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Mostrando ítems 188-207 de 557
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Effects of climate on the radial growth of mixed stands of Nothofagus nervosa and Nothofagus obliqua along a precipitation gradient in Patagonia, Argentina
(Elsevier, 2022-08)Climate models for North Patagonia in Argentina project dryer conditions, due to a decrease in mean precipitation combined with an increase in mean temperatures. The temperate mixed Nothofagus forest, which exists along a ... -
Effects of elevated CO2 on the water hyacinth-biocontrol agent Megamelus scutellaris (Hemiptera: Delphacidae) and its yeast-like symbiotes
(Elsevier, 2024-01)Water hyacinth, Pontederia crassipes, is a highly invasive plant native to South America and one of the most invasive aquatic plants in the world. For its control, the planthopper Megamelus scutellaris Berg (Hemiptera: ... -
Effects of low-density Pinus elliottii (Slash pine) afforestation on environmental conditions and native plant diversity, in the mountains of central Argentina
(2018-07)Question: What effects do low-density afforestation with Pinus elliottii have on the site conditions and plant diversity of the mountains of central Argentina? Location: Sierra de Comechingones, central Argentina. Methods: ... -
Effects of polydopamine-passivation on the optical properties of carbon dots and its potential use in vivo
(Royal Society of Chemistry, 2020-07)Passivation of carbon dots via heteroatom doping has been shown to enhance their optical properties and tune their fluorescence signature. Additionally, the incorporation of polymeric precursors in carbon dot synthesis has ... -
Effects of pretreatments in convective dehydration of Rosehip (Rosa eglanteria)
(ISEKI Food Association, 2012-02)The aim of this work was to experimentally determine drying curves for thin layer and bed drying of rosehip fruits, with and without pretreatments, to reduce processing times as a function of drying air operating variables, ... -
Efficient sampling of ground-dwelling arthropods using pitfall traps in arid steppes
(Sociedade Entomológica do Brasil, 2010-12)Pitfall trapping is probably the most frequently used method for sampling grounddwelling arthropods. While the capture of specimens in pitfall traps largely depends on the number of individuals in the sampled area, trap ... -
Eficiencia del cultivo bacteriológico y de la inmunofluorescencia en la detección de Campylobacter fetus en fluidos genitales bovinos = Efficiency of bacteriological culture and the immunofluorescent assay to detect Campylobacter fetus in bovine genital fluids
(Asociación Argentina de Microbiología, 2015-07)La campilobacteriosis genital bovina es una enfermedad reproductiva que afecta la producción bovina. Es causada por las subespecies de Campylobacter fetus, C. fetus fetus (Cff) y C. fetus venerealis (Cfv). El objetivo de ... -
Emerging responses to the COVID-19 crisis from family farming and the agroecology movement in Latin America – A rediscovery of food, farmers and collective action
(Elsevier, 2021-05)In Latin America, the so-called informal sector associated with family farming and the agroecology movements were instrumental at coping with and adapting to the COVID-19 challenges. OBJECTIVE: To assess the nature and ... -
Encuesta serológica sobre Brucelosis bovina en ganado de la provincia de Río Negro, Argentina, en el área de vacunación antiaftosa
(Biogenesis Bagó, 2005)Se realizó un estudio de prevalencia de Brucelosis bovina en los departamentos del Noreste de la provincia de Río Negro. Se procesaron 1774 muestras de suero pertenecientes a 182 establecimientos. La serología diagnóstica ... -
Enhanced high-spatial resolution radiographic images based on COTS CMOS image sensors applied to wood dendrochronology and densitometry
(Elsevier, 2024-03)The imaging of wood samples using X-rays for the study of dendrochronology and densitometry is predominantly conducted through analog films subsequently digitized or, in more advanced instances, with expensive flat-panel ... -
Enhancing agroecosystem productivity with woody perennials in semi-arid West Africa. A meta-analysis
(Springer Verlag, 2018-12)Soil degradation in semi-arid West Africa can be reversed through an intensified application of organic matter, especially on coarse soils. Woody perennials have been promoted in the region to secure organic matter sources ... -
Enteritis hemorrágica en un equino atribuida a Clostridium perfringens tipo A.
(Veterinaria Argentina S.R.L., 2016-06)La muerte de equinos con cuadros clínicos de cólico es frecuente, especialmente en animales estabulados y con fines deportivos. Sin embargo, al ser muy bajo el porcentaje de animales que son necropsiados y muestreados, la ... -
Environmental influence on Merino sheep wool quality through the lens of seasonal variations in fibre diameter
(Elsevier, 2020-10)Wool production in arid and semiarid rangelands is strongly affected by environmental variability. Seasonal fluctuations of the environmental conditions drive variations in the nutritional status of the sheep, wool growth ... -
Esquila preparto, una tecnología de adopción masiva y alto impacto en la producción ovina de la Patagonia
(Gerencia de Comunicación e Imagen Institucional, DNA SICC, INTA, 2015-12-16)La esquila de lanares poco antes de la parición tiene ventajas y desventajas que dependen del ambiente y del sistema de producción. Investigaciones realizadas por el INTA en Patagonia demostraron que la esquila preparto ... -
Estado nutricional materno y su incidencia sobre las pérdidas embrionarias y fetales en los ovinos
(Asociación Peruana de Reproducción Animal, 2014)Entre los factores que inciden directamente sobre los resultados reproductivos en los ovinos, se destacan las pérdidas reproductivas antes del nacimiento. Las pérdidas prenatales se diferencian en mortalidad embrionaria y ... -
Estimating soil organic carbon through loss on ignition: effects of ignition conditions and structural water loss
(John Wiley & Sons Ltd, 2015-03)Loss on ignition (LOI) is one of the most widely used methods for measuring organic matter content in soils but does not have a universal standard protocol. A large number of factors may influence its accuracy, such as ... -
Estimation and analysis of insect population dynamics parameters via physiologically based models and hybrid genetic algorithm MCMC methods
(Elsevier, 2023-11)Decision support systems are gaining importance in several fields of agriculture, forest, and ecological systems management. Their predictive potential, entrusted to mathematical models, is of fundamental importance to set ... -
Estudio de características vinculadas al procesamiento textil en lanas del Consorcio Regional de Innovación en Lanas Ultrafinas = Evaluation of characteristics related to textile processing in wool from the Regional Consortium of Innovation in Ultrafine Wools
(2017-11-20)El objetivo de este trabajo fue tipificar las características vinculadas al procesamiento textil en lanas producidas en establecimientos del Consorcio Regional de Innovación en Lanas Ultrafinas (CRILU), para determinar si ... -
Evaluación de daños por heladas tardías en ensayos de procedencias de pino oregón introducidos en el norte de la Región Andino Patagónica Argentina
(Universidad Austral de Chile, 2005-12)The susceptibility to late frost of the seed source used for afforestations at the moment it is one of the main adaptatives characteristic limiting the increase of the planted area of Douglas-fir (Pseudotsuga menziesii ... -
Evaluación de la efectividad del Triclabendazol como fasciolicida en caprinos de la provincia de Neuquén, Argentina.
(Facultad de Ciencias Veterinarias, Universidad Nacional del Litoral, 2021-11-02)Debido al uso frecuente del triclabendazol (TCBZ) por parte de los productores, sumado al reporte reciente de resistencia de Fasciola hepatica al fármaco detectada en rodeos y majadas de Neuquén, se llevó a cabo el presente ...