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INDONESIA
Jurnal Perikanan dan Kelautan
Published by Universitas Riau
ISSN : 08537607     EISSN : 27218902     DOI : http://dx.doi.org/10.31258/jpk
Core Subject : Science, Agriculture, Social,
Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Environmental Science Immunology & microbiology Social Sciences
Journal of Fisheries and Marine was published by the Faculty of Fisheries and Marine of the Universitas Riau in 2007. The scope of the research included: Aquaculture, fisheries socioeconomic, fisheries technology, management of aquatic resources, utilization of fisheries and marine resources
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Perairan
Articles 938 Documents
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Modification of Tankring Oven as a Dryer and Sample Storage for Research Activities of Fish Products in Microbiology and Biotechnology Laboratory Nofriati, Nofriati; Ildawati, Ildawati; Erwanti, Erwanti
Jurnal Perikanan dan Kelautan Vol 28, No 3 (2023): October
Publisher : Faculty of Fisheries and Marine, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.28.3.381-386

Abstract

Ovens or artificial/mechanical drying devices are tools used in educational and research activities in laboratories that function for sterilization, drying, and storing samples or processed products. This research modifies the tangkring oven with an innovative use of electricity. The background of the study is because there is no drying device and small sample storage with a small number of samples. The modification aims to make a replacement device as a dryer and sample storage in the laboratory. This study used an experimental method, and the data were analyzed descriptively. The oven that has been modified using a tangkring oven has an inner dimension of length =36 cm; width=36 cm; height =32 cm, heat source from 150-watt halogen lamps totaling two pieces, and a 12 cm diameter fan, the outer part of the tool has a length = 42.5 cm; width = 38 cm; height = 38 cm, equipped with legs and four wheels with a height = 85 cm. Temperature testing was carried out on each shelf with a thermometer as a temperature measuring instrument, with a temperature range of 30-60⁰C. The time required to reach a constant temperature is 0.5 to 20 minutes, and the temperature difference between the regulated temperature and the temperature achieved on the tool ±2ºC shows the results obtained are still within tolerance, the error value is still within tolerance ±5% indicates the results of the tool system performance is not disturbed. From the observations made, it is concluded that the modified tangkring oven can be used as a drying device and sample storage with a faster time and using limited samples for laboratory activities.
Sustainability Status of Four-Finger Threadfin (Eleutheronema tetradactylum) Management in Sinaboi Sub-District Rokan Hilir District, Riau Province Gea, Efvin Krisdayanti; Warningsih, Trisla; Arief, Hazmi
Jurnal Perikanan dan Kelautan Vol 28, No 3 (2023): October
Publisher : Faculty of Fisheries and Marine, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.28.3.316-323

Abstract

This research was conducted in July 2022 in Sinaboi District, Rokan Hilir Regency. This study aimed to analyze the sustainability status and attributes strongly influencing the sustainable management of four-finger threadfin (Eleutheronema tetradactylum) in Sinaboi District, Rokan Hilir Regency. The method used in this research is the survey method. Data sources were collected from primary data and secondary data.  The purposive sampling technique selected nine respondents who met specific criteria. The data obtained were analyzed with RAPFISH to explain the ecological, economic, social, technological, and institutional dimensions that include sustainability attributes through several analyses, including Multidimensional Scaling (MDS) and sensitivity analysis (leverage analysis). The results of the Multidimensional Scaling (MDS) analysis showed that the sustainability index in the ecological dimension with a value of 61.71 and the economic size with a value of 52.12, which has a reasonably sustainable status, as well as in the social dimension with a value of 50.94, the technological extent with a value of 48.81 and the institutional size with a value of 50.40 has a less sustainable status. 9 leverage attributes are sensitive and affect the value of sustainability in the results of sensitivity analysis (leverage analysis) for each dimension. Influential details need to be considered to increase the sustainability value of four-finger threadfin in Sinaboi District
Analysis of the Distribution of Suspended Sediments at High and Low Tides in Nambo Coastal Waters, Kendari City Hasmawati, Hasmawati; Irawati, Irawati; Haraty, Syamsul Razak
Jurnal Perikanan dan Kelautan Vol 28, No 3 (2023): October
Publisher : Faculty of Fisheries and Marine, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.28.3.420-427

