Using vessel surveillance data to estimate spatiotemporal patterns in the short mackerel purse-seine fishery: Implications for time–area closure management in Thai waters

Meeanan, Chonlada; Noranarttragoon, Pavarot; Sinanun, Piyachoke; Sanitmajjaro, Wirat; Takahashi, Yuki; Kaewnern, Methee; Matsuishi, Takashi Fritz

Using vessel surveillance data to estimate spatiotemporal patterns in the short mackerel purse-seine fishery: Implications for time–area closure management in Thai waters

Meeanan, Chonlada; Noranarttragoon, Pavarot; Sinanun, Piyachoke et al.

Marine Policy, 2024, 170, 106382

Permalink : https://hdl.handle.net/2115/97250

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アクセス権	open access
URI	https://hdl.handle.net/2115/97250
タイトル	Using vessel surveillance data to estimate spatiotemporal patterns in the short mackerel purse-seine fishery: Implications for time–area closure management in Thai waters
著者	Meeanan, Chonlada ; Noranarttragoon, Pavarot ; Sinanun, Piyachoke ; Sanitmajjaro, Wirat ; Takahashi, Yuki ; Kaewnern, Methee ; Matsuishi, Takashi Fritz
著者名 Meeanan, Chonlada
著者名 Noranarttragoon, Pavarot
著者名 Sinanun, Piyachoke
著者名 Sanitmajjaro, Wirat
e-Rad_Researcher 00761701 著者名 Takahashi, Yuki
著者名 Kaewnern, Methee
e-Rad_Researcher 60250502 著者名 Matsuishi, Takashi Fritz
言語	英語
キーワード	Fishing effort
	Purse seiners
	Seasonal closure
	Spatiotemporal distribution
	Vessel Monitoring Systems
発行日	2024-09-02
出版者	Elsevier
収録物名	Marine Policy
巻(号)	170
ページ	106382
抄録	Mapping fishing effort and fish abundance across management areas is required to adjust and enforce time–area management measures. Seasonal closures are imposed in Thai waters to mitigate the overexploitation of short mackerel (Rastrelliger brachysoma), one of Southeast Asia’s most economically important pelagic species. This study applied machine learning to fishing vessel surveillance data to estimate spatiotemporal distributions of fishing effort and fish abundance in the Gulf of Thailand (GOT) and the Andaman Sea (ADS) to provide reliable and near real-time information to support seasonal closures. Data collected between 2018 and 2020 from Thai purse seiners targeting short mackerel included VMS data, fishing trip records, and landing information. Spatiotemporal patterns in fishing effort and catch per unit effort (CPUE) were then visualized in relation to the closures in different statistical management zones. The results show that fishing effort in the ADS increased in 2020 from 2018 and 2019, and peaked in 2019 in the GOT. No significant spatiotemporal trend in the distribution of CPUE was identified over the 3 years. Notably, the results reveal spatiotemporal adjustments to fishing effort and CPUE following the implementation of seasonal closures. This study is the first to present a practical approach to using vessel surveillance data to examine seasonal patterns in fishing effort and estimated fish distribution in Thai waters. The findings improve our understanding of fishing effort in response to area closures. The information generated here supports the time–area management of an intensively exploited migratory fish species, given timely and accurate information.
資源タイプ	学術雑誌論文
出版タイプ	Accepted Manuscript
権利情報	Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
権利情報	©2024. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
PISSN	0308-597X
関連情報 (isVersionOf)	出版社版DOI https://doi.org/10.1016/j.marpol.2024.106382