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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 40 Documents
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Search results for , issue "Vol. 29 No. 2 (2024): June" : 40 Documents clear
Analysis of the Floating Net Cage Business for Tilapia (Oreochromis niloticus) at Lake Maninjau Nagari Tanjung Sani, Tanjung Raya District, West Sumatra Province Harahap, Stepandi; Hendrik, Hendrik; Yanti, Chicka Willy
Jurnal Perikanan dan Kelautan Vol. 29 No. 2 (2024): June
Publisher : Faculty of Fisheries and Marine, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.29.2.217-221

Abstract

Lake Maninjau has been developed with the floating net cage (KJA) system for aquaculture. In 2020, the number of KJA decreased by 0,03%, but in 2021, the number of KJA increased by 9,5%; this shows that the cultivator community still maintains the tilapia KJA business. This situation makes the author want to know the investment amount, income, and business. This situation makes the author want to know the investment amount, income, and business feasibility. The method used was a survey, while the respondents were determined deliberately on five KJA cultivators with ten bags and five KJA cultivators with 20 bags. The results showed that the KJA with ten bags had an investment of IDR 626,864,000, an IDR 825,600,000/year income, and an IDR 227,346,334/ year profit. Meanwhile, KJA has 20 bag units, an investment of IDR 1,276,100,000, an income of IDR 1,684,800,000/year, and IDR 490,695,668/ year. Based on the analysis results, the investment criteria were obtained for KJA with 10 RCR bag units (1.38), FRR (36.26), PPC (2.76) and for KJA with 20 RCR bag units (1.41), FRR (38, 45), PPC (2.60). The calculation of the RCR is more than 1, the FRR is greater than the BRI bank interest rate of 6.4%, the PPC is less than the maximum time required, and the economic life of the equipment used for the tilapia KJA business is two years and seven months, then the KJA fish business tilapia worth to run.
Analysis of Supply Chain Performance of Mackerel Fish (Scomberomorus commerson) in Tanjung Medang Village, Rupat Utara Sub-District, Bengkalis Regency, Riau Province Safitri, Linda; Yulinda, Eni; Warningsih, Trisla
Jurnal Perikanan dan Kelautan Vol. 29 No. 2 (2024): June
Publisher : Faculty of Fisheries and Marine, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.29.2.222-229

Abstract

The fisheries potential in Tanjung Medang Village is highly promising for development due to its predominantly coastal location. This research aims to identify the mackerel supply chain pattern in Tanjung Medang Village using the Food Supply Chain Network (FSCN) approach. The method used is a survey method. Data analysis uses supply chain pattern analysis with the FSCN approach. The research results show that the mackerel supply chain pattern in Tanjung Medang Village has a supply chain structure consisting of primary and secondary members. Supply chain targets include the export market (Malaysia) and the local market (Tanjung Medang). The application of supply chain management includes bound and unbound partner relationships between supply chain actors, contractual agreements that occur informally, and transactions between supply chain actors using credit and prepayment systems. Supply chain business processes include collaborative planning that appears in each supply chain actor; the risks faced by each supply chain actor are different. The resources owned by the supply chain are by needs (physical resources, capital, technology, and human resources).
Composition and Abundance of Periphyton Types in Artificial Habitat with Different Attractor Media in the Koto Panjang Reservoir Kampar Regency Santoso, Dimas Dwi Nugroho; Budijono, Budijono; Simarmata, Asmika Harnalin
Jurnal Perikanan dan Kelautan Vol. 29 No. 2 (2024): June
Publisher : Faculty of Fisheries and Marine, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.29.2.230-237

