Ambient noise and temporal patterns of boat activity in the US Virgin Islands National Park
Date
2015-06Metadata
Show full item recordCitable URI
https://hdl.handle.net/1912/7526As published
https://doi.org/10.1016/j.marpolbul.2015.06.047Keyword
Anthropogenic activity; Noise; Communication; Hearing; Vessel; SoundscapeAbstract
Human activity is contributing increasing noise to marine ecosystems. Recent studies have examined the effects of boat noise on marine fishes, but there is limited understanding of the prevalence of this sound source. This investigation tracks vessel noise on three reefs in the US Virgin Islands National Park over four months in 2013. Ambient noise levels ranged from 106-129 dBrms re 1 μPa (100 Hz – 20 kHz). Boat noise occurred in 6-12% of samples. In the presence of boat noise, ambient noise in a low-frequency band (100-1000 Hz) increased by >7 dB above baseline levels and sound levels were significantly higher. The frequency with the most acoustic energy shifted to a significantly lower frequency when boat noise was present during the day. These results indicate the prevalence of boat noise and its overlap with reef organism sound production, raising concern for the communication abilities of these animals.
Description
Author Posting. © The Author(s), 2015. This is the author's version of the work. It is posted here by permission of Elsevier for personal use, not for redistribution. The definitive version was published in Marine Pollution Bulletin 98 (2015): 221-228, doi:10.1016/j.marpolbul.2015.06.047.
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Suggested Citation
Preprint: Kaplan, Maxwell B., Mooney, T. Aran, "Ambient noise and temporal patterns of boat activity in the US Virgin Islands National Park", 2015-06, https://doi.org/10.1016/j.marpolbul.2015.06.047, https://hdl.handle.net/1912/7526Related items
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