Use of food availability by guanacos (Lama guanicoe) and livestock in Northern Patagonia (Mendoza, Argentina)

Puig, Silvia; Videla, Fernando; Cona, Mónica I.; Monge, Susana

doi:10.1006/jare.2000.0677

Cited by 70 publications

(65 citation statements)

References 17 publications

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“…The most consumed species of trees, shrubs and forbs are also the dominant species in lenga forests, while the most frequently consumed monocotyledoneous plants are the dominant species in open areas (Moore, 1983). Guanacos also exhibited the described dietary f lexibility, which allows them to seasonally alternate between grazing and browsing habits (Puig et al, 1996;Puig et al, 2001;Baldi et al, 2004). For almost the entire year, the guanacos were mainly herbivorous grazers, consuming grasses, grass-like plants and forbs.…”

Section: Discussionmentioning

confidence: 98%

“…Largely a grazer, guanacos also feed upon tree and shrub foliage and even lichens, depending on availability (Raedeke and Simonetti, 1988;Puig et al, 2001;Puig et al, 2011). On Tierra del Fuego Island, at the southernmost tip of its distribution, guanacos have faced competition with sheep (Ovies aries) since the second half of the 19th century.…”

Section: Introductionmentioning

confidence: 99%

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Diet of guanaco in sheep-free rangeland in Tierra del Fuego, Chile

Muñoz

Simonetti

2013

Cienc. Inv. Agr.

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A.E. Muñoz, and J.A. Simonetti. 2013. Diet of guanaco in sheep-free rangeland in Tierra del Fuego, Chile. Cien. Inv. Agr. 40(1):185-191. Guanaco (Lama guanicoe), the only native ungulate of Tierra del Fuego, uses the forests more extensively after the introduction of sheep. It is presumed that the regeneration of lenga (Nothofagus pumilio) is hampered by guanaco browsing. In this context, the diet of guanaco in Tierra del Fuego was evaluated through a microhistological analysis of feces in a livestock-free area dominated by lenga forest. Guanacos behaved largely as herbivorous grazers and exhibited seasonal variations in their grazing habits. Compared to other studies in Tierra del Fuego, which were conducted in areas where sheep and guanaco grazed together, we reported that the guanacos avoided and consumed fewer trees. These results have management implications, as the proper management of livestock could reduce the potential effects of the guanacos upon the lenga forests.

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Section: Discussionmentioning

confidence: 98%

Section: Introductionmentioning

confidence: 99%

Diet of guanaco in sheep-free rangeland in Tierra del Fuego, Chile

Muñoz

Simonetti

2013

Cienc. Inv. Agr.

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“…Previous studies in the dry Andes found that guanaco and livestock diets overlap, as both prefer to graze on meadows including perennial grasses such as Deyeuxia spp. (Puig et al, 2001(Puig et al, , 2011. Despite guanacos being rarely present in the studied meadows and campsites, they can become more habituated to humans if there is no poaching (Malo et al, 2011).…”

Section: Discussionmentioning

confidence: 99%

Effects of Recreational Traffic on Alpine Plant Communities in the Northern Canadian Rockies

Crisfield

Macdonald

Gould

2012

Arctic, Antarctic, and Alpine Research

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“…This technique has been used in different species of herbivores such as capybara (Hydrochaeris hydrochaeris) (Quintana et al, 1994), chinchilla (Lagidium viscacia) , vizcacha (Lagostomus maximus) (Navarro et al, 1997;Kufner and Monk, 1998), nutria (Myocastor coypus) (Borgnia et al, 2000), guanacos (Lama guanicoe) (Puig et al, 2001) and Amazon manatee (Trichechus inunguis) (Colares and Colares, 2002). The capybara (Hydrochoerus hydrochaeris Linnaeus 1766) is a wild herbivore, considered the largest rodent.…”

Section: Introductionmentioning

confidence: 99%