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Research on Marine Mammals Acoustic Ecology
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Research on Marine Mammals Acoustic Ecology

A special issue of Journal of Marine Science and Engineering (ISSN 2077-1312). This special issue belongs to the section "Marine Biology".

Deadline for manuscript submissions: closed (25 February 2024) | Viewed by 4330

Special Issue Editors

Dr. Joanne O'Brien

E-Mail Website
Guest Editor
Marine and Freshwater Research Centre, Galway-Mayo Institute of Technology, Old Dublin Road, H91 X4K8 Galway, Ireland
Interests: marine mammals; bioacoustics; effects of anthropogenic noise; soundscapes and habitat modelling
Special Issues, Collections and Topics in MDPI journals
Dr. Suzanne Beck

E-Mail Website
Guest Editor
Agri-Food and Biosciences Institute, Belfast, UK
Interests: bioacoustics; soundscape analysis; long-term monitoring; marine policy and management

Special Issue Information

Dear Colleagues,

Research on the acoustic ecology of marine mammals is ever growing. It is imperative that we gain a greater understanding of their acoustic ecology given the many threats that they face in our coastal and offshore waters, especially now as we navigate such challenging and changing times. Examples of these threats include increasing noise from vessel activity and, in some areas, noise and displacement due to renewable energy developments. The purpose of this Special Issue is to publish a recent collection of papers dealing with advances in research focused on the acoustic ecology of marine mammals.

High-quality papers related to various aspects are encouraged for publication directly, as mentioned below. Novel techniques for the study are encouraged.

  • Topics—acoustic ecology of marine mammals
  • Acoustic behaviour
  • Effects of noise
  • Threats to their acoustic ecology
  • Case studies
  • Monitoring techniques
  • Modelling

Dr. Joanne O'Brien
Dr. Suzanne Beck
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Journal of Marine Science and Engineering is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • marine mammals
  • acoustic monitoring
  • ecology
  • acoustic repertoire
  • anthropogenic threats

Published Papers (2 papers)

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Research

26 pages, 7407 KiB  
Article
Static Acoustic Monitoring of Harbour (Phoca vitulina) and Grey Seals (Halichoerus grypus) in the Malin Sea: A Revolutionary Approach in Pinniped Conservation
by Yaiza Pilar Pozo Galván, María Pérez Tadeo, Morgane Pommier and Joanne O’Brien
J. Mar. Sci. Eng. 2024, 12(1), 118; https://0-doi-org.brum.beds.ac.uk/10.3390/jmse12010118 - 7 Jan 2024
Viewed by 2002
Abstract
Harbour and grey seals rely on acoustic signals to mate, socialise and defend their territory. Previous studies have focused on their behaviour, movements and communication from the coast, leaving a knowledge gap in the offshore environments, and therefore being unable to determine the [...] Read more.
Harbour and grey seals rely on acoustic signals to mate, socialise and defend their territory. Previous studies have focused on their behaviour, movements and communication from the coast, leaving a knowledge gap in the offshore environments, and therefore being unable to determine the proper use they give to those areas and the risks they face around them. Acoustic data collected with a SoundTrap were analysed to assess the detectability of both species in the Malin Sea. Vocalisations were classified based on aural and visual features, as well as using non-parametric classification trees. Differences in the vocalisation rate of grey seals per diel, season and tidal state were also assessed through Generalised Linear Mixed Models, obtaining significant results, and finding similarities in the vocalisations of grey seals with the Scottish and Irish populations. A small sample of adult and pup harbour seals was detected, and differences in call type and number of detections per type were found across the seasons. These results show the importance of the area for both species, and lay the foundations for future studies, which will help to implement proper conservation measures such as Marine Protected Areas. Full article
(This article belongs to the Special Issue Research on Marine Mammals Acoustic Ecology)
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16 pages, 2298 KiB  
Article
First Steps towards the Automated Detection of Underwater Vocalisations of Grey Seals (Halichoerus grypus) in the Blasket Islands, Southwest Ireland
by María Pérez Tadeo, Martin Gammell and Joanne O'Brien
J. Mar. Sci. Eng. 2023, 11(2), 351; https://0-doi-org.brum.beds.ac.uk/10.3390/jmse11020351 - 4 Feb 2023
Cited by 1 | Viewed by 1823
Abstract
Underwater vocalisations of grey seals (Halichoerus grypus) were recorded by static acoustic monitoring (SM2M, Wildlife Acoustics) in the vicinity of a colony located at White Strand beach on Great Blasket Island, southwest Ireland during the pre-breeding and breeding seasons. Grey seal [...] Read more.
Underwater vocalisations of grey seals (Halichoerus grypus) were recorded by static acoustic monitoring (SM2M, Wildlife Acoustics) in the vicinity of a colony located at White Strand beach on Great Blasket Island, southwest Ireland during the pre-breeding and breeding seasons. Grey seal vocalisations were first classified across nine different categories based on aural and visual characteristics of the spectrograms, providing an acoustic repertoire for grey seals. This classification was further investigated by applying a classification tree analysis, resulting in five of the initial nine groups being selected. Furthermore, a comparison of two common approaches for the detection and extraction of vocalisations from acoustic files was done using the software Raven Pro and PAMGuard. The outputs of this study will present an essential first step towards the development of a protocol for underwater acoustic monitoring of grey seals in Irish waters and elsewhere. Full article
(This article belongs to the Special Issue Research on Marine Mammals Acoustic Ecology)
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