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Mostrando ítems 786-805 de 859
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Tallo: A global tree allometry and crown architecture database
(Wiley, 2022-08-01)Data capturing multiple axes of tree size and shape, such as a tree's stem diameter, height and crown size, underpin a wide range of ecological research—from developing and testing theory on forest structure and dynamics, ... -
El tamaño de los individuos y el microambiente afectan el daño por fuego y la supervivencia en árboles del Chaco Serrano
(Asociación Argentina de Ecología, 2019-08)Los incendios afectan de distinta manera a ejemplares de una misma especie leñosa según el tamaño del individuo y las condiciones del microambiente, entre otros factores. Esto tiene implicancias en la estructuración de los ... -
Teledetección aplicada a la eficiencia y productividad de pasturas mixtas del VIRCH
(Instituto de Investigaciones Geográficas de la Patagonia (IGEOPAT), 2021-12)En el valle inferior del río Chubut (VIRCh), la producción de cultivos forrajeros para la alimentación de herbívoros domésticos es la actividad agrícola más difundida territorialmente. El propósito del presente trabajo fue ... -
Ten years of seed production and establishment of regeneration measurements in Nothofagus antarctica forests under different crown cover and quality sites, in Southern Patagonia
(2018-06)This study evaluated the seed production and quality and the subsequent regeneration establishment in five pure Nothofagus antarctica forests growing at different site qualities and crown cover during 10 years, in Southern ... -
Tendencias recientes en las lluvias de la Patagonia Austral
(Instituto Nacional del Agua (INA), 2023-08-28)El conocimiento de la dinámica espacial y temporal de las lluvias, sus tendencias y patrones, es central para la comprensión del clima y de la hidrología y, en consecuencia, para la planificación hidrológica y agropecuaria ... -
Tercer informe técnico: Proyecto ARG 19/004 “Apoyo a la Implementación del Plan Estratégico Nacional para el Manejo Sustentable de palo santo (Gonopterodendron sarmientoi)"
(PNUD-INTA, 2021-09)Este tercer informe trata sobre la definición del o los límites de la o las cuencas de abastecimiento de palo santo a escala regional, el mapa de actores endógenos y exógenos a las cuencas definidas, la caracterización de ... -
Tercer Reporte al Proceso de Montreal al año 2017
(Ministerio de Ambiente y Desarrollo Sostenible, Argentina, 2021-10-20)El Proceso de Montreal define Criterios e Indicadores para la Conservación y la Ordenación Sostenible de los Bosques Templados y Boreales. Los 12 países participantes concordaron en adoptar un conjunto de 7 criterios y 54 ... -
The contribution of fire damage to restricting high mountain Polylepis australis forests to ravines: Insights from an un-replicated comparison
(2015-04)High mountain forests are often restricted to ravines and much debate has existed on the explanations of this distribution, with arguments ranging from abiotic site conditions being more favorable in ravines to there being ... -
The database of the PREDICTS (Projecting Responses of Ecological Diversity In Changing Terrestrial Systems) project
(Wiley, 2017-01-05)The PREDICTS project—Projecting Responses of Ecological Diversity In Changing Terrestrial Systems (www.predicts.org.uk)—has collated from published studies a large, reasonably representative database of comparable samples ... -
The effect of melatonin and season on in vivo embryo production of Dohne Merino ewes
(2014-07)To determine the effect of melatonin on embryo production in superovulated donor Dohne Merino ewes, two experiments were carried out at Trelew, Argentina (43° S 65° W), during the breeding and the anestrous seasons. ... -
The global biogeography of tree leaf form and habit
(Springer Nature, 2023-11)Understanding what controls global leaf type variation in trees is crucial for comprehending their role in terrestrial ecosystems, including carbon, water and nutrient dynamics. Yet our understanding of the factors influencing ... -
The influence of environmental variations on the phenolic compound profiles and antioxidant activity of two medicinal Patagonian valerians (Valeriana carnosa Sm. and V. clarionifolia Phil.)
(AIMS Press, 2020-12-15)Valeriana carnosa and V. clarionifolia stand out as principal elements in the indigenous pharmacopeias of Patagonia; however, their phytochemical characterization is unknown. This study constitutes the starting point of a ... -
The MARAS dataset, vegetation and soil characteristics of dryland rangelands across Patagonia
(Nature Research, 2020)We present the MARAS (Environmental Monitoring of Arid and Semiarid Regions) dataset, which stores vegetation and soil data of 426 rangeland monitoring plots installed throughout Patagonia, a 624.500 km2 area of southern ... -
The number of tree species on Earth
(National Academy of Sciences, 2022-02-08)One of the most fundamental questions in ecology is how many species inhabit the Earth. However, due to massive logistical and financial challenges and taxonomic difficulties connected to the species concept definition, ... -
The positive effect of plant diversity on soil carbon depends on climate
(Springer Nature, 2023-10-19)Little is currently known about how climate modulates the relationship between plant diversity and soil organic carbon and the mechanisms involved. Yet, this knowledge is of crucial importance in times of climate change ... -
The relative importance of soil properties and regional climate as drivers of productivity in southern Patagonia’s Nothofagus antarctica forests
(2018-06)Soil texture and temperature-related variables were the variables that most contributed to Nothofagus antarctica forest height in southern Patagonia. This information may be useful for improving forest management, for ... -
The role of facultatively nectarivorous birds as pollinators of Anarthrophyllum desideratum in the Patagonian steppe: a geographical approach
(2017-12)The endemic shrub Anarthrophyllum desideratum appears to be the only ornithophilous plant offering nectar as reward in the extensive Patagonian steppe. The identity of its floral visitor assemblage and to what extent this ... -
Thinking in the sustainability of Nothofagus antarctica silvopastoral systems, how differ the responses of seedlings from different provenances to water shortage?
(2017-12)Nothofagus antarctica, is the most important species of the silvopastoral systems of southern Patagonia. However, there is limited information on the ecophysiological response mechanisms of seedlings for survival under ... -
Tiempo de tránsito y su relación con el duramen de Gonopterodendron sarmientoi Lorentz ex Griseb (Palo Santo) en el chaco argentino
(Red Argentina de Ciencia y Tecnología Forestal, 2023-03-27)El palo santo, Gonopterodendron sarmientoi Lorentz ex Griseb A. C. Godoy-Bürki (Zigophyllaceae), es una especie de alto valor maderable. Se caracteriza por presentar color verde pastel a verde azulado en su duramen, alto ... -
Tintes naturales de plantas nativas : colores de la Patagonia
(2015)Este libro pone a disposición del público en general la experiencia realizada en la obtención de tintes naturales de 18 plantas de la ora nativa, incluyendo fotografías, una breve descripción de las especies para facilitar ...