Identifying Hydraulic Characteristics Related to Fishery Activities Using Numerical Analysis and an Automatic Identification System of a Fishing Vessel
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Title
- Identifying Hydraulic Characteristics Related to Fishery Activities Using Numerical Analysis and an Automatic Identification System of a Fishing Vessel
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Author(s)
- Jang, Sung-Chul; Jeong, Jin Yong; Lee, Seung Woo; Kim, Dong Ha
- KIOST Author(s)
- Jeong, Jin Yong(정진용); Kim, Dong Ha(김동하)
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Alternative Author(s)
- 정진용; 이승우; 김동하
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Publication Year
- 2022-11
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Abstract
- Many countries worldwide promote artificial reef projects to increase and preserve fishery resources; however, how artificial reefs form fisheries is unclear. Nevertheless, specific hydraulic features of artificial reefs may attract fish. We selected an underwater reef as a research site to clarify this hypothesis. In this study, environmental conditions around the underwater reef were modeled and quantitatively assessed using numerical analysis. We identified two hydraulic features related to fish attraction: the wake region and the local upwelling region. Their spatial distributions were superimposed on the path of a fishing vessel that was monitored using an automatic identification system (AIS). We showed that various hydraulic characteristics (such as wake region, local upwelling region, and flow velocity) identified in the path of the fishing vessel can be quantitatively evaluated. Increasing amounts of information from the AIS can be used to identify the hydraulic features that attract the most fish and therefore improve the productivities of artificial reefs.
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ISSN
- 2077-1312
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URI
- https://sciwatch.kiost.ac.kr/handle/2020.kiost/43460
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DOI
- 10.3390/jmse10111619
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Bibliographic Citation
- Journal of Marine Science and Engineering , v.10, no.11, 2022
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Publisher
- MDPI AG
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Keywords
- fish activity; fish attraction; fishing vessel; numerical analysis; automatic identification system; underwater reef; wake region; local upwelling region; Ieodo ocean research station
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Type
- Article
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Language
- English
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Document Type
- Article
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