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INDONESIA
Jurnal Perikanan dan Kelautan
Published by Universitas Riau
ISSN : 08537607     EISSN : 27218902     DOI : https://doi.org/10.31258/jpk
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Energy Materials Science & Nanotechnology Physics
Jurnal Perikanan dan Kelautan (JPK) aims to promote interdisciplinary research and to foster collaboration among researchers from diverse backgrounds. Jurnal Perikanan dan Kelautan (JPK) is committed to publishing high-quality, original research that makes a significant contribution to fields of aquaculture and fisheries encompassing: Aquaculture Aquaculture Nutrition Management Aquaculture Disease and Immunology Fish Biochemistry, Genetics, and Molecular Biology Fish Reproduction, Physiology, and Endocrinology Fishery Resource Habitats and Management Genetic Engineering and Biotechnology of Aquatic Organisms Aquatic Biology, Environment, and Ecology
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Perairan
Articles 534 Documents
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Financial Analysis and Business Development Strategy for Carp (Cyprinus carpio L) Floating Net at Pulau Harapan Village, Muara Muntai District Narulita, Cynthia; Helminuddin, Helminuddin; Abdusysyahid, Said
Jurnal Perikanan dan Kelautan Vol. 28 No. 2 (2023): June
Publisher : Faculty of Fisheries and Marine, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/

Abstract

The purpose of this study was to analyze the feasibility of the business, and business sensitivity, and develop strategies for the development of a floating net cage business in Pulau Harapan Village, Muara Muntai District. Data collection was carried out in April - August 2021, with a purposive sampling method with a total sample of 34 respondents consisting of 30 respondents of carp floating net cage business farmers and 4 stakeholder respondents. Data were analyzed using financial analysis with discounted investment criteria NPV, IRR, Net B/C R, and undiscounted investment criteria Payback Period, for sensitivity analysis and determining policy strategies using SWOT analysis. The results showed that the calculation of the score value was in quadrant 1 where the floating net cage (KJA) business in Pulau Harapan Village, Muara Muntai District was financially feasible (profitable) so that it could be continued (Go Project) and the results of the sensitivity analysis of the business were still in the profitable category and feasible to continue and the strategy used for the development of the floating net cage business was an Aggressive strategy.
Feasibility Analysis of Asian Redtail Catfish (Hemibagrus nemurus) Cultivation Floating Net Cage System in Pangkalan Kerinci Timur Village, Pangkalan Kerinci District, Pelalawan Regency, Riau Province Akbar, Addinul; Sofyani, Tince; Zulkarnain, Zulkarnain
Jurnal Perikanan dan Kelautan Vol. 28 No. 2 (2023): June
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 Pangkalan Kerinci Timur Sub-district, Pangkalan Kerinci District, Pelalawan Regency, Riau Province to calculate the amount of investment, revenue, profit, and the feasibility level of Asian redtail catfish farming based on financial aspects using investment analysis, revenue, profit, revenue cost of ratio (RCR), financial rate of return (FRR), and payback period of capital (PPC). The method used in this research is the survey method while the determination of respondents is done by census. Data collection was carried out by direct observation, interview, and documentation with 10 mackerel fish farmers. The results showed that the cage size of Asian Redtail Catfish farmers consisted of size of 4×2×1.8 m³, the total investment was (IDR 22,048,997.00), the revenue received was (IDR 28,437,500.00/year), the profit received was (IDR8,442,629.00/year), RCR (1.42), FRR (38.29%), PPC (2.61). Meanwhile, for cages of size 4×4×1.8 m³, the total investment is (IDR30,027,500.00), the revenue received is (IDR 47,500,000.00/year), the profit received is (IDR19,066,669.00/year), RCR (1.67), FRR (63.49%), PPC (1.57). Based on the results of the RCR calculation of more than 1, FRR is greater than the bank interest rate of 6.4%, PPC is less than the maximum time required and the economic life of the equipment used for Asian redtail catfish farming is 3 years, then the Asian redtail catfish farming business is feasible to run but the income level of Asian redtail catfish floating net cage farmers is in the low category
Epizoic Diatom Community Structure in Snails Cerithidea obtusa and Nerita articulata in the Mangrove Ecosystem, Dumai City, Riau Province Renata, Vivien; Siregar, Sofyan Husein; Efriyeldi, Efriyeldi
Jurnal Perikanan dan Kelautan Vol. 28 No. 2 (2023): June
Publisher : Faculty of Fisheries and Marine, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/

