distribution Indian Ocean Tomini Bay EAFM Purse seine Selat Bali abundance deep sea fish ikan lemuru pancing ulur tuna Angka acuan sasaran Bitung City Bottom longline Buelamo Catch rate Eastern Indian Ocean Eastern Indian Ocean off west Java FAD FGD Fish aggregating device Handline tuna Hubungan panjang bobot IFM Indian Ocean Dipole Mode Indonesia FMA 572-573 Kerentanan Kinerja teknis Laut Cina Selatan Laut Sulawesi Mini line hauler Model estimasi PPS Bitung Palabuhanratu Pengelolaan perikanan Pole and line Rumpon Samudera Hindia Status stok Stochastic frontier Tarakan fisheries Teluk Tomini Togian Islands Trichiurus lepturus Tuna Tuna Fisheries Uncertainty WPPNRI 573 Western Sumatera YellowfinTuna acoustic