Results 1 to 10 of about 49,939 (102)

OAK FORESTS TYPES OF Quercus humboldtii IN THE Guantiva-La Rusia-Iguaque CORRIDOR (SANTANDER-BOYACÁ, COLOMBIA): THEIR CONSERVATION AND SUSTAINABLE USE [PDF]

open access: yesColombia Forestal, 2014
Los bosques de robles en el corredor Guantiva-La Rusia-Iguaque corresponden a la formación mayor de Quercus humboldtii y Billia rosea, los cuales se clasificaron en una estructura jerárquica de siete tipos: Bosques de Q.
Andrés Avella Muñoz   +1 more
exaly   +8 more sources

The DNA history of a lonely oak: Quercus humboldtii phylogeography in the Colombian Andes [PDF]

open access: yesEcology and Evolution, 2021
The climatic and geological changes that occurred during the Quaternary, particularly the fluctuations during the glacial and interglacial periods of the Pleistocene, shaped the population demography and geographic distribution of many species.
Hernando Rodríguez-Correa   +2 more
exaly   +4 more sources

Quercus humboldtii (Colombian oak): Characterisation of wood phenolic composition with respect to traditional oak wood used in oenology [PDF]

open access: yesCiencia E Tecnica Vitivinicola, 2017
The use of new oak barrels and the demand for oak wood in oenology is increasing. Thus, it is necessary to search for new wood sources to supply the current demand in cooperage.
Maria del Alamo-Sanza   +2 more
exaly   +4 more sources

Estudio cariológico de Quercus humboldtti Bonpl Caryological study of Quercus humboldtii Bonpl

open access: yesAgronomía Colombiana, 1989
Se comprobó que la especie del roble Ouercus humboldtii Bonpl. tiene 2 n= 24 cromosomas, al igual que la mayoría de las especies estudiadas de Quercus.
Alvarado de Coral Cecilia   +1 more
doaj   +2 more sources

CARACTERÍSTICAS FLORÍSTICAS DE UN BOSQUE DE ROBLE (Quercus humboldtii) EN LA MESETA DE POPAYÁN (CAUCA) CARACTERÍSTICAS DE FLORÍSTICAS ONU BOSQUE DE ROBLE (Quercus humboldtii) EN LA MESETA DE POPAYÁN (CAUCA) FLORISTIC CHARACTERISTICS OF A OAK FOREST (Quercus humboldtii) ON THE PLATEAU OF POPAYÁN (CAUCA)

open access: yesBiotecnología en el Sector Agropecuario y Agroindustrial, 2012
Para estudiar las características florísticas de un bosque de roble (Quercus humboldtii), se estableció una parcela de 9600 m² dividida en 24 subparcelas de 20x20 metros, en las que se registró el nombre científico, diámetro a la altura del pecho (dap ...
ROMÁN OSPINA M, JUAN PABLO PAZ C
doaj   +2 more sources

The Geographic Distribution of a Tropical Montane Bird Is Limited by a Tree: Acorn Woodpeckers (Melanerpes formicivorus) and Colombian Oaks (Quercus humboldtii) in the Northern Andes

open access: yesPLoS ONE, 2015
Species distributions are limited by a complex array of abiotic and biotic factors. In general, abiotic (climatic) factors are thought to explain species' broad geographic distributions, while biotic factors regulate species' abundance patterns at local ...
Benjamin G. Freeman, Nicholas A Mason
exaly   +5 more sources

Mating patterns of a subdivided population of the andean oak (Quercus humboldtii Bonpl., Fagaceae). [PDF]

open access: yesJournal of Heredity, 2005
Mating patterns play a critical role in the maintenance of genetic variation. We analyzed the mating system in a recently fragmented population of the Andean oak (Quercus humboldtii) using four microsatellite loci. Five fragments in northeastern Colombia, South America, were selected consisting of 30.4 trees on average.
Victoria Sork
exaly   +3 more sources

Evaluación fitosanitaria de Juglans neotropica y Quercus humboldtii en arbolado urbano de Popayán-Cauca, Colombia

open access: yesRevista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales, 2022
Quercus humboldtii y Juglans neotropica son especies nativas de Colombia de gran importancia cultural y económica que se encuentran en los bosques urbanos de la ciudad de Popayán y están expuestos a plagas y enfermedades que afectan su salud.
Clara Inés Giraldo Aristizábal   +7 more
doaj   +3 more sources

Germinación de semillas de Quercus humboldtii Bonpl. (Fagaceae): especie vulnerable del bosque Altoandino

open access: yesRevista Mexicana de Ciencias Forestales, 2020
El roble colombiano (Quercus humboldtii) es una especie endémica, dominante y vulnerable de los bosques altoandinos. Su madera y fruto se han utilizado tradicionalmente en pequeña escala por las poblaciones rurales.
Enrique García Quevedo   +1 more
doaj   +3 more sources

Ectomycorrhizal fungal communities in natural and urban ecosystems: Quercus humboldtii as a study case in the tropical Andes

open access: yesMycorrhiza
AbstractWorldwide urban landscapes are expanding because of the growing human population. Urban ecosystems serve as habitats to highly diverse communities. However, studies focusing on the diversity and structure of ectomycorrhizal communities are uncommon in this habitat. In Colombia, Quercus humboldtii Bonpl.
Adriana Corrales   +1 more
exaly   +3 more sources

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