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Fishes
Special Issues
Underwater Acoustic Technologies for Sustainable Fisheries
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Underwater Acoustic Technologies for Sustainable Fisheries

A special issue of Fishes (ISSN 2410-3888). This special issue belongs to the section "Fishery Facilities, Equipment, and Information Technology".

Deadline for manuscript submissions: 29 June 2024 | Viewed by 4042

Special Issue Editors

Dr. Jianfeng Tong

E-Mail Website
Guest Editor
College of Marine Sciences, Shanghai Ocean University, Shanghai 201306, China
Interests: fisheries acoustics; fisheries oceanography; bio-acoustical ecology; fish habitat
Prof. Dr. Yong Tang

E-Mail Website
Guest Editor
College of Marine Sciences, Shanghai Ocean University, Shanghai 201306, China
Interests: fisheries acoustics; biotelemetry
Prof. Dr. Tohru Mukai

E-Mail Website
Guest Editor
Laboratory of Marine Environment and Resource Sensing, Faculty of Fisheries Sciences, Hokkaido University, Sapporo, Japan
Interests: acoustic engineering; electronic engineering; ocean engineering; acoustics; oceanography; remote sensing
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

The Sixteenth Annual Meeting of Asian Fisheries Acoustics Society (AFAS 2023)—"The International Conference on Underwater Acoustic Technology and Education for Sustainable Fishery In Asia"
13–16 November 2023, Shanghai, China
http://afas-acoustic.org/meeting/Shanghai2023/index.html

Dear Colleagues,

Underwater acoustic technologies have rapidly emerged as indispensable tools in fisheries management and conservation efforts. Their capacity to deliver valuable insights into the behavior, migration patterns, population dynamics, and monitoring of ecosystems in relation to fish holds tremendous potential in advancing the sustainability of global fisheries. This Special Issue aims to showcase cutting-edge applications of underwater acoustic technologies across various aspects of sustainable fisheries, highlighting their importance in achieving effective management strategies. We invite researchers, scientists, and practitioners to submit original research articles and reviews that address, but which are not limited to, the following topics:

  1. Fisheries acoustics and echo surveys;
  2. Acoustic biotelemetry;
  3. Ecosystem monitoring;
  4. Fish counting and behavior monitoring;
  5. Aquaculture monitoring;
  6. Integration of artificial intelligence and autonomous systems;
  7. Technological challenges and future directions.

We encourage contributions from interdisciplinary research teams, encompassing fisheries scientists, acousticians, engineers, and policymakers, to provide a comprehensive overview of the field. Additionally, case studies demonstrating the successful implementation of underwater acoustic technology for sustainable fisheries management are highly encouraged.

Dr. Jianfeng Tong
Prof. Dr. Yong Tang
Prof. Dr. Tohru Mukai
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. Fishes 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

  • fisheries acoustics
  • acoustic biotelemetry
  • acoustics in marine ranch and fresh water
  • echo survey
  • habitat mapping
  • ecosystem monitoring
  • fish counting
  • fish behavior monitoring
  • aquaculture monitoring
  • passive acoustic monitoring

Published Papers (3 papers)

