Abstract

BATALLAS, Diego  and  BRITO, Jorge. Bioacoustic analysis of six anuran species from the Cormoran Lagoon, Sardinayacu Lake complex, Sangay National Park, Ecuador. Rev. Mex. Biodiv. [online]. 2016, vol.87, n.4, pp.1292-1300. ISSN 2007-8706.  https://doi.org/10.1016/j.rmb.2016.10.005.

In December and February, 2010-2011, studies were conducted in the Sardinayacu Lake Complex, located in Sangay National Park. Each field study had a duration of 10 days. The objective of this study was to analyze the bioacoustic characteristics of anuran vocalizations in Cormorán Lagoon, one of the lakes of the Complejo Lacustre de Sardinayacu. Day and night rounds were performed for the study, focusing the sampling effort on the areas with the greatest vocal activity. This activity was recorded with a digital recorder connected to a unidirectional microphone. The vocalizations of 6 species of anurans were analyzed, which were described both qualitatively and quantitatively based on spectral variables (frequencies measured in kilohertz) and time variables (duration and interval of the calls, notes and pulses measured in milliseconds). The interspecific variations indicate that the calls of 6 anuran species from the Cormoran Lagoon have their own time and spectral characteristics.

Keywords : Herpetology; Spectral variables; Temporal variables; Advertisement calls; Frequency; Interspecific variation.

        · abstract in Spanish     · text in Spanish     · Spanish ( pdf )