Abstract

The purpose of this study was to determine the type, abundance, and community structure of epizoic diatoms attached to the shells of the snails Cerithidea obtusa and Nerita articulata in the mangrove ecosystem of Dumai City, Riau Province. This research was conducted in January 2022. A sampling of snail shells took place in the mangrove ecosystem of the city of Dumai, Riau Province, and was identified at the Marine Chemistry Laboratory, Department of Marine Science, Faculty of Fisheries and Marine, Universitas Riau. Based on the research that has been done, the results show that there are 13 genera of epizoic diatoms consisting of 5 genera centrales and 8 genera of pennales order. The highest abundance of epizoic diatoms in C.obtusa snail shells was at station II with a value of 29,687 ind/cm2. While the highest abundance of epizoic diatoms in N.articulata shells was at station I. Based on the average values ​​​​of diversity index (H'), dominance index (D), and uniformity index (E) it can be concluded that epizoic diatoms in C.obtusa and N.articulata have a moderate biota community balance value, moderate polluted water quality, no dominant species and unbalanced organism uniformity and food competition occurs.
Antioxidant Activity of Bioactive Peptides on Protein Hydrolyze of Bombay Duck (Harpodon nehereus) from Papain Hydrolysis Rahman, R. Fathul; Buchari, Dewita; Hasan, Bustari
Jurnal Perikanan dan Kelautan Vol. 28 No. 2 (2023): June
Publisher : Faculty of Fisheries and Marine, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/

Abstract

This study aimed to examine the antioxidant activity of bioactive peptides on protein hydrolyzes of Bombay duck (Harpodon nehereus)from hydrolysis using papain enzyme. This research used an experimental method, with a wholly randomized non-factorial design consisting of enzyme concentration factors (1,5, 2, and 2,5%). Parameters tested include chemical composition tests of Bombay duck's meat, flour, and protein hydrolyze, identification of short peptide chains, and antioxidant activity. The results showed that Bombay duck protein hydrolyzes with papain enzyme concentration. There was a significant difference, where the enzyme concentration of 2,5% has the highest degree of hydrolysis of 69,18%. The chemical composition of meat was water 73.15% (ww), protein 81.97% (dw), ash 5.57% (dw), and fat 4,49% (dw). The chemical composition of flour Bombay duck was water 8.32% (ww), protein 79.88% (dw), ash 4,89% (dw), and fat 3,41% (dw). The best treatment of Bombay duck protein hydrolyze at an enzyme concentration of 2.5% resulted in a chemical composition of water 6.73% (ww), protein 80,56 % (dw), ash 5,53 % (dw) and fat 3,11 % (dw). The results of the identification of peptide compounds were L-Pro-L-Ile, L-Leu-L-pro, L-Arg-D-Pro, Leu-Ala-Arg-Leu, and L-Thr-L-pro-L-lys. Furthermore, DPPH free radicals (IC50) scavenging power was 5.19%.
Effect of Different Types of Bait in Collapsible Traps Gear on Mangrove Crab (Scylla serrata) Catches in Kampung Laut Waters Sumantri, Abdi Vico; Pramusintho, Bagus; Ramadan, Fauzan
Jurnal Perikanan dan Kelautan Vol. 28 No. 2 (2023): June
Publisher : Faculty of Fisheries and Marine, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/

Abstract

Mangrove crab (Scylla serrata) catching activities generally use collapsible traps. collapsible traps can be operated using bait and not using bait but the catch is less effective if it does not use bait. The purpose of this study was to determine the effect of using different types of bait (fresh stingray, salted stingray, fresh eel, and salted eel) on the catch of mangrove crab in Kampung Laut waters. The material of this research is the catch of mangrove crabs using fresh stingrays, salted stingrays, fresh eels, and salted eels as bait. The research method used is experimental fishing. The data collected includes environmental parameters, the total number of catches, and the size of the catch. Data analysis used a completely randomized design (CRD) and Duncan's follow-up test. The results showed that the different types of bait used had an effect on the number of catches, catch weight, and catch size. This study concludes that the catch of mangrove crabs with salted stingray bait gets the most catches, namely 16 fish, and on salted eel bait gets 13 catches while fresh stingray bait treatment only gets 7 catches and on fresh eel gets 5 catches.
Evaluation of an Environmentally Sound Port (Ecoport) at the Sibolga Archipelago Fishing Port (PPN Sibolga) North Sumatera Province Aritonang, Okto Ijen; Zain, Jonny; Yani, Alit Hindri
Jurnal Perikanan dan Kelautan Vol. 28 No. 2 (2023): June
Publisher : Faculty of Fisheries and Marine, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/

Abstract

Sibolga Archipelago Fishing Port is one of the fishing ports that carry out export activities with destination countries including Thailand, Vietnam, Peru, and Ecuador. The products caught by the Sibolga Archipelago Fishing Port have not been exported to the European market due to regulations on fishery product export certification. These problems can be overcome by implementing the eco-fishing port concept at the Sibolga Archipelago Fishing Port. The purpose of this study was to evaluate the environmentally sound Sibolga Archipelago Fishing Port (ecoport) according to the ecoport standard formulation. The method used in this study is a survey method. Collecting data using a purposive sampling approach. Data analysis was carried out descriptively using standard eco-fishing port parameters which consisted of four aspects, namely the physical ecology of the port, the socio-economic impacts around the port, handling of caught commodities and monitoring of illegal fishing. The results showed that the physical and ecological aspects got a score of 2.66, the socio-economic impact aspect got a score of 2, the handling of caught commodities got a score of 2 and the illegal fishing aspect got a score of 3. The ecoport index analysis got a score of 2.5 which means that the Sibolga Archipelago Fishing Port has been can be called an ecoport.
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.
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.
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.

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