Passive acoustic measurement of dive vocal behavior and group size of Blainville's beaked whale (Mesoplodon densirostris) in the tongue of the ocean (TOTO)

Authors

  • Nancy DiMarzio Naval Undersea Warfare Center Division, Newport, RI, United States
  • David Moretti Naval Undersea Warfare Center Division, Newport, RI, United States
  • Jessica Ward Naval Undersea Warfare Center Division, Newport, RI, United States
  • Ronald Morrissey Naval Undersea Warfare Center Division, Newport, RI, United States
  • Susan Jarvis Naval Undersea Warfare Center Division, Newport, RI, United States
  • Anna Maria Izzi Naval Undersea Warfare Center Division, Newport, RI, United States
  • Mark Johnson Naval Undersea Warfare Center Division, Newport, RI, United States
  • Peter Tyack Naval Undersea Warfare Center Division, Newport, RI, United States
  • Amanda Hansen Naval Undersea Warfare Center Division, Newport, RI, United States

Abstract

The vocal behavior of Blainville's beaked whale (Mesoplodon densirostris) was measured using the bottom-mounted hydrophones of the Atlantic Undersea Test and Evaluation Center (AUTEC) in the Bahamas. The statistics for the vocal durations and gaps within these vocal periods were measured over multiple deep foraging dives. The sizes of foraging groups of M. densirostris were estimated from the dive vocalization durations by applying click rate and detection ratio statistics derived from Woods Hole Oceanographic Institution (WHOI) Digital recording Tags (DTags) to visually verified data collected on the AUTEC range.

Additional Files

Published

2008-03-01

How to Cite

1.
DiMarzio N, Moretti D, Ward J, Morrissey R, Jarvis S, Izzi AM, Johnson M, Tyack P, Hansen A. Passive acoustic measurement of dive vocal behavior and group size of Blainville’s beaked whale (Mesoplodon densirostris) in the tongue of the ocean (TOTO). Canadian Acoustics [Internet]. 2008 Mar. 1 [cited 2024 Nov. 21];36(1):166-72. Available from: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/2007

Issue

Vol. 36 No. 1 (2008)

Section

Proceedings of the Acoustics Week in Canada

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