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Research

15 pages, 4514 KiB  
Article
Vocalization Pattern and Echolocation Signal Characteristics of Yangtze Finless Porpoise (Neophocaena asiaeorientalis asiaeorientalis) in Captivity
by Jia Chen, Haiying Liang, Danqing Lin, Jialu Zhang, Dong Li, Kun Ye, Wenfei Lu and Kai Liu
Fishes 2024, 9(4), 119; https://doi.org/10.3390/fishes9040119 - 28 Mar 2024
Viewed by 662
Abstract
The Yangtze finless porpoise (Neophocaena asiaeorientalis asiaeorientalis, YFP) possesses the ability to detect distance through echolocation signals, and its sonar signal signature is adjusted to detect different targets. In order to understand the vocal characteristics of YFPs in different behavioral states [...] Read more.
The Yangtze finless porpoise (Neophocaena asiaeorientalis asiaeorientalis, YFP) possesses the ability to detect distance through echolocation signals, and its sonar signal signature is adjusted to detect different targets. In order to understand the vocal characteristics of YFPs in different behavioral states and their differential performance, we recorded the vocal activities of YFPs in captivity during free-swimming, feeding, and nighttime resting and quantified their signal characteristic parameters for statistical analysis and comparison. The results showed that the number of vocalizations of the YFPs in the daytime free-swimming state was lower than that in the feeding and nighttime resting states, and the echolocation signals emitted in these three states showed significant differences in the −10 dB duration, −3 dB bandwidth, −10 dB bandwidth, and root-mean-square (RMS) bandwidth. Analysis of the resolution of the echolocation signals of the YFPs using the ambiguity function indicated that their distance resolution could reach the millimeter level. These results indicate that the echolocation signal characteristics of YFPs present diurnal differences and that they can be adjusted with changes in their detection targets. The results of this study can provide certain scientific references and foundations for the studies of tooth whale behavioral acoustics, and provide relevant scientific guidance for the conservation and management of YFPs. Full article
(This article belongs to the Special Issue Underwater Acoustic Technologies for Sustainable Fisheries)
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16 pages, 4321 KiB  
Article
Spatiotemporal Distribution of Antarctic Silverfish in the Ross Sea, Antarctica
by Sara Lee, Wooseok Oh, Hyoung Sul La, Wuju Son, Jeong-Hoon Kim and Kyounghoon Lee
Fishes 2024, 9(2), 47; https://doi.org/10.3390/fishes9020047 - 26 Jan 2024
Viewed by 1252
Abstract
Antarctic silverfish (Pleuragramma antarcticum) play a crucial intermediary role in connecting top predators and krill in the food web of the Antarctic Ocean. Despite their crucial role, research on their abundance is lacking. In this study, we estimated the abundance of [...] Read more.
Antarctic silverfish (Pleuragramma antarcticum) play a crucial intermediary role in connecting top predators and krill in the food web of the Antarctic Ocean. Despite their crucial role, research on their abundance is lacking. In this study, we estimated the abundance of juvenile Antarctic silverfish as foundational data for predicting their abundance. The density of juvenile Antarctic silverfish was estimated using an acoustic backscattering theoretical model. The mean volume backscattering strength was used to investigate the vertical and horizontal distributions of juvenile Antarctic silverfish in the Antarctic Ross Sea. The survey area was located near Cape Hallett, Antarctica, where Antarctic krill (Euphausia superba), ice krill (E. crystallorophias), and Antarctic silverfish coexist. The survey was performed four times using the Korean Antarctic research ship, RV Araon (R/V, 7507 GT). Frame trawls were conducted to identify the length and weight of the target fish species in the survey area. Captured Antarctic silverfish captured measured 3–9 cm. The maximum target strength (TS) was −92.93 dB at 38 kHz, −86.63 dB at 120 kHz, and 85.89 dB at 200 kHz. The average TS was −100.00 dB at 38 kHz, −93.00 dB at 120 kHz, and −106.90 dB at 200 kHz. Most juvenile Antarctic silverfish were found at a depth of 100 m and were distributed closer to sea ice. Between nearshore and polynya waters, the fish demonstrated a proclivity for polynya waters. Full article
(This article belongs to the Special Issue Underwater Acoustic Technologies for Sustainable Fisheries)
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23 pages, 2906 KiB  
Article
Broadband Scattering Characteristic Quantization Technique for Single Fish Based on a Split-Beam Echosounder
by Qiuming Ai, Haisen Li, Jin Yao, Chao Li and Jiangping Tao
Fishes 2024, 9(1), 12; https://doi.org/10.3390/fishes9010012 - 27 Dec 2023
Viewed by 1288
Abstract
The utilization of broadband quantization data increases the possibility of practical applications for fish target recognition based on the acoustic scattering theory. However, the quantification of broadband data is more complex than that of narrowband systems, requiring consideration of the broadband characteristics of [...] Read more.
The utilization of broadband quantization data increases the possibility of practical applications for fish target recognition based on the acoustic scattering theory. However, the quantification of broadband data is more complex than that of narrowband systems, requiring consideration of the broadband characteristics of split-beam transducers, seawater absorption, and circuits. This paper elucidates the scatterer acoustic field equation, transducer power equation, and signal processing flow in split-beam broadband quantization technology for engineering applications. A broadband calculation model based on transducer parameters is proposed to enhance the generalization ability of broadband quantization technology to different types of sonar. The classical echo integration method is combined with Fourier transform to meet the requirements of target strength (TS) estimation under broadband signals. This paper includes a series of experiments to prove the rationality and effectiveness of the method. The results demonstrate that the provided calculation model can more accurately reflect the backscattering characteristics of the scatterer, but certain errors remain. This article analyzes the sources of errors and validates the effectiveness of the new TS calculation method. Full article
(This article belongs to the Special Issue Underwater Acoustic Technologies for Sustainable Fisheries)
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