Results 11 to 20 of about 4,999 (213)

Sexual and Age-Related Morphological Variations in the Pelvis of Lama guanicoe guanicoe (Artiodactyla: Camelidae)

open access: yesInternational Journal of Zoology
This study explores the scope of sexual and age-related discrimination in the hemipelvises of Lama guanicoe guanicoe (Müller 1776), a species that lacks postcranial secondary sexual characteristics. Using two-dimensional geometric morphometric techniques,
Anahí Hernández   +2 more
doaj   +2 more sources

Guanacos’ and domestic livestock’s summer diets comparison in ecotone of “Tierra del Fuego” (Argentina) [PDF]

open access: yes, 2018
At present, it is believed that the population of guanacos has increased in the “Isla Grande de Tierra del Fuego”, arising a conflict with livestock and forestry activities.
Alvarenga, Eugenia Celeste   +6 more
core   +1 more source

Análisis palinológico de superficie de hojas y tallos de ítems dietarios de Lama guanicoe (Fam. Camelidae) en Patagonia (Argentina): implicancias en la identificación del origen del polen en coprolitos

open access: yesBoletín de la Sociedad Argentina de Botánica, 2019
Introducción y objetivos: Una de las problemáticas de la copropalinología para estudios de paleodieta es identificar la procedencia del polen que podría deberse a la contaminación polínica del alimento, al beber agua con polen en suspensión, o a ...
Nadia Jimena Velázquez   +1 more
doaj   +1 more source

Drivers of habitat availability for terrestrial mammals: Unravelling the role of livestock, land conversion and intrinsic traits in the past 50 years

open access: yesGlobal Change Biology, Volume 29, Issue 24, Page 6900-6911, December 2023., 2023
This study investigates the impact of habitat degradation on terrestrial mammal species. By comparing historic and current distribution maps for 475 species, we found that 59% of them have less available habitat in their lost ranges, suggesting habitat loss contributed to range declines.
Michela Pacifici   +34 more
wiley   +1 more source

Explotación de materia prima ósea en la pampa de las Lagunas Santafesinas: el sitio laguna El Doce (Provincia de Santa Fe, Argentina) [PDF]

open access: yes, 2015
The aim of this paper is to discuss the exploitation of bone raw material at the Laguna El Doce site, located in the Santa Fe´s Pampa Lagoons (Argentina) and with a chronology that ranges from approximately 8.000 to 1.500 years AP. In this opportunity we
Buc, Natacha   +1 more
core   +2 more sources

Scientific evidence does not support the translocation of guanacos in Argentina

open access: yesConservation Science and Practice, Volume 5, Issue 11, November 2023., 2023
Abstract The Argentinian Ministry of Environment has approved the translocation of 45 guanacos from Southern Patagonia to the Pampas region, a distance of 1500 km, as the initial phase toward future translocations into a National Park located in the Chaco region, another 1600 km further North.
Ulises Balza   +4 more
wiley   +1 more source

Diet composition of guanacos (lama guanicoe) in corazón de la isla reserve, tierra del fuego (argentina): Seasonal utilization of nothofagus spp. [PDF]

open access: yes, 2015
El guanaco (Lama guanicoe) representa una de las especies más características de la fauna de Tierra del Fuego. En bosques ecotonales se ha documentado el daño producido por el guanaco en la regeneración de la Nothofagus pumilio (lenga). Los objetivos del
Arias, Nadia Soledad   +3 more
core   +1 more source

Sweating in the guanaco (Lama guanicoe)

open access: yesJournal of Thermal Biology, 2001
Sweat glands are present all over the skin, where sweat production varies from 4.98 to 73.36gm(-2)h(-1) of skin. Ambient temperatures between 20 and 33 degrees C are the main stimuli for activation of sweat glands, generating a heat loss ranging from 11.9 to 37% of standing basal metabolic rate.
de Lamo, Daniel Alfredo   +2 more
openaire   +3 more sources

Guanacos and isotopic ecology in northern Neuquen: The record from Cueva Huenul 1 [PDF]

open access: yes, 2018
En este trabajo se presentan los primeros resultados de ecología isotópica regional para el extremo norte de la provincia del Neuquén (Argentina). Esta información es clave para la reconstrucción de cambios ecológicos y paleodietas humanas a través del ...
Barberena, Ramiro   +7 more
core   +3 more sources

مطالعه شباهت های ژنتیکی و تجزیه و تحلیل تبارشناختی شترهای تک کوهانه و دوکوهانه ایرانی با هفت گونه اصلی موجود در خانواده شترسانان بر اساس ژنوم میتوکندریایی [PDF]

open access: yesتحقیقات تولیدات دامی
توالی­های ژنوم‌ کامل میتوکندریایی هفت گونه اصلی شترسانان شامل Vicugna vicugna، Lama guanicoe، Vicugna pacos، Lama glama، Camelus ferus، Camelus dromedarius، Camelus bactrianus، چهار شتر تک کوهانه و شش شتر دوکوهانه ایرانی همراه با توالی­های ۱۳ ژن رمزگر ...
مصطفی هاشمی   +4 more
doaj   +1 more source

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