Antarctic beaked whale echolocation signals near South Scotia Ridge
Several species of beaked whales inhabit the Southern Ocean, but information on their abundance, distribution, and seasonality is scarce. However, beaked whales are the only cetaceans known to use frequency modulated (FM) upsweep pulses to echolocate, and these signals appear to be species-specific...
Published in: | Marine Mammal Science |
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Online Access: | http://hdl.handle.net/11336/77203 |
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ftconicet:oai:ri.conicet.gov.ar:11336/77203 2023-10-09T21:47:09+02:00 Antarctic beaked whale echolocation signals near South Scotia Ridge Trickey, Jennifer S. Baumann-Pickering, Simone Hildebrand, John Reyes Reyes, María Vanesa Melcón, Mariana Iñíguez, Miguel application/pdf http://hdl.handle.net/11336/77203 eng eng Wiley Blackwell Publishing, Inc info:eu-repo/semantics/altIdentifier/doi/10.1111/mms.12216 http://hdl.handle.net/11336/77203 Trickey, Jennifer S.; Baumann-Pickering, Simone; Hildebrand, John; Reyes Reyes, María Vanesa; Melcón, Mariana; et al.; Antarctic beaked whale echolocation signals near South Scotia Ridge; Wiley Blackwell Publishing, Inc; Marine Mammal Science; 31; 3; 7-2015; 1265-1274 0824-0469 CONICET Digital CONICET info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ Beaked Whale Echolocation Upsweep Scotia Ridge https://purl.org/becyt/ford/1.6 https://purl.org/becyt/ford/1 info:eu-repo/semantics/article info:ar-repo/semantics/artículo info:eu-repo/semantics/publishedVersion ftconicet https://doi.org/10.1111/mms.12216 2023-09-24T19:30:35Z Several species of beaked whales inhabit the Southern Ocean, but information on their abundance, distribution, and seasonality is scarce. However, beaked whales are the only cetaceans known to use frequency modulated (FM) upsweep pulses to echolocate, and these signals appear to be species-specific in their spectral and temporal properties. Accordingly, passive acoustic monitoring has proven useful to investigate the behavioral ecology of these elusive species. Acoustic recordings were collected in Antarctic waters with both a towed hydrophone array as well as a bottom-moored High-frequency Acoustic Recording Package (HARP) deployed near Elephant Island that recorded between March and July 2014. The acoustic data revealed several beaked whale signal types of unknown origin. Of the five species of beaked whales known to occur in the survey area, an acoustic description has only been made for the FM pulses produced by Cuvier?s beaked whales (Ziphius cavirostris). Signal characterization using custom MATLAB-based routines determined that three unidentified FM pulse types are distinctly different from the signal of Cuvier?s beaked whales, and are also unlikely to belong to Arnoux?s beaked whales (Berardius arnuxii). Southern bottlenose whales (Hyperoodon planifrons) likely produce the most dominant beaked whale signal type (BW29) in the towed array and HARP data. The sources of the two less commonly detected echolocation signals, BW37 and BW55, are possibly Gray?s beaked whales (Mesoplodon grayi) and strap-toothed whales (M. layardii). Acoustic encounters over several months indicated differences among the various species in diel and seasonal use of the area near the recorder. Ongoing passive acoustic monitoring in the Southern Ocean will allow us to explore long-term relative abundance and distribution, as well as consistent seasonal and diel patterns, and will provide insight into the ecological role of beaked whales in an ecosystem that is undergoing rapid environmental transitions as a result of climate change. ... Article in Journal/Newspaper Antarc* Antarctic Elephant Island Southern Ocean toothed whales CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas) Antarctic Southern Ocean Elephant Island ENVELOPE(-55.184,-55.184,-61.085,-61.085) South Scotia Ridge ENVELOPE(-46.500,-46.500,-60.000,-60.000) Marine Mammal Science 31 3 1265 1274 |
institution |
Open Polar |
collection |
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas) |
op_collection_id |
ftconicet |
language |
English |
topic |
Beaked Whale Echolocation Upsweep Scotia Ridge https://purl.org/becyt/ford/1.6 https://purl.org/becyt/ford/1 |
spellingShingle |