Abstract

An artificial habitat comprises a series of structures or attractor media as a habitat for aquatic biota in the waters. This study aims to determine the best attractor media viewed from the abundance of periphyton found in artificial habitats. This research was conducted in July - August 2023 using the experimental method. Periphyton sampling was done four times with an interval of one week and then identified based on the reference identification book. Water quality parameters measured were temperature, brightness, pH, Dissolved Oxygen, nitrate, and phosphate. The data obtained were statistically analyzed using a two-way ANOVA and BNt tests in MS. Excel 2020. The results showed that there were 17 species of periphyton found, consisting of 5 classes, namely Bacillariophyceae (8 species), Zygnematophyceae (4 species), Chlorophyceae (3 species), Cyanophyceae (1 species), and Trebouxiophyceae (1 species). The total abundance of periphyton obtained ranged from 13.448 – 21.406 cells/cm2, and the highest is on plastic bottle attractors ranging from 3.232 – 8.318 cells/cm2. The type of periphyton found mostly was Navicula sp. (6.602 cells/cm2). Based on the periphyton abundance, it can be concluded that the best attractor for periphyton media is the used plastic bottle.
Strategies to Control Illegal Fishing in the Waters of Pasir Limau Kapas District, Rokan Hilir Regency Irawan, Willy; Putra, Ridwan Manda; Fauzi, Muhammad
Jurnal Perikanan dan Kelautan Vol. 29 No. 2 (2024): June
Publisher : Faculty of Fisheries and Marine, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.29.2.238-244

Abstract

The magnitude of the potential has led to the emergence of illegal fishing activities that cause losses to the state and surrounding communities. One of the water zones in Indonesia that has potential and is prone to illegal fishing is the Malacca Strait, including the waters of Rokan Hilir Regency. The research aims to formulate illegal fishing control strategies to prevent and stop illegal fishing activities. This research was conducted in Pasir Limau Kapas District, Rokan Hilir Regency, which consists of Panipahan Kepenghuluan, Panipahan Laut Kepenghuluan, and Panipahan Darat Kepenghuluan from March to July 2023. The primary data are obtained directly through observation and interviews, and secondary data is obtained from relevant agencies and institutions. Data analysis uses a quantitative approach to formulating illegal fishing control strategies using SWOT and descriptive analysis methods. The SWOT analysis results of controlling illegal fishing activities is a W-O (Weakness - Opportunities) strategy by considering existing opportunities and minimizing internal problems that become weaknesses. Some strategies that can be formulated include increasing surveillance in Pasir Limau Kapas Waters, increasing socialization of the impacts of illegal fishing and maintaining marine ecosystems, and improving fisheries support facilities in Pasir Limau Kapas District.
Estimating Return to Scale Production of Seaweed Farming in Tarakan City Machmuddin, Nurlela; Anisa, Anisa; Djafar, Rayhana; Situmorang, Sawitania; Khaerunnisa, Khaerunnisa
Jurnal Perikanan dan Kelautan Vol. 29 No. 2 (2024): June
Publisher : Faculty of Fisheries and Marine, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.29.2.245-250

Abstract

The development of seaweed cultivation by farmers cannot be separated from production factors such as capital, seeds, labor, and land area, which greatly support the success of seaweed cultivation. This study aims to analyze the factors affecting seaweed production and how to return to scale. The research was conducted in Pantai Amal Village. The number of samples in the study was 59 seaweed farmers using the incidental sampling method. The data analysis technique used multiple linear regression analysis in the form of the Cobb-Douglas function logarithm using the SPSS 26 software. The results showed that simultaneously the capital factors (X1), seeds (X2), labor (X3), and land area (X4) jointly affect the production (sig=0.00). Only the farmer's capital partially showed a significant effect (0.00) smaller than the significance level of = 0.05. The business scale has shown increasing returns to scale with a coefficient value of 1.15, which means that all inputs used in production are increased by 1. The resulting production will be increased by 1, and the resulting production will increase by a more significant proportion, namely 1.15. Thus, seaweed farmers’ use of production factors is efficient.
Community Perceptions of the Impact of Marine Sand Mining Activities in the Riau Islands Province Bahri, Samsul; Ismail, Khodijah; Habibah, Sayyidah Nur
Jurnal Perikanan dan Kelautan Vol. 29 No. 2 (2024): June
Publisher : Faculty of Fisheries and Marine, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.29.2.251-257

