340 
Fishery Bulletin 114(3) 
Finally, OLS nighttime images were found to be use- 
ful for investigating the distribution of the lights of 
fishing vessels — an outcome that supports the results 
of earlier studies (Semedi et ah, 2002; Saitoh et al., 
2010). However, cloud contamination significantly lim- 
ited the use of OLS images and reduced the density 
of proxy fishing locations; therefore, logbook data are 
needed to confirm the validity of fish occurrences in 
the future. The integration of these empirical data with 
multi sensor remote sensing information within a mod- 
eling platform could offer a powerful and innovative 
way to identify the potential fishing zones for Pacific 
saury and could be used to support fisheries manage- 
ment decisions. 
Acknowledgments 
This work was supported by the Directorate General 
of Higher Education of the Republic of Indonesia. We 
thank the 3 anonymous reviewers for their valuable 
comments. We also recognize the use of OLS images 
downloaded from the Satellite Image Database System 
of the Ministry of Agriculture, Forestry and Fisheries, 
SST and chl-a data from NASA’s Goddard Space Flight 
Center, and SSHA and geostrophic velocity data from 
the AVISO website. 
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