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Beluga whale (Delphinapterus leucas) vocalizations and call classification from the eastern Beaufort Sea population

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Beluga whale (Delphinapterus leucas) vocalizations and call classification from the eastern Beaufort Sea population. / Garland, Ellen Clare; Castellote, Manuel; Berchok, Catherine.

In: Journal of the Acoustical Society of America, Vol. 137, No. 6, 06.2015, p. 3054-3067.

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Garland, EC, Castellote, M & Berchok, C 2015, 'Beluga whale (Delphinapterus leucas) vocalizations and call classification from the eastern Beaufort Sea population' Journal of the Acoustical Society of America, vol. 137, no. 6, pp. 3054-3067. https://doi.org/10.1121/1.4919338

APA

Garland, E. C., Castellote, M., & Berchok, C. (2015). Beluga whale (Delphinapterus leucas) vocalizations and call classification from the eastern Beaufort Sea population. Journal of the Acoustical Society of America, 137(6), 3054-3067. https://doi.org/10.1121/1.4919338

Vancouver

Garland EC, Castellote M, Berchok C. Beluga whale (Delphinapterus leucas) vocalizations and call classification from the eastern Beaufort Sea population. Journal of the Acoustical Society of America. 2015 Jun;137(6):3054-3067. https://doi.org/10.1121/1.4919338

Author

Garland, Ellen Clare ; Castellote, Manuel ; Berchok, Catherine. / Beluga whale (Delphinapterus leucas) vocalizations and call classification from the eastern Beaufort Sea population. In: Journal of the Acoustical Society of America. 2015 ; Vol. 137, No. 6. pp. 3054-3067.

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@article{9dd8270aaa7f435494adbae927cb4b48,
title = "Beluga whale (Delphinapterus leucas) vocalizations and call classification from the eastern Beaufort Sea population",
abstract = "Beluga whales, Delphinapterus leucas, have a graded call system; call types exist on a continuum making classification challenging. A description of vocalizations from the eastern Beaufort Sea beluga population during its spring migration are presented here, using both a non-parametric clas- sification tree analysis (CART), and a Random Forest analysis. Twelve frequency and duration measurements were made on 1019 calls recorded over 14 days off Icy Cape, Alaska, resulting in 34 identifiable call types with 83{\%} agreement in classification for both CART and Random Forest analyses. This high level of agreement in classification, with an initial subjective classification of calls into 36 categories, demonstrates that the methods applied here provide a quantitative analysis of a graded call dataset. Further, as calls cannot be attributed to individuals using single sensor pas- sive acoustic monitoring efforts, these methods provide a comprehensive analysis of data where the influence of pseudo-replication of calls from individuals is unknown. This study is the first to describe the vocal repertoire of a beluga population using a robust and repeatable methodology. A baseline eastern Beaufort Sea beluga population repertoire is presented here, against which the call repertoire of other seasonally sympatric Alaskan beluga populations can be compared.",
author = "Garland, {Ellen Clare} and Manuel Castellote and Catherine Berchok",
note = "Funding was provided by the Bureau of Ocean Energy Management under InterAgency Agreement M09PG00016. E.C.G. was supported by a National Research Council (National Academy of Sciences) Postdoctoral Fellowship.",
year = "2015",
month = "6",
doi = "10.1121/1.4919338",
language = "English",
volume = "137",
pages = "3054--3067",
journal = "Journal of the Acoustical Society of America",
issn = "0001-4966",
publisher = "Acoustical Society of America",
number = "6",

}

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TY - JOUR

T1 - Beluga whale (Delphinapterus leucas) vocalizations and call classification from the eastern Beaufort Sea population

AU - Garland, Ellen Clare

AU - Castellote, Manuel

AU - Berchok, Catherine

N1 - Funding was provided by the Bureau of Ocean Energy Management under InterAgency Agreement M09PG00016. E.C.G. was supported by a National Research Council (National Academy of Sciences) Postdoctoral Fellowship.

PY - 2015/6

Y1 - 2015/6

N2 - Beluga whales, Delphinapterus leucas, have a graded call system; call types exist on a continuum making classification challenging. A description of vocalizations from the eastern Beaufort Sea beluga population during its spring migration are presented here, using both a non-parametric clas- sification tree analysis (CART), and a Random Forest analysis. Twelve frequency and duration measurements were made on 1019 calls recorded over 14 days off Icy Cape, Alaska, resulting in 34 identifiable call types with 83% agreement in classification for both CART and Random Forest analyses. This high level of agreement in classification, with an initial subjective classification of calls into 36 categories, demonstrates that the methods applied here provide a quantitative analysis of a graded call dataset. Further, as calls cannot be attributed to individuals using single sensor pas- sive acoustic monitoring efforts, these methods provide a comprehensive analysis of data where the influence of pseudo-replication of calls from individuals is unknown. This study is the first to describe the vocal repertoire of a beluga population using a robust and repeatable methodology. A baseline eastern Beaufort Sea beluga population repertoire is presented here, against which the call repertoire of other seasonally sympatric Alaskan beluga populations can be compared.

AB - Beluga whales, Delphinapterus leucas, have a graded call system; call types exist on a continuum making classification challenging. A description of vocalizations from the eastern Beaufort Sea beluga population during its spring migration are presented here, using both a non-parametric clas- sification tree analysis (CART), and a Random Forest analysis. Twelve frequency and duration measurements were made on 1019 calls recorded over 14 days off Icy Cape, Alaska, resulting in 34 identifiable call types with 83% agreement in classification for both CART and Random Forest analyses. This high level of agreement in classification, with an initial subjective classification of calls into 36 categories, demonstrates that the methods applied here provide a quantitative analysis of a graded call dataset. Further, as calls cannot be attributed to individuals using single sensor pas- sive acoustic monitoring efforts, these methods provide a comprehensive analysis of data where the influence of pseudo-replication of calls from individuals is unknown. This study is the first to describe the vocal repertoire of a beluga population using a robust and repeatable methodology. A baseline eastern Beaufort Sea beluga population repertoire is presented here, against which the call repertoire of other seasonally sympatric Alaskan beluga populations can be compared.

U2 - 10.1121/1.4919338

DO - 10.1121/1.4919338

M3 - Article

VL - 137

SP - 3054

EP - 3067

JO - Journal of the Acoustical Society of America

T2 - Journal of the Acoustical Society of America

JF - Journal of the Acoustical Society of America

SN - 0001-4966

IS - 6

ER -

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ID: 198193950