Avanzada

Does the Genetic Diversity of Macuilillo, Oreopanax xalapensis (Araliaceae), Change Along Successional Gradients of the Montane Cloud Forest?

Periodo de realización: 1900/01/01 al 2019/01/01

Tipo: Artículo científico

Lugar(es) de estudio: San Cristóbal de las Casas, Chis., México
Resumen: "Forest regeneration after human-induced or natural disturbances results in a sequential replacement of species, starting with colonizing of pioneer species that modifies the physical conditions of the environment, which later allows the establishment of mid- and late-successional species. Whether the forest succession implies a reduction of population size of tree species might be expected a less genetic diversity in populations inhabiting oldest succession stages. We aimed to study whether genetic diversity of Macuilillo, Oreopanax xalapensis (a understory tree), decreases in advanced age-classes and in late successional of montane cloud forest at Huitepec Ecological Reserve (Chiapas, Mexico). We counted individuals from three age classes: seedlings, saplings, and young reproductive individuals in nine plots along three successional stages (early-, middle-, and late-successional forests). Seven enzyme systems (SOD, AP, FUM, G6PDH, GOT, GPI, and G3PDH) were used to obtain common genetic diversity"

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