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Mostrando publicaciones 1-20 de 34
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Assessing wood properties on hybrid poplars using rapid phenotyping tools
Yáñez, Marco; Zamudio, Francisco; Espinoza-Meza, Sergio; Ponce, Mauricio; Gajardo, John; Espinosa, Cristian (2021)There is a growing interest in improving wood properties through clonal selection. However, traditional methods for determining wood properties are difficult to implement at the scale required for large-scale selection ...
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Balance energético en el primer ciclo de corta de tres especies de eucalipto con diferentes niveles de manejo en el secano mediterráneo de Chile central
Cabrera-Ariza, Antonio; Santelices-Moya, Rómulo; Espinoza-Meza, Sergio; Magni, Carlos (2019)El Secano Mediterráneo de Chile central es una zona afectada por altas tasas de erosión y un clima muy fluctuante, con largos períodos de bajas precipitaciones, los que limita su productividad. Una alternativa para esta ...
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Biomass production and carbon balance of a short rotation forestry of Populus deltoides (clone Lux) under two different cutting cycles
Santelices-Moya, Rómulo; Espinoza-Meza, Sergio; Cabrera-Ariza, Antonio; Tozzini, Cristiano; Meza, Fernando (2016)Las emisiones de gases de efecto invernadero contribuyen al calentamiento global. En esta situación, las energías renovables como la solar, eólica, hidroeléctrica y biomasa, aparecen como una alternativa para reducir estas ...
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Características del bosque asociadas a la ocurrencia del pulmonado endémico Macrocyclis peruvianus (caracol negro) en la Región del Maule, Chile central
Gómez, Persy; Espinoza-Meza, Sergio; Hahn, Steffen; Valenzuela, Miguel; Ormazábal, Yony (2020)En muchos moluscos terrestres las relaciones entre su abundancia y las características de sus hábitats aún son poco conocidas. En este trabajo, se estudian las relaciones entre el tipo de vegetación y condiciones del ...
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Cálculo del balance energético de una plantación de Populus deltoides clon Lux con fines energéticos en un sitio con ambiente mediterráneo
Cabrera-Ariza, Antonio; Tozzini, Cristiano; Espinoza-Meza, Sergio; Santelices-Moya, Rómulo; Bonari, Enrico (2014)Ante el desafío energético al cual se enfrenta el mundo en general, y Chile no es una excepción, los cultivos forestales con destinación energética se han ido posicionando como una alternativa viable para la diversificación ...
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Changes in drought tolerance of Pinus radiata in Chile associated with provenance and breeding generation
Espinoza-Meza, Sergio; Magni, Carlos R.; Santelices-Moya, Rómulo; Ivković, Miloš; Cabrera-Ariza, Antonio (2016)Key messageIn Chile, breeding radiata pine for growth has led to drifts in the degree of drought tolerance of the seedlings. Interior provenances gained a larger tolerance to drought after three breeding generations as ...
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Comparison of the absolute and relative difference spectral indices to estimate burn severity: the case of endangered nothofagus alessandrii (ruil)
Gajardo, John; Espinoza-Meza, Sergio; Yáñez, Marco; Carrasco-Benavides, Marcos ; Ormazábal, Yony; Mena, Carlos; Gómez, Persy; Garrido, Pedro (2022)Accurate information is needed about burn severity caused by fires to design strategies for ecosystem recovery. The Mediterranean zone of Chile holds a high level of plant endemism. In summer 2017, nearly half a million ...
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Differential adaptations in nursery seedlings from diverse Chilean provenances of Peumus boldus Mol.
Espinoza-Meza, Sergio; Santelices-Moya, Rómulo; Cabrera-Ariza, Antonio; Magni, Carlos R.; Garrido, Emilio F. (2016)Seed germination, seedling growth and biomass allocation of the endemic species Peumus boldus Mol. (Boldo) were studied in four provenances (two northern and two southern provenances) from central Chile. Seeds collected ...
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Effect of crop management intensity on energy and carbon dioxide balance of two bioenergy Sorghum bicolor hybrids
Cabrera-Ariza, Antonio; Tozzini, Cristiano; Espinoza-Meza, Sergio; Santelices-Moya, Rómulo; Magni, Carlos; Alonso-Valdés, Máximo F. (2019)Although bioenergy sorghum has many traits that make it ideal for biofuel production, management conditions that can affect the productivity and sustainability of these systems are still poorly understood. This paper ...
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Effect of four levels of shade on survival, morphology and chlorophyll fluorescence of Nothofagus alessandrii container-grown seedlings
Santelices-Moya, Rómulo; Espinoza-Meza, Sergio; Cabrera-Ariza, Antonio (2015)Nothofagus alessandrii (ruil) is a threatened, endemic tree of the Mediterranean zone of Chile. As a result of past anthropogenic activities, its current cover has been reduced to only 314 hectares across several fragmented ...
