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Mostrando ítems 10840-10859 de 12527
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Ring density record of phenotypic plasticity and adaptation to drought in Douglas-fir
(Elsevier, 2009-08)Microdensity profiles of Douglas-fir’s clones and weather data were used to study phenotypic plasticity (dendroplasticity). Within-ring microdensity was interpreted as the variation of tree response to drought constraints ... -
Rise from the ashes! Resilience patterns in Patagonia pastoralist communities
(Wiley, 2023-07)Pastoral household resilience is shaped by the interplay between human agency and community resilience mechanisms. As a major component of pastoral household livelihoods, livestock can serve as an indicator to characterize ... -
Risk factors associated with failures of Varroa treatments in honey bee colonies without broodless period
(2015-09)The treatment against Varroa destructor has become a basic tool in beekeeping practices, mainly during autumn. The treatment effectiveness should be improved by identifying variables affecting the final outcome. The aim ... -
Risk factors associated with the presence of aflatoxin M1 in raw bulk milk from Argentina
(2016-06)The objectives of this study were to assess aflatoxin M1 (AFM1) contamination in bulk tank milk, and to further identify the risk factors associated with the presence of AFM1 in raw milk in Argentina. The presence of AFM1 ... -
Risk factors associated with the presence of Varroa destructor in honey bee colonies from east-central Argentina
(2014-08-01)Varroa destructor is considered one of the major threats for worldwide apiculture. Damage caused by varroa mite includes body weight loss, malformation and weakening of the bees. It was also suggested as the main cause ... -
Risk factors for the presence of Deformed wing virus and Acute bee paralysis virus under temperate and subtropical climate in Argentinian bee colonies
(2017-05)Beekeepers all across the world are suffering important losses of their colonies, and the parasitic mites Varroa destructor and Nosema sp, as well as several bee viruses, are being pointed out as the possible causes of ... -
Risk factors of S. aureus intramammary infection in pre partum dairy heifers under grazing conditions and molecular characterization of isolates from heifers and cows
(Cambridge University Press, 2020-02)The aims of the research reported here were to identify potential risk factors associated with the presence of Staphylococcus aureus intramammary infection (IMI) in pre partum dairy heifers on 17 dairy farms from three ... -
Risk perceptions and management strategies in a post-disaster landscape of Guatemala: Social conflict as an opportunity to understand disaster
(Elsevier, 2021-04-15)This work analyses a post-disaster case study in Guatemala where a large landslide named “Los Chorros” affected several communities and one of the country’s main highways. Risk managers, starting from their own assessment, ... -
Risks of cattle babesiosis (Babesia bovis) outbreaks in a semi-arid region of Argentina
(Elsevier, 2019-10)The epidemiology of Babesia bovis was studied in terms of enzootic stability/instability and husbandry and abiotic factors influencing B. bovis transmission rate in northeastern Santiago del Estero province, Argentina. The ... -
Rizobacterias solubilizadoras de fosfatos inoculadas en dos cvs. de batata (Ipomoea batatas L. (Lam)
(Facultad de Agronomía y Zootecnia, Universidad Nacional de Tucumán, 2014-12)La batata (Ipomoea batatas L. Lam), es un cultivo que pertenece a la familia Convolvulaceae, es el quinto alimento más importante en los países en desarrollo debido a que es una fuente económica de energía, caroteno, ácido ... -
RNA-seq analysis of single bovine blastocysts
(BMC, 2013-05)Background: Use of RNA-Seq presents unique benefits in terms of gene expression analysis because of its wide dynamic range and ability to identify functional sequence variants. This technology provides the opportunity to ... -
Roads and land tenure mediate the effects of precipitation on forest cover change in the Argentine Dry Chaco
(Elsevier, 2022-01)Dry forests are among the most threatened ecosystems globally, due to agricultural expansion driven by the increasing demand for food, fibers, and energy in developed and emerging countries. Among these, the forests of the ... -
Robinia pseudoacacia, una alternativa silvícola para el Alto Valle de Río Negro (Argentina). Parte I: aspectos botánicos y ecológicos
(Facultad de Agronomía, Universidad Nacional de La Pampa, 2023-12-20)En la Argentina, el cultivo comercial de Robinia pseudoacacia es reducido y existen pocosbestudios sobre su comportamiento en plantación forestal. Las investigaciones forestales en el AltoValle han sido principalmente ... -
Robinia pseudoacacia, una alternativa silvícola para el Alto Valle de Río Negro (Argentina). Parte II: aspectos dasonómicos
(Facultad de Agronomía, Universidad Nacional de La Pampa, 2023-12-20)Robinia pseudoacacia, originaria de Estados Unidos de América y naturalizada en diversos continentes, es la tercera latifoliada de rápido crecimiento más cultivada en el mundo. En Argentina, el cultivo con fines productivos ... -
Roble pellín (Nothofagus obliqua): A Southern Beech with a Restricted Distribution Area But a Wide Environmental Range in Argentina
(Springer, 2021)Nothofagus obliqua (Mirb.) Oerst. (Nothofagaceae, Hill and Jordan 1993), known as ‘roble’, ‘pellín’, ‘roble pellín’ or ‘hualle’, is a tree species endemic to South American temperate forests. It is under protection in ... -
Robles in Lagunas de Epulauquen, Argentina: previous and recent evidence of their distinctive character
(2014-12)The northernmost ‘robles’ of Argentina, located in Lagunas de Epulauquen (northwest Patagonia), are considered a population of Nothofagus obliqua, even though they differ in some respects from individuals of other populations ... -
El rol clave de las instituciones.100 años de la Estación Experimental Agropecuaria Alto Valle
(EEA Alto Valle, INTA, 2013)Se dice que las instituciones dan forma a la manera en que las sociedades se desarrollan en el tiempo, y por lo tanto son la llave para entender el cambio histórico que se genera en las mismas, en un proceso no exento de ... -
Rol de la biomasa aérea y subterránea del yuyo moro (Acroptilon repens L.) en la pèrdida de rendimiento de la cebolla (Allium cepa L.) cv Valcatorce INTA
(2014)El yuyo moro (Acroptilon repens L.) es una de las malezas perennes más importantes del Valle Inferior del río Negro, cuyos densos manchones prácticamente monoespecíficos generan severos perjuicios por interferencia con ... -
Rol de la extensión rural realizada por INTA y demás organizaciones para contribuir al desarrollo rural territorial en el partido de Bolívar
(Departamento de Geografía y Turismo, Universidad Nacional del Sur, 2009)El Desarrollo Territorial surge como una propuesta para contribuir al desarrollo de los territorios. El Sistema de Extensión de INTA se suma a esta propuesta con un enfoque rural con el fin de contribuir a la tecnificación ... -
El rol de la Información Geográfica en los sistemas productivos
(EEA Alto Valle, INTA, 2020)Tecnologías de apoyo para la toma de decisiones en los territorios y la democratización de la información. Hace varios años que los Sistemas de Información Geográfica (SIG) y la Teledetección ocupan roles fundamentales en ...