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ANALISIS ALUR PEMASARAN IKAN TUNA MADIDIHANG DI PASAR ARUMBAE KOTA AMBON Tawari, Ruslan Husen Saban; Paillin, Jacobus B.; Tikno, Iqno; Salma, Salma; Tuapetel, Friesland
Amanisal: Jurnal Teknologi dan Manajemen Perikanan Tangkap Vol 13 No 1 (2024): Amanisal: Jurnal Teknologi dan Manajemen Perikanan Tangkap
Publisher : Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/amanisalv13i1p55-63

Abstract

Arumbai Market, Ambon, Maluku Province is a central market for fishery sales that has a great opportunity in the transaction of fishery products, both from inside and outside the island of Ambon. One type of fish that is excellent in the marketing of fishery products is Tuna. The purpose of this study is to analyze the feasibility of catching and distributing yellowfin tuna caught in Tuna fish marketed in the Arumbai Ambon market. The data collection method used primary data sources and secondary data sources. Based on the results of the measurement of length and weight of the type of Yellowfin tuna marketed in the Arumbai Ambon market, it is dominated by the length 21 – 98.1 cm Fl and the weight 0.1-15 kg amounting to 545 individuals while in the length 98.2 – 115.2 cm Fl and the weight 15.2-20 kg amounting to 55 individuals, while the percentage of the length of Yellowfin tuna marketed in the Arumbai Ambon market based on the location of its supply shows that the supply of AFP is 7.50% of fish that are worth catching and 36.67% of fish are not worth catching. The percentage of fish supply contribution that is not worth catching to the Arumbai Ambon Market in order is the Latuhalat Village supply of 23.83% is not worth catching 0.50% is worth catching, the Huamual Belakang supply of 26.50% is not worth catching 0.83% is worth catching, and from the Company of 3.83% is not worth catching 0.33% is worth catching.
DINAMIKA POPULASI IKAN CAKALANG (KATSUWONUS PELAMIS) DI LAUT SERAM Soukotta, Imanuel VT.; Tuapetel, Friesland
Amanisal: Jurnal Teknologi dan Manajemen Perikanan Tangkap Vol 13 No 2 (2024): Amanisal: Jurnal Teknologi dan Manajemen Perikanan Tangkap
Publisher : Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/amanisal.v13i2.15000

Abstract

This study examines the skipjack tuna fishing industry in North Seram District, Central Maluku Regency, which has been operated by local fishermen for many years. This fishery is categorized as a small-scale and concentrated effort in the Seram Sea, one of the small seas in the Indonesian archipelago, which is part of the Pacific Ocean, covering an area of approximately 12,000 square kilometers. The study employs the length-weight relationship analysis method and the von Bertalanffy growth model. The results indicate that the growth of skipjack tuna can be represented by the equation W = 0.0133L^3.0999 with a determination coefficient of 94%. The b coefficient value for the sampled skipjack tuna was 3.0999, indicating isometric growth (length and weight grow proportionally). The growth coefficient (K) of skipjack tuna was 0.17 per year, with an asymptotic length of 49.586 cm and a t0 value of -0.0748 years. The resulting von Bertalanffy equation is Lt = 49.58{1- e^-0.175(t+0.0748)}, which describes the growth pattern of skipjack tuna in the Seram Sea.
MEKANISME NAVIGASI LAUT DENGAN PEMAKAIAN PETA DAN KOMPAS KR. BAWAL PUTIH III Leisubun, Machmud A. I.; Tuapetel, Friesland; Behuku, Gerson
Amanisal: Jurnal Teknologi dan Manajemen Perikanan Tangkap Vol 14 No 1 (2025): Amanisal: Jurnal Teknologi dan Manajemen Perikanan Tangkap
Publisher : Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/amanisal.v14i1.18550

Abstract

Despite the rapid advancement of digital technology and the widespread adoption of modern electronic navigation systems, conventional navigation method, such as the use of maps and compasses, continue to play a significant role, especially in emergency situations or when electronic systems become unreliable due to signal disruptions. This study aims to evaluate the effectiveness of maps and compasses as navigation method during emergency or shortage condition in the research vessel KR. Bawal Putih III, including accurate determination of the ship’s position and route. Also, this study investigates various factors influencing the effectiveness of this conventional method. The study was conducted from April 17 to June 1, 2024, at the Fisheries Training and Extension Center (BPPP) in Ambon, Maluku. A descriptive approach was employed, with primary data collected through direct observation, interviews, and field measurements, complemented by secondary data from literature and technical documents. The findings revealed that the use of maps and compasses remains effective, particularly for archipelagic regions navigation with complex currents and challenging terrain. KR. Bawal Putih III, equipped with a magnetic compass, nautical charts scaled 1:50,000, and other navigational aids, has proven its capability to effeiciently accomplish training and research vessel function. Possitioning accuracy using maps and compasses highly depends on the crew's interpretation and accurate calculation skills. The novelty of this research lies in its practical evaluation of conventional navigation systems on a modern training vessel, offering a reliable alternative when electronic systems are limited. Thus, the study reinforces the importance of preserving and strengthening conventional navigation skills as a fundamental competency for seafarers, which remains highly relevant in the digital age.