Results 91 to 100 of about 2,991 (180)

Predation by Rattus norvegicus on a native small mammal in an Araucaria araucana forest of Neuquén, Argentina La depredación en pequeños mamíferos nativos por Rattus norvegicus en un bosque de Araucaria araucana en Neuquén, Argentina

open access: yesRevista Chilena de Historia Natural, 2012
Few previous studies document Rattus predation as a mechanism of impact on native small mammals. In a mixed Araucaria araucana (Molina) Koch -Nothofagus forest in Parque Nacional Lanín in southwestern Neuquén Province, Argentina, we discovered the ...
JOHN D SHEPHERD, REBECCA S DITGEN
doaj  

Impacts of fire severity and cattle grazing on early plant dynamics in old-growth Araucaria-Nothofagus forests

open access: yesForest Ecosystems, 2019
Background Fire has historically shaped the dynamics of Araucaria araucana-Nothofagus pumilio forests in the Andean region of South America. Nevertheless, human disturbances and stronger drought events have resulted in increased occurrence and severity ...
Paola Arroyo-Vargas   +3 more
doaj   +1 more source

Growth inhibition of an Araucaria angustifolia (Coniferopsida) fungal seed pathogen, Neofusicoccum parvum, by soil streptomycetes [PDF]

open access: yes, 2013
Background: Araucariaceae are important forest trees of the southern hemisphere. Life expectancy of their seedlings can largely be reduced by fungal infections.
Astarita, L   +6 more
core   +1 more source

Commodity risk assessment of Betula pendula and Betula pubescens plants from the UK

open access: yesEFSA Journal, Volume 22, Issue 11, November 2024.
Abstract The European Commission requested the EFSA Panel on Plant Health to prepare and deliver risk assessments for commodities listed in Commission Implementing Regulation (EU) 2018/2019 as ‘High risk plants, plant products and other objects’. This Scientific Opinion covers plant health risks posed by plants of Betula pendula and B.
EFSA Panel on Plant Health (PLH)   +32 more
wiley   +1 more source

The Unity as a Component of Independence: Antecedents of Latin American Integration in Santiago de Chile (1810-1813) [PDF]

open access: yes, 2015
En el presente artículo analizamos los primeros escritos independentistas difundidos en Santiago de Chile entre 1810 y 1813 desde la perspectiva de su aporte a la creación de las bases ideológicas que facilitarán la participación del país en posteriores ...
Reza, Germán A. de la
core  

Síntesis de nuevos dímeros de diterpenos utilizando diferentes espaciadores a partir de un precursor obtenido de la resina de Araucaria araucana [PDF]

open access: yes, 2012
44 p.La investigación que se expone en este trabajo tuvo como objetivo la síntesis de nuevos compuestos que sirvan para determinar relaciones estructura-actividad en diterpenos de la serie del labdano.
Bastías Rodríguez, Matias   +1 more
core  

RESISTENCIA TERMITICA DE LA MADERA A POROTERMES QUADRICOLLIS (RAMBUR), TERMITA DE LA MADERA HUMEDA (ISOPTERA, TERMOPSIDAE) WOOD RESISTENCE TO POROTERMES QUADRICOLLIS (RAMBUR), THE WET WOOD TERMITE (ISOPTERA, TERMOPSIDAE)

open access: yesGayana, 2009
Se uso distintas técnicas - incluyendo las pruebas de Schmidt de virutas; de Wolcott modificada; de preferencia; Standard de arena, Cajas Skaife; y de inanición - para evaluar la resistencia termítica a Porotermes quadricollis (Rambur) de distintas ...
Jorge N Artigas, Leonor Villán
doaj  

Aboveground nutrient cycling in temperate forest ecosystems of southern Chile [PDF]

open access: yes, 2009
Forest ecosystems have important ecological, economic, and social values, but are subject to varying ecosystem pressures, including enhanced atmospheric nitrogen deposition.
Almonacid, Leonardo   +4 more
core   +1 more source

Factores que inciden en la germinación de Araucaria araucana (Araucariaceae) del bosque xérico

open access: yesRevista de la Facultad de Ciencias Agrarias, 2015
Araucaria araucana es una conífera dioica endémica de la Patagonia de Argentina y Chile. Los árboles femeninos producen semillas grandes que son dispersadas desde febrero a mayo.
María Andrea Duplancic   +4 more
doaj  

Comparación de fórmulas chilenas e internacionales para valorar el arbolado urbano [PDF]

open access: yes, 2012
Ponce-Donoso, M (reprint author), Univ Talca, Fac Ciencias Forestales, Casilla 747, Talca, Chile.The appraisal of urban trees is a practice adopted in diverse cities of world.
Daniluk-Mosquera, G.   +2 more
core   +1 more source

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