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Mostrando ítems 1-20 de 23
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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 ... -
Fibre quality of South American camelids in Argentina: a review
(FAO, 2015)Argentina’s annual camelidfibre production is estimated at 60 000 kg for llama (Lama glama), somewhat more than 2 000 kg for gua-naco (Lama guanicoe) and about 845 kg for vicuña (Vicugna vicugna). The potential for increasing ... -
First mitochondrial and nuclear DNA sequences of Lamanema chavezi (Nematoda: Molineidae) : novel findings to improve its identification in feces from South American camelids
(Elsevier, 2018-10-16)Lamanema chavezi (Family Molineidae) is a parasitic nematode of South American camelids (SACs). A few studies have reported this parasite in SACs, mainly in domestic camelid species (llama and alpaca). Parasite identification ... -
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 ... -
Holistic versus continuous grazing in Patagonia: A station-scale case study of plant and animal production
(Elsevier, 2021-01)We compared animal and vegetation responses of a 13 600-ha area under holistic grazing management (HGM) with a similar area under continuous grazing (CGM) in a Patagonian station. Limitations were a dry 2012 −2016 experimental ... -
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 esquila guanacos silvestres en la Meseta de Somuncura. Bajo el Zonzo – El Tunal
(EEA Valle Inferior, 2014-12-10)Se debe realizar un análisis profundo del diseño de la infraestructura y trabajar más fuertemente en el hecho de concientizar sobre la importancia de bajar mayor cantidad de metros de mangas, evitando así el acostumbramiento ... -
Informe técnico. Faena de Guanacos
(SENASA, 2018-06-08)En Río Gallegos, provincia de Santa Cruz, el día 08 de junio de 2018 se realizó en el Establecimiento Oficial N° 2553, Frigorífico Faimali SA, la faena de guanaco como pieza de caza mayor silvestre en el marco de la ... -
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 ... -
Remotely‐sensed primary productivity shows that domestic and native herbivores combined are overgrazing Patagonia
(Wiley; British Ecological Society, 2019-04)1.Carrying capacity is the maximum animal density an area can sustain without deterioration of its resources. Overgrazing has degraded Patagonia, but sheep stocks decreased and gave way to mixed systems with cattle, goats ...