Riqueza de Especies y Variabilidad Trófica de Murciélagos en Zonas de Riesgo de Rabia de Origen Silvestre en Izabal, Guatemala

Cristian Kraker-Castañeda, José Luis Echeverría-Tello

Resumen


Izabal, Guatemala, is considered a high-risk region of bovine paralytic rabies and also has documented cases of common vampire bat attacks to humans in villages in marginal conditions. Measures to control vampire bat populations are commonly undertaken, however, when not properly supervised, they often ignore selective techniques and result in the killing of harmless species. In order to document species richness and to compare the proportion of other guilds, bats were captured using mist nets in farms with cattle that were recurrently injured by common vampire bats. A total of 280 bats belonging to 13 genera and 18 species were documented, with Artibeus, Sturnira, Desmodus and Glossophaga being the most common genera in order of abundance. For a sample size of 40 individuals a variation of seven to 11 species was calculated for all sites. The proportion of common vampire bats in contrast to other guilds present was significantly lower (x2 = 18.379, d. f. = 3, P = 0.0004). The bats documented along with the common vampire bat might be providing important ecosystem services that can be suppressed as a consequence of their decreasing population sizes or the disappearance of their colonies.


Palabras clave


Chiroptera; Desmodus rotundus; ecosystem services; Izabal; trophic guilds

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THERYA es publicada por la Asociación Mexicana de Mastozoología A. C.  Se distribuye bajo una Licencia de Creative Commons Atribución-NoComercial-SinDerivar 4.0 Internacional.

DERECHOS DE AUTOR Y DERECHOS CONEXOS, THERYA es una publicación digital cuatrimestral editada por la Asociación Mexicana de Mastozoología A. C.  Hacienda Vista Hermosa 107, Colonia Villa Quietud, Coyoacan 04960.  Distrito Federal, México.  Telefono (612) 123-8486, www.mastozoologiamexicana.org.  Editor responsable: Dr. Sergio Ticul Álvarez Castañeda (therya@cibnor.mx).  Reservas de Derechos al Uso Exclusivo No. 04-2009-112812171700-102, ISSN: 2007-3364 ambos otorgados por el Instituto Nacional de Derechos de Autor.  Responsable de la última actualización de este número, Unidad de informática de la Asociación Mexicana de Mastozoología A. C.  Dr. Sergio Ticul Álvarez Castañeda.  Instituto Politécnico Nacional 195.  La Paz, Baja California Sur, C. P. 23096.  Tel 612 123 8486.