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Changes in call properties of Boana pulchella (Anura, Hylidae) in response to different noise conditions

Current Zoology 2024年第4期70卷 548-556页

作者： Pablo Grenat Maria Ferrero Mariana Baraquet Favio Pollo Manuel Otero Zulma Salinas Nancy Salas adolfo martino Ecologia Departamento de Ciencias NaturalesFacultad de Ciencias ExactasFisico-Quimicas y NaturalesUniversidad Nacional de Rio CuartoRutaNacional N°36-km601X5804BYARioCuartoArgentina lnstituto de Ciencias de la Tierra Biodiversidad y Ambiente(ICBIA)UNRC-CONICETRuta Nacional N°36-km 601X5804BYARio CuartoArgentina Cátedra de Botanica General Departamento de Recursos Naturales y AmbienteFacultad de AgronomiaUniversidad de Buenos AiresAv.San Martin 4453Buenos AiresArgentina

The increasing expansion of urban areas leads to the emergence of new noisy environments that can affect animal *** play a crucial role in the mating displays of anurans,and the negative impact of anthropogenic noise-induced auditory masking has been reported in several *** investigated the acoustic variation in 96 males(n=971 calls)of the treefrog Boana pulchella across acoustically undis-turbed sites and different noise conditions,associated with urban areas(URBAN)and roads(ROAD),in Central *** analyzed the effect of anthropogenic noise conditions on 6 temporal(call duration[CD],intercall interval,first and second note duration,internote interval,and call rate)and 3 spectral(dominant frequency of first and second note,frequency difference between them)call *** effects of temperature and size on acoustical variables were *** observed differences in all call attributes among the noise conditions,except for intercall *** exposed to URBAN and ROAD exhibited significant changes in CD,dominant frequency of the second note,and fre-quency difference between *** males had longest internote interval,while ROAD individuals displayed increased first and second note duration and call ***,ROAD males exhibited immediate changes in call rate in direct response to passing heavy *** study emphasizes the impact of anthropogenic noise on the acoustic characteristics of *** *** how animals adapt to noisy environments is crucial in mitigating the adverse effects of urbanization on their communication *** investigations should explore whether the observed call adjustments are effective in avoiding or mitigating the negative consequences of anthropogenic noise on reproductive success.

关键词： acoustic communication advertisement call auditory masking noise pollution road traffic noise.

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