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SUMMARY focus on social problems was made Castaño, J.H.; Cardona, D.M. (2005).
Presencia del mono nocturno andino
with the community and workers of
Hacienda La Cabaña S.A. where the
(Aotus lemurinus (I. Geoffroy-St.
perception and conflicts that affect Hilaire, 1843) en fragmentos de
the population of the species were bosque de la cuenca media del Río
he Llanero night monkey (Aotus analyzed, generating actions aimed at Cauca. Boletín Científico Museo de
brumbackii) is a species of its conservation, such as: training for Historia Natural Universidad de
Tnocturnal primate endemic to workers, workshops and educational Caldas, 9: 111-120.
Colombia (Hershkovitz, 1983; Defler games for the children of the community, Castaño, H.; Cardona-Ramírez, D.;
2010), present in the Orinoquía region contributing to environmental Botero, J. (2010). Ecología de mono
and is classified as Vulnerable (VU) awareness and conservation of the nocturno en fragmentos de bosque
according to the IUCN. Currently it faces Llanero night monkey Aotus brumbackii. subandino. En: Pereira-Bengoa V.;
pressures and threats that affect its We conclude with a project that will give Stevenson P.; Bueno M; Nassar-
population, some of these pressures great scientific contribution since it is Montoya F. (editores). Primatología
are related to the loss of habitat due an endangered species (VU) and with En Colombia: Avances Al Principio
to anthropic activities such as the low biological information. In addition, Del Milenio. Primera edición.
growth of agribusiness (extensive we contribute to the protection and Fundación Universitaria San Martín,
palm cultivation). This study aimed conservation of species through 258 pp.
to estimate the population densities monitoring and monitoring of fauna and Defler, T.R.; Bueno, M.L. (2007). Aotus
of the Llanero night monkey (A. flora, proper management and control diversity and the species problem.
brumbackii) in three forest fragments of ecosystem resources for future Primate Conservation, 22:55-70.
in a palm landscape at Hacienda La populations. Defler, T.R. (2003). Primates de Colombia.
Cabaña S.A. in Cumaral (Meta), where Conservación internacional
to determine the density of the night REFERENCIAS Colombia, Panamericana formas e
the linear transect method was used
impresos, Colombia, p 543.
monkeys. The censuses were carried Hershkovitz, P. (1977). Living New
out at two recording times from 18:00 Aquino, R.; Encarnación. F. (1983). World Monkeys (Platyrrhini). Vol 1.
- 21:00 at night and from 3:00 - 6:00 Aspectos de la dinámica The University of Chicago Press,
in the morning. The data obtained in Poblacional de Aotus nancymai Chicago. pp 1117.
the censuses were not analyzed with (Cebidae-Primates). Symposio de Vargas-Gómez, M.G. (2017).
the DISTANCE 6.0 program, since the Primatología; octubre 9-15. Vocalizaciones de Aotus brumbracki
minimum number required by the Campbell, N. (2005). The Peruvian (Hershkovitz, 1983) y su relación
program was not obtained, therefore, night monkey Aotus miconax; a con las actividades en vida silvestre,
the formula DP = (# Ind. Observed / comparative study of occupancy San Martín (Meta, Colombia).Tesis.
area fragments) was used to calculate between Cabeza del Toro and Facultad de Ciencias, Pontificia
the population densities in each Cordillera de Colán, Perú. Master Universidad Javeriana. Bogotá,
fragment (FRAG1 = 0.2341km; FRAG2 of Science Thesis. Oxford Brookes Colombia.
= 0.0205km; FRAG3 = 0.0202km). University, Oxford. 75 p. 2011. 14. Wright, P.C. (1981). The night Monkeys,
Obtained from 26 effective censuses, Carretero-Pinzón, X. (2005). Densidad Genus Aotus. In: Coimbra-Filho AF,
identifying four groups of A. brumbackii de primates en fragmentos de Mittermeier RA, editors. Ecology an
with a total of 11 individuals, in the same bosque de galería en los llanos Behavior of Neotropical Primates.
way, the population structure of each colombianos. En: Memorias Vol I. Rio de Janeiro: Academia
group was obtained, each sighting and 1º Congreso Colombiano de Brasileira de Ciências, 211-239.
burrows were georeferenced. Also, a primatología.

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