Abstract

This study aims to determine the perceptions of local communities towards marine sand mining activities in the Kepulauan Riau Province. Considering the region's dominance, Kepulauan Riau has great potential for sand mining in terms of quality and quantity. The population dynamics and high development today encourage an increased need for sand. Therefore, sand mining businesses have become social, economic, and ecological. This research uses a descriptive qualitative approach with an interview method with 60 respondents. Multiple linear regression analysis was used to predict perceptions based on social, economic, and ecological variables. The results showed that social aspects (coefficient value of 0.809) strongly influenced the sustainability of mining activities compared to ecological aspects (0.271) and economic aspects (-0.045). This finding shows that if mining activities can create good social conditions in local communities, sand mining activities can continue. However, these social conditions are related to the ecological impacts caused by mining.
Analysis of Trash Fish Meal Processing Business at PT Samudera Mandiri Sentosa, Halang Muka Island Village, Kubu Babussalam Subdistrict, Rokan Hilir, Riau Province Nadapdap, Riau Naldu; Arief, Hazmi; Yanti, Chicka Willy
Jurnal Perikanan dan Kelautan Vol. 29 No. 2 (2024): June
Publisher : Faculty of Fisheries and Marine, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.29.2.258-265

Abstract

In the trash fish meal processing business, fish catch constraints are decreasing yearly, so conducting a business feasibility analysis is necessary. This study aims to analyze the total investment, revenue, and profit and explore the feasibility of the trash fish meal processing business in Halang Muka Island Village, Kubu Babussalam Subdistrict, Rokan Hilir Regency. The methods used in this study are case study methods, analyzing secondary data by directly observing objects in the field, and collecting data through direct interviews with trash fish meal processing business owners PT. Samudera Mandiri Sentosa through a descriptive-quantitative approach. The informant in the study was the owner of PT Samudera Mandiri Sentosa as the main informant source. The results of this study are: 1) Total Investment of IDR 897,143,600 with a fixed capital share of IDR 892,900,000 and working capital of IDR 4,234,600, 2) Revenue of IDR 1,372,800,000 per year, profit of IDR 522,176,160, 3) Revenue Cost of Ratio (RCR) obtained a value of 1.61, Financial Rate of f Return (FRR) was 58.20% and the Payback Period of Capital (PPC) analysis got a result of 1.72. Based on the feasibility analysis, the trash fish meal processing business at PT Samudera Mandiri Sentosa follows existing criteria/provisions, and it can be concluded that this business is profitable and feasible to run. In the trash fish meal processing business, assistance must be provided with bookkeeping and business management.
Economic Valuation of Mangrove Ecosystem in Rempang Island, Batam City, Kepulauan Riau Province Alamanda, Ladies Nikita; Ismail, Khodijah; Wahyudin, Wahyudin; Suryanti, Ani; Habibah, Sayyidah Nur
Jurnal Perikanan dan Kelautan Vol. 29 No. 2 (2024): June
Publisher : Faculty of Fisheries and Marine, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.29.2.266-274

