Food preferences of guanaco (Lama guanicoe cacsilensis) and its competence with cattle in the Calipuy National Reserve, Peru
Descripción del Articulo
The objective of this research was to determine the degree of food competition between guanaco and livestock in Calipuy National Reserve. Vegetation cover (CV) was determined by a survey of vegetation and composition of diets using a micro histological technique of feces (50 guanacos, 35 cows and 25...
| Autores: | , , , , , |
|---|---|
| Formato: | artículo |
| Fecha de Publicación: | 2010 |
| Institución: | Universidad Nacional de Trujillo |
| Repositorio: | Revista UNITRU - Scientia Agropecuaria |
| Lenguaje: | español |
| OAI Identifier: | oai:ojs.revistas.unitru.edu.pe:article/44 |
| Enlace del recurso: | http://revistas.unitru.edu.pe/index.php/scientiaagrop/article/view/44 |
| Nivel de acceso: | acceso abierto |
| Materia: | Food preference competence guanaco cattle Calipuy National Reserve Preferencia alimentaria competencia ganado Reserva Nacional de Calipuy |
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Revista UNITRU - Scientia Agropecuaria |
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Food preferences of guanaco (Lama guanicoe cacsilensis) and its competence with cattle in the Calipuy National Reserve, PeruPreferencias alimenticias del guanaco (Lama guanicoe cacsilensis) y su competencia con el ganado doméstico en la Reserva Nacional de Calipuy, PerúLinares, LuisLinares, VirginiaMendoza, GilmarPeláez, FreddyRodríguez, EricPhum, CarlosFoodpreferencecompetenceguanacocattleCalipuy National ReservePreferencia alimentariaguanacocompetenciaganadoReserva Nacional de CalipuyThe objective of this research was to determine the degree of food competition between guanaco and livestock in Calipuy National Reserve. Vegetation cover (CV) was determined by a survey of vegetation and composition of diets using a micro histological technique of feces (50 guanacos, 35 cows and 25 horses). The dietary overlap was determined by Horn Index (I), food preferences by Ivlev index (E) and the diet diversity by Shannon-Weaver index (D) .We found a low - moderate food competition between the guanaco and the cattle and horses. The dietary overlap was greater during the rainy season (I=0.80 and 0.88) where forage supply was high (CV=63%) and lower during the dry season (R=0.58 and 0.64) when there were shortages of food (CV=50%). The guanaco was an intermediate selective consumer. The dietary diversity of adults increased during the dry season (D=0.62, p<0.01) including up to 70% of herbs and shrubs, showing a high flexibility in food between seasons (I=0.64) and habitats (I=0.75, p<0.01), which allowed it to minimize competition with cattle and horses, which consumed mainly grasses in both seasons (>60%) and did not show the same flexibility (I=0.90, p<0.01). Chulengos and juveniles were more sensitive to seasonal variations, its consuming a lower percentage of shrubs, but had a strong preference for small herbs.El objetivo de esta investigación fue determinar el grado de competencia alimentaria entre el guanaco y el ganado doméstico en la Reserva Nacional de Calipuy. La cobertura vegetal (CV) se determinó con un censo de vegetación y la composición de las dietas mediante la técnica microhistológica de las heces (50 guanacos, 35 vacunos y 25 equinos). La sobreposición dietaria se determinó mediante el Índice de Horn (I), las preferencias alimentarias mediante el índice de Ivlev (E), y la diversidad de la dieta con índice de Shannon-Weaver (D). Se encontró una baja-moderada competencia alimentaria entre el guanaco y el ganado bovino y equino. La sobreposición dietaria fue mayor durante la época lluviosa (I =0. 80 y 0.88) en que la oferta de forraje fue alta (CV= 63%); y menor durante la época seca (I=0.58 y 0.64) en que hubo escasez de alimento (CV=50%). El guanaco fue un consumidor selectivo intermedio. La diversidad dietaria de los adultos aumentó durante la época seca (D = 0.62; p<0.01) incluyendo hasta un 70% de hierbas y arbustos, mostrando una alta flexibilidad alimentaria entre estaciones (I=0.64) y hábitats (I=0.75, p<0.01), lo que le permitió minimizar la competencia con el ganado bovino y equino, que consumió principalmente gramíneas en ambas estaciones (>60%) y no mostró la misma flexibilidad (I=0.90, p<0.01). Los juveniles y los chulengos fueron más sensibles a las variaciones estacionales, consumiendo un menor porcentaje de arbustos pero tuvieron una preferencia marcada por las hierbas bajas.Universidad Nacional de Trujillo2010-12-25info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttp://revistas.unitru.edu.pe/index.php/scientiaagrop/article/view/4410.17268/sci.agropecu.2010.04.06Scientia Agropecuaria; Vol. 1 No. 3 y 4 (2010): July - December; 225-234Scientia Agropecuaria; Vol. 1 Núm. 3 y 4 (2010): Julio - Diciembre; 225-2342306-67412077-9917reponame:Revista UNITRU - Scientia Agropecuariainstname:Universidad Nacional de Trujilloinstacron:UNITRUspahttp://revistas.unitru.edu.pe/index.php/scientiaagrop/article/view/44/47Derechos de autor 2010 Scientia Agropecuariainfo:eu-repo/semantics/openAccess2021-06-01T15:35:14Zmail@mail.com - |
