Temas
Mostrando ítems 21-33 de 33
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Informe de situación de los sistemas ganaderos y de la prospectiva de la productividad de los pastizales en la província de Rio Negro.
(Ediciones INTA, 2020-05-08)El presente documento reúne información sobre la dinámica del pastizal en base al análisis de series de tiempo de un Índice de Vegetación (NDVI) obtenido de datos de imágenes satelitales MODIS, para el período 2000-2019. En ... -
Informe II. Dinámica y prospectiva de la productividad de la vegetación en la provincia de Neuquén (2000-2019)
(EEA Bariloche, 2020-01)El presente informe analiza la situación actualizada a diciembre de 2019, de un informe previo realizado en junio de 2019, de la productividad de los pastizales en la provincia de Neuquén, estimada a partir de series de ... -
Local adaptation along a sharp rainfall gradient occurs in a native Patagonian grass, Festuca pallescens, regardless of extensive gene flow
(Elsevier, 2020-03)Increasing global aridity combined with changing environmental conditions might cause irreparable alterations in arid and semiarid ecosystems. Knowledge of within-species genetic diversity and adaptive responses, especially ... -
Parque Nacional Laguna Blanca: evaluación forrajera y dinámica de la productividad de los pastizales
(Ediciones INTA, 2019-07)El presente trabajo fue solicitado por la Dirección Regional Patagonia Norte de Parques Nacionales en conjunto con la Intendencia del Parque Nacional Laguna Blanca, y se realizó en el marco del Convenio de Cooperación ... -
Pastizales patagónicos: avances en la domesticación del coirón blanco con fines productivos y de restauración ecosistémica
(Ediciones INTA, 2021-12)La gran heterogeneidad ambiental, la alta presión de pastoreo histórica y el cambio climático imponen fuertes presiones sobre las especies nativas de los pastizales de Patagonia. Estos pastizales están dominados por ... -
Perspectives on Rangeland Management Education and Research in Argentina
(Society for Range Management, 2011-02)Rangelands account for over two-thirds of Argentina’s land area and contribute uniquely to its biodiversity, agricultural livelihood, and cultural identity. Colossal mountain ranges and regional air mass movements create ... -
Plant species richness and shrub cover attenuate drought effects on ecosystem functioning across Patagonian rangelands
(2014-10-22)Drought is an increasingly common phenomenon in drylands as a consequence of climate change. We used 311 sites across a broad range of environmental conditions in Patagonian rangelands to evaluate how drought severity and ... -
Relationship between NDVI of Patches and Cover Area of Grasses, Shrubs and Bare Soil Components of a Semi-Arid Steppe from North-West Patagonia, Argentina
(MDPI, 2023-02)Distinguishing the contributions of different vegetation cover such as shrubs and grasses components into the primary production in arid and semi-arid rangelands is a key step to understanding changes at a landscape scale. ... -
Rhythm of change of trend-cycles of vegetation dynamics as an early warning indicator for land management
(Elsevier, 2021-07)The use of time series of vegetation indices obtained from satellites has become a highly relevant source of data in studies of land degradation assessment and monitoring. However, information about future vegetation ... -
Seasonal diet of Lama guanicoe (Camelidae: Artiodactyla) in a heterogeneous landscape of South Patagonia = Dieta estacional de Lama guanicoe (Camelidae: Artiodactyla) en un paisaje heterogéneo de Patagonia Sur
(Universidad Austral de Chile, Facultad de Ciencias Forestales, 2013)Large diversity of habitat types, plant species assemblages, and silvopastoral activities in Nothofagus spp. forests condition the food availability for native herbivores. This work evaluates the seasonal diet of Lama ... -
The application of ecologically intensive principles to the systemic redesign of livestock farms on native grasslands: A case of co-innovation in Rocha, Uruguay
(Elsevier, 2021-06)CONTEXT: Family-run cow-calf farms based on native grasslands exhibit low economic and social sustainability, as reflected in low family incomes and high workloads. Experimental results have shown that pasture–herd interaction ... -
Uso de “open top chambers” para simular escenarios de cambio climático en pastizales naturales de la Patagonia (sistema de mallines): Resultados preliminares.
(Asociación Argentina de Agrometeorología, 2016-09-20)Los experimentos de aumento artificial de temperatura son ampliamente aceptados y utilizados como metodologías para la investigación del cambio climático global (Shen y Harte 2000). Entre los métodos existentes (Niu et ... -
What do domestic livestock eat in northern Patagonian rangelands?
(CSIRO Publishing, 2013-02)The Patagonian rangelands are dominated by steppes interspersed with meadows (locally called mallines), which are small but permanently humid areas, characterised by high spring–summer quality and productivity of grasses ...