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All Journal JFMR (Journal of Fisheries and Marine Research)
Sulistyaningsih, Ririk Kartika
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Engineering Environmental Science

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CPUE STANDARDIZATION OF CATCH PER UNIT OF EFFORT (CPUE) OF ALBACORE (Thunnus alalunga) CAUGHT FROM LONGLINE FISHERY IN THE EASTERN INDIAN OCEAN Rochman, Fathur; Sulistyaningsih, Ririk Kartika; Arnenda, Gussasta Levi
JFMR (Journal of Fisheries and Marine Research) Vol. 5 No. 1 (2021): JFMR
Publisher : Faculty of Fisheries and Marine Science, Brawijaya University, Malang, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jfmr.2021.005.01.18

Abstract

Albacore (Thunnus alalunga) is sub-tropical tuna that live in the high seas of the Pacific, Atlantic and Indian Ocean. The average catches of albacore from 2013-2017 was 36,235 ton per year. The stock status of the Indian Ocean albacore estimated near  overfished. The aims of this study  is to provide the CPUE standardization of Indonesian tuna longline operated in the Eastern Indian Ocean. This information is important to give the development indication of albacore fisheries in the Indian Ocean. Data were analyzed from onboard observer program during 2006-2018 consist of 2,811 setting. Data then will be analysis using GLM (Generalized Linear Models) include explanatory variables as supporting variables. The result showed that the explanatory variable give a significant contribution to CPUE standardization except the catch season variable This research suggests that the prepared data must include narrower area data (5 x 5 grids of longitude and latitude) and the addition of explanatory variables such as sea surface temperature, sub-surface temperature, dissolved oxygen and abundance of nutrients.
Co-Authors Arnenda, Gussasta Levi Fathur Rochman, Fathur