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Mostrando ítems 41-60 de 69
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Growth curve of early-weaned Hereford calves in a semidesert temperate zone (Patagonia, Argentina)
Bruzzone, Octavio Augusto; Castillo, Daniel Alejandro; Villagra, Edgar Sebastian (Elsevier, 2022-05)In semi desert environments, prone to droughts, beef cow performance can be improved by early weaning. This study aimed to evaluate the growth curve of early weaned calves in a semidesert temperate area such as Patagonia, ... -
Habituation in mosquito larvae Aedes aegypti is context-specific
Pietrantuono, Ana Laura; Aguirre Urreta, María Beatriz; Bruzzone, Octavio Augusto; Guerrieri, Fernando J. (The Company Biologists, 2021-06)Mosquito larvae live in water and perform a stereotyped escape response when a moving object projects its shadow on the surface, indicating potential risk of predation. Repeated presentations of the shadow induce a decrease ... -
Una herramienta para monitorear sequías en regiones áridas y semiáridas de Patagonia Norte
Easdale, Marcos Horacio; Lopez, Dardo Ruben; Bianchi, Emilio; Bruzzone, Octavio Augusto; Villagra, Edgar Sebastian; Siffredi, Guillermo Lorenzo; Gaitan, Juan Jose; Umaña, Fernando; Oricchio, Patricio (Gerencia de Comunicación e Imagen Institucional, DNA SICC, INTA, 2012-08)La variabilidad ambiental es una característica de regiones pastoriles áridas y semiáridas, siendo la sequía uno de los principales problemas en sistemas ganaderos extensivos, con implicancias productivas y económicas tanto ... -
Influence of adult diet on fitness and reproductive traits of the egg parasitoid Anagrus virlai (Hymenoptera: Mymaridae), a potential biocontrol agent against the corn leafhopper
Hill, Jorge Guillermo; Aguirre, María Belén; Bruzzone, Octavio Augusto; Virla, Eduardo Gabriel; Luft Albarracin, Erica (Wiley, 2020-08)Dalbulus maidis is the most important leafhopper pest of maize in the Americas. Anagrus virlai is an egg parasitoid commonly associated with the corn leafhopper. We evaluated whether the performance of A. virlai is dependent ... -
Influence of competition and intraguild predation between two candidate biocontrol parasitoids on their potential impact against Harrisia cactus mealybug, Hypogeococcus sp. (Hemiptera: Pseudococcidae)
Aguirre, María Belén; Bruzzone, Octavio Augusto; Triapitsyn, Serguei V.; Diaz Soltero, Hilda; Hight, Stephen D.; Logarzo, Guillermo Alejandro (Springer Nature, 2021-06-28)When two or more parasitoid species, particularly candidates for biocontrol, share the same target in the same temporal window, a complex of behaviors can occur among them. We studied the type of interactions (competition ... -
Informe de la Situación Productiva Ganadera frente a la Sequía en la Provincia del Neuquén – Ciclo 2016-2017
Easdale, Marcos Horacio; Martinez, Abel Hector Maria; Navedo, Rodrigo Manuel; Trova, Santiago; Taborda, Maria Laura; López, Iván; Calquín, Francisco; Zuñiga, Fabián; Umaña, Fernando; Bruzzone, Octavio Augusto; Oricchio, Patricio; Marciani, Santiago Nicolas (2018-02-06)El presente es un breve informe de la situación productiva ganadera frente al proceso de sequía acontecido en la provincia del Neuquén durante el ciclo 2016-2017. El mismo contiene un análisis de la evolución de los ... -
Informe de situación de los sistemas ganaderos y de la prospectiva de la productividad de los pastizales en la província de Rio Negro.
Bidinost, Franca; Gaetano, Andres Marcelo; Alvarez, Hilda Rocio; Reuque, Raul Esteban; Villagra, Edgar Sebastian; Easdale, Marcos Horacio; Bruzzone, Octavio Augusto; Umaña, Fernando; Marciani, Santiago Nicolas; Llampa, Julio Argentino; Molina, Roberto Ángel; Marinzalta, Mauro Andres; Gallego, Juan Jose; Echevarría, Daniela; Saber, Ciro Adrián; Stiglauer, Marcela Alejandra; Felice, Mónica Ester; Devesa, Jorge; Rodriguez, Andrea Betiana; Muñoz, Angel Rafael (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)
Easdale, Marcos Horacio; Bruzzone, Octavio Augusto; Fariña, Clara María; Umaña, Fernando (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 ... -
Ingenieros ocultos se alimentan de estiércol y mejoran las pasturas en la estepa, ¡Conózcalos!
