Foliar morphological variation in the white oak Quercus rugosa Nee (Fagaceae) along a latitudinal gradient in Mexico: Potential implications for management and conservation

作者: Dolores Uribe-Salas , Cuauhtémoc Sáenz-Romero , Antonio González-Rodríguez , Oswaldo Téllez-Valdéz , Ken Oyama

DOI: 10.1016/J.FORECO.2008.08.002

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摘要: Abstract Quercus rugosa Nee (section Quercus) has a distribution from the southern United States to Honduras. This study characterized leaf variation across whole of species in Mexico. Ten foliar morphometric characters were scored each 241 individuals 25 localities. A principal component analysis resolved four components (PCs) that explained 76.4% total variation. nested variance revealed significant differences among populations (29.2% average contribution for PCs) and among-trees within (39.2%), while 31.6% was due intra-individual For first PC (related size), 52.1% resulted population differences. negatively correlated with latitude (r = −0.86; P

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