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Program Studi Pemanfaatan Sumberdaya Perikanan Fakultas Perikanan dan Ilmu Kelautan, Universitas Sam Ratulangi, Kampus Unsrat, Manado 95115
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JURNAL ILMU DAN TEKNOLOGI PERIKANAN TANGKAP
Published by Universitas Sam Ratulangi
ISSN : 23374306     EISSN : 2656906X     DOI : https://doi.org/10.35800/jitpt.10.1.2025.58699
Core Subject : Economy, Social, Engineering,
Civil Engineering, Building, Construction & Architecture Economics, Econometrics & Finance Engineering Environmental Science Mechanical Engineering
Memuat hasil penelitian dan critical review (tinjauan kritis) tentang ilmu dan teknologi perikanan dan kelautan yang mencakup, tapi tidak terbatas pada bidang: rancang bangun dan hidrodinamika alat tangkap ikan, rancang bangun dan hidrodinamika kapal perikanan, operasi penangkapan ikan, meteo-oseanografi perikanan dan kelautan, daerah penangkapan ikan, biologi perikanan, pengelolaan perikanan dan kelautan
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Perairan
Articles 3 Documents
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Search results for , issue "Vol. 10 No. 1 (2025): Januari-Juni" : 3 Documents clear
Evaluasi efektivitas padat tebar yang berbeda pada sistem ekstensif polikultur terhadap pertumbuhan dan kualitas agar rendemen rumput laut (Gracilaria verrucosa): Assessment of varying stocking densities in extended polyculture systems on the development and yield quality of seaweed (Gracilaria verrucosa) Fitriyanti Putri Permata Sari; Andi Rahmad Rahim
JURNAL ILMU DAN TEKNOLOGI PERIKANAN TANGKAP Vol. 10 No. 1 (2025): Januari-Juni
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/jitpt.10.1.2025.58699

Abstract

Gracilaria verrucosa is a kind of seaweed with significant potential for pond culture, particularly among farmers, since it serves as the primary source of agar production, which is experiencing rising demand. Nonetheless, pond output remains insufficient to satisfy market demands, necessitating innovation in cultivation methods and enhanced production efficiency. The researcher intends to assess the efficacy of various stocking densities in an extended polyculture system on the growth and quality of agar production from Gracilaria verrucosa seaweed. This research employs a quantitative approach utilizing an experimental methodology. This study had a fully randomized design (CRD) with three treatments, each replicated three times. Treatment A (Density 150 g/cm³), Treatment B (Density 200 g/cm³), Treatment C (Density 250 g/cm³). This study method employs a test medium container designed as a net, into which seaweed lips are placed, followed by a 35-day observation of growth. Data analysis was conducted utilizing analysis of variance, succeeded by the Tukey test, with a confidence level of 95% (p<0.05). Varied stocking densities influenced the development of Gracilaria verrucosa, the effectiveness of good stocking density in treatment A (150g) obtained the highest absolute length of 8g for 35 days.
Performa Teknis Kapal Handline Anita Jaya X di Pelabuhan Perikanan Samudera Cilacap: Technical Performance of Handline Vessel Anita Jaya X at Samudera Cilacap Fishery Port Yuwandana, Dwi Putra; Amalia, Farah Nur; Bangun, Tri Nanda Citra
JURNAL ILMU DAN TEKNOLOGI PERIKANAN TANGKAP Vol. 10 No. 1 (2025): Januari-Juni
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/jitpt.10.1.2025.58115

Abstract

The fishing industry is a vital sector for the global economy and food security because this industry plays a role in providing food and economic income for business actors. However, the fishing industry also often faces challenges such as competition to obtain supplies of fresh fish raw materials. The decline in the quality of caught fish is also influenced by handling that does not comply with standards or inadequate storage conditions. The loading capacity of a ship is influenced by the value of the ship's displacement, the ship's dead weight, and the weight of the empty ship. Therefore, this research aims to estimate the value displacement, empty ship weight (Light Weight Ton/LWT), ship dead weight (Dead Weight Tonnage/DWT), and the maximum amount of catch that can be loaded on the ship. Collecting research data by taking ship measurements and interviews. The sampling technique is carried out randomly accidental sampling. The research results show that the Anita Jaya X ship has value displacement amounting to 72.02 tons, empty ship weight (Light Weight Ton/LWT) of 12.15 tons, and ship dead weight (Dead Weight Tonnage/DWT) of 59.87 tons. Therefore, it can be concluded that to avoid a decrease in the quality of caught fish due to mismatches in the loading capacity and hold of caught fish then the Anita Jaya X can load up to 53.71 tons of fish.
Studi Konstruksi Bagan Apung Milik Nelayan Kelurahan Batu Putih Atas Kota Bitung: Study of the Construction of Floating Fish Aggregating Devices Owned by Fishermen in the Batu Putih Atas Subdistrict, Bitung City Karyanto; Manohas, Jul; Santoso, Heru; Darondo, Franky Adrian; Katili, Lidya; Putri, Elsari Tanjung
JURNAL ILMU DAN TEKNOLOGI PERIKANAN TANGKAP Vol. 10 No. 1 (2025): Januari-Juni
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/jitpt.10.1.2025.59770

Abstract

Bitung City is one of the centers for fisheries production, with the main commodity being capture fisheries, specifically small pelagic fish (mackerel scad (decapterus), mackerel fish (Rastrelliger), tuna (Euthynnus affinis) , and anchovy (Stolephorus indicus)). The purpose of this research is to describe the construction of a floating net cage to support the successful capture of small pelagic fish. The study was conducted from October to December 2024. The data collection methods used were observation and direct interviews with fishermen, and the data were analyzed using qualitative descriptive analysis. The results of the study show that the construction of the lift net includes: a wooden frame measuring 9.5 x 8.5 meters, wooden and net enclosures measuring 3x3 meters, 24 LED lights, a polyethylene net (Cang) measuring 9.5x8.5 meters, a guard house made of wood measuring 2x2 meters, 15 river stones as weights, 4 sand-filled anchors in bags, 12 brass rings, 1 wooden reel, and 24 styrofoam buoy floats.

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