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Open AccessArticle

Use of Ecoacoustics to Characterize the Marine Acoustic Environment off the North Atlantic French Saint-Pierre-et-Miquelon Archipelago

1
CNRS, Institut Jean Le Rond d’Alembert, Sorbonne Université, UMR 7190, F-75005 Paris, France
2
Lab-Sticc, ENSTA Bretagne, CEDEX 9, 29806 Brest, France
3
Institue of Sound and Vibration Research, University of Southampton, Southampton SO17 1BJ, UK
4
Direction Générale de l’Armement Techniques Navales, 83000 Toulon, France
5
Association SPM Frag’îles, 97500 St. Pierre et Miquelon, France
6
Direction des Territoires, de l’Alimentation et de la Mer (DTAM), Service Agriculture, Alimentation, Eau et Biodiversité, 97500 St. Pierre et Miquelon, France
7
CNRS, Institut des Neurosciences Paris-Saclay, Université Paris-Saclay, 91190 Gif-sur-Yvette, France
*
Author to whom correspondence should be addressed.
Academic Editor: Philippe Blondel
J. Mar. Sci. Eng. 2021, 9(2), 177; https://doi.org/10.3390/jmse9020177
Received: 16 January 2021 / Revised: 3 February 2021 / Accepted: 4 February 2021 / Published: 9 February 2021
(This article belongs to the Special Issue Monitoring and Assessment of Marine Environmental Pressures)
Visual observations of the marine biodiversity can be difficult in specific areas for different reasons, including weather conditions or a lack of observers. In such conditions, passive acoustics represents a potential alternative approach. The objective of this work is to demonstrate how information about marine biodiversity can be obtained via detailed analysis of the underwater acoustic environment. This paper presents the first analysis of the Saint-Pierre-and-Miquelon (SPM) archipelago underwater acoustic environment. In order to have a better knowledge about the marine biodiversity of SPM, acoustic recordings were sampled at different time periods to highlight seasonal variations over several years. To extract information from these acoustic recordings, standard soundscape and ecoacoustic analysis workflow was used to compute acoustic metrics such as power spectral density, third-octave levels, acoustic complexity index, and sound pressure levels. The SPM marine acoustic environment can be divided into three main sound source classes: biophony, anthrophony, and geophony. Several cetacean species were encountered in the audio recordings including sperm whales (which were detected by visual observations and strandings of 3 males in 2014), humpback, and blue whales. View Full-Text
Keywords: underwater; acoustic environment; ecoacoustics; noise levels underwater; acoustic environment; ecoacoustics; noise levels
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MDPI and ACS Style

Nguyen Hong Duc, P.; Cazau, D.; White, P.R.; Gérard, O.; Detcheverry, J.; Urtizberea, F.; Adam, O. Use of Ecoacoustics to Characterize the Marine Acoustic Environment off the North Atlantic French Saint-Pierre-et-Miquelon Archipelago. J. Mar. Sci. Eng. 2021, 9, 177. https://doi.org/10.3390/jmse9020177

AMA Style

Nguyen Hong Duc P, Cazau D, White PR, Gérard O, Detcheverry J, Urtizberea F, Adam O. Use of Ecoacoustics to Characterize the Marine Acoustic Environment off the North Atlantic French Saint-Pierre-et-Miquelon Archipelago. Journal of Marine Science and Engineering. 2021; 9(2):177. https://doi.org/10.3390/jmse9020177

Chicago/Turabian Style

Nguyen Hong Duc, Paul; Cazau, Dorian; White, Paul R.; Gérard, Odile; Detcheverry, Joël; Urtizberea, Frank; Adam, Olivier. 2021. "Use of Ecoacoustics to Characterize the Marine Acoustic Environment off the North Atlantic French Saint-Pierre-et-Miquelon Archipelago" J. Mar. Sci. Eng. 9, no. 2: 177. https://doi.org/10.3390/jmse9020177

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