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Artículo

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

Fernández Pepi, María GabrielaIcon ; Moretto, Alicia SusanaIcon ; Arriaga, Mirta OlgaIcon ; Alvarenga, Eugenia CelesteIcon ; Stampacchio, Monica LilianaIcon ; Escobar, Julio MartinIcon ; Zucol, Alejandro FabiánIcon
Fecha de publicación: 09/2018
Editorial: MedCrave Group
Revista: Biodiversity International Journal
ISSN: 2575-906X
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Conservación de la Biodiversidad

Resumen

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. The aim of this study was to evaluate the use of the guanaco’s food resources, taking into account the presence of different types of domestic livestock, in order to provide a tool which will enable the evaluation of environmental management projects. We conducted the study in different areas, considering the presence/absence of domestic livestock and of guanaco. The diet was analyzed by identifying botanical remains present in the pretreated feces. The relative frequencies of ingested taxa were obtained and analyzed according to their functional groups, being the soft, herbaceous and graminoid grasses the most consumed, where the soft grasses were the most frequently ingested. Tree species only appear in diets of guanacos, in a low frequency, compared to other forms of life. In the case of soft grasses, forbs and Graminoides, the diets differ according to ingested species and intake frequency. These results allow us to establish that the guanaco selects the items to be consumed, changing its diet based on the presence of other herbivores, and has a trophic overlap with domestic livestock, mainly with sheep.
Palabras clave: Hherbivory , Trophic Overlap , Lama Guanicoe , Vegetal Microremain
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/80133
URL: https://medcraveonline.com/BIJ/BIJ-02-00095.php
DOI: http://dx.doi.org/10.15406/bij.2018.02.00095
Colecciones
Articulos(CADIC)
Articulos de CENTRO AUSTRAL DE INVESTIGACIONES CIENTIFICAS
Articulos(CICYTTP)
Articulos de CENTRO DE INV.CIENT.Y TRANSFERENCIA TEC A LA PROD
Articulos(MACNBR)
Articulos de MUSEO ARG.DE CS.NAT "BERNARDINO RIVADAVIA"
Citación
Fernández Pepi, María Gabriela; Moretto, Alicia Susana; Arriaga, Mirta Olga; Alvarenga, Eugenia Celeste; Stampacchio, Monica Liliana; et al.; Guanacos’ and domestic livestock’s summer diets comparison in ecotone of “Tierra del Fuego” (Argentina); MedCrave Group; Biodiversity International Journal; 2; 5; 9-2018; 425-431
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