Abstract

This research aims to determine the concentration of TSS distribution water quality characteristics and map the distribution of TSS in the waters of Nambo Beach. Determination of research stations used a purposive sampling method consisting of 7 stations. Water samples were taken at high tide and low tide using sample bottles. The method used in this research is a quantitative method and laboratory analysis to determine the TSS value. The method used to analyze TSS samples is the gravimetric method. The research results show that the distribution of TSS at high tide ranges between 21.80-122.00 mg/L, with the highest TSS value at stations 1-2, while the lowest value is at station 4, namely 21.80 mg/L. The TSS value at low tide ranges from 13.20-19.90 mg/L
A Supply Chain Approach to Mapping the Distribution of Marine Catch: A Case Study on the Constraints of Wonorejo Fishing Village Patriadi, Andi; Saves, Faradlillah
Jurnal Perikanan dan Kelautan Vol 28, No 3 (2023): October
Publisher : Faculty of Fisheries and Marine, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.28.3.355-360

Abstract

This research aims to understand the supply chain of marine catches from fishermen to consumers in the Wonorejo village area. Data was collected through in-depth interviews with three fishermen and two collectors in the area. The findings indicate that the limited number of collectors can significantly impact the distribution of marine catch and, subsequently, the fishermen's income. Moreover, variations in the type of fish caught play a pivotal role in influencing the distribution dynamics within the market. While there's an apparent need for interventions to enhance the supply chain's efficiency and promote a more equitable distribution of income, it's vital to note that this study's limitations, including sample size and geographic scope, necessitate its results to be viewed as preliminary. Future research in a broader setting must confirm and expand upon these findings
Financial Analysis of Eucheuma cottoni in Bontang Kuala Village, Bontang City Fitriyana, Fitriyana; Helminuddin, Helminuddin; Ningsih, Etik Sulistiowati; Wahyuni, Ike Tri
Jurnal Perikanan dan Kelautan Vol 28, No 3 (2023): October
Publisher : Faculty of Fisheries and Marine, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.28.3.284-290

Abstract

Research analysis of the Eucheuma cottoni seaweed cultivation business was conducted in July-September 2022 located in Bontang Kuala Village, Bontang City. The purpose of this study was to analyze the E.cottoni seaweed cultivation business financially by calculating production costs, revenue, and profits from the E.cottoni seaweed cultivation business, and analyzing the feasibility of E. cottoni seaweed cultivation business in Bontang Kuala Village, Bontang City. The selection of the location of this research was carried out intentionally with the consideration that there were E.cottoni seaweed cultivation business actors in Bontang Kuala Village, Bontang City, and the determination of respondents was carried out by census. Date using analysis with the formula Total cost (TC), Revenue or gross income (TR), profit analysis (π), Financial analysis Net Present Value (NPV), Net Benefit Cost Ratio (Net B/C), Internal Rate of Return (IRR), and Payback period. The results showed that the investment value incurred by E.cottoni seaweed cultivators was 77,726,000 with the largest investment cost being the drying floor of IDR 30,000,000 and the smallest investment cost being a knife of IDR 24,000. The revenue obtained by E.cottoni seaweed cultivators was 345,600,000/year with the selling price of dried seaweed at the time of this research carried out at IDR 8,000/kg of the amount of dried seaweed production of 34,560 kg/year. NPV obtained from the calculation of 429,564,890. Net B/C generated in the seaweed cultivation business in Bontang Kuala Village is 6.53. The IRR value obtained is 137%. The payback period (PP) value obtained based on calculations is 1.5 years or 18 months. Based on the calculation obtained NPV> 0, Net B / C> 1, IRR> OCC (3%) seaweed cultivation in its business in Bontang Kuala Village the development of its business is feasible and can be continued because it can still cover the operational costs incurred and make a profit.
Business Feasibility Analysis of Freshwater Pomfret (Colossoma macropomum) Enlargement in Cages in Penyasawan Village Kampar Regency Riau Province Rizki, Hafizri Deni; Hendrik, Hendrik; Arief, Hazmi
Jurnal Perikanan dan Kelautan Vol 28, No 3 (2023): October
Publisher : Faculty of Fisheries and Marine, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.28.3.387-393

