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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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Analysis of Product Flow Mechanism, Information, and Finance in the Supply Chain of Fourfinger Threadfin Fish (Eleutheronema tetradactylum) in Tanah Merah Village, Tanah Merah District, Indragiri Hilir Regency Asmara, Elsi Chyntia; Yulinda, Eni; Bathara, Lamun
Jurnal Perikanan dan Kelautan Vol. 29 No. 3 (2024): October
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.29.3.311-318

Abstract

Tanah Merah Village is one of the Fourfinger threadfin fish-producing areas. Most of the population works as fishermen as the basis of their economic income. Fourfinger threadfin fish is the main fishery commodity and has high economic value, thus encouraging the sustainable use of Fourfinger threadfin resources. This research aims to analyze the product flow, information, and finance mechanism in the supply chain of fourfinger threadfin (Eleutheronema tetradactylum) from Tanah Merah Village, Tanah Merah District, Indragiri Hilir Regency. The method used was in-depth interviews with a qualitative approach. The research results show that the flow of fourfinger threadfin fish products is spread across four provinces on the island of Sumatra. The payment systems used are cash, bank transfers, and loans. The selling price of delighted fish at the fisherman level is IDR 45.000/kg, and at the end consumer IDR 55.000-70.000/kg. Five Senangin fish supply chain entities, namely fishermen, fishermen, collectors, retailers, and final consumers form 3 chain patterns. The longest chain involves five entities and the shortest three entities. The farmer's share value for fishermen is relatively high at over 60%, with the highest value in chain three at 81.8%, indicating the most efficient chain. The product, financial, and information flow mechanisms have been running well. However, coordination and information integration still need to be improved to optimize the supply chain for fourfinger threadfin fish Tanah Merah Village
Feasibility Analysis of Gill Net Capture Business in Pekan Tua Village, Kempas Sub-District, Indragiri Hilir District, Riau Province Saputra, Aldiyan; Sofyani, Tince; Arief, Hazmi
Jurnal Perikanan dan Kelautan Vol. 29 No. 3 (2024): October
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.29.3.319-326

Abstract

The success of the fishing business is determined by several factors, including the fishing ground, the fishing fleet (fishing boat), the skills of the fishermen (skill), and the fishing gear itself. In this case, fishing gear is the basic construction material that determines the purpose and efficiency of new fishing results advancing toward specifications. This study analyses the investment, production, income, and business feasibility of gill net fishing gear in Pekan Tua Village, Kempas District, Indragiri Hilir Regency, Riau Province. The research method used is the survey method. The type of data collected includes primary data and secondary data. The results of this study are as follows: 1) Total investment of IDR0,931,500 with fixed capital of IDR 40,750,000 and working capital of IDR 181,5000. 2) The average catch of gill net fishermen in Pekan Tua Village in a year in the peak season is 1,413.7 kg /year, in the medium season in a year 1416.9 kg/year, and in the lean season in a year 473.80 kg year. The total catch of fishermen per year is 3,116.36 kg /year. The average net income fishermen earn based on the peak season is IDR 31,796,127, and the medium season IDR 32,650,170. The lean season IDR 5,004,336 3) Revenue Cost of Ratio (RCR) obtained a value of 2.19, Financial Rate of Return (FRR) of