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Revista Chapingo serie ciencias forestales y del ambiente
versão On-line ISSN 2007-4018versão impressa ISSN 2007-3828
Resumo
ACOSTA-HERNANDEZ, Celia Cecilia et al. Morphological and dasometric characterization of Juglans pyriformis Liebm ., a threatened species. Rev. Chapingo ser. cienc. for. ambient [online]. 2011, vol.17, n.1, pp.59-67. ISSN 2007-4018. https://doi.org/10.5154/r.rchscfa.2010.03.015.
Juglans pyriformis is a threatened species endemic to a cloud forest environment. In order to determine the morphological variation within the J. pyriformis population in Coacoatzintla, Veracruz. Six morphological and two dasometric variables were evaluated, through non-probability sampling, in 1 to 5 individuals per site, located at a distance equal to or greater than 50 m or until locating the next individual. The data were analyzed using tests of independence between variables, Principal Components Analysis, cluster analysis, coefficient of variation and Levene's test of homogeneity of variance. The results obtained allowed identifying two indicators for the CROWN and TRUNK morphological variables, and one for the HEIGHT-DIAMETER dasometric relationship. The HEIGHT-DIAMETER indicator provided more variation within the population (42 %). Significant differences were found within the population for the CROWN and HEIGHT-DIAMETER indicators.
Palavras-chave : Morphological variation; morphological indicators; natural plant population; cloud forest; principal components analysis.