Abstract

This research was carried out in Penyasawan Village on 28 March – 28 April 2022. This study aims to analyze the investment, total costs, income, profits, feasibility, and business prospects of freshwater pomfret enlargement in cages in Penyesawan Village. The method used in this study is a survey method with 32 respondents as freshwater pomfret cultivators. The analysis used in this research is business analysis. There are two sizes of cages cultivated by farmers, namely small cages (8×3×2 m) and large cages (10×3×2 m). The results showed that for small cages, the investment of IDR60.531.480/year, the total cost is IDR115.775.107/year, the income is IDR179.874.000/year, and the profit is Rp64.098.893/year. For large cages, the investment is IDR80.223.080/year, the total cost is IDR157.065.240/year, the income is IDR246.834.000/year, and the profit is IDR89.768.760/year. Based on business feasibility, large cages are more feasible than small cages. Based on the prospects, this business is good in terms of profit, marketing, and environmental carrying capacity
Business Analysis of Tilapia (Oreochromis niloticus) at Pond of Fast Water in Koto Tangah District, Padang City, West Sumatera Province Munthe, Desi Natalia; Sofyani, Tince; Hendrik, Hendrik
Jurnal Perikanan dan Kelautan Vol 28, No 3 (2023): October
Publisher : Faculty of Fisheries and Marine, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.28.3.324-330

Abstract

This research was conducted in two Villages, Balai Gadang Village and Lubuk Minturun Village, Koto Tangah District, Padang City, West Sumatera Province with the aim of calculating the amount of investment, revenue, profit and feasibility level of tilapia fish farming of water pouring down based on financial (financial) aspects using analysis of investment, revenue, profit,  Revenue Cost of Ratio (RCR), financial rate of return (FRR), and payback period of capital (PPC). The method used in this study is a survey method. Data collection was carried out by observation, interviews and direct documentation with 7 tilapia cultivators. The results showed that the average investment issued by tilapia cultivators on a small scale was IDR88.432.667, medium scale was IDR147.275.000 and large scale was IDR306.318.000. The average income earned by each cultivator starting from a small scale is IDR214.751.000 with a profit of IDR42.871.133/year, a medium scale of IDR411.033.000 with a profit of IDR93.514.000/year, and a large scale of IDR798.468.000 with a profit of IDR143.500.400/year. The return cost of ratio value obtained for the small scale is 1,25; the medium scale is 1,29; and the large scale is 1,22. The Financial Rate of Return value for each scale is 47,97% small scale, medium scale 62,21%, and large scale 47,76%, and the payback period of capital value for small scale is 2,10 years, medium scale is 1,67 years and large scale 2,15 years
Fish Coolbox using Coconut Fiber (Cocos nucifera) and Baggage (Saccharum sp) Insulated Thahir, Muhammad Agam; Nurlalili, Nurlaili; Khairi, Ihksanul; Zuraidah, Syarifah; Nasution, Muhammad Arif
Jurnal Perikanan dan Kelautan Vol 28, No 3 (2023): October
Publisher : Faculty of Fisheries and Marine, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.28.3.361-366

