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Hasrun Hasrun
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Economics, Econometrics & Finance Environmental Science Social Sciences

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TINGKAT PEMANFAATAN DAN ESTIMASI POTENSI IKAN CAKALANG (Katsuwonus pelamis) DI KAWASAN TELUK BONE Muhammad Jamal; Hasrun Hasrun; Ernaningsih Ernaningsih
Torani Journal of Fisheries and Marine Science Vol. 24 No. 2 (2014)
Publisher : Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (15.149 KB) | DOI: 10.35911/torani.v24i2.225

Abstract

Information about potency and utilization of Skipjack Tuna in Bone Bay region will support regionalmanagement of fisheries resources in Indonesiabased on characteristic and carrying capacity of marine waters,espcially in Bay region. The aims of this study were to estimate potency of Skipjack Tuna and the level of theirutilization in Bone Bay region and to estimate the primary productivity produced by euphotic zone (Pp).Analysis methods used in this study were catch per unit effort(CPUE) and maximum sustainable yield (MSY),vertically generalized production model (VGPM) which required data of photosynthetically active radiationanddepth of euphotic zone, fish production model by considering energy transfer efficiency among trophic level.This study was conducted for eight months in Luwu Regency.The result of the study showed that the utilization ofthe Skipjack Tunawas bigger than the MSY,.The Ppeu was in the range of 483.3143to 1306.027 mgC m. The Skipjack Tuna biomass estimation was in the range of 97.87 to264.47tonnes Keywords : Skipjack Tuna, utilization, potency, fisheries management, Bone Bay
PETA SEBARAN IKAN CAKALANG (Katsuwonus pelamis) BERDASARKAN BEBERAPA PARAMETER LINGKUNGAN DI TELUK BONE DAN LAUT FLORES Muhammad Jamal; Ernaningsih Ernaningsih; Hasrun Hasrun; M. Banda Selamat
Torani Journal of Fisheries and Marine Science Vol. 26 No. 1 (2016)
Publisher : Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (15.153 KB) | DOI: 10.35911/torani.v26i1.2618

Abstract

Bone Strait and Flores sea are Indonesian waters which has a high fish resources, especially Katsuwonuspelagicus. Those waters are also affected by climate change. Aims of study were to examined distribution map ofKatsuwonus fish based on environemental condition at Bone Strait and Flores Sea. Study was conducted for fourmonths (May – August 2015). Environment parameters (Sea level temperature, Chl a, salnity and pH) wasmeasured in situ at fishing area and fish weight data was measured through measuring fish that caught from poleand line fishermen. Results showed that Katsuwonus from Bone Strait (1 – 2 kg and 3.5 – 5 kg) tended to distributeat temperature, Chl a, salinity and pH account for 29.3oC – 30oC, 0.8 – 1.5 mg/m3 and 28 – 30 o/oo, 7.95 – 8.37respectively. meanwhile fish with 2 – 2.5 kg was distributed at 30oC – 30.3oC, 0.6 – 0.7 mg/m3, 28 – 29 o/oo and8.32 – 8.5 for temperature, Chl a, salinity and pH, respectively. At Flores Sea, Katsuwonus with 1.2 – 1.5 kgtended to distribut at 29.5oC – 30oC, 0.12 – 0.16 mg/m3, 28 – 30 o/oo and 7.95 – 8.57 for temperature, chl a, salinityand pH, respectively. Fish with weight 1.5 – 2.2 kg was spread at 28.5oC – 29oC for temperature, 0.1 – 0.13mg/m3 chl a, 28 – 30o/oo for salinity and 8.38 – 8.5 for pH.Keywords : Distribution map, Katsuwonus fish, environmental factor, Bone Strait and Flores Sea.
Co-Authors Ernaningsih Ernaningsih M. Banda Selamat Muhammad Jamal