Are the 1/3-Octave Band 63- and 125-Hz Noise Levels Predictive of Vessel Activity? The Case in the Cres–Lošinj Archipelago (Northern Adriatic Sea, Croatia)

  • Marta PicciulinEmail author
  • Linda Sebastianutto
  • Caterina Maria Fortuna
  • Peter Mackelworth
  • Draško Holcer
  • Nikolina Rako Gospić
Part of the Advances in Experimental Medicine and Biology book series (AEMB, volume 875)


A 3-years sea ambient-noise (SAN) monitoring was carried out in the Cres–Lošinj Archipelago (Croatia), where a bottlenose dolphin population is threatened by unregulated nautical tourism. A total of 540 5-min SAN samples were collected and analyzed in an Indicator 11.2.1 (Marine Strategy Framework Directive) perspective. The 1/3-octave band center frequencies of 63 and 125 Hz (re 1 μPa.rms) proved to be predictive of local predominant ship type over time. However, the noisiest band level was centered on 200 Hz. We therefore suggest measuring a wider frequency band than those requested in Indicator 11.2.1.


Noise Boat Dolphins 



We are grateful to Marta Bolgan for valuable comments on the present manuscript.


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Copyright information

© Springer Science+Business Media New York 2016

Authors and Affiliations

  • Marta Picciulin
    • 1
    Email author
  • Linda Sebastianutto
    • 1
  • Caterina Maria Fortuna
    • 2
  • Peter Mackelworth
    • 1
  • Draško Holcer
    • 1
    • 3
  • Nikolina Rako Gospić
    • 1
  1. 1.Blue World Institute of Marine Research and ConservationVeli LošinjCroatia
  2. 2.Italian National Institute for Environmental Protection and ResearchRomeItaly
  3. 3.Croatian Natural History MuseumZagrebCroatia

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