Results 111 to 120 of about 215 (128)
Lineamientos para la conservación de Quercus humboldtii (Fagaceae) en la provincia del Guavio, Cundinamarca [PDF]
Journal De Ciencia E Ingeniería, 2020 El roble Quercus humboldtii es una especie endémica de las tierras altas de los Andes, al norte de Sudamerica, en Colombia está clasificada en estado de amenaza vulnerable (VU-A2-cd). En este estudio determinamos la ubicación espacial, el estado actual y los factores de amenaza que presentan las poblaciones de roble en la provincia del Guavio, de ...
BEATRIZ Amalia Garavito Guerrero +1 more
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Forest Pathology, 2022
Abstract Quercus humboldtii is the dominant tree species in oak forest ecosystems in the Colombian Andes, and approximately 15,000 trees have been planted in urban Bogotá. In Bogotá, Q .
Julian Lamilla +2 more
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Abstract Quercus humboldtii is the dominant tree species in oak forest ecosystems in the Colombian Andes, and approximately 15,000 trees have been planted in urban Bogotá. In Bogotá, Q .
Julian Lamilla +2 more
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Prediction of the climatic distribution of the Colombian oak Quercus humboldtii Bonpl. (Fagaceae)
2018Análisis espaciales de variables climáticas son importantes para entender la posible adaptación de las plantas a condiciones ambientales inestables. Este articulo presenta la distribución climática potencial de Q. humboldtii Bonpland en Colombia. Datos de colecciones de herbario fueron usados para generar el mapa de distribución.
González Orozco, Carlos, Palacio, Juan
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Phytopathogenic Mollicutes, 2019
Phytoplasmas of 16SrI-B and 16SrVII-A subgroups infect the urban Quercus humboldtii trees in Bogota, Colombia. A survey allowed to detect the phytoplasma presence in the 93% of sampled trees, in particular in the 55% of these trees the 16SrVII-A phytoplasmas were detected, in the 37% the 16SrI-B phytoplasmas were present, while the 8% resulted ...
Julián Lamilla +2 more
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Phytoplasmas of 16SrI-B and 16SrVII-A subgroups infect the urban Quercus humboldtii trees in Bogota, Colombia. A survey allowed to detect the phytoplasma presence in the 93% of sampled trees, in particular in the 55% of these trees the 16SrVII-A phytoplasmas were detected, in the 37% the 16SrI-B phytoplasmas were present, while the 8% resulted ...
Julián Lamilla +2 more
openaire +1 more source
Mycologia, 2019
To meet a global demand for timber, tree plantations were established in South America during the first half of the 20th century. Extensive plantings of non-native species now are found in Brazil, Chile, Argentina, and Uruguay. In Colombia, miscellaneous plantations were established in the 1950s, during a period of intensive local logging, when ...
Natalia Vargas +4 more
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To meet a global demand for timber, tree plantations were established in South America during the first half of the 20th century. Extensive plantings of non-native species now are found in Brazil, Chile, Argentina, and Uruguay. In Colombia, miscellaneous plantations were established in the 1950s, during a period of intensive local logging, when ...
Natalia Vargas +4 more
openaire +2 more sources
Plant Biosystems - An International Journal Dealing with all Aspects of Plant Biology, 2011
Abstract Quercus forests reach their southern limit of distribution in Colombia, where they are represented by Quercus humboldtii. In the inner slopes of the Western and Eastern cordilleras of Colombia, oak forests are located in areas with annual rainfall between 1260 and 1960 mm.
J. Orlando Rangel Ch., A. Avella
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Abstract Quercus forests reach their southern limit of distribution in Colombia, where they are represented by Quercus humboldtii. In the inner slopes of the Western and Eastern cordilleras of Colombia, oak forests are located in areas with annual rainfall between 1260 and 1960 mm.
J. Orlando Rangel Ch., A. Avella
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Biotropica, 2006
ABSTRACT Quercus humboldtii is a montane forest dominant species in Colombia, which has experienced significant habitat loss. Using three microsatellite loci, we compared the genetic diversity of adults and seedlings in fragments of small and large size.
Juan F. Fernández‐M. +1 more
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ABSTRACT Quercus humboldtii is a montane forest dominant species in Colombia, which has experienced significant habitat loss. Using three microsatellite loci, we compared the genetic diversity of adults and seedlings in fragments of small and large size.
Juan F. Fernández‐M. +1 more
openaire +1 more source