ArticlePloS one2016
Seasonal and Diel Vocalization Patterns of Antarctic Blue Whale (Balaenoptera musculus intermedia) in the Southern Indian Ocean: A Multi-Year and Multi-Site Study.
Article in PloS one, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Modelling the influence of environmental factors on the acoustic presence of blue whale populations in the southern Indian Ocean.Scientific reports · 2025Article
- Multiscale Sample Entropy-Based Feature Extraction with Gaussian Mixture Model for Detection and Classification of Blue Whale Vocalization.Entropy (Basel, Switzerland) · 2025Article
- Diverse baleen whale acoustic occurrence around two sub-Antarctic islands: A tale of residents and visitors.Scientific reports · 2024Article
- Ultrasonic vocalisation rate tracks the diurnal pattern of activity in winter phenotype Djungarian hamsters (Phodopus sungorus).Journal of comparative physiology. B, Biochemical, systemic, and environmental physiology · 2024Article
- Seasonal acoustic presence of marine mammals at the South Orkney Islands, Scotia Sea.Royal Society open science · 2024Article
- Multiple pygmy blue whale acoustic populations in the Indian Ocean: whale song identifies a possible new population.Scientific reports · 2021Article
- Marine soundscape variation reveals insights into baleen whales and their environment: a case study in central New Zealand.Royal Society open science · 2021Article
- An open access dataset for developing automated detectors of Antarctic baleen whale sounds and performance evaluation of two commonly used detectors.Scientific reports · 2021Article
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Passive acoustic monitoring is an efficient way to provide insights on the ecology of large whales. This approach allows for long-term and species-specific monitoring over large areas. In this study, we examined six years (2010 to 2015) of continuous acoustic recordings at up to seven different locations in the Central and Southern Indian Basin to assess the peak periods of presence, seasonality and migration movements of Antarctic blue whales (Balaenoptera musculus intermedia). An automated method is used to detect the Antarctic blue whale stereotyped call, known as Z-call. Detection results are analyzed in terms of distribution, seasonal presence and diel pattern of emission at each site. Z-calls are detected year-round at each site, except for one located in the equatorial Indian Ocean, and display highly seasonal distribution. This seasonality is stable across years for every site, but varies between sites. Z-calls are mainly detected during autumn and spring at the subantarctic locations, suggesting that these sites are on the Antarctic blue whale migration routes, and mostly during winter at the subtropical sites. In addition to these seasonal trends, there is a significant diel pattern in Z-call emission, with more Z-calls in daytime than in nighttime. This diel pattern may be related to the blue whale feeding ecology.
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