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Mostrando ítems 1-17 de 17
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Are there different vigilance strategies between types of social units in Lama guanicoe?
(Elsevier, 2019-10)Group vigilance is a cooperative behaviour in social species that reduces individual risk of predation. Lama guanicoe is a social species of camelid performing cooperative vigilance, but little is known about the vigilance ... -
Campo Experimental Potrok Aike : informe de actividades
(EEA Santa Cruz, INTA, 2022-12)El Campo Experimental Potrok Aike dependiente desde 1985 del INTA EEA Santa Cruz, está ubicado en el extremo Sur de la Patagonia continental a 107 Km al SO de la ciudad de Río Gallegos, en el área ecológica de la Estepa ... -
Controversies and Common Ground in Wild and Domestic Fine Fiber Production in Argentina
(Frontiers Media, 2021-03)This work analyzes possible obstacles to developing new products or old merchandise using an innovative method. It will look into stakeholders of fine fiber and meat products from three distinctive socioecological systems. ... -
Desarrollo de la regeneración a lo largo del ciclo del manejo forestal de un bosque de Nothofagus pumilio: 2. Incidencia del ramoneo de Lama guanicoe
(Facultad de Ciencias Forestales y Recursos Naturales, Universidad Austral de Chile, 1999)Los Nothofagus presentan inconvenientes para regenerarse cuando son sometidos a disturbios sistemáticos y permanentes, como lo es el sobrepastoreo. Los bosques de Tierra del Fuego, libres de ganado vacuno, son afectados ... -
Efectos del pastoreo de animales silvestres y domésticos sobre la regeneración de pastizales de la estepa patagónica
(Facultad de Agronomía, Universidad de Buenos Aires, 2019)El pastoreo representa un factor clave de la estructura y el funcionamiento de las comunidades de pastizal. Los pastizales naturales de zonas áridas y semiáridas son la fuente principal de forraje que sostiene a los ... -
Effect of population density on diet composition and dietary niche breadth of guanaco (Lama guanicoe, Müller 1776) in northeastern Patagonian steppes
(Elsevier, 2019-11)The optimal foraging theory postulates that as animal population density increases, the progressive decline in preferred forage availability results in changes in diet composition and widening of dietary niche breadth. For ... -
Effectiveness of fencing and hunting to control Lama guanicoe browsing damage: Implications for Nothofagus pumilio regeneration in harvested forests
(2016-03-01)Browsing damage by native ungulates is often to be considered one of the reasons of regeneration failure in Nothofagus pumilio silvicultural systems. Fencing and hunting in forests at regeneration phase have been proposed ... -
Enfermedades de ovinos, caprinos y camélidos sudamericanos
(Ediciones INTA, 2018)En el año 2009, en el marco de la entonces Área Estratégica de Salud Animal del INTA, se inicia el proyecto AESA N° 3596 enfocado a estudair las Enfermedades de ovinos, caprinos y camélidos y que a partir del año 2013 ya ... -
Guanaco abundance and monitoring in Southern Patagonia: distance sampling reveals substantially greater numbers than previously reported
(Springer, 2015-12)Background: Guanacos (Lama guanicoe) are thought to have declined in Patagonia mainly as a result of hunting and sheep ranching. Currently accepted estimates of total population size are extrapolated from densities obtained ... -
Hepatitis parasitaria por Lamanema chavezi en guanacos (Lama guanicoe) faenados en la Provincia de Santa Cruz, Argentina
(Sociedad de Medicina Veterinaria, 2020-01)Durante la zafra 2017-18 en un frigorífico de la localidad de Río Gallegos, Argentina, se detectaron lesiones en hígados de guanacos (Lama guanicoe) a la faena. Con el fin de caracterizar y determinar la causa de las ... -
Influencia de los daños por guanaco y abióticos sobre el crecimiento de la regeneración en bosques cosechados de lenga en Tierra del Fuego
(INTA - CIEFAP, 2016-11-09)Los bosques de lenga (Nothofagus pumilio) son cosechados mediante diferentes propuestas que abren el dosel permitiendo la instalación y el rápido desarrollo de la regeneración natural. En los primeros años pueden ser ... -
Informe técnico. Faena de guanacos octubre de 2017.
(Servicio Nacional de Sanidad y Calidad Agroalimentaria (SENASA), 2018)En Río Gallegos, provincia de Santa Cruz, en el mes de Octubre de 2017 se realizó en el Establecimiento Oficial N° 2553, Frigorífico Faimal i S.A., la faena de guanaco como pieza de caza mayor silvestre en el marco de la ... -
Linking diet quality and energy demand in free‐living guanacos: an eco‐physiological innovative approach
(Wiley, 2019-04-18)In adaptive terms, animals are subject to challenges imposed by their environment. To address physiological patterns in wild mammals, the non‐invasive study of glucocorticoid hormones has become the main approach through ... -
Male aggressiveness in a polygynous ungulate varies with social and ecological context
(Wiley, 2021-01)Aggression is a social behaviour which can be affected by numerous factors. The quality and quantity of food resources may play an important role in the aggressiveness of territorial ungulates as the defence of these ... -
Reproductive flexibility in South American camelids: First records of alternative mating tactics in wild guanacos (Lama guanicoe) = Flexibilidad reproductiva en camélidos sudamericanos: Primeros registros de tácticas de apareamiento alternativas en guanacos silvestres (Lama guanicoe)
(Sociedad Argentina para el Estudio de los Mamíferos (SAREM), 2020-06)Intraspecific variation in mating behavior has been documented in diverse taxa, including ungulates. Here, we report and describe for the first time the existence of alternative mating tactics in a wild guanaco (Lama ... -
Seasonal diet of Lama guanicoe (Camelidae: Artiodactyla) in a heterogeneous landscape of South Patagonia = Dieta estacional de Lama guanicoe (Camelidae: Artiodactyla) en un paisaje heterogéneo de Patagonia Sur
(Universidad Austral de Chile, Facultad de Ciencias Forestales, 2013)Large diversity of habitat types, plant species assemblages, and silvopastoral activities in Nothofagus spp. forests condition the food availability for native herbivores. This work evaluates the seasonal diet of Lama ... -
Where are the males? The influence of bottom-up and top-down factors and sociability on the spatial distribution of a territorial ungulate
(Springer, 2022-01)The factors that regulate the abundance and distribution of wild herbivores are key components of a species’ ecology and include bottom-up and top-down mechanisms, as well as aspects related to social organization. In ...