AI Article Synopsis
- Harbor porpoises in Danish waters exhibit shallow, low-activity dives that may indicate sleeping behavior, as suggested by biologging data.
- These dives are important for understanding the impact of noise exposure and can inform passive acoustic monitoring studies.
- Recognizing these sleeping behaviors has implications for reducing noise exposure and bycatch, as well as ensuring compliance with legal protections for resting animals.
Article Abstract
Shallow, low-activity, low-biosonar parabolic-shaped dives were observed in biologging data from tagged harbor porpoises in Danish waters and identified as potential sleeping behavior. This behavioral state merits consideration in assessing the context for noise exposure and passive acoustic monitoring studies. Similar dives have also been reported for other cetacean species. The existence of low-level bioacoustic dives that may represent that sleeping has implications for the mitigation of not only noise exposure but also of bycatch as well as legal repercussions given the protected status of sleeping, as a part of resting, under many legislative regimes.
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| http://dx.doi.org/10.1007/978-1-4939-2981-8_157 | DOI Listing |
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Review of Low-Level Bioacoustic Behavior in Wild Cetaceans: Conservation Implications of Possible Sleeping Behavior.
Adv Exp Med Biol
June 2016
Department of Bioscience, Aarhus University, DK-4000, Roskilde, Denmark.
Article Synopsis
- Harbor porpoises in Danish waters exhibit shallow, low-activity dives that may indicate sleeping behavior, as suggested by biologging data.
- These dives are important for understanding the impact of noise exposure and can inform passive acoustic monitoring studies.
- Recognizing these sleeping behaviors has implications for reducing noise exposure and bycatch, as well as ensuring compliance with legal protections for resting animals.
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