Results 31 to 40 of about 7,908 (224)

Semillas de montaña: recolección, usos y comercialización del piñón de la araucaria (Araucaria araucana) por comunidades Mapuche-Pewenche del sur de los Andes [PDF]

Pirineos: Revista de Ecología de Montaña, 2019
La araucaria (Araucaria araucana), o pewen en lengua mapuche, es un árbol nativo de Chile y Argentina con fuerte importancia cultural para las comunidades mapuche-pewenche del sur de los Andes.
Josefina Cortés, Isabel Ugalde, Julián Caviedes, José Tomás Ibarra   +3 more
doaj   +3 more sources

Intraspecific variation in masting across climate gradients is inconsistent with the environmental stress hypothesis. [PDF]

Ecology
Abstract Year‐to‐year variation in seed crop size (i.e., masting) varies strongly among populations of the same species. Understanding what causes this variation is vital, as masting affects the ability of tree species to regenerate and determines the population dynamics of a wide variety of animals.
Foest JJ, Caignard T, Pearse IS, Bogdziewicz M, Hacket-Pain A.   +4 more
europepmc   +2 more sources

Actividad promotora del crecimiento vegetal de cuatro hongos endófitos aislados desde Araucaria araucana

Siembra
Los hongos endófitos [HE] son microorganismos que viven dentro de las plantas sin causar daño aparente, y colaboran en la síntesis de sustancias reguladoras del crecimiento, fijación de nitrógeno, protección contra patógenos, entre otros beneficios para
Carolina Díaz-Valenzuela, Christian Deramond-Galvez, Ángela Machuca, Daniel Chávez   +3 more
doaj   +2 more sources

Applying Genomic Offsets to Breeding Programmes: Bridging Evolutionary Insights With Practical Applications. [PDF]

Evol Appl
ABSTRACT As global temperatures rise and become more variable, the capacity of domestic species to adapt, while maintaining production efficiency, is becoming a pressing concern. In this context, genotype‐by‐environment (GxE) interactions pose a significant challenge for selective breeding, as traits that perform well in one environment may not in ...
Beck SV, May SA, Kess T, Bradbury IR, Lozada-Soto EA, Wellenreuther M.   +5 more
europepmc   +2 more sources

Beneficial Effects of a Root-Endophytic Bacterium with Quorum-Sensing Traits on Growth and Drought Tolerance in the Vulnerable Conifer Araucaria araucana

Plants
Climate change-induced drought threatens the persistence of Araucaria araucana, an endangered and endemic conifer of the Southern Andes. Beneficial plant–microbe interactions may contribute to drought resilience.
Javier Ortiz, Nicolás Bustamante Herrera, Nathalia Baptista Dias, Catalina Vidal, Antonieta Ruiz, Omar Lora Peña, Bibiana Monson de Souza, Mario Sergio Palma, María de la Luz Mora, César Arriagada-Escamilla, Javiera Soto   +10 more
doaj   +2 more sources

Stand structure and regeneration of harvestedAraucaria araucana–Nothofagusstands in central Chile [PDF]

Southern Forests: a Journal of Forest Science, 2014
In this study we examined the current structure and regeneration status of mixed Araucaria araucana–Nothofagus spp. stands that had been logged 20 years ago. We measured stand density of saplings, juvenile and adult trees, as well as stand basal area of A. araucana and Nothofagus spp.
Navarro-Cerrillo, Rafael M, Olave, Fernando, Moreno, Francisco, de Miguel, Sergio, Clemente, Margarita   +4 more
openaire   +4 more sources

Espinas negras: el sufrimiento de la araucaria araucana [PDF]

La tesis aborda el problema de la conservación de la Araucaria araucana en Chile desde la mirada de las políticas de conservación del medio ambiente.Versión original del ...
Ketterer Araya, Catalina
openaire   +3 more sources

Simposio Migración asistida de Araucaria araucana: Causas, acciones y perspectivas futuras. [PDF]

Ciencia & Investigación Forestal
En 2019 INFOR inició un programa sobre migración asistida de Araucaria araucana. Este programa ha instalado 54 ha de ensayos de procedencia y progenies, dentro y fuera de las áreas de distribución natural de la especie entre las regiones del Biobío y ...
Roberto Ipinza carmona, Santiago Barros Asenjo   +1 more
semanticscholar   +3 more sources

Fragmentation of Araucaria araucana forests in Chile: quantification and correlation with structural variables [PDF]

iForest - Biogeosciences and Forestry, 2016
Landscape fragmentation is one of the main threats to South American temperate forests due to population growth, conversion of native forests to plantations of exotic species and non-sustainable timber harvesting.
Molina Juan R, Martín, Drake F, Martín Luis M, Herrera Miguel   +4 more
doaj   +2 more sources

Secondary metabolites from Araucaria araucana (Molina) K.Koch leaves [PDF]

The first phytochemical analysis concerning the non-volatile secondary components of one European specimen of Araucaria araucana (Molina) K.Koch led to the identification of five compounds: sandaracopimaric acid (1), ladanein (2), shikimic acid (3), 4-O-coumaroyl-quinic acid (4) and 5-O-coumaroyl-quinic acid (5).
Claudio Frezza, Daniela De Vita, Laura Fonti, Ottavia Giampaoli, Ilaria Serafini, Fabio Sciubba, Claudio Scintu, Fabio Attorre   +7 more
openaire   +2 more sources