Male reproductive structures of Araucaria araucana and Wollemia nobilis (Araucariaceae, Coniferales) in light of conifer evolution [PDF]
Feddes Repertorium, Volume 135, Issue 4, Page 305-324, December 2024.Pollen cones of Araucaria araucana and Wollemia nobilis were investigated. They consist of hundreds of hyposporangiate microsporangiophores with numerous microsporangia, arranged in up to three abaxial rows.
Veit Martin Dörken
semanticscholar +3 more sources
No carbon shortage in declining trees of the isohydric species Araucaria araucana (Molina) K. Koch under drought [PDF]
Annals of Forest Science, 2022 Key message At the sixth and seventh years of a drought event in south of Chile, non-structural carbohydrate (NSC) concentrations were similar between healthy and unhealthy trees of Araucaria araucana (Molina) K.
Mylthon Jiménez‐Castillo +4 more
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Sustainable and efficient protocols for in vitro germination and antioxidants production from seeds of the endangered species Araucaria araucana [PDF]
Journal of Genetic Engineering and Biotechnology, 2021 Background The Pehuén or Monkey puzzle tree (Araucaria araucana) is an evergreen coniferous tree, which has been historically used for social, medicinal, and nutritional purposes. We have recently showed the value of A. araucana seeds as a rich source of
María C. Gallia +2 more
doaj +2 more sources
Novel food resources and conservation of ecological interactions between the Andean Araucaria and the Austral parakeet [PDF]
Ecology and Evolution, 2022 In fragile ecosystems, the introduction of exotic species could alter some ecological processes. The Austral parakeet (Enicognathus ferrugineous) shows close ecological and evolutionary relationships with the Andean Araucaria (Araucaria araucana), so any
Guillermo Blanco +3 more
doaj +2 more sources
Induction of Somatic Embryogenesis in Araucaria araucana (Molina) K. Koch: Considerations for Ex Situ Conservation of Ancient Tree in Chile [PDF]
ForestsAraucaria araucana is an emblematic native conifer from Chile and Argentina that has been classified as threatened due to anthropogenic activities. Somatic embryogenesis (SE) is a biotechnological tool used for both the preservation of genetic material ...
Daniela Riffo-Agurto +12 more
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An ecophysiographic approach for Araucaria araucana regeneration management [PDF]
Ciencia e investigación agraria, 2012 Chilean temperate forests are dominated by Nothofagus and Araucaria araucana species. Despite A. araucana not being at imminent risk of extinction, its cultural value and the associated environmental services and landscape goods have an important role
Drake Aranda, Fernando +2 more
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Post-fire response of Araucaria araucana (Molina) K. Koch: Assessment of vegetative resprouting, seed production and germination [PDF]
Gayana: Botanica, 2019 Se evaluó la respuesta inicial post-fuego de Araucaria araucana en la Reserva Nacional China Muerta, (centro-sur de Chile 38°S, 71°W) después de un incendio ocurrido en marzo de 2015.
Andrés Fuentes-Ramírez +3 more
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Araucaria Araucana, DESCRIPCION ANATOMICA
Bosque, 1984 Araucaria. Araucaria araucana (Mol.) Koch. ARAUCARIACEAE Nombres Comunes: Araucana, Pino Araucaria, Pino Piñonero, Pehuen.DISTRIBUCION: La Araucaria se distribuye en la Cordillera de los Andes entre los paralelos 37° 40' y los 40° 30' de latitud sur y en la Cordillera de Nahuelbuta entre los paralelos 37° 30' y 38° 40' latitud sur.
J.E. Diaz-Vaz O.
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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 +4 more
doaj +4 more sources
Altered fire regimes modify lizard communities in globally endangered Araucaria forests of the southern Andes [PDF]
Scientific Reports, 2021 Wildfire regimes are being altered in ecosystems worldwide. The density of reptiles responds to fires and changes to habitat structure. Some of the most vulnerable ecosystems to human-increased fire frequency are old-growth Araucaria araucana forests of ...
José Infante +5 more
doaj +2 more sources