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Revista Mexicana de Ciencias Forestales
Article . 2018 . Peer-reviewed
License: CC BY NC
Data sources: Crossref
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Revista Mexicana de Ciencias Forestales
Article
License: CC BY NC
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VARIACIÓN FENOTÍPICA DE POBLACIONES NATURALES DE Pinus oocarpa Schiede ex Schltdl. EN CHIAPAS

Authors: Benito N. Gutiérrez Vázquez; Martín Gómez Cárdenas; Mario H. Gutiérrez Vázquez; Carlos Mallén Rivera;

VARIACIÓN FENOTÍPICA DE POBLACIONES NATURALES DE Pinus oocarpa Schiede ex Schltdl. EN CHIAPAS

Abstract

De acuerdo con la Norma Oficial Mexicana NOM-059 SEMARNAT-2010, Pinus oocarpa no es una especie en peligro de extinción, pero sus poblaciones adaptadas localmente son de considerable valor como recursos genéticos, y en la actualidad son objeto de destrucción severa debido al cambio de uso de suelo. Por ello se llevó a cabo un estudio en tres de sus áreas naturales con el objetivo de determinar la variación fenotípica entre ellas. Se evaluaron 12 variables morfológicas: cinco dasométricas, tres de conos y cuatro de acículas; y se practicaron varios tipos de análisis: de varianza multivariado, de componentes principales y de agrupamiento. Se obtuvieron diferencias significativas (P<0.01) entre las poblaciones de Motozintla, General Leyva y Corazón del Valle para las variables dasométricas, conos y acículas. La de Corazón del Valle es fenotípicamente diferente a las de Motozintla y General Leyva. La variación en las características dasométricas está ligada a factores ambientales. Las correspondientes a los conos y las acículas muestran una fuerte tendencia a que las de Motozintla y General Leyva pertenezcan a una misma unidad genética y estén estrechamente ligadas a las poblaciones de América Central. Es posible que la variación inherente observada en las correspondientes a las de Corazón del Valle se restrinja a una adaptación local hacia un clima cálido subhúmedo, debido a la gran plasticidad ecológica de la especie.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
4
Average
Average
Average
gold