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dc.contributor.authorStevenson, Pablo R.-
dc.contributor.authorBeltrán, Marta L.-
dc.contributor.authorQuiñones, Marcela J.-
dc.contributor.authorAhumada, Jorge A.-
dc.description.abstractHowler monkeys, genus Alouatta, are recognized as one of the most resistant primates to forest fragmentation. In this study a comparison of the home range, activity and diet of red howler monkeys (A. seniculus) was made between a continuous forest and a fragment in Meta, Colombia (Tinigua Park and Santa Rosa farm, respectively). Data was gathered on focal animals for 4-5 days per month, over 13 months in the continuous forest, and for six months in a 21-ha fragment. Home range areas were larger in the continuous forest. Resting was the most frequent activity in both places (58-59%), but individuals in the continuous forest moved more than those in the fragment (15 vs. 9%). In contrast, feeding was less frequent in the continuous forest (23 vs. 31%). Consumption of leaves was higher in the fragment (67%) than in the continuous forest (56%), contrasting with the pattern found for ripe fruit consumption (fragment: 32%, continuous forest: 44%). Results from phenological transects indicate that fruits were consumed in proportion to their abundance; however, the same was not true for young leaves. Due to increased production and tree species diversity, the number of fruit species consumed in the continuous forest was greater than in the fragment. No differences were found in feeding rates among group members, suggesting an egalitarian society in terms of resource acquisition. Results from this study show that fragmentation affects home range, moving patterns, and diet composition. Overall, the dietary and behavioral flexibility shown by howler monkeys allow them to live in fragments, and it is suggested that this is more likely in areas with high productivity and few
dc.description.abstractLos aulladores, género Alouatta, son reconocidos como los primates más resistentes a la fragmentación de bosques. En este estudio se comparan el rango de hogar, actividad y dieta de los aulladores rojos (A. seniculus)en bosque continuo y en un fragmento en el Meta, Colombia (Parque Nacional Tinigua y finca Santa Rosa,respectivamente). Se registró información con observaciones focales durante 4-5 días por mes (13 meses en el bosque continuo y 6 en un fragmento de 21-ha). El rango de hogar fue mayor en el bosque continuo. El descanso fue la actividad preponderante en ambos lugares (58-59%), pero el movimiento fue más frecuente en bosque continuo que en el fragmento (15% vs. 9%), contrario a lo encontrado para alimentación (23 vs. 31%). La proporción de hojas en la dieta fue mayor en el fragmento (67%) que en el bosque continuo (56%), y el patrón opuesto se registró para el consumo de frutos (fragmento: 32%, bosque continuo: 44%). De acuerdo a muestreos fenológicos, los frutos fueron consumidos en proporción a su abundancia, y esto no ocurrió para el consumo de hojas. Debido a la mayor productividad y diversidad en el bosque continuo, el número de especies consumidas fue mayor en el bosque continuo que en el fragmento. No se encontraron diferencias en las tasas de alimentación entre miembros del grupo, sugiriendo una sociedad igualitaria, en términos de adquisición de recursos. Se concluye que la fragmentación está asociada a cambios en el rango de hogar, patrones de movimiento y dieta de los monos aulladores. En general esta flexibilidad en dieta y comportamiento de estos primates facilita que ocurran en bosques perturbados y se sugiere que esto va a ser más probable en lugares productivos y con pocos competidoresspa
dc.format.extent11 páginasspa
dc.publisherAcademia Colombiana de Ciencias Exactas, Físicas y Naturalesspa
dc.rightsCreative Commons Attribution-NonCommercial-ShareAlike 4.0 Internationalspa
dc.titleVol. 39 Núm. 153 Differences in home range, activity patterns and diet of red howler monkeys in a continuous forest and a forest fragment in Colombiaspa
dc.typeArtículo de revistaspa
dcterms.audienceEstudiantes, Profesores, Comunidad científicaspa
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dc.rights.creativecommonsAtribución-NoComercial 4.0 Internacional (CC BY-NC 4.0)spa
dc.subject.proposalAlouatta seniculusspa
dc.subject.proposalAlouatta seniculuseng
dc.subject.proposalEcología de primatesspa
dc.subject.proposalEcological traitseng
dc.subject.proposalEstrategias alimenticiasspa
dc.subject.proposalFeeding strategieseng
dc.subject.proposalTamaño de grupospa
dc.subject.proposalGroup sizeeng
dc.subject.proposalParque Nacional Tinigüaspa
dc.subject.proposalTinigüa National Parkeng
dc.relation.ispartofjournalRevista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturalesspa
dc.publisher.placeBogotá, Colombiaspa
dc.contributor.corporatenameDepartamento de Ciencias Biológicas, Universidad de Los Andes. Bogotá, Colombiaspa
dc.contributor.corporatenameDepartment of Environmental Sciences, Wageningen University, Wageningen, The Netherlandsspa
dc.contributor.corporatenameTropical Ecology Assessment and Monitoring Network (TEAM), Center for Applied Biodiversity Science,Conservation International. Arlington, VA, USAspa
dc.coverage.regionParque Nacional Tinigüa, Colombia-
Appears in Collections:BA. Revista de la Academia Colombiana de Ciencias Exactas Físicas y Naturales

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