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      Annual and daily patterns of calling activity in male Scinax fuscomarginatus (Anura: Hylidae) from Central Brazil

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      Zoologia
      Pensoft Publishers

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          Abstract

          Bioacoustics is an effective way of recording detailed data during population surveys and monitoring. In the present study, we used an automated digital recorder (ADR) to describe the temporal variation in the calling activity of Scinax fuscomarginatus (Lutz, 1925) in central Brazil. We also evaluated the role of climatic variables (air temperature and precipitation) on calling activity by using a Generalized Additive Model (GAM). We conducted the recordings at five ponds in the Cerrado savanna of Rio Verde Municipality, in Goiás state between November 2013 and October 2014. The analysis of the 43.2 hours of acoustic recording showed that S. fuscomarginatus has a prolonged breeding pattern. The ADR provides a fine-scale description of the nocturnal calling pattern, as well as the oscillations between the rainy and dry seasons. The results of the analytical model also indicate that calling patterns were related to minimum (but not maximum) air temperatures and precipitation, which may be related to their reproductive and thermoregulatory requirements. Based on these findings, we conclude that the ADR method has potentially valuable applications for the collection of data on the natural history of anuran species, as well as supplying important insights for conservation initiatives.

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          Köppen's climate classification map for Brazil

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            Fast stable restricted maximum likelihood and marginal likelihood estimation of semiparametric generalized linear models

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              Generalized Additive Models

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                Author and article information

                Journal
                Zoologia
                Zoologia
                Pensoft Publishers
                1984-4689
                December 03 2020
                December 03 2020
                : 37
                : 1-6
                Article
                10.3897/zoologia.37.e54148
                c9ef11bb-7eca-4ade-a336-284977051a0c
                © 2020

                http://creativecommons.org/licenses/by/4.0/

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