Artículos científicos: Envíos recientes
Mostrando ítems 1-20 de 413
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Growth curve of early-weaned Hereford calves in a semidesert temperate zone (Patagonia, Argentina)
(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, ... -
Red Argentina de Parcelas Permanentes de Bosques Nativos para promover colaboraciones científicas en estudios de largo plazo
(Asociación Argentina de Ecología, 2022-08)Las parcelas forestales permanentes son áreas de muestreo donde se registran periódicamente la identidad, abundancia y tamaño de los árboles, para estudiar cómo cambian los bosques en relación con el clima, los disturbios ... -
Are winter rangelands enough to satisfy the nutritional requirements of late‑gestation transhumant goats in Patagonia?
(Springer, 2022-08-03)Transhumant herds graze across two different rangeland types according to the season. Winter rangelands differ from summer rangelands in the amount and quality of available fodder, with the former being the less productive. ... -
Population ecology and classical biological control of forest insect pests in a changing world
(Elsevier, 2022-09-15)Forests are important for climate regulation and provide wood and fiber to an increasing human population. Forest systems encompass a large part of the world’s land surface area and they are increasingly threatened by ... -
Nutrient source, management system and the age of the plantation affect soil biodiversity and chemical properties in raspberry production
(Elsevier, 2022-07)Soil biodiversity is the driving force behind most soil processes. While potentially improving plant productivity and food quality, it can be negatively affected by land use and soil management. Raspberry production is ... -
Cryptochromes are the dominant photoreceptors mediating heliotropic responses of Arabidopsis inflorescences
(Wiley, 2021-10)Inflorescence movements in response to natural gradients of sunlight are frequently observed in the plant kingdom and are suggested to contribute to reproductive success. Although the physiological and molecular bases of ... -
Forage ofering and seasonal intake comparisons to evaluate European rabbit threat in Nothofagus forests of southern Patagonia
(Springer Nature, 2022-07-05)Background: The European rabbit (Oryctolagus cuniculus L. 1758) was introduced into diferent regions of the world, generating signifcant trade-ofs that critically impacted native vegetation. Here, we evaluate the rabbit’s ... -
Arid and semiarid rangeland responses to non-stationary temporal dynamics of environmental drivers
(Elsevier, 2022-08)Temporal ecology is a growing research field aimed at understanding how temporal dynamics structure ecological systems in a changing environment. Ecosystems are exposed to accelerating environmental changes —mainly driven ... -
Different drought‑adaptive capacity of a native Patagonian tree species (Nothofagus pumilio) resulting from local adaptation
(Springer, 2021-06)The resistance of different genotypes to abiotic stress may be due to genetic effects and/or to phenotypic plasticity allowing them to acclimate to variable conditions. The contribution of one or the other mechanism ... -
Características de las precipitaciones en zonas áridas de la Patagonia norte, Argentina
(Centro Universitario Rosario de Investigaciones Hidroambientales, Universidad Nacional de Rosario, 2022)La precipitación es determinante de múltiples procesos en zonas áridas. Abordar su variabilidad es difícil en áreas extensas y de baja densidad de registros como la Patagonia norte. El objetivo de este trabajo es caracterizar ... -
Características demográficas de la población canina de una ciudad de la Patagonia, Argentina: Implicancias para el manejo de la población canina y la salud humana
(Facultad de Medicina Veterinaria, Universidad Nacional Mayor de San Marcos, 2021)Se investigaron las características demográficas de la población canina, las cualidades del cuidado de los animales y la ocurrencia de mordeduras o accidentes de tránsito a causa de perros en hogares de San Carlos de ... -
Flexible foraging decisions made by workers of the social wasp Vespula germanica (Hymenoptera: Vespidae) in response to different resources: influence of ontogenetic shifts and colony feedback
(Wiley, 2022-04)Decisions made by foraging animals conform a complex process based on the integration of information from multiple external environmental stimuli and internal physiological signals, which in turn are modulated by individual ... -
Temperature and host plant species affect the performance and immunocompetence of an outbreak defoliator in northwestern Patagonia
(Royal Entomological Society, 2022-03)1. Rising temperature has been associated with increased occurrence of herbivorous insect outbreaks, explained by several direct and indirect mechanisms. Whereas natural enemies are known key drivers of forest-defoliating ... -
Optimizing breeding structures and related management in community-based goat breeding programs in the Borana pastoral system of Ethiopia
(Elsevier, 2022)The study simulated different potential breeding programs to design the optimal breeding structure and operational management structure for Borana goat. It evaluated different scenarios using ZPLAN+ software to maximize ... -
Climatic determinants of photosynthetic activity in humid subtropical forests under different forestry activities
(Elsevier, 2022)Forests are key ecosystems providing a variety of contributions to societies that are based on the ecological processes occurring in them. Understanding the relationship between ecological processes and the climate system ... -
El rol de los actores institucionales vinculados a la gestión ambiental y de infraestructura en la región norpatagónica argentino-chilena. Un aporte a las discusiones sobre el desarrollo regional
(Instituto CIFOT, 2013)La región norpatagónica históricamente fue protagonista de procesos conjuntos a ambos lados de la cordillera de Los Andes. Más allá de la presencia de diferentes visiones y objetivos específicos, se plantea en la actualidad ... -
Implementación y resultados de un programa de mejora genética en ovinos
(Ediciones INTA, 2022-04)La raza ovina Ideal o Polwarth originaria de Australia se cría en el centro del Litoral argentino proveyendo ingresos a sus productores a través de la venta de lana y carne. Criadores de esa región, interesados en afinar ... -
Ecosystem services and disservices associated with pastoral systems from Patagonia, Argentina –A review
(EDP Sciences, 2021-11-11)Pastoral systems worldwide secure rural livelihoods in the harshest environments on Earth. Their low productivity per area unit or head makes them the subject of much criticism with regard to their environmental impact, ... -
Manejo nutricional pre y post-destete en crias de cabras angora del norte de la patagonia
(Facultad de Ciencias Veterinarias, Universidad Nacional de La Pampa, 2021-12)En los hatos de cabras Angora en el norte de la región Patagónica, las crías suelen manifestar deficiencias nutricionales desde el nacimiento hasta el destete a los 90 días que se asocian a bajas tasas de señalada y destete, ... -
First report of in vitro resistance of Psoroptes ovis to ivermectin in Argentina
(Elsevier, 2022-04)Sheep scab, or psoroptic mange, a disease caused by the mite Psoroptes ovis, is commonly treated with ivermectin (IVM) and other macrocyclic lactones. In Argentina, in vivo trials have shown a decrease in IVM effectiveness ...