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Documenting and assessing dolphin calls and ambient and anthropogenic noise levels via PAM and a SPL meter
Dudzinski, K.M.; Melillo-Sweeting, K.; Gregg, J.D. (2016). Documenting and assessing dolphin calls and ambient and anthropogenic noise levels via PAM and a SPL meter, in: Popper, A.N. et al. (Ed.) The effects of noise on aquatic life II. Advances in Experimental Medicine and Biology, 875: pp. 245-253. hdl.handle.net/10.1007/978-1-4939-2981-8_29
In: Popper, A.N.; Hawkins, A. (Ed.) (2016). The effects of noise on aquatic life II. Advances in Experimental Medicine and Biology, 875. Springer Science+Business Media, Inc: New York. ISBN 978-1-4939-2980-1. xxx, 1292 pp., more
In: Advances in Experimental Medicine and Biology. Springer: Berlin. ISSN 0065-2598, more
Peer reviewed article  

Available in  Authors 

Keywords
    Marine mammals; Monitoring; Marine
Author keywords
    Autonomous passive acoustic monitoring; Ambient-noise levels; Vocalization;

Authors  Top 
  • Dudzinski, K.M.
  • Melillo-Sweeting, K.
  • Gregg, J.D.

Abstract
    Song Meter SM2M marine recorders were deployed to document dolphin calls and ambient and anthropogenic noise. Recordings from Bimini were split into 2-h segments; no segment was without dolphin calls. At Dolphin Encounters, average noise levels ranged from 110 to 125 dB; the highest source level was 147.98 dB re 1 µPa at 1 m. Average ambient-noise levels documented at 4 sites in Guam were below 118 dB re 1 µPa at 1 m. These data were compared with values from a custom-built sound pressure level (SPL) meter and confirm that the SM2M recorder is a useful tool for assessing animal calls and ambient and anthropogenic noise levels.

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