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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 40 Documents
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Search results for , issue "Vol. 28 No. 3 (2023): October" : 40 Documents clear
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/

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.
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/

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.
Application of Photoperiod Manipulation and Type of Feed on the Growth and Survival of Clarias gariepinus Fry Pandiangan, Dian Pramanda; Suharman, Indra; Aryani, Netti
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/

Abstract

African catfish (Clarias gariepinus) is a freshwater fish that has the advantages of fast growth, high economic value, adaptability to environmental changes, and easy marketing. This study aims to analyze the growth rate, survival rate, and nutritional content of African catfish after being treated with photoperiod and different types of feed. The research was conducted from September to December 2022, at the Fish Health Laboratory at the Matauli Marine and Fishery College, Central Tapanuli. The method used is an experimental method by applying a Completely Randomized Design Factorial, two factors, and three replications. The first factor is the photoperiod (B), namely natural (B1), 18 hours dark 6 hours light (B2), 24 hours dark (B3), and the second factor is the type of feed (A), commercial feed (A1) and maggot (A2). The test fish used were obtained from the Central Tapanuli Fish Cultivation Seed Center measuring 16.01±0.02 cm and weighing 30.00 ± 0.00 g for a total of 126 individuals. Fish were reared for four weeks in rearing containers with a stocking density of 1 fish/10L. Feed is given four times a day, namely at 06.00, 12.00, 18.00, and 24.00 ad satiation. The results showed that photoperiod manipulation and different types of feed affected the growth and survival of African catfish fry (p<0.05). The combination of photoperiod 24 hours dark and maggot feed (B3A2) gave the best results on absolute weight growth of 22.70g, absolute length of 2.56 cm, a specific growth rate of 2.01%/day, a survival rate of 100%, and nutritional content of fish meat such as protein of 18.97%, 8.68% fat, 0.73% fiber, 1.54% ash, and 80.26% water.
Marketing Strategy for Processed Smoked Fish at Sipujuk Farm Ikur Koto Panjang, Koto Tangah, Padang West Sumatra Srilona, Mersy Applika; Warningsih, Trisla; Yulinda, Eni
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/

Abstract

This research was conducted in May 2022 in Ikur Koto Panjang Village, Koto Tangah District, Padang City. This research aims to analyze internal and external factors and marketing strategies in Sipujuk Farm; the internal factors in question are strengths and weaknesses, while external factors are opportunities and threats to the smoked fish marketing strategy at Sipujuk Farm. The method used in this research is the survey method by conducting interviews directly in the field and collecting data by filling out questionnaires. Respondents totaled nine people who were taken by purposive sampling with predetermined criteria. Data analysis techniques using SWOT analysis try to describe and analyze the level of advantages, disadvantages, opportunities, and threats as well as what kind of marketing strategies should be carried out by businesses in Sipujuk Farm Padang in marketing them. The results of this study are from the results of the analysis of internal factors obtained weighting score value on smoked fish business Sipujuk Farm Padang, namely for internal 2.89 and analysis of external factors received weighting score value on smoked fish business Sipujuk Farm Padang, namely 1.96. The strategy prioritized in the Sipujuk Farm smoked fish business is in the position I (aggressive strategy) to grow and develop, namely the SO strategy. These strategies include Maintaining product quality, expanding target marketing, utilizing certain parties when visiting to introduce smoked fish businesses both on social media and the real world, product quality that has the characteristic of being a differentiator from other smoked fish and a place of business that carries out overall fishery activities and maintains the image or image of the Sipujuk Farm Padang smoked fish business.
Sustainability Status of Four-Finger Threadfin (Eleutheronema tetradactylum) Management in Sinaboi Sub-District Rokan Hilir District, Riau Province Gea, Efvin Kridayanti; 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/

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.
Business Analysis of Tilapia (Oreochromis niloticus) at Pond of Running 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/

