Browsing by Issue Date Artículos de revistas
Now showing items 21-40 of 216
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(2008)Antarctic beech forests (Nothofagus antarctica (G. Forst.) Oerst.) have shown a major decline process in the past few decades, together with an important lack of specific studies on this type of forest. The aim of this ...
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(UNIV BIO-BIO, WOOD ENGINEERING DEPT, 2008)Las placas de perforación son aberturas que se encuentran ubicadas en los extremos de los elementos vasos, permitiendo el paso de fl uidos de un vaso a otro en dirección longitudinal. Existen varios tipos de placas de ...
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(ELSEVIER SCIENCE BV, 2008-03-20)Fragmentation combined with habitat loss can affect population persistence mainly by isolating habitat fragments. However, this isolation depends, in part, on the species’ perception of the surrounding matrix compared to ...
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(COLEGIO DE POSTGRADUADOS, 2008-05)In Chile, the Australian weevil Gonipterus scutellatus Gyllenhal (Coleoptera: Curculionidae), specific to eucalyptus, was first detected in 1998. It has spread trough the IV to IX Regions and could affect more than 525 ...
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(ELSEVIER, 2008-05-30)This study evaluates the effect of silvicultural and exploitative interventions on soil organic carbon (SOC) in Chilean Lenga (Nothofagus pumilio (Poepp et Endl.) Krasser) forests in south Patagonia. We analyzed SOC and ...
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(2009)The Chilean palm, Jubaea chilensis (Front Cover), one of the most emblematic tree species of the Chilean flora, has suffered a gradual reduction of its population numbers in the last 150 years, with the estimated 120,000 ...
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(ELSEVIER, 2009)Weed control is essential for a successful establishment and growth of tree seedlings in former agricultural land. Weed control methods are effective but can be costly in terms of time, damage to nontarget vegetation, ...
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(Universidad de Chile - Facultad de Ciencias Forestales y Conservación de la Naturaleza - Departamento de Gestión Forestal y su Medio Ambiente, 2009-12)Este curso de Análisis Financiero de Empresas, Segunda Edición, tiene una orientación teórica y práctica. Por una parte, se trata de estudiar los aspectos fundamentales de la teoría de las finanzas corporativas, es decir, ...
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(2010)Se reporta una riqueza total de 602 taxones específicos e infraespecíficos para la localidad de Altos de Chicauma, ubicada en la cordillera de la Costa de la Región Metropolitana de Santiago, Chile (33º S), entre 500 y ...
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(2010)Nothofagus macrocarpa forests are situated in the northern limit of Nothofagus genus distribution in South America. Data related to their growth conditions are insufficient. Above-ground biomass accumulation and growth ...
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(ELSEVIER, 2010-10)Extracts of leaves of Schinus molle Rev L. (Anacardiaceae) obtained with water or ethanol as solvents were evaluated in the laboratory for their insecticidal effect on adults of the elm leaf beetle, Xanthogaleruca luteola ...
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(Pontificia Universidad Católica de Chile, 2011)Este artículo tiene como objetivo presentar el marco conceptual y metodológico en que se desarrollan las técnicas de modelos de distribución para especies y ecosistemas. Se hace una revisión ...
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(UNIV ZULIA, FACULTAD CIENCIAS VETERINARIAS, 2011-02)Hyperlipidemia is a metabolic disorder that is characterized by a fat concentration increase in blood serum and it is known to be common in dogs. However, there is no information about how this disorder behaves in different ...
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(PERGAMON-ELSEVIER SCIENCE LTD, 2011-04)Chile depends on foreign sources for energy. A solution for this problem is needed to guarantee stability and economic development. Public policies have been proposed involving diversification of the power matrix with an ...
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(2012)Al saturar la pared celular de la madera con anhídrido acético, se reemplazan los grupos hidroxilos libres de las macromoléculas celulosa y hemicelulosa. Con ello se logra rellenar los espacios moleculares con grupos ...
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(Taylor & Francis, 2012-06-20)Forest inventory data can be used along with remotely sensed data to estimate biomass and carbon stocks over large and inaccessible forested areas. In this study, the relationship between satellite-derived multispectral ...
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(Springer, 2013)The main objective of this study is to assess public economic preferences for biodiversity conservation and water supply and to analyse the factors influencing those preferences. A survey based on the choice experiment ...
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(2013)El riego ha sido frecuentemente considerado un paso necesario en la reforestación de áreas abiertas de ecosistemas semiáridos. Sin embargo, el éxito del riego ha sido evaluado principalmente usando plantas jóvenes, típicamente ...
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(Elsevier, 2013)Road traffic noise is one of the major environmental issues affecting city dwellers’ human health and well being in an urban environment. This study develops a method to assess measures to reduce traffic noise by modeling ...
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(Elsevier, 2013)Valuation of cultural ecosystem services (CES) remains one of the most difficult and least accomplished tasks in ecosystem services research. In this study the Contingent Valuation Method with the double bounded dichotomous ...