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Mostrando ítems 21-40 de 57
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Flowering and seeding patterns in primary, secondary and silvopastoral managed Nothofagus antarctica forests in South Patagonia
Soler Esteban, Rosina Matilde; Martínez Pastur, Guillermo José; Lencinas, María Vanessa; Peri, Pablo Luis (Taylor & Francis, 2010-06-11)The success ofthe reproductive process in trees depends on abiotic and biotic factors that determine the final outcome of natural regeneration. Silviculture alters biotic and abiotic factors and results in secondary forest ... -
Forest carbon management strategies influence storage compartmentalization in Nothofagus antarctica forest landscapes
Aravena Acuña, Marie Claire; Chaves, Jimena Elizabeth; Rodríguez‑Souilla, Julián; Cellini, Juan Manuel; Peña-Rojas, Karen A.; Lencinas, María Vanessa; Peri, Pablo Luis; Martínez Pastur, Guillermo José (Canadian Science Publishing, 2023-10)Silvopastoral systems are one of the strategies proposed to manage natural forests in southern Patagonia for livestock and timber purposes. In the context of climate change, it is necessary to design new management proposals ... -
Improving the knowledge of plant potential biodiversity-ecosystem services links using maps at the regional level in Southern Patagonia.
Rosas, Yamina Micaela; Peri, Pablo Luis; Lencinas, María Vanessa; Lasagno, Romina Gisele; Martínez Pastur, Guillermo José (Springer, 2021-07-22)Background: Biodiversity supports multiple ecosystem services, whereas species loss endangers the provision of many services and affects ecosystem resilience and resistance capacity. The increase of remote sensing techniques ... -
Influencia de factores bióticos y abióticos en el crecimiento de la regeneración pre- y post-cosecha en un bosque de Nothofagus pumilio
Martínez Pastur, Guillermo José; Cellini, Juan Manuel; Barrera, Marcelo Daniel; Lencinas, María Vanessa; Soler Esteban, Rosina Matilde; Peri, Pablo Luis (2017)Para definir nuevas prácticas silvícolas es necesario conocer los procesos ecosistémicos involucrados y los impactos que generan. Las propuestas implementadas generaron diversos interrogantes relacionados al dosel remanente, ... -
Investigación socio-ecológica a largo plazo en la Patagonia Austral: Estrategias interdisciplinarias para lograr la conservación de los recursos naturales a través de un manejo sustentable bajo escenarios de cambio global
Martínez Pastur, Guillermo José; Peri, Pablo Luis; Lencinas, María Vanessa; Soler Esteban, Rosina Matilde; Bahamonde, Héctor Alejandro; Valenzuela, Alejandro E.J.; Cabello, José Luis; Anderson, Christopher B. (2016-04)Las dimensiones ecológicas, sociales, institucionales y políticas de los problemas ambientales abarcan escalas espaciales y temporales que exceden a la mayoría de las investigaciones científicas. Una alternativa que crece ... -
Knowledge arising from long-term research of variable retention harvesting in Tierra del Fuego: where do we go from here?
Martínez Pastur, Guillermo José; Rosas, Yamina Micaela; Toro Manríquez, Mónica D.R.; Huertas Herrera, Alejandro; Miller, Juan A.; Cellini, Juan Manuel; Barrera, Marcelo Daniel; Peri, Pablo Luis; Lencinas, María Vanessa (Springer Open, 2019-07)Nothofagus pumilio forests in Tierra del Fuego are the southernmost forests in the world, where extreme climate conditions represent a challenge to attain sustainable forest management. Retention forestry was proposed as ... -
Land sharing in South Patagonia: Conservation of above-ground beetle diversity in forests and non-forest ecosystems
Lencinas, María Vanessa; Sola, Francisco Javier; Cellini, Juan Manuel; Peri, Pablo Luis; Martínez Pastur, Guillermo José (Elsevier, 2019-11)Land-sharing strategies, as variable retention silvicultural proposals, are useful to mitigate harmful effects of economic activities on forest biodiversity; benefits have been reported worldwide for several organisms. ... -
Landscape variables influence over active restoration strategies of Nothofagus forests degraded by invasive Castor canadensis in Tierra del Fuego
Martinez Pastur, Guillermo José; Cellini, Juan Manuel; Lencinas, María Vanessa; Rosas, Yamina Micaela; Henn, Jonathan J.; Peri, Pablo Luis (MDPI, 2021-07-06)North American beavers (Castor canadensis) are responsible for the major changes in the Tierra del Fuego Archipelago, altering riparian forests for the long-term. Passive restoration of the areas affected was ineffective ... -
Linking potential biodiversity and three ecosystem services in silvopastoral managed forest landscapes of Tierra del Fuego, Argentina
Martínez Pastur, Guillermo José; Peri, Pablo Luis; Huertas Herrera, Alejandro; Schindler, Stefan; Díaz Delgado, Ricardo; Lencinas, María Vanessa; Soler Esteban, Rosina Matilde (Taylor & Francis, 2017-04)Several studies confirm that biodiversity loss endangers ecosystem services (ES) supply and human well-being. A better understanding of biodiversity–ES relationships and effects of biodiversity loss on ES supply is needed. ... -
Long-term monitoring of thinning for silvopastoral purposes in Nothofagus antarctica forests of Tierra del Fuego, Argentina
Martínez Pastur, Guillermo José; Soler Esteban, Rosina Matilde; Lencinas, María Vanessa; Cellini, Juan Manuel; Peri, Pablo Luis (Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria, España, 2018)Aim of the study: To analyse the effectiveness of thinning on tree growth, forest structure and microclimatic variables along seven years after cuttings in a secondary Nothofagus antarctica forest in Southern Patagonia. Area ... -
