Diets of plains vizcacha, greater rhea and cattle in Argentina

Food habits of plains vizcacha (Lagostomus maximus), greater rhea (Rhea americana) and cattle (Bos taurus) in the Paraná River Delta, Argentina, were studied over 2 years using microhistological analysis of faeces. This was the first study of feeding habits of these herbivores grazing in common in a...

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Publicado:	2003
Materias:	Diet composition Herbivory Lagostomus maximus Paraná River Delta Rhea americana cattle dietary overlap herbivory rangeland Argentina Parana River Delta Acmella decumbens Bos Bos taurus Dichondra Dichondra microcalyx Luziola peruviana Panicum Panicum milioides Plantago Plantago myosuros Poaceae Prosopis Prosopis nigra Rhea Solanum Spilanthes Spilanthes stolonifera Vertebrata
Acceso en línea:	https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0022409X_v56_n1_p13_Pereira http://hdl.handle.net/20.500.12110/paper_0022409X_v56_n1_p13_Pereira
Aporte de:	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

id	paper:paper_0022409X_v56_n1_p13_Pereira
record_format	dspace
spelling	paper:paper_0022409X_v56_n1_p13_Pereira2023-06-08T14:50:50Z Diets of plains vizcacha, greater rhea and cattle in Argentina Diet composition Herbivory Lagostomus maximus Paraná River Delta Rhea americana cattle dietary overlap herbivory rangeland Argentina Parana River Delta Acmella decumbens Bos Bos taurus Bos taurus Dichondra Dichondra microcalyx Lagostomus maximus Lagostomus maximus Luziola peruviana Luziola peruviana Panicum Panicum milioides Panicum milioides Plantago Plantago myosuros Plantago myosuros Poaceae Prosopis Prosopis nigra Prosopis nigra Rhea Rhea americana Rhea americana Solanum Solanum Spilanthes Spilanthes stolonifera Vertebrata Food habits of plains vizcacha (Lagostomus maximus), greater rhea (Rhea americana) and cattle (Bos taurus) in the Paraná River Delta, Argentina, were studied over 2 years using microhistological analysis of faeces. This was the first study of feeding habits of these herbivores grazing in common in a wetland of Argentina. Poaceae was the main diet component throughout the year for all 3 herbivores, with the exception of spring and summer, when greater rhea consumed a higher proportion of Prosopis nigra (Griseb.) pods. Botanical composition of plains vizcacha and cattle diets was generally similar for the same season but different from that of greater rhea. Panicum milioides Nees., Dichondra microcalyx (Hallier) Fabris. and P. nigra were the most consumed species for vizcacha, while P. nigra, Plantago myosuros Lam., Solanum sp. L., Spilanthes stolonifera (H. et A.) Baker and D. microcalyx dominated the greater rhea diet. The species most consumed by cattle were Luziola peruviana Gmel. and P. milioides. Similarities between the diets of plains vizcacha and cattle seem to support the ranchers' view that vizcachas compete with domestic herbivores for forage. However, high overlap in food habits would result in competition only if forage is scarce. Greater rhea and cattle have different foraging patterns and hunting of greater rhea is not justified solely on the basis of forage competition with cattle. 2003 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0022409X_v56_n1_p13_Pereira http://hdl.handle.net/20.500.12110/paper_0022409X_v56_n1_p13_Pereira
institution	Universidad de Buenos Aires
institution_str	I-28
repository_str	R-134
collection	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic	Diet composition Herbivory Lagostomus maximus Paraná River Delta Rhea americana cattle dietary overlap herbivory rangeland Argentina Parana River Delta Acmella decumbens Bos Bos taurus Bos taurus Dichondra Dichondra microcalyx Lagostomus maximus Lagostomus maximus Luziola peruviana Luziola peruviana Panicum Panicum milioides Panicum milioides Plantago Plantago myosuros Plantago myosuros Poaceae Prosopis Prosopis nigra Prosopis nigra Rhea Rhea americana Rhea americana Solanum Solanum Spilanthes Spilanthes stolonifera Vertebrata
spellingShingle	Diet composition Herbivory Lagostomus maximus Paraná River Delta Rhea americana cattle dietary overlap herbivory rangeland Argentina Parana River Delta Acmella decumbens Bos Bos taurus Bos taurus Dichondra Dichondra microcalyx Lagostomus maximus Lagostomus maximus Luziola peruviana Luziola peruviana Panicum Panicum milioides Panicum milioides Plantago Plantago myosuros Plantago myosuros Poaceae Prosopis Prosopis nigra Prosopis nigra Rhea Rhea americana Rhea americana Solanum Solanum Spilanthes Spilanthes stolonifera Vertebrata Diets of plains vizcacha, greater rhea and cattle in Argentina
topic_facet	Diet composition Herbivory Lagostomus maximus Paraná River Delta Rhea americana cattle dietary overlap herbivory rangeland Argentina Parana River Delta Acmella decumbens Bos Bos taurus Bos taurus Dichondra Dichondra microcalyx Lagostomus maximus Lagostomus maximus Luziola peruviana Luziola peruviana Panicum Panicum milioides Panicum milioides Plantago Plantago myosuros Plantago myosuros Poaceae Prosopis Prosopis nigra Prosopis nigra Rhea Rhea americana Rhea americana Solanum Solanum Spilanthes Spilanthes stolonifera Vertebrata
description	Food habits of plains vizcacha (Lagostomus maximus), greater rhea (Rhea americana) and cattle (Bos taurus) in the Paraná River Delta, Argentina, were studied over 2 years using microhistological analysis of faeces. This was the first study of feeding habits of these herbivores grazing in common in a wetland of Argentina. Poaceae was the main diet component throughout the year for all 3 herbivores, with the exception of spring and summer, when greater rhea consumed a higher proportion of Prosopis nigra (Griseb.) pods. Botanical composition of plains vizcacha and cattle diets was generally similar for the same season but different from that of greater rhea. Panicum milioides Nees., Dichondra microcalyx (Hallier) Fabris. and P. nigra were the most consumed species for vizcacha, while P. nigra, Plantago myosuros Lam., Solanum sp. L., Spilanthes stolonifera (H. et A.) Baker and D. microcalyx dominated the greater rhea diet. The species most consumed by cattle were Luziola peruviana Gmel. and P. milioides. Similarities between the diets of plains vizcacha and cattle seem to support the ranchers' view that vizcachas compete with domestic herbivores for forage. However, high overlap in food habits would result in competition only if forage is scarce. Greater rhea and cattle have different foraging patterns and hunting of greater rhea is not justified solely on the basis of forage competition with cattle.
title	Diets of plains vizcacha, greater rhea and cattle in Argentina
title_short	Diets of plains vizcacha, greater rhea and cattle in Argentina
title_full	Diets of plains vizcacha, greater rhea and cattle in Argentina
title_fullStr	Diets of plains vizcacha, greater rhea and cattle in Argentina
title_full_unstemmed	Diets of plains vizcacha, greater rhea and cattle in Argentina
title_sort	diets of plains vizcacha, greater rhea and cattle in argentina
publishDate	2003
url	https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0022409X_v56_n1_p13_Pereira http://hdl.handle.net/20.500.12110/paper_0022409X_v56_n1_p13_Pereira
_version_	1768546572690259968

Diets of plains vizcacha, greater rhea and cattle in Argentina

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