| dc.title.none.fl_str_mv |
Food preferences of guanaco (Lama guanicoe cacsilensis) and its competence with cattle in the Calipuy National Reserve, Peru Preferencias alimenticias del guanaco (Lama guanicoe cacsilensis) y su competencia con el ganado doméstico en la Reserva Nacional de Calipuy, Perú |
| title |
Food preferences of guanaco (Lama guanicoe cacsilensis) and its competence with cattle in the Calipuy National Reserve, Peru |
| spellingShingle |
Food preferences of guanaco (Lama guanicoe cacsilensis) and its competence with cattle in the Calipuy National Reserve, Peru Linares, Luis Food preference competence guanaco cattle Calipuy National Reserve Preferencia alimentaria guanaco competencia ganado Reserva Nacional de Calipuy |
| title_short |
Food preferences of guanaco (Lama guanicoe cacsilensis) and its competence with cattle in the Calipuy National Reserve, Peru |
| title_full |
Food preferences of guanaco (Lama guanicoe cacsilensis) and its competence with cattle in the Calipuy National Reserve, Peru |
| title_fullStr |
Food preferences of guanaco (Lama guanicoe cacsilensis) and its competence with cattle in the Calipuy National Reserve, Peru |
| title_full_unstemmed |
Food preferences of guanaco (Lama guanicoe cacsilensis) and its competence with cattle in the Calipuy National Reserve, Peru |
| title_sort |
Food preferences of guanaco (Lama guanicoe cacsilensis) and its competence with cattle in the Calipuy National Reserve, Peru |
| dc.creator.none.fl_str_mv |
Linares, Luis Linares, Virginia Mendoza, Gilmar Peláez, Freddy Rodríguez, Eric Phum, Carlos |
| author |
Linares, Luis |
| author_facet |
Linares, Luis Linares, Virginia Mendoza, Gilmar Peláez, Freddy Rodríguez, Eric Phum, Carlos |
| author_role |
author |
| author2 |
Linares, Virginia Mendoza, Gilmar Peláez, Freddy Rodríguez, Eric Phum, Carlos |
| author2_role |
author author author author author |
| dc.subject.none.fl_str_mv |
Food preference competence guanaco cattle Calipuy National Reserve Preferencia alimentaria guanaco competencia ganado Reserva Nacional de Calipuy |
| topic |
Food preference competence guanaco cattle Calipuy National Reserve Preferencia alimentaria guanaco competencia ganado Reserva Nacional de Calipuy |
| dc.description.none.fl_txt_mv |
The objective of this research was to determine the degree of food competition between guanaco and livestock in Calipuy National Reserve. Vegetation cover (CV) was determined by a survey of vegetation and composition of diets using a micro histological technique of feces (50 guanacos, 35 cows and 25 horses). The dietary overlap was determined by Horn Index (I), food preferences by Ivlev index (E) and the diet diversity by Shannon-Weaver index (D) .We found a low - moderate food competition between the guanaco and the cattle and horses. The dietary overlap was greater during the rainy season (I=0.80 and 0.88) where forage supply was high (CV=63%) and lower during the dry season (R=0.58 and 0.64) when there were shortages of food (CV=50%). The guanaco was an intermediate selective consumer. The dietary diversity of adults increased during the dry season (D=0.62, p<0.01) including up to 70% of herbs and shrubs, showing a high flexibility in food between seasons (I=0.64) and habitats (I=0.75, p<0.01), which allowed it to minimize competition with cattle and horses, which consumed mainly grasses in both seasons (>60%) and did not show the same flexibility (I=0.90, p<0.01). Chulengos and juveniles were more sensitive to seasonal variations, its consuming a lower percentage of shrubs, but had a strong preference for small herbs. El objetivo de esta investigación fue determinar el grado de competencia alimentaria entre el guanaco y el ganado doméstico en la Reserva Nacional de Calipuy. La cobertura vegetal (CV) se determinó con un censo de vegetación y la composición de las dietas mediante la técnica microhistológica de las heces (50 guanacos, 35 vacunos y 25 equinos). La sobreposición dietaria se determinó mediante el Índice de Horn (I), las preferencias alimentarias mediante el índice de Ivlev (E), y la diversidad de la dieta con índice de Shannon-Weaver (D). Se encontró una baja-moderada competencia alimentaria entre el guanaco y el ganado bovino y equino. La sobreposición dietaria fue mayor durante la época lluviosa (I =0. 