Perri, Daiana Vanesa; Bruzzone, Octavio Augusto; Easdale, Marcos Horacio (EEA Bariloche, INTA, 2022-06)En sistemas pastoriles, la mayoría de las decisiones de manejo productivo tiene que ver con resolver la interacción Ganado-Pastizal. Pero acaso ¿esas son todas las interacciones que se pueden tener en cuenta? ¿Qué pasa con ... -
Intra-host interspecific larval parasitoid competition solved using modelling and bayesian statistics
Bruzzone, Octavio Augusto; Logarzo, Guillermo Alejandro; Aguirre, María Beatriz; Virla, Eduardo Gabriel (Elsevier, 2018-07)Intraguild competition is a complex phenomenon that shapes parasitoid communities. When several species of parasitoids oviposit within the same individual host, a complex phenomenon of larval competitive interaction occurs. ... -
Optimal automatic enhanced ERA5 daily precipitation data for environmental and agricultural monitoring tools in scarce data regions
Perri, Daiana Vanesa; Hurtado, Santiago Ignacio; Bruzzone, Octavio Augusto; Easdale, Marcos Horacio (Springer, 2023-11-10)The development of monitoring and early warning tools for environmental and agricultural applications is highly restricted in scarce climate data regions. In particular, precipitation data is a key input for several ... -
Parque Nacional Laguna Blanca: evaluación forrajera y dinámica de la productividad de los pastizales
Farina, Clara Maria; Easdale, Marcos Horacio; Bruzzone, Octavio Augusto; Umaña, Fernando (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 ... -
Phases or regimes? Revisiting NDVI trends as proxies for land degradation
Easdale, Marcos Horacio; Bruzzone, Octavio Augusto; Mapfumo, Paul; Tittonell, Pablo Adrian (Wiley, 2018-03)One of the main challenges in land degradation assessment is that a rigorous and systematic approach to addressing its complex dynamics is still missing. The development and application of operative tools at regional and ... -
Physiological and morphological short-term responses to light and temperature in two Nothofagus species of Patagonia, South America
Varela, Santiago Agustin; Fernandez, María Elena; Gyenge, Javier Enrique; Aparicio, Alejandro Gabriel; Bruzzone, Octavio Augusto; Schlichter, Tomas Miguel (2012-12)The study of plant responses to environmental stress factors is essential for management of plant systems and for anticipating their response to climate change. The main goal of this study was to determine morphological ... -
Preferencias de hospedador y hábitat de insectos fitófagos asociados a Nothofagus spp.
Pietrantuono, Ana Laura (Centro Regional Universitario Bariloche, Universidad Nacional del Comahue, 2015-03)El bosque nativo Andino- Patagónico se caracteriza por la presencia de diversas especies de Nothofagus (Fagales: Nothofagaceae). Estas especies leñosas no sólo representan una pieza del patrimonio natural, sino que además ... -
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
Farina, Clara Maria; Aramayo, Maria Valeria Del Lujan; Perri, Daiana Vanesa; Martin Albarracin, Valeria Leticia; Umaña, Fernando; Bruzzone, Octavio Augusto; Easdale, Marcos Horacio (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. ... -
Revisiting the influence of learning in predator functional response, how it can lead to shapes different from type III
Bruzzone, Octavio Augusto; Aguirre, María Belén; Hill, Jorge Guillermo; Virla, Eduardo Gabriel; Logarzo, Guillermo Alejandro (Wiley, 2022-02)Predator/parasitoid functional response is one of the main tools used to study predation behavior, and in assessing the potential of biological control candidates. It is generally accepted that predator learning in prey ... -
Rhythm of change of trend-cycles of vegetation dynamics as an early warning indicator for land management
Bruzzone, Octavio Augusto; Easdale, Marcos Horacio (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 ... -
The role of leaf cellulose content in determining host plant preferences of three defoliating insects present in the Andean-Patagonian forest
Pietrantuono, Ana Laura; Bruzzone, Octavio Augusto; Fernandez Arhex, Valeria Cristina (2016)Los insectos fitófagos eligen sus recursos alimenticios según sus propias necesidades además de las propiedades de las plantas huésped, como las defensas biomecánicas. Las preferencias alimentarias de los insectos folívoros ... -
Spatial distribution of volcanic ash deposits of 2011 Puyehue-Cordón Caulle eruption in Patagonia as measured by a perturbation in NDVI temporal dynamics
Easdale, Marcos Horacio; Bruzzone, Octavio Augusto (2018-03)Volcanic ash fallout is a recurrent environmental disturbance in forests, arid and semi-arid rangelands of Patagonia, South America. The ash deposits over large areas are responsible for several impacts on ecological ...