista Chapingo Serie Ciencias Forestales y del Ambiente
Volume V, issue 2, July - December 1999
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Estudio de la relación área mínima contra área real de la superficie de la copa en árboles de vegetación  secundaria en Campeche, México
A study of the ratio of minimum area to real area of the tree crowns of secondary vegetation in Campeche, Mexico

Francisco J. Zamudio-Sánchez; J. L. López-Torres

http://dx.doi.org/0000

Received: 12/11/1999

Accepted: 24/11/1999

Available online: / pages.167-171

 

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  • descriptionAbstract

    Performance was analyzed over time of a relationship of areas in eight species of secondary vegetation in three permanent silviculture research sites, in which the slash-and-burn system was used, located in the experimental station "lng. Eduardo Sangri Serrano," Escarcega, Campeche, Mexico.  Nine different ages were included in the study, as well as the inverse relationship between area  (Ar) of the cylinder's surface formed by the diameter and the height of the  crown and the smallest area (Am) possible from the  cylinder that has the same volume as that estimated with the original variables of the crown.  That is, the behavior of AmlAr1, is studied and is referred to as efficiency.The performance of the relationship as a function of time was examined using Schumacher’s empirical model of growth.  Solving far age in the model and with the mean values of the measurements of the relationship of the species studied, for a minimum acceptable efficiency (EMA) of 0.97, the ages at which this value is reached for each species were calculated.  These ages coincide with the reduction of the mean annual increase in diameter.

    Keyworks: Mínimum allowed efficiency, real area, mínimum area.
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  • starCite article

    Zamudio-Sánchez, F. J.,  &  López-Torres, J. L. (1999).  A study of the ratio of minimum area to real area of the tree crowns of secondary vegetation in Campeche, Mexico. Revista Chapingo Serie Ciencias Forestales y del Ambiente, V(2), 167-171. http://dx.doi.org/0000