Abstract

The quality of the catch can be seen from the fish storage container used to maintain its temperature. An insulated storage area can maintain ice resistance during the operation of fishing gear, as well as during the transportation of the catch to the fish landing site. Generally, fishermen use fish storage containers made of fiber with insulation in the form of polyurethane. Some fish storage containers are made from polystyrene-insulated styrofoam. This research aims to determine how optimal cooling is using coconut fiber and sugar cane bagasse insulation. The method used in this research was an experimental method using a Completely Randomized Design (CRD) with one control (Styrofoam cooler box), two treatments (Coconut fiber insulated cooler box and sugarcane bagasse), and three repetitions. The dimensions of the coolbox are the same as those on the market, namely 42 cm x 26 cm x 23 cm and a thickness of 2 cm. The lowest temperature of the coolbox made from coconut fiber insulation, 17.7 °C, was reached after the 70th minute. The bagasse was only able to reach the lowest temperature of 19.4°C, achieved in the 60th minute. Temperature stability in the coconut fiber coolbox reached 2 hours 10 minutes (130 minutes) from 80-200 minutes, while the bagasse coolbox reached 3 hours 40 minutes (220 minutes) from 70-280 minutes
Comparison of Bottom Gillnet Catches with Different Mesh Sizes in the Waters of Sungai Jambat Village, Sadu District Ardiansyah, Ardiansyah; Nelwida, Nelwida; Sulaksana, Indra; Alwi, Yun; Lisna, Lisna; Farizal, Farizal
Jurnal Perikanan dan Kelautan Vol 28, No 3 (2023): October
Publisher : Faculty of Fisheries and Marine, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.28.3.291-298

Abstract

Sadu District is located in East Tanjung Jabung Regency and consists of 9 villages, one of which is Sungai Jambat Village which is characterized by turbid, wavy, muddy, and sandy waters. The majority of fishermen in Sungai Jambat Village use bottom gillnet fishing gear with a mesh size of 3.5 inches and 4 inches. The purpose of this study was to compare the catches of bottom gillnet with mesh sizes of 3.5 inches and 4 inches in the waters of Sungai Jambat Village. The method used in this research is the experimental fishing method. The data collected includes environmental parameters, catch per species (head), and number of catches (head), weight per species (kg), and the total weight of catch (kg). The data analysis used is the descriptive analysis of an independent sample t-test. The results showed that the 3.5-inch mesh treatment was significantly higher than the 4-inch mesh treatment (p<0.05) in terms of the number and weight of bottom gillnet catches. In the 3.5-inch mesh size, the catch was 3,067 individuals with a weight of 248.40 kg, and the number of catches in the 4-inch mesh size was 2,820 individuals with a weight of 234.60 kg. The highest number of catches was leaftail croaker found in a 3.5-inch mesh size of 1,393 individuals, and mantis shrimp was the heaviest catch in a 3.5-inch mesh size weighing 69 kg. Pomfret is the lowest catch in terms of quantity and weight. The conclusion of this study in terms of the number and weight of catches with a 3.5-inch mesh size is higher than the 4-inch mesh size
Utilization of Palm Oil Liquid Waste for Media Culture and Analysis of Chemical Composition of Microalga Skeletonema costatum Husna, Hidayatul; Syafriadiman, Syafriadiman; Syawal, Henni
Jurnal Perikanan dan Kelautan Vol 28, No 3 (2023): October
Publisher : Faculty of Fisheries and Marine, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.28.3.394-400

Abstract

This research was conducted in October 2022 at the SUPM Natural Feed Labor/Maritime and Fisheries Polytechnic Pariaman. The purpose of this study was to obtain a suitable dose of palm oil wastewater for culturing Skeletonema costatum microalgae, to analyze the chemical composition of Skeletonema costatum microalgae, to identify the ability of Skeletonema costatum to utilize nitrate and phosphate content in palm oil wastewater, to see the effect of Skeletonema costatum on water quality which has been contaminated with palm oil liquid waste. The method used was an experimental method with a one-factor Completely Randomized Design (CRD) consisting of 6 (six) treatment levels and 3 (three) replications. The treatment given was palm oil wastewater with different concentration treatment levels, namely 0%, 10%, 15%, 20%, 25%, 30% with 3 (three) repetitions so that a total of 18 experimental units, culture carried out for 6 days. The results showed that palm oil wastewater had an effect on the abundance of Skeletonema costatum. The best treatment for Skeletonema costatum culture media was P5 (300 ml/L), cell abundance 329,260 cells/mL, biomass (dry weight) 7.27 g, chlorophyll-a 0.84, nitrate 0.759 mg/L, phosphate 0.301 mg/L, protein 30.70%, fat 0.291% and carbohydrates 21.96%. Meanwhile, a good CO2 is P0 (control), the best dissolved oxygen level is P5 (300 ml/L). Water quality parameters for a temperature of 160C, pH 8.2

Page 37 of 94 | Total Record : 938

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