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Mutis
Article . 2016 . Peer-reviewed
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Características de la avifauna en un fragmento de bosque húmedo premontano afectado por ruido vehicular

Authors: Sánchez-Guzmán, Jessica Nathalia; Losada-Prado, Sergio;

Características de la avifauna en un fragmento de bosque húmedo premontano afectado por ruido vehicular

Abstract

<p align="justify">La contaminación acústica producida por las carreteras representa uno de los factores que afecta en mayor medida la presencia, densidad y diversidad de la avifauna. En este estudio se evaluó la asociación entre el ruido vehicular, el número de especies de aves canoras y el número de detecciones en un fragmento de bosque ripario con alta influencia urbana. Se realizaron muestreos mensuales entre septiembre y noviembre de 2014 de 6:00 a 9:00 a. m. en un fragmento de bosque húmedo premontano dentro de la Universidad del Tolima. Las aves vocalizadoras se grabaron durante diez min/hora y se registró el valor máximo de ruido (dB) obtenido en dos minutos. Los cantos se analizaron empleando Audacity® y la determinación de las especies se realizó consultando a expertos y confrontando con bases de datos. Se identificaron cantos de 43 especies principalmente de la familia Thraupidae y Tyrannidae. Se registraron diferencias significativas en el número de especies (F<sub>3,47</sub> = 4,38; <em>p</em> = 0,025) y el número de detecciones (F<sub>3,47</sub> = 4,51; <em>p</em> = 0,02) entre meses, y en el número de especies (F<sub>3,1</sub> = 3,14; <em>p</em> = 0,05) y el número de detecciones (F<sub>3,1</sub> = 6,03; <em>p</em> = 0,004) entre horas. No hubo diferencias significativas en las variables en relación a la intensidad del ruido vehicular, ni en los valores de ruido en los meses y horas muestreadas. Finalmente, se evidenció un aumento en el número de detecciones a medida que se genera la transición del periodo seco al lluvioso, por lo cual se recomienda realizar estudios de este tipo a escala temporal anual.</p>

Country
Colombia
Keywords

cantos, bioacústica, Ingenieria, Aves forestales, Ciencias basicas, detecciones, vocalizaciones, frecuencia, Diversidad animal, Aves

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
4
Average
Average
Average
Green
gold