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All Journal Jurnal Bluefin Fisheries
Mohammad Zaini
Politeknik Kelautan dan Perikanan Bitung
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Engineering Mechanical Engineering

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KAJIAN KEBERLANJUTAN PERIKANAN CAKALANG (KATSUWONUS PELAMIS) DI BITUNG Asia Asia; Heru Santoso; Yuli Purwanto; Johnny Tumiwa; Mohammad Zaini
JURNAL BLUEFIN FISHERIES Vol 1, No 1 (2019)
Publisher : Politeknik Kelautan dan Perikanan Bitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (468.725 KB) | DOI: 10.15578/jbf.v1i1.5

Abstract

Cakalang City is a nickname for the city of Bitung which is one of the Minapolitan areas and industrialization of capture fisheries in Indonesia. The purpose of this study is to assess the sustainability status of the Cakalang fisheries in Bitung and develop a strategy for managing the Cakalang fisheries in Bitung to be sustainable. Analysis of existing conditions and indexes for each dimension of sustainable management of skipjack resources, including ecological, economic, social, institutional and technological dimensions is carried out using the Multidimensional Scaling (MDS) approach with ordination techniques modified from the Rapfish program. The sustainability of cakalang fisheries in Bitung at 65.82 percent is in the fairly sustainable category (ecological dimension 46.46 percent, economic dimension 80.01 percent, technology dimension 65.83 percent, and institutional dimensions 58.57 percent), sustainability analysis shows Multidimensional sustainability index values indicate the sustainability status of the skipjack fisheries in Bitung is in a fairly sustainable category. Keywords: Bitung, skipjack, sustainability.
KOMPOSISI HASIL TANGKAPAN RARAPE (BOTTOM GILLNET) DI DESA KULU KECAMATAN LIPKUPANG, KABUPATEN MINAHASA UTARA Heru Santoso; Jul Manohas; Mohammad Zaini; Yuli Purwanto; Johnny H. Tumiwa; Jerry D. Kalesaran
JURNAL BLUEFIN FISHERIES Vol 3, No 2 (2021)
Publisher : Politeknik Kelautan dan Perikanan Bitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (167.481 KB) | DOI: 10.15578/jbf.v3i2.113

Abstract

The aim of this research was to determine the species composition (Kj) and the weight composition (Kb) of the catch using a bottom gillnet whom operated by fishermen the village of Kulu. The research was conducted from October to December 2020. The research method was experimental fishing using gillnets with a 3 inch mesh size. The fishing operation took place over 15 trips and the fishing area was around the waters of the village of Kulu. The results showed that the catch was 117 fish including 15 kinds of fish and one type crustacean. The composition based on the dominant fish species is Naso hexacanthus (29.06%), whereas the composition based on the dominant weight is Portunus pelagicus (33.6%). Keywords : bottom gillnet, composition, kulu village
RANCANG BANGUN HANDLINE TUNA BERPELAMPUNG PADA PENANGKAPAN TUNA Mohammad Zaini; Jul Manohas; Muhammad Zainul Arifin; Johnny Tumiwa; Rewah S Manuel
JURNAL BLUEFIN FISHERIES Vol 1, No 2 (2019)
Publisher : Politeknik Kelautan dan Perikanan Bitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (359.512 KB) | DOI: 10.15578/jbf.v1i2.29

Abstract

AbstractThe successful of handline tuna fishing depend on the skill of fisher itself. The catched tuna are still can swim and be able to relase from the hook if the fisher can’t catchup with the speed and direction of tuna. The long struggling process can reduce both energy of fisher and tuna, those will effect the quality of tuna.   The formula of this research written in question as follows : how is the making process  of Handline with float? What is the size of diameter of float used and its position in line? Is it reduce the downward push? The aim of this research is to make Handline with float to stop the swim of tuna; to try the Handline with float and to know the effect of its float to downward push.This Handline with float made in Workshop Fishing Gear of Poltek KP Bitung. The try process held in Lembeh strait.  The data tested using T Test. The result of this research showed that the float can reduce the mass of testing.Keywords : Handline Tuna with float, design, Lembeh Strait Abstrak               Keberhasilan penangkapan handline tuna tergantung pada keterampilan nelayan itu sendiri. Tuna yang ditangkap masih bisa berenang dan bisa lepas dari kail jika nelayan tidak bisa mengejar dengan kecepatan dan arah tuna. Proses perjuangan panjang dapat mengurangi energi baik perikanan dan tuna, itu akan mempengaruhi kualitas tuna.               Rumusan penelitian ini dituliskan sebagai berikut: bagaimana proses pembuatan Handline dengan pelampung? Berapa ukuran diameter pelampung yang digunakan? Apakah pelampung  mengurangi dorongan ke bawah beban? Tujuan dari penelitian ini adalah merancang Handline dengan pelampung untuk menghentikan berenangnya tuna; untuk mencoba Handline dengan pelampung dan untuk mengetahui efek pelampung terhadap gaya tarik ke bawah.               Handline dengan pelampung ini dibuat di Workshop Fishing Gear Poltek KP Bitung. Proses uji coba dilakukan di selat Lembeh. Data diuji menggunakan Uji T. Hasil penelitian ini menunjukkan bahwa penggunaan pelampung dapat mengurangi massa atau gaya Tarik kebawah beban pengujian.Kata Kunci : Handline Tuna Berpelampung, Rancang Bangun, Perairan Selat Lembeh
Co-Authors Asia Asia Heru Santoso Jerry D. Kalesaran Johnny H. Tumiwa Johnny Tumiwa Manohas, Jul Muhammad Zainul Arifin Rewah S Manuel Yuli Purwanto