Results 51 to 60 of about 803 (171)

Meteorización ósea en restos de guanaco y ñandú

open access: yesArqueologia, 2016
La meteorización es una variable ampliamente utilizada en los análisis zooarqueológicos y tafonómicos, dada su utilidad para evaluar la integridad y el contexto de depositación de los materiales arqueológicos. En este artículo presentamos los resultados
María A. Gutiérrez   +4 more
doaj   +1 more source

Change of niche in guanaco (Lama guanicoe): the effects of climate change on habitat suitability and lineage conservatism in Chile [PDF]

open access: yesPeerJ, 2018
Background The main goal of this contribution was to define the ecological niche of the guanaco (Lama guanicoe), to describe potential distributional changes, and to assess the relative importance of niche conservatism and divergence processes between ...
Andrea G. Castillo   +3 more
doaj   +2 more sources

Growth and reworking of freshwater microbially‐mediated carbonates in wind‐stressed lake margins (Lago Sarmiento, Southern Patagonia)

open access: yesSedimentology, Volume 73, Issue 3, Page 706-741, April 2026.
ABSTRACT Understanding the biotic and abiotic influences on the deposition and diagenesis of recent microbial carbonates is crucial for addressing the environmental and ecological significance of ancient organosedimentary structures. This study investigates these factors and their expression in the microstructure of Holocene tufa thrombolites from a ...
Paulo Quezada   +10 more
wiley   +1 more source

Skin histological structure of South American camel

open access: yesCiencia Veterinaria, 2017
It was described the histological and cytological characteristics of the skin of the guanaco (Lama guanicoe), llama (L. glama), vicuna (V. vicugna) and crosses of guanaco and llama of first generation.
Daniel Vicente Lacolla   +3 more
doaj  

Density but not climate affects the population growth rate of guanacos (Lama guanicoe) (Artiodactyla, Camelidae) [v2; ref status: indexed, http://f1000r.es/3h1]

open access: yesF1000Research, 2014
We analyzed the effects of population density and climatic variables on the rate of population growth in the guanaco (Lama guanicoe), a wild camelid species in South America.
María Zubillaga   +3 more
doaj   +1 more source

Camel Milk as a Functional Food: Nutritional Composition, Health‐Promoting Benefits, and Safety Considerations

open access: yesFood Science &Nutrition, Volume 14, Issue 3, March 2026.
Camel milk contains low lactose, unique casein proteins, high vitamin contents, and diverse bioactive compounds that support metabolic health, immune function, organ protection, gut health, physical development, and brain function. Its benefits are mediated through antioxidant, anti‐inflammatory, insulin‐like effects, and immunomodulatory mechanisms ...
Gudisa Bereda   +2 more
wiley   +1 more source

Aprovechamiento integral de guanacos en Península Valdés, prov. del Chubut: Estudio arqueofaunístico del sitio la Armonía (Muestreo 2)

open access: yesIntersecciones en Antropología, 2002
Se presentan los resultados del análisis arqueofaunístico de los restos óseos de guanaco recogidos en el Muestreo 2 del sitio de superficie "La Armonía", ubicado en una hoyada entre médanos a trescientos metros del mar en la costa del golfo San Matías ...
Julieta Gómez Otero   +2 more
doaj  

Challenges and opportunities in mitigating sarcoptic mange in wild South American camelids

open access: yesThe Journal of Wildlife Management, Volume 90, Issue 1, January 2026.
Wild South American camelids—vicuña and guanaco—face threats from sarcoptic mange, a contagious skin disease linked to severe population declines. Despite its impact, major gaps remain in understanding disease dynamics. This review summarizes current knowledge, identifies key data and management gaps, and outlines urgent actions for effective ...
Alynn M. Martin   +13 more
wiley   +1 more source

Guanaco colonisation of Tierra del Fuego Island from mainland Patagonia: Walked, swam, or by canoe?

open access: yesGeo: Geography and Environment, 2022
Addressed here is the biogeographical‐vexing question of why the guanaco (Lama guanicoe) is the only large mammal on the big island of Tierra del Fuego, answered by comparing alternative colonisation hypotheses.
William L. Franklin
doaj   +1 more source

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

open access: yesInternational Journal of Zoology, Volume 2026, Issue 1, 2026.
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, changes in shape and size of the coxae bones from 50 individuals of both sexes and varying ...
Anahí Hernández   +3 more
wiley   +1 more source

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