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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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The Effect of Light Color of Lamp on Bagan Tancap Catching Equipment on Catches in the Waters of Sadai Village South Bangka Regency Gunawan, Irvan; Lisna, Lisna; Ramadhan, Fauzan; Filawati, Filawati; Nelwida, Nelwida; Nurhayati, Nurhayati
Jurnal Perikanan dan Kelautan Vol. 28 No. 2 (2023): June
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

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

Abstract

Fishermen in the waters of Sadai Village mostly use the Bagan tancap by catching using different colors of lights. The study aimed to determine the effect of light colors (white, red, yellow, green, and blue) on the Bagan tancap fishing gear on catches in the waters of Sadai Village, South Bangka Regency. This research was conducted on April 28 - May 28 2022 in the waters of Sadai Village, South Bangka Regency. The method used is an experimental method using a randomized block design (RBD) and Duncan's further test. The data collected includes the type of catch, the total weight of the catch, the number of catches, and environmental parameters. The results showed that the treatment of different light colors affected the number (fish) and weight (kg) of the catches on the Bagan tancap. The composition of the catch on the Bagan tancap for the species caught is squid (Loligo sp) and Curvespine cuttlefish (Sepia recurvirostra) which are the main catch (HTU) while Starry triggerfish (Abalistes stellaris), mackerel (Rastrelliger brachysoma), Yellowtail scad (Atule mate), and Doublewhip threadfin bream (Nemipterus nematophorus) are by-catch. Based on the results, it can be concluded that blue light is a good color for catches in the form of number (fish) and weight (kg) on ​​the Bagan tancap fishing gear.
Coastal Vulnerability Study Dumai City Riau Province Oktaviani, Vivi; Mulyadi, Aras; Mubarak, Mubarak
Jurnal Perikanan dan Kelautan Vol. 28 No. 2 (2023): June
Publisher : Fakultas Perikanan dan Kelautan 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 assessment and category of vulnerability level and calculate the parameters that affect coastal vulnerability. The method used is a survey method with direct observation, while the analysis method used is the calculation of CVI, the root of the multiplication of each variable weight. The data required includes primary data by direct observation, and secondary data with data from remote sensing satellites, primary data including coastal geomorphology, land use, tides, and secondary data including DEM (Digital Elevation Mode), coastal slope, shoreline changes, relative water level rise, significant wave height. The results of this study at the observation location obtained 3 categories of vulnerability namely low, high, and very high vulnerability levels found on the Dumai coast. The category of vulnerability in the low class is located in Dumai Barat District in Purnama Village with a value of 4.33-5.00, and the category of vulnerability in the high class is located in Dumai Timur District in Purnama Village grid A2 and A4 at Tanjung Palas grid A12,-A14 with a value of 8.66-10.61, and the category of vulnerability in the very high class is located in Dumai Barat District grid A5-A8, Dumai City District grid A9-A10, and Dumai Timur District in Tanjung Palas Village grid A15 with a value of 12.99-20.00.
Economic Valuation of Kampar River Capture Fisheries in Buluhcina Village, Siak Hulu District, Kampar Regency, Riau Province Rahmadita, Annisa; Darwis, Darwis; Warningsih, Trisla
Jurnal Perikanan dan Kelautan Vol. 28 No. 2 (2023): June
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

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

Abstract

This study aims to estimate the potential of the Kampar River ecosystem in Buluhcina Village by analyzing the economic value of its utilization for capturing fisheries. This research was carried out in January 2022 at Kampar River, Buluhcina Village, Siak Hulu District, Kampar Regency, Riau Province. The research method used was a survey method, and the cost of respondents used a purposive sampling technique, with 48 respondents. The data needed in this research includes primary data and secondary data. The data analysis used is a resource economic valuation technique, namely the effect on production (EOP) technique. Based on the results of the research that has been done, it shows that the economic value of the Kampar River ecosystem in Buluhcina Village for the utilization of capture fisheries activities is IDR 34,567,921,433.8/year, with a consumer surplus value of IDR 805,779,054.4/year, and the total economic value of capture fisheries activities per m2 is IDR 30,897.4/m2/year.
The Value of the Benefits of Mangrove Ecosystems in the Village of Pulau Cawan, Mandah, Indragiri Hilir District Aulia, Nurul; Warningsih, Trisla; efizon , Deni
Jurnal Perikanan dan Kelautan Vol. 28 No. 2 (2023): June
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

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

Abstract

The purpose of this study is to know the value of an economic benefit of the total mangrove forest located in the village of Pulau Cawan Indragiri Hilir regency, namely using the concept of valuation economic in calculating the benefits of mangrove existence that has the potential of existing natural resources. This research was conducted in August 2020, The observations made in the field use observations and direct interviews with the local government and the community around the village of Pulau Cawan. The results of the research obtained showed the ecosystem of the mangrove forest area of the village of Pulau Cawan which has an area of ±3,401.66 ha, and there is a value of existing benefits of IDR 21.200.000 ha/year. The factors that will affect the willingness to pay (WTP) of the community around mangrove forests in the form of the respondent's income level, the respondent's education level, the respondent's gender, the respondent's age and the respondent's family dependents. The benefit value of the existence of The Village of Pulau Cawan can be used as a basis for decision-making by the local government and the surrounding community in the management of policies and utilization of mangrove forests in maintaining and preserving mangrove forest ecosystems for the sustainability of the future. With the results obtained in knowing the existence of the value function of a mangrove ecosystem, it can result in the formulation of the mangrove forest conservation reserve area of Pulau Cawan village, namely the implementation and development of the “Ecu-Edu Wisata Mangrove” (EEWM) concept plan.
Study of High Waves and Sea Level during Marian Tropical Cyclone in Southern Sea of Java Fadlan, Ahmad; Sainsfikri, Rijal
Jurnal Perikanan dan Kelautan Vol. 28 No. 2 (2023): June
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

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

Abstract

The southern coastal area of Java is an area directly bordering the Indian Ocean. This area often experiences high waves, which have an impact on community activities in coastal areas. High waves on the south coast of Java generally occur due to the impact of the Australian monsoon and tropical cyclones that form in the Indian Ocean. One of the tropical cyclones that emerged was Tropical Cyclone Marian, which occurred from February 27 to March 5, 2021. This research will use the Delft3D model, reanalysis, and observational data to determine these conditions. Based on the analysis results, the Delft3D Model can simulate tidal patterns and wave height conditions that occurred during the Mariana Tropical Cyclone in the Southern Java Waters region, supported by an RMSE correction of 0.2 to 0.4. The model results also show that in spatial conditions, there are fluctuations in sea level and wave height when cyclones occur, indicating that cyclones have sufficiently affected sea level and wave height conditions, which are supported by a comparison chart that shows sea level conditions tend to be higher than normal conditions and the model results. The wave height has fluctuations, indicating that the wave height corresponds to the cyclone period.
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 : Fakultas Perikanan dan Kelautan 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; Zulkarnaini, Zulkarnaini
Jurnal Perikanan dan Kelautan Vol. 28 No. 2 (2023): June
Publisher : Fakultas Perikanan dan Kelautan 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 : Fakultas Perikanan dan Kelautan 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 : Fakultas Perikanan dan Kelautan 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 : Fakultas Perikanan dan Kelautan 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

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