Results 31 to 40 of about 1,148 (159)

Genetic variation in Nothofagus (subgenus Nothofagus) [PDF]

open access: yes, 2012
El subgénero Nothofagus consiste de cinco especies leñosas que están presentes en diversas asociaciones forestales de los bosques templados de Argentina y Chile. Dadas las variaciones del medio físico se esperan variaciones intraespecíficas estructurales
Acosta, María Cristina   +3 more
core   +1 more source

Structural and Biometric Characterization ofNothofagus betuloidesProduction Forests in the Magellan Region, Chile

open access: yesJournal of Sustainable Forestry, 2007
Summary This study, in die Chilean Magellan Region, undertook the structural and biometrie characterization of Nothofagus betuloides (Mirb.) Blume (coihue de Magallanes) production forests to provide information for sustainable forest management. Six locations were surveyed, five on the continent and one on Tierra del Fuego Island.
Madariaga, Gustavo Cruz   +3 more
openaire   +4 more sources

First data about the use of wooden resources during the early holocene in the Beagle Channel estudio arqueobotánico del sitio Imiwaia I (Tierra del Fuego, Argentina) [PDF]

open access: yes, 2017
Este trabajo tiene por objetivo estudiar el uso de los recursos vegetales leñosos llevado a cabo por sociedades cazadoras-recolectoras que habitaron el sitio Imiwaia I (costa norte del canal Beagle) durante el Holoceno temprano. Los resultados alcanzados
Caruso Fermé, Laura   +2 more
core   +1 more source

Hydrological controls on nutrient exportation from old-growth evergreen rainforests and Eucalyptus nitens plantation in headwater catchments at Southern Chile [PDF]

open access: yes, 2015
Soil cover disturbances have a direct effect on biogeochemistry, potentially enhancing nutrient loss, land degradation and associated changes in ecosystem services and livelihood support.
Boeckx, Pascal   +4 more
core   +1 more source

Efecto del vaporizado inicial en el secado artificial de madera de coigüe de Magallanes (Nothofagus betuloides)* [PDF]

open access: yesBosque (Valdivia), 2005
El trabajo consistio basicamente en someter madera aserrada de Nothofagus betuloides (Mirb.) Oerst. a tres distintos niveles de vaporizado inicial (4, 8 y 10 horas, respectivamente) y a un posterior proceso de secado artificial convencional unico. Se evaluo el efecto del vaporizado inicial sobre la calidad de la madera obtenida y el tiempo de secado ...
JUACIDA P, ROBERTO   +2 more
openaire   +2 more sources

Diet breadth and its relationship with genetic diversity and differentiation: the case of southern beech aphids (Hemiptera : Aphididae) [PDF]

open access: yes, 2004
Gaete-Eastman, C. and Ramirez, C.C. Centro de Investigación en Biotecnologia Silvoagrıcola, Instituto de Biología Vegetal y Biotecnología, Universidad de Talca, Casilla 747, Talca, Chile.Herbivorous insect species with narrow diet breadth are expected to
Al-Aboodi   +16 more
core   +1 more source

The influence of canopy-layer composition on understory plant diversity in southern temperate forests

open access: yesForest Ecosystems, 2017
Background Understory plants represents the largest component of biodiversity in most forest ecosystems and plays a key role in forest functioning. Despite their importance, the influence of overstory-layer composition on understory plant diversity is ...
Luciana Mestre   +5 more
doaj   +1 more source

Habitat distribution modeling reveals vegetation flammability and land use as drivers of wildfire in SW Patagonia [PDF]

open access: yes, 2013
Despite important recent advances in modeling current and future global fire activity in relation to biophysical predictors there remain important uncertainties about finer-scale spatial heterogeneity of fire and especially about human influences which ...
Holz, Andrés   +3 more
core   +2 more sources

Influence of gibberellic acid and potassium nitrate on seed germination of Nothofagus betuloides (Mirb.) Oerst.

open access: yesForest Systems, 1994
N. betuloides (Fagaceae) is an economically important tree species from Fuegian forest (Argentina). The present work was carried out aiming to study the effects of gibberellic acid and potassium nitrate on the release of dormacy, and the presence of differences in germination of 2-winged and 3-winged.
C. Martinez Pastur   +2 more
openaire   +3 more sources

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