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dc.contributor.author
Reyes Reyes, María Vanesa
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Iñíguez, Miguel A.
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Hevia, Marta
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Hildebrand, John
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Melcon, Mariana Laura
dc.date.available
2019-05-27T16:47:34Z
dc.date.issued
2015-10
dc.identifier.citation
Reyes Reyes, María Vanesa; Iñíguez, Miguel A.; Hevia, Marta; Hildebrand, John; Melcon, Mariana Laura; Description and clustering of echolocation signals of Commerson's dolphins (Cephalorhynchus commersonii) in Bahía San Julián, Argentina; Acoustical Society of America Institute of Physics; Journal of the Acoustical Society of America; 138; 4; 10-2015; 2046-2053
dc.identifier.issn
0001-4966
dc.identifier.uri
http://hdl.handle.net/11336/77202
dc.description.abstract
Commerson's dolphins (Cephalorhynchus commersonii) inhabit coastal waters of Southern South America and Kerguelen Islands. Limited information exists about the acoustic repertoire of this species in the wild. Here, echolocation signals from free-ranging Commerson's dolphins were recorded in Bahía San Julián, Argentina. Signal parameters were calculated and a cluster analysis was made on 3180 regular clicks. Three clusters were obtained based on peak frequency (129, 137, and 173 kHz) and 3 dB bandwidth (8, 6, and 5 kHz). The 428 buzz clicks were analyzed separately. They consisted of clicks emitted with a median inter-click interval of 3.5 ms, peak frequency at 131 kHz, 3 dB bandwidth of 9 kHz, 10 dB bandwidth of 18 kHz, and duration of 56 μs. Buzz clicks were significantly shorter and with a lower peak frequency and a broader bandwidth than most of the regular clicks. This study provided the first description of different echolocation signals, including on- and off-axis signals, recorded from Commerson's dolphins in the wild, most likely as a result of animals at several distances and orientations to the recording device. This information could be useful while doing passive acoustic monitoring.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Acoustical Society of America Institute of Physics
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Clustering
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Echolocation
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Commerson'S Dolphins
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Otras Ciencias Biológicas
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Ciencias Biológicas
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CIENCIAS NATURALES Y EXACTAS
dc.title
Description and clustering of echolocation signals of Commerson's dolphins (Cephalorhynchus commersonii) in Bahía San Julián, Argentina
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2019-05-23T20:33:20Z
dc.journal.volume
138
dc.journal.number
4
dc.journal.pagination
2046-2053
dc.journal.pais
Estados Unidos
dc.journal.ciudad
Washington
dc.description.fil
Fil: Reyes Reyes, María Vanesa. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Física. Laboratorio de Sistemas Dinámicos; Argentina. Fundación Cethus; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Física de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Física de Buenos Aires; Argentina
dc.description.fil
Fil: Iñíguez, Miguel A.. Fundación Cethus; Argentina. Whale And Dolphin Conservation; Estados Unidos
dc.description.fil
Fil: Hevia, Marta. Fundación Cethus; Argentina. Whale And Dolphin Conservation; Estados Unidos
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Fil: Hildebrand, John. University of California at San Diego. Scripps Institution of Oceanography; Estados Unidos
dc.description.fil
Fil: Melcon, Mariana Laura. University of California at San Diego. Scripps Institution of Oceanography; Estados Unidos
dc.journal.title
Journal of the Acoustical Society of America
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1121/1.4929899
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