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Revista U.D.C.A Actualidad & Divulgación Científica
versión impresa ISSN 0123-4226
Resumen
OCHOA, David F.; MARTINEZ, Edwin y DE LA OSSA, Jaime. POPULATIONAL DENSITY AND GROUP STRUCTURE OF Alouatta seniculus (PRIMATES: ATELIDAE) IN COLOSÓ, SUCRE, COLOMBIA. rev.udcaactual.divulg.cient. [online]. 2011, vol.14, n.2, pp.101-108. ISSN 0123-4226.
The populational density and group structure for a Alouatta seniculus (Primates: Atelidae) population seated in a fragmented area of the Colosó and Sereno streams in the Municipality of Colosó, Department of Sucre, Colombia, was determined. The study area was located in Montes de Maria, dry tropical dry formation that structure a relictus in the arid Caribbean region. The method of continuous pursuits was applied during 84 field days during one year, between 2009 and 2010. Twenty two groups in total, with a density of 52.4 Ind. /Km2, and of 8.7 Groups/Km2 were registered. The proportion between males and females was 1:1. The populational variables analyzed agree with the established ranges for the species, but they differ for density and group structure according to previous studies carried out in the area. A socioecological model was evidenced, favoring the density increase through the conformation of multiple smaller sized groups.
Palabras clave : Alouatta seniculus; density; group structure; Sucre; Colombia.