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Mostrando ítems 21-40 de 113
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Causas e impactos de la deforestación de los bosques nativos de Argentina y propuestas de desarrollo alternativas
(Ministerio de Ambiente y Desarrollo Sostenible, Argentina, 2020)En el marco de la Ley Nacional Nº 26.331 de Presupuestos Mínimos de Protección Ambiental de los Bosques Nativos, se entiende como bosque nativo a todos los ecosistemas forestales naturales en distinto estado de desarrollo, ... -
Changes in bird assemblages in a wetland ecosystem after 14 years of intensified cattle farming
(2018-05)Human activities have modified wetlands all over the word. Water control structures that are frequently implemented in these ecosystems to keep lands free of flooding can decrease or degrade habitat for biodiversity. The ... -
El cinturón verde de Córdoba. Hacia un plan integral para la preservación, recuperación y defensa del área periurbana de producción de alimentos
(Ediciones INTA, 2017)Este informe pretende destacar en forma sintética la importancia, que a nivel provincial y nacional, tiene el área agraria del Cinturón Verde como referente de primer orden para el abastecimiento de alimentos (frutas, ... -
Cobertura de especies leñosas y gramíneas perennes en dos gradientes de pastoreo y fuego en el Chaco Árido de La Rioja.
(Asociación Argentina de Producción Animal (AAPA), 2016)Los efectos del pastoreo y el fuego, entre otros" son considerados como factores más importantes de modelación de los ecosistemas, principalmente en la composición y fisonomía de la vegetación. El objetivo fue evaluar la ... -
Combining object-based image analysis with topographic data for landform mapping: a case study in the semi-arid Chaco ecosystem, Argentina
(MDPI, 2019-03)This paper presents an object-based approach to mapping a set of landforms located in the fluvio-eolian plain of Rio Dulce and alluvial plain of Rio Salado (Dry Chaco, Argentina), with two Landsat 8 images collected in ... -
Concepts and methods for landscape multifunctionality and a unifying framework based on ecosystem services
(Springer, 2014-02)The potential of landscapes to supply multiple benefits to society beyond commodities production has received increasing research and policy attention. Linking the concept of multifunctionality with the ecosystem services ... -
Contemporary challenges and opportunities for the management of bird damage at field crop establishment
(Elsevier, 2021-06)Bird damage, from sowing to crop establishment, is an important issue for farmers in many parts of the world. However, reliable and cost-effective solutions remain elusive because management tools and research on the subject ... -
Cultivating the dry forests of South America: Diversity of land users and imprints on ecosystem functioning
(2015-12)In the South American dry forest of the Dry Chaco and Chiquitania, the area under cultivation rose from 10% to 19% over the last 10 years, and little biophysical, economical, or political constrains seem to prevent further ... -
Cultural ecosystem services trade-offs arising from agriculturization in Argentina : a case study in Mar Chiquita Basin
(2018-02)Highlights •We developed a spatial indicator to assess opportunities for recreation and tourism. •We found trade-offs between agricultural commodities and this indicator. •Spatially represented, trade-off was diffuse ... -
Decomposition and nutrient release of grass and tree fine roots along an environmental gradient in southern Patagonia
(Wiley, 2018-10-25)Decomposition of fine roots is a fundamental ecosystem process that relates to carbon (C) and nutrient cycling in terrestrial ecosystems. However, this important ecosystem process has been hardly studied in Patagonian ... -
El desafío de diseñar nuestros agroecosistemas
(2014-12)En su extensa y hermosa obra, Atahualpa Yupanqui escribió “...Para el que mira sin ver, la tierra es tierra nomás... un mundo en cada gramilla, adioses en el cardal y pensar que para muchos, la tierra es tierra nomás...”. ... -
Dinámica de la producción primaria en pastizales naturales y pasturas implantadas de San Luis : influencia de la precipitación y la composición de especies
(Facultad de Agronomía, Universidad de Buenos Aires, 2014-07)El reemplazo de ecosistemas nativos por pasturas cultivadas como consecuencia de la expansión de las fronteras agrícolas y ganaderas, es un fenómeno que ocurre en gran parte de las regiones semiáridas templadas del mundo. ... -
Discrimating the biophysical signal from human - induced effects on long - tern primary production dynamics. The case of Patagonia.
(Wiley, 2021-09-01)The temporal trend of aboveground net primary production (ANPP) is frequently used to estimate the human effect on ecosystems. In water-limited ecosystems, like most grazing areas in the world, human effects act upon ANPP ... -
Dissolved organic carbon in water f luxes of Eucalyptus grandis plantations in northeastern Entre Ríos Province, Argentina = Carbono orgánico disuelto en flujos hídricos de plantaciones de Eucalyptus grandis del noreste, provincia de Entre Ríos, Argentina
(Facultad de Ciencias Forestales y Recursos Naturales, Universidad Austral de Chile, 2014)Water fluxes in tree plantations and other ecosystems carry dissolved organic carbon (DOC) provided by atmospheric inputs, autotrophic and heterotrophic metabolisms and from the lysis of dead material. These ... -
Diversidad de aves en sitios asociados al desarrollo del módulo caprino de la Estación Experimental Agropecuaria de INTA Ing. Juárez (Formosa, Argentina)
(Estación Experimental Agropecuaria Ingeniero Juárez, INTA, 2023)El establecimiento y mantenimiento de ecosistemas ecológicamente diversos, constituye un pilar importante para el desarrollo sostenible de los agroecosistemas, y especialmente para el manejo de bosques con ganadería ... -
Día Mundial del Suelo: ¿Un día para tomar conciencia?
(Estación Experimental Agropecuaria Balcarce, INTA, 2020-11)Nuestra región al igual que muchas otras de Argentina, presenta graves problemas de degradación de sus tierras lo cual está directamente relacionado a la disminución la capacidad productiva de los suelos. Este proceso ... -
The ecohydrology of ecosystem transitions: a meta‐analysis
(Wiley, 2015-07)A vast body of literature demonstrated that anthropogenic disturbances such as overgrazing and fire are key drivers of abrupt transition between vegetation types in ecosystems. In this study, we propose that the hydrological ... -
Economic costs of invasive non-native species in urban areas: an underexplored financial drain
(Elsevier, 2024-03)Urbanization is an important driver of global change associated with a set of environmental modifications that affect the introduction and distribution of invasive non-native species (species with populations transported ... -
Ecosystem and productive benefits of the strategic inclusion of annual legumes into an annual ryegrass pasture in a no-tillage integrated crop-livestock system
(Ediciones INTA, 2021-12)Annual winter pastures are strategic components in crop-livestock systems in Uruguay. The aim of this study was to evaluate the N legume fixation into an annual ryegrass pasture contrasted to the N fertilizer addition. The ... -
Ecosystemic structural–functional approach of the state and transition model
(Wiley, 2011-02)Objective: To contribute to the integration of key ecological concepts such as dynamic equilibrium, critical threshold, resistance and resilience to the ‘State and Transition Model’ (STM), in order to apply them in a more ...