Beaked Whale Echolocation Upsweep Scotia Ridge https://purl.org/becyt/ford/1.6 https://purl.org/becyt/ford/1 Trickey, Jennifer S. Baumann-Pickering, Simone Hildebrand, John Reyes Reyes, María Vanesa Melcón, Mariana Iñíguez, Miguel Antarctic beaked whale echolocation signals near South Scotia Ridge |
topic_facet |
Beaked Whale Echolocation Upsweep Scotia Ridge https://purl.org/becyt/ford/1.6 https://purl.org/becyt/ford/1 |
description |
Several species of beaked whales inhabit the Southern Ocean, but information on their abundance, distribution, and seasonality is scarce. However, beaked whales are the only cetaceans known to use frequency modulated (FM) upsweep pulses to echolocate, and these signals appear to be species-specific in their spectral and temporal properties. Accordingly, passive acoustic monitoring has proven useful to investigate the behavioral ecology of these elusive species. Acoustic recordings were collected in Antarctic waters with both a towed hydrophone array as well as a bottom-moored High-frequency Acoustic Recording Package (HARP) deployed near Elephant Island that recorded between March and July 2014. The acoustic data revealed several beaked whale signal types of unknown origin. Of the five species of beaked whales known to occur in the survey area, an acoustic description has only been made for the FM pulses produced by Cuvier?s beaked whales (Ziphius cavirostris). Signal characterization using custom MATLAB-based routines determined that three unidentified FM pulse types are distinctly different from the signal of Cuvier?s beaked whales, and are also unlikely to belong to Arnoux?s beaked whales (Berardius arnuxii). Southern bottlenose whales (Hyperoodon planifrons) likely produce the most dominant beaked whale signal type (BW29) in the towed array and HARP data. The sources of the two less commonly detected echolocation signals, BW37 and BW55, are possibly Gray?s beaked whales (Mesoplodon grayi) and strap-toothed whales (M. layardii). Acoustic encounters over several months indicated differences among the various species in diel and seasonal use of the area near the recorder. Ongoing passive acoustic monitoring in the Southern Ocean will allow us to explore long-term relative abundance and distribution, as well as consistent seasonal and diel patterns, and will provide insight into the ecological role of beaked whales in an ecosystem that is undergoing rapid environmental transitions as a result of climate change. ... |
format |
Article in Journal/Newspaper |
author |
Trickey, Jennifer S. Baumann-Pickering, Simone Hildebrand, John Reyes Reyes, María Vanesa Melcón, Mariana Iñíguez, Miguel |
author_facet |
Trickey, Jennifer S. Baumann-Pickering, Simone Hildebrand, John Reyes Reyes, María Vanesa Melcón, Mariana Iñíguez, Miguel |
author_sort |
Trickey, Jennifer S. |
title |
Antarctic beaked whale echolocation signals near South Scotia Ridge |
title_short |
Antarctic beaked whale echolocation signals near South Scotia Ridge |
title_full |
Antarctic beaked whale echolocation signals near South Scotia Ridge |
title_fullStr |
Antarctic beaked whale echolocation signals near South Scotia Ridge |
title_full_unstemmed |
Antarctic beaked whale echolocation signals near South Scotia Ridge |
title_sort |
antarctic beaked whale echolocation signals near south scotia ridge |
publisher |
Wiley Blackwell Publishing, Inc |
url |
http://hdl.handle.net/11336/77203 |
long_lat |
ENVELOPE(-55.184,-55.184,-61.085,-61.085) ENVELOPE(-46.500,-46.500,-60.000,-60.000) |
geographic |
Antarctic Southern Ocean Elephant Island South Scotia Ridge |
geographic_facet |
Antarctic Southern Ocean Elephant Island South Scotia Ridge |
genre |
Antarc* Antarctic Elephant Island Southern Ocean toothed whales |
genre_facet |
Antarc* Antarctic Elephant Island Southern Ocean toothed whales |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1111/mms.12216 http://hdl.handle.net/11336/77203 Trickey, Jennifer S.; Baumann-Pickering, Simone; Hildebrand, John; Reyes Reyes, María Vanesa; Melcón, Mariana; et al.; Antarctic beaked whale echolocation signals near South Scotia Ridge; Wiley Blackwell Publishing, Inc; Marine Mammal Science; 31; 3; 7-2015; 1265-1274 0824-0469 CONICET Digital CONICET |
op_rights |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
op_doi |
https://doi.org/10.1111/mms.12216 |
container_title |
Marine Mammal Science |
container_volume |
31 |
container_issue |
3 |
container_start_page |
1265 |
op_container_end_page |
1274 |
_version_ |
1779309971232522240 |