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.
Community Structure of the Bivalve in Tidung Island Waters, Seribu Islands Regency, DKI Jakarta Province Harahap, Anugrah Setiadari; Nasution, Syafruddin; Efriyeldi, Efriyeldi
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/

Abstract

Community structure is a concept that studies the composition of species and abundance in a community. This research was conducted in April 2022 in the waters of Tidung Island, Seribu Islands Regency. The purpose by conducting this study was to determine the structure of the bivalve community which includes species, density, relative density, diversity, uniformity, dominance, distribution pattern and index of similarity. The research method used in this study is survey method, were carried out at 3 stations, station determination using purposive sampling method taking into account the anthropogenic conditions in the study area. Based on results, types of bivalves found consisted of 6 species of bivalve. The species most commonly found is Atrina pectinata. The abundance of bivalve obtained ranged from 2.67 – 5.47 ind/m2. The results of the ANOVA test between observation stations obtained the value of sig. <0.05, so it can be concluded that the density of Bivalvia between stations was significantly different, except for stations I and III. The distribution pattern of bivalves in the waters of Tidung Island is in groups. The value of the Diversity Index in the study area is classified as moderate (2.06 – 2.12). The uniformity index value during ranged from 0.80 – 0.82 wich is included in the balanced category. The dominance index between stations is different with a value range of 0.25 – 0.28 which means that no species dominates at each station.
Zooplankton Community Structure Based on Different Depths at the Kambang River Estuary, Pesisir Selatan Regency West Sumatra Selvia, Seli; Siregar, Sofyan Husein; Nurrachmi, Irvina
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/

Abstract

This research was conducted in March 2022 at the estuary of the Kambang River, Pesisir Selatan Regency, West Sumatra. This study aims to analyze the structure of the zooplankton community based on depth. The method used is a survey method by determining the sampling location by purposive sampling and zooplankton sampling points by stratified sampling. Sampling of zooplankton utilizing a water pump and filtered using plankton net no. 25, then brought to the laboratory to be identified and the community structure calculated. Sampling was accompanied by water quality pH, temperature, salinity, brightness, current velocity and DO measurements. Four zooplankton species were found in the Kambang River Estuary: Aetideus armatus, Macrosetella sp., Oithona sp., and Cyclops sp. The average value of zooplankton abundance during the day ranged from 1,938.61 - 2,492.50 ind/L, and in the afternoon 1,938.61 - 2,769.45 ind/L, the diversity index during the day was 1.28 - 1.55 and in the afternoon 1.28 - 1.36, the index of uniformity during the day was 0.72 - 0.98 and in the afternoon 0.86 - 0.98, while the index of dominance during the day was 0.40 - 0.53 and in the afternoon 0.40 - 0.52. The one-way ANOVA test results obtained an average value of 0.010 during the day and 0.029 in the afternoon, meaning there was a significant difference in zooplankton abundance between research depths
Analysis of Sediment Organic Matter Content and Macrozoobenthos Abundance in Padang and Pariaman Coastal Waters, West Sumatra Fauzan, Azizul; Nedi, Syahril; Yoswaty, Dessy
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/

Abstract

The research was conducted in June - August 2022 in the coastal waters of Padang and Pariaman, West Sumatera. The method used in this research was a survey method. This research aims to determine the organic matter content of the sediment, the abundance of macrozoobenthos, and the relationship between sediment organic matter and the quantity of macrozoobenthos. Sampling was designed by purposive sampling by using 20x30 cm2 Ekman grab. The organic matter content of sediments in the Padang and Pariaman Coastal Waters, West Sumatra, ranged from 4.09 to 7.53%. The average abundance of macrozoobenthos at the four stations ranged from 20.37 to 90.74 ind/m2. Based on the identification results, the macrozoobenthos class found in the coastal waters of Padang and Pariaman consists of Bivalvia, Gastropods, and Malacostraca. The analysis of the sediment organic matter showed weak position relationships with macrozoobenthos abundance.
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/

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.

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