Abstract

This study aimed to determine and analyze the economic value of the mangrove ecosystem in Rempang Island, Batam City, Kepulauan Riau Province. The survey method used a quantitative approach to analyze the economic valuation with the calculation of Total Economic Value (TEV), which consists of the calculation of use value: direct use value, indirect use value, option value, and non-use value: existence value and bequest value. There were 44 respondents determined by the Slovin method. The results showed that the total economic valuation of mangrove ecosystems on Rempang Island with an area of 2,813.18 ha which is IDR 75,082,590,695/ year, consisting of a total use value which is IDR 74,739,030,695/year and total non-use value which is IDR 343,560,000/year. The use value is obtained from direct use value which is IDR 2,059,200,000/year from fish, shrimp, and crab utilization activities, indirect use value which is IDR 72,004,878,483/year from breakwaters and abrasion, preventing seawater intrusion, nursery ground, feeding ground, spawning ground, and an optional value which is IDR 674,952,212/year from the value of biodiversity. Then, the total non-use value is obtained from the willingness to pay IDR 137,640,000/year and bequest value IDR 205,920,000/year. These findings indicate that the current ecological condition of the Rempang Island mangrove ecosystem has provided excellent economic value, so efforts are needed to maintain this condition with sustainable management
Impact of Social Forestry Licensing Policy: Community Plantation Forest for Charcoal Production in the Mangrove Ecosystem of Karimun Regency, Kepulauan Riau Province Andia, Bherly; Ismail, Khodijah; Sofia, Myrna; Haryanti, Dewi; Habibah, Sayyidah Nur
Jurnal Perikanan dan Kelautan Vol. 29 No. 2 (2024): June
Publisher : Faculty of Fisheries and Marine, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.29.2.275-282

Abstract

This research analyses the suitability of permits for using mangrove wood in Karimun Regency for charcoal making, which has been going on for a long time. This charcoal was traded for local and foreign needs even before Indonesian Independence. However, it was only in 2010 that the official IUPHHK-HTR permit was enacted to regulate this activity. This study aims to analyze the suitability of forest area functions in community plantation forest permit areas based on the provisions of forestry laws and regulations, calculate the area of degraded/deforested as well as reforested forest cover using satellite image interpretation results, and identify institutions involved in processing mangrove wood into charcoal. The results showed that 59.55% of the forest area followed the permit, but there was deforestation of 802.29 ha (27%) and degradation of 72.53 ha (32.44%). On the other hand, reforestation efforts of 1,446.32 hectares were also carried out. This research was conducted using normative or doctrinal legal and overlay methods. The methods used in this research consist of normative or doctrinal legal research methods and overlay methods. Normative legal research focuses on the scope of legal conceptions, legal principles, and legal rules governing the suitability of forest area functions and granting social forestry licenses for community plantation forests. At the same time, the overlay method combines information from various maps. Various parties are involved in mangrove charcoal management, ranging from the Ministry of Environment and Forestry, Kepulauan Riau Provincial Government, Karimun Regency Government, and Wana Jaya Karimun Cooperative to 30 business license holders and charcoal collectors. This research recommends evaluating mangrove IUPHHK-HTR policies to ensure forest sustainability and balance between utilization and sustainability.
Strategies for Preventing Fishing Vessel Debris Pollution in Tarempa's Coastal Fishing Port, Kepulauan Riau Amir, Amriansyah; Lestari, Febrianti; Ismail, Khodijah; Syakti, Agung Dhamar
Jurnal Perikanan dan Kelautan Vol. 29 No. 2 (2024): June
Publisher : Faculty of Fisheries and Marine, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.29.2.283-290

Abstract

Research has been conducted on the prevention strategy of fishing vessel waste pollution carried out in April 2024 with the location at Tarempa Coastal Fishing Port. This research aims to formulate a plan for preventing fishing vessel waste at Tarempa Coastal Fishing Port. This research used a survey method with a purposive sampling technique. The data taken in this study are the type and amount of waste from ship activities during mooring, ship maintenance and repair, and maintenance and repair of fishing gear at the Tarempa PPP. The results of observations in the field found that the management done before was only in the form of burning, disposing of garbage in trash cans, hoarding garbage, and some throwing garbage into the sea. Based on the results of the analysis of waste prevention strategies, ten management alternatives were found, including port management needs to establish partnerships with crew members and the community to prevent waste generation at PPP Tarempa, apply rewards for crew members who manage waste well, improve cleaning and waste management facilities at PPP Tarempa, increase routine supervision to prevent waste generation at PPP Tarempa, apply punishment for crew members who pollute the environment, provide counseling and K3 training for crew members at PPP Tarempa, optimize the function of cleaning and waste management facilities at PPP Tarempa.

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