Effect of cattle and wildlife exclusion areas on the survival and growth of Pinus culminicola Andresen & Beaman

Javier Jiménez Pérez, José Israel Israel Yerena Yamallel, Eduardo Alanís Rodríguez, Oscar Alberto Aguirre Calderón, René Alejandro Martínez Barrón

Abstract


In 1997, a restoration of Pinus culminicola was established under three exclusion areas: E1 = cattle plus small mammal exclusion, E2 = cattle exclusion and E3 = no exclusion (free range), in the Cerro El Potosi Protected Natural Area, located in Nuevo León, Mexico. The objective of this study was to determine the survival rate and the increase in diameter and height of Pinus culminicola individuals at three and 17 years after planting. The results show differences between 2000 and 2014 in survival rate and diameter and height growth in the three exclusion areas; E1 and E2 recorded higher averages. The main causes of mortality in this species are attributed to extreme weather conditions and the damage caused by cattle and small mammals.




DOI: http://dx.doi.org/10.19136/era.a5n13.1043

ECOSISTEMAS Y RECURSOS AGROPECUARIOS(ECOSYSTEMS AND AGRICULTURAL RESOURCES), Year 6, Issue 16, January-April 2019, is a triannual journal edited, published and distributed by the Universidad Juárez Autónoma de Tabasco, Av. Universidad s/n, Zona de la Cultura, Col. Magisterial, Villahermosa, Centro, Tabasco, CP. 86040, Tel (993) 358 15 00, www.ujat.mx, era@ujat.mx., era@ujat.mx. Editor-in-chief: Efraín de la Cruz Lázaro. Copyright No. 04-2013-120514213600-203, ISSN: 2007-901X, both granted by the Instituto Nacional del Derecho de Autor (National Institute of Copyright), with certificate of title and content No. 16540 granted by the Secretaría de Gobernación(Ministry of the Interior). Individual responsible for the last update of this issue was journal Editorial Assistant Lic. Misael Hernández Martínez, Av. Universidad s/n, Zona de la Cultura, Col. Magisterial, Vhsa, Centro, Tabasco, Mex. C.P. 86040; date of last modification, December 31, 2018.

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