Auditory evoked potential in stranded melon-headed whales (Peponocephala electra) : With severe hearing loss and possibly caused by anthropogenic noise pollution
Copyright © 2021 The Authors. Published by Elsevier Inc. All rights reserved..
Highly concentrated live mass stranding events of dolphins and whales happened in the eastern coast of China between June and October 2021. The current study adopted the non-invasive auditory evoked-potential technique to investigate the hearing threshold of a stranded melon headed whale (Peponocephala electra) at a frequency range of between 9.5 and 181 kHz. It was found that, at the frequency range of from 10 to 100 kHz, hearing thresholds for the animal were between 20 and 65 dB higher than those of its phylogenetically closest species (Pygmy killer whale). The severe hearing loss in the melon headed whale was probably caused by transient intense anthropogenic sonar or chronic shipping noise exposures. The hearing loss could have been the cause for the observed temporal and spatial clustered stranding events. Therefore, there is need for noise mitigation strategies to reduce noise exposure levels for marine mammals in the coastal areas of China.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2021 |
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| Erschienen: |
2021 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:228 |
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| Enthalten in: |
Ecotoxicology and environmental safety - 228(2021) vom: 30. Nov., Seite 113047 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Wang, Zhi-Tao [VerfasserIn] |
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| Links: |
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| Themen: |
Audiogram |
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| Anmerkungen: |
Date Revised 20.02.2024 published: Print-Electronic Citation Status Publisher |
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| doi: |
10.1016/j.ecoenv.2021.113047 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
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| 245 | 1 | 0 | |a Auditory evoked potential in stranded melon-headed whales (Peponocephala electra) |b With severe hearing loss and possibly caused by anthropogenic noise pollution |
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| 520 | |a Copyright © 2021 The Authors. Published by Elsevier Inc. All rights reserved. | ||
| 520 | |a Highly concentrated live mass stranding events of dolphins and whales happened in the eastern coast of China between June and October 2021. The current study adopted the non-invasive auditory evoked-potential technique to investigate the hearing threshold of a stranded melon headed whale (Peponocephala electra) at a frequency range of between 9.5 and 181 kHz. It was found that, at the frequency range of from 10 to 100 kHz, hearing thresholds for the animal were between 20 and 65 dB higher than those of its phylogenetically closest species (Pygmy killer whale). The severe hearing loss in the melon headed whale was probably caused by transient intense anthropogenic sonar or chronic shipping noise exposures. The hearing loss could have been the cause for the observed temporal and spatial clustered stranding events. Therefore, there is need for noise mitigation strategies to reduce noise exposure levels for marine mammals in the coastal areas of China | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Audiogram | |
| 650 | 4 | |a Auditory evoked-potential | |
| 650 | 4 | |a Hearing loss | |
| 650 | 4 | |a Melon headed whale | |
| 650 | 4 | |a Stranding | |
| 700 | 1 | |a Supin, Alexander Ya |e verfasserin |4 aut | |
| 700 | 1 | |a Akamatsu, Tomonari |e verfasserin |4 aut | |
| 700 | 1 | |a Duan, Peng-Xiang |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Yi-Ning |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Ke-Xiong |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Ding |e verfasserin |4 aut | |
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