한국수산과학회

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kfas, vol. 54, no. 5, pp.787-797, October, 2021
DOI. https://doi.org/10.5657/KFAS.2021.0787

Tracking of Yellowtail Seriola quinqueradiata Migration Using Pop-up
Satellite Archival Tag (PSAT) and Oceanic Environments Data
위성전자표지와 해양환경자료를 이용한 방어(Seriola quinqueradiata)
이동경로 추적 연구

김창신*·양지관1·강수진1·이승종2·강수경2
국립수산과학원 연근해자원과, 1(주)전략해양, 2국립수산과학원 수산자원연구센터

Yellowtail Seriola quinqueradiata tagged with a Pop-up Satellite Archival Tag (PSAT) was released off the coast of
near the Moseulpo, Jeju Island and the ecological data during about 40 days was obtained. However, it is difficult to
determine the spatial location of underwater ecological data. To improve the accuracy of estimating the Yellowtail
migration route using temperature, suitable background field of the oceanic environment data was evaluated and used
for input data. After developing of the tracking algorithm for migration route estimation, three experiment cases were
estimated with ecological data among the surface layer, the mixed layer, and the whole water column. All tracking
experiments move from western to eastern Jeju Island. Additionally, tracking experiment using 3D ocean numerical
model reveal that it is possible to estimate the migration route using the fish ecological data of the entire water
column. Therefore, using a large number of ecological data and a high-accuracy ocean numerical model to estimate
the migration route seems to be a way to increase the accuracy of the tracking experiment. Moreover, the tracking
algorithm of this study can be applied to small pelagic fishery using small archival electronic tags to track the migration
route.

Keyword : PSAT, Migration route, Tracking algorithm, Yellowtail, Seriola quinqueradiata

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