Revista Chapingo Serie Ciencias Forestales y del Ambiente
Universidad Autónoma Chapingo
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Revista Chapingo Serie Ciencias Forestales y del Ambiente
Volume IV, issue 2, July - December 1998
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Evaluación de la calidad de sitio y del efecto de la densidad en bosques de Pinus cooperi del Estado de Durango
Evaluation of site quality and the effect of density in forests of Pinus cooperi in the State of Durango

A. Quiñones-Chávez; H. Ramírez-Maldonado

http://dx.doi.org/0000

Received: 23-09-1998

Accepted: 06-10-1998

Available online: / pages.311-314

 

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  • descriptionAbstract

    The evaluation of site quality and the determination of appropriate densities are very important topics in the management of forest stands.  In this study, site quality was classified using the Schumacher model in its anamorphic version, and densities were determi-ned using the Reineke Stand Density Index (IDRR) and Crown Competition Factor (CCF) at the Sitio Permanente de Experimenta-ción Forestal “Cielito Azul” located in San Miguel de Cruces, Durango, Mexico. The most important results showed that 61.12% of the total area is represented, in equal percentages, with site qualities for 23 and 26 m, followed by the site quality for 29 m with 16.67%, and finally the site quality for 19.68m. The best site qualities (32, 35 and 41 m) were found in only 8.34% of the area. IDRR was 2685 trees with a 25.4 quatratic diameter reference. CCF varied from 6916 trees (10 cm d.b.h.) to 1282 trees (30 cm d.b.h.).

    Keyworks: Pinus cooperi, reineke Index, crown competition factor, growth, yield, model.
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  • starCite article

    Quiñones-Chávez, A., &  Ramírez-Maldonado, H. (1998).  Evaluation of site quality and the effect of density in forests of Pinus cooperi in the State of Durango. Revista Chapingo Serie Ciencias Forestales y del Ambiente, IV(2), 311-314. http://dx.doi.org/0000