Masting has different effects on seed predation by insects and birds in antarctic beech forests with no influence of forest management
Soler Esteban, Rosina Matilde; Espelta, Josep Maria; Lencinas, María Vanessa; Peri, Pablo Luis; Martínez Pastur, Guillermo José (2017-09-15)Mast seeding is characteristic of many long-lived tree species and widely proposed as a mechanism to reduce seed predation. However, whether the efficiency of this reproductive response may vary depending on type of seed ... -
Microclimatic conditions restrict the radial growth of Nothofagus antarctica regeneration based on the type of forest environment in Tierra del Fuego
Martínez Pastur, Guillermo José; Rodríguez‑Souilla, Julián; Lencinas, María Vanessa; Cellini, Juan Manuel; Chaves, Jimena Elizabeth; Aravena Acuña, Marie Claire; Peri, Pablo Luis; Roig Junent, Fidel Alejandro (MDPI, 2023-05-27)Regeneration is crucial for forest continuity in natural and managed stands. Analyzing intra-annual dynamics can improve the understanding between growth and climate, identifying regeneration survival thresholds. The ... -
Mistletoes and epiphytic lichens contribute to litter input in Nothofagus antarctica forests
Soler Esteban, Rosina Matilde; Martínez Pastur, Guillermo José; Lencinas, María Vanessa; Peri, Pablo Luis (Elsevier, 2015-10)Litter input is one of the key components that define nutrient cycling in forests and the majority of studies only consider the tree components of litterfall. However, epiphytic species can play a crucial role in litter ... -
Multi-taxon biodiversity assessment of Southern Patagonia: Supporting conservation strategies at different landscapes.
Rosas, Yamina Micaela; Peri, Pablo Luis; Lencinas, María Vanessa; Lizarraga, Leonidas; Martinez Pastur, Guillermo José (Elsevier, 2022-04-01)In the last years, different spatial analyses were developed to support multi-taxon biodiversity conservation strategies. In fact, the use of species distribution models as input allowed to create spatial decision-support ... -
Neochelanops michaelseni (Pseudoscorpiones: Chernetidae) as potential bioindicator in managed and unmanaged Nothofagus forests of Tierra del Fuego
Lencinas, María Vanessa; Kreps, Gastón; Soler Esteban, Rosina Matilde; Peri, Pablo Luis; Porta, Andres; Ramirez, Martín; Martínez Pastur, Guillermo José (BioOne, 2015-11-01)Bioindicators could act as early warning indicators of environmental changes, ecosystem stress or taxonomic diversity. Pseudoscorpions have rarely been used as bioindicators, due to lack of information about their ecology, ... -
Photosynthetic response to different light intensities, water status and leaf age of two Berberis species (Berberidaceae) of Patagonia steppe, Argentina.
Peri, Pablo Luis; Arena, Miriam Elizabeth; Martínez Pastur, Guillermo José; Lencinas, María Vanessa (Elsevier, 2011-11)Net photosynthetic rate (A) and stomatal conductance (gs) from leaves of Berberis buxifolia and Berberis heterophylla saplings were measured under different conditions of radiation and water availability and for leaves of ... -
Plasticidad ecofisiológica de plántulas de Nothofagus pumilio frente a combinaciones de niveles de luz y humedad en el suelo
Martínez Pastur, Guillermo José; Lencinas, María Vanessa; Soler Esteban, Rosina Matilde; Ivancich, Horacio Simón; Peri, Pablo Luis; Moretto, Alicia Susana; Hernández, Luis Francisco; Lindström, Lilia Ivone (Asociación Argentina de Ecología, 2011)Las propuestas silvícolas para el manejo de los bosques de Nothofagus pumilio se basan sobre la apertura del canopeo para estimular el crecimiento de la regeneración natural; de esta manera se incrementa la disponibilidad ... -
Potential biodiversity map of bird species (Passeriformes): Analyses of ecological niche, environmental characterization and identification of priority conservation areas in southern Patagonia
Rosas, Yamina Micaela; Peri, Pablo Luis; Benítez, Julieta; Lencinas, María Vanessa; Politi, Natalia; Martínez Pastur, Guillermo José (Elsevier, 2023-06)Different methodologies try to identify priority conservation areas (PCA) to improve habitat conservation and decrease human pressures over bird species at coarse-scale. Map of potential biodiversity (PB) can identify PCA ... -
Potential biodiversity map of understory plants for Nothofagus forests in Southern Patagonia: Analyses of landscape, ecological niche and conservation values
Rosas, Yamina Micaela; Peri, Pablo Luis; Lencinas, María Vanessa; Martínez Pastur, Guillermo José (Elsevier, 2019-09)The role of understory plants in native forests is critical for ecosystem function, wildlife protection and ecosystem productivity. The interest to estimate biodiversity increased during the last decades at landscape level. ... -
Proposals for Nothofagus antarctica diameter growth estimation: simple vs. global models
Ivancich, Horacio Simón; Martínez Pastur, Guillermo José; Lencinas, María Vanessa; Cellini, Juan Manuel; Peri, Pablo Luis (Czech Academy of Agricultural Sciences, 2014)Tree growth is one of the main variables needed for forest management planning. The use of simple models containing traditional equations to describe tree growth is common. However, equations that incorporate different ...