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Effect of pre-germinative treatments on Nothofagus glauca seed germination and seedling growth
Cabello Lechuga, Angel; Espinoza, Nicolás; Espinoza-Meza, Sergio; Cabrera-Ariza, Antonio; Santelices-Moya, Rómulo (2019)Background: Nothofagus glauca (Phil.) Krasser (Nothofagaceae, “Hualo”) is an endemic tree of the Mediterranean zone of Chile. The natural forests in this area have been severely fragmented as a result of human causes such ...
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Effect of shading and fertilisation on the development of container-grown Nothofagus glauca seedlings, a threatened species from central Chile
Santelices-Moya, Rómulo; Espinoza-Meza, Sergio; Cabrera-Ariza, Antonio; Peña-Rojas, Karen; Donoso, Sergio R. (2013)Nothofagus glauca is an endemic tree of the Mediterranean zone of Chile and is a threatened species. Currently, available information for the propagation and nursery cultivation of this species is conspicuously lacking. ...
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Effect of the geographical origin, culture media, and pH on the growth dynamic of the edible ectomycohrrizal mushroom Suillus luteus
Santelices-Moya, Rómulo; Espinoza-Meza, Sergio; Brunel, Nidia; Palfner, Götz (2012)Suillus luteus es la especie silvestre de hongo micorrícico comestible más cosechada en Chile, que tiene una importancia económica y silvícola. Es una especie silvestre introducida, que se asocia con Pinus radiata, la ...
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Effects of different irrigation levels on plant water status, yield, fruit quality, and water productivity in a drip-irrigated blueberry orchard under Mediterranean conditions
Ortega-Farías, Samuel; Espinoza-Meza, Sergio; López-Olivari, Rafael; Araya-Alman, Miguel; Carrasco-Benavides, Marcos (2021)As blueberries are susceptible to water stress and their future cultivation in semiarid Mediterranean areas will be challenged by drought, irrigation management strategies will be needed to optimize water productivity and ...
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Effects of four irrigation regimes on yield, fruit quality, plant water status, and water productivity in a furrow-irrigated red raspberry orchard
Ortega-Farias, Samuel; Espinoza-Meza, Sergio; Lopez-Olivari, Rafael; Araya-Alman, Miguel; Carrasco-Benavides, Marcos (2022)Due to drought intensification in Mediterranean-type climates, raspberry growers need to implement irrigation scheduling to save water without decreases in yield and fruit quality. A study was performed to evaluate ...
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Effects of regulated post-harvest irrigation strategies on yield, fruit quality and water productivity in a drip-irrigated cherry orchard
Carrasco-Benavides, Marcos ; Espinoza-Meza, Sergio; Olguín-Cáceres, Jeissy; Muñoz-Concha, Diego; von Bennewitz, Eduardo ; Ávila Sánchez, Carlos; Ortega-Farías, Samuel (2020)We evaluated the effects of different post-harvest irrigation strategies on yield, fruit quality and quantity, and water productivity (WP) of sweet cherry trees, over a two-growing season experiment. The fruits were evaluated ...
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Effects of shading and slow release fertilizer on early growth of Nothofagus leonii seedlings from its northernmost distribution in Central Chile
Santelices-Moya, Rómulo; Espinoza-Meza, Sergio; Cabrera-Ariza, Antonio (2015)Nothofagus leonii (huala) es una especie endémica de la zona mediterránea de Chile de la cual aún existe insuficiente información sobre el cultivo de plantas en vivero. En el presente estudio se analizó el efecto de la ...
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Evaluation of a virtual learning environment in the development of winemaking competences by trainees
This paper is a case study that describes and evaluates a virtual learning environment (VLE) with seasonal inexperienced workers (trainees). The VLE contains 3D and 2D scenarios of a modern winery that animates and simulates ...
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Evaluation of an experimental virtual learning environment of winemaking for middle school and college students in Chile
BITWINE es un ambiente virtual de aprendizaje (AVA) cuyo propósito fue desarrollar competencias laborales para la industria del vino, basándose en los estándares chilenos de competencias laborales. El presente artículo ...
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Existence of solutions for an optimal control problem in forestry management
Altamirano-Fernández, Alex; Rojas-Palma, Alejandro; Espinoza-Meza, Sergio (2023)Physical, biological, and economic factors remain inexhaustible sources when determining silvicultural management strategies that maximize the net benefit of timber volume. The objective of this paper is to formulate an ...