80 y 0.88) en que la oferta de forraje fue alta (CV= 63%); y menor durante la época seca (I=0.58 y 0.64) en que hubo escasez de alimento (CV=50%). El guanaco fue un consumidor selectivo intermedio. La diversidad dietaria de los adultos aumentó durante la época seca (D = 0.62; p<0.01) incluyendo hasta un 70% de hierbas y arbustos, mostrando una alta flexibilidad alimentaria entre estaciones (I=0.64) y hábitats (I=0.75, p<0.01), lo que le permitió minimizar la competencia con el ganado bovino y equino, que consumió principalmente gramíneas en ambas estaciones (>60%) y no mostró la misma flexibilidad (I=0.90, p<0.01). Los juveniles y los chulengos fueron más sensibles a las variaciones estacionales, consumiendo un menor porcentaje de arbustos pero tuvieron una preferencia marcada por las hierbas bajas. |
| description |
The objective of this research was to determine the degree of food competition between guanaco and livestock in Calipuy National Reserve. Vegetation cover (CV) was determined by a survey of vegetation and composition of diets using a micro histological technique of feces (50 guanacos, 35 cows and 25 horses). The dietary overlap was determined by Horn Index (I), food preferences by Ivlev index (E) and the diet diversity by Shannon-Weaver index (D) .We found a low - moderate food competition between the guanaco and the cattle and horses. The dietary overlap was greater during the rainy season (I=0.80 and 0.88) where forage supply was high (CV=63%) and lower during the dry season (R=0.58 and 0.64) when there were shortages of food (CV=50%). The guanaco was an intermediate selective consumer. The dietary diversity of adults increased during the dry season (D=0.62, p<0.01) including up to 70% of herbs and shrubs, showing a high flexibility in food between seasons (I=0.64) and habitats (I=0.75, p<0.01), which allowed it to minimize competition with cattle and horses, which consumed mainly grasses in both seasons (>60%) and did not show the same flexibility (I=0.90, p<0.01). Chulengos and juveniles were more sensitive to seasonal variations, its consuming a lower percentage of shrubs, but had a strong preference for small herbs. |
| publishDate |
2010 |
| dc.date.none.fl_str_mv |
2010-12-25 |
| dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
| format |
article |
| status_str |
publishedVersion |
| dc.identifier.none.fl_str_mv |
http://revistas.unitru.edu.pe/index.php/scientiaagrop/article/view/44 10.17268/sci.agropecu.2010.04.06 |
| url |
http://revistas.unitru.edu.pe/index.php/scientiaagrop/article/view/44 |
| identifier_str_mv |
10.17268/sci.agropecu.2010.04.06 |
| dc.language.none.fl_str_mv |
spa |
| language |
spa |
| dc.relation.none.fl_str_mv |
http://revistas.unitru.edu.pe/index.php/scientiaagrop/article/view/44/47 |
| dc.rights.none.fl_str_mv |
Derechos de autor 2010 Scientia Agropecuaria info:eu-repo/semantics/openAccess |
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Derechos de autor 2010 Scientia Agropecuaria |
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openAccess |
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application/pdf |
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Universidad Nacional de Trujillo |
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Universidad Nacional de Trujillo |
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Scientia Agropecuaria; Vol. 1 No. 3 y 4 (2010): July - December; 225-234 Scientia Agropecuaria; Vol. 1 Núm. 3 y 4 (2010): Julio - Diciembre; 225-234 2306-6741 2077-9917 reponame:Revista UNITRU - Scientia Agropecuaria instname:Universidad Nacional de Trujillo instacron:UNITRU |
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Revista UNITRU - Scientia Agropecuaria |
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Universidad Nacional de Trujillo |
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UNITRU |
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UNITRU |
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mail@mail.com |
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La información contenida en este registro es de entera responsabilidad de la institución que gestiona el repositorio institucional donde esta contenido este documento o set de datos. El CONCYTEC no se hace responsable por los contenidos (publicaciones y/o datos) accesibles a través del Repositorio Nacional Digital de Ciencia, Tecnología e Innovación de Acceso Abierto (ALICIA).