Results 131 to 140 of about 10,142 (251)

Ensayos de crecimiento y actividad enzimática de cepas de gírgolas (Pleurotus ostreatus) de Patagonia [PDF]

, 2013
En el presente estudio se realizaron ensayos de crecimiento in vitro de cepas autóctonas del hongo comestible Pleurotus ostreatus en placas a diferentes temperaturas, y ensayos cualitativos de la enzima ligninolítica lacasa, usando DMP como sustrato ...
Lechner, Bernardo Ernesto, Rajchenberg, Mario, Rugolo, Maximiliano   +2 more
core   +1 more source

Gastroprotective Effect and Cytotoxicity of Natural and Semisynthetic Labdane Diterpenes from Araucaria araucana Resin [PDF]

, 2005
Guillermo Schmeda‐Hirschmann, Luís Astudillo, Beatriz Sepúlveda, Jaime Rodrı́guez, Cristina Theoduloz, Tania Yáñez, J. Antonio Palenzuela   +6 more
openalex   +1 more source

CHEMICAL CHARACTERIZATION OF LIGNANS FROM Araucaria araucana A NATIVE CONIFER OF CHILE AND EVALUATION OF THEIR CYTOTOXICITY AND ANTIOXIDANT ACTIVITIES [PDF]

, 2020
Gastón Bravo‐Arrepol, Solange Torres, Fabián Figueroa, Claudia Pérez, Cristian Paz, Giovanni Turchetti, Antonio Tiezzi, José Becerra   +7 more
openalex   +1 more source

Transformación de los agroecosistemas y degradación de los recursos naturales en el territorio mapuche: una aproximación históricoecológica [PDF]

, 2011
El presente artículo expone la tensión existente entre las diversas hipótesis explicativas del proceso de degradación de los recursos naturales del territorio mapuche de Chile.

core  

Araucaria araucana and the Austral parakeet: pre-dispersal seed predation on a masting species El pehuén y la cachaña: depredación predispersión de una especie "masting"

Revista Chilena de Historia Natural, 2008
Pre-dispersal seed predation by Austral parakeets, Enicognathus ferrugineus, on pehuén, Araucaria araucana, was studied to assess the relationship between predation and seed production. We collected falling seeds in four araucaria forests of southwestern
JOHN D SHEPHERD, REBECCA S DITGEN, JAVIER SANGUINETTI   +2 more
doaj  

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

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   +1 more source

Chercán de las vegas, Cistothorus platensis [PDF]

, 2018
Acerca de la historia de vida, y particularmente de la nidificación y biología reproductiva de Cistothorus platensis.Fil: Zarco, Agustín. Consejo Nacional de Investigaciones Científicas y Técnicas.
Llambias, Paulo, Zarco, Agustín
core  

Ecology of bryophytes along altitudinal and latitudinal gradients in Chile [PDF]

, 2002
The bryophyte vegetation in twenty-eight hectare plots in forests of S-Chile between 38° and 42°S and sea level and the forest line has been studied. Since bryophytes are fully dependend on atmospheric water and nutrient supply, they are good indicators ...
Frahm, Jan-Peter
core  

Efectos de la aplicación de cortas selectivas en bosques de Araucaria Araucana (Mol.) K. Koch ubicados en la región de la Araucanía en Chile [PDF]

, 2013
Fernando Olave Ortíz
openalex   +1 more source

Sex-dependent resilience to extreme drought events: implications for climate change adaptation of a South American endangered tree species

Ecological Processes
Background Recent changes in climatic trends are resulting in an increased frequency and intensity of extreme events, with unknown effect on ecosystem dynamics in the near future.
Sergio Piraino, Martín Ariel Hadad, Yanina Antonia Ribas‑Fernández, Fidel Alejandro Roig   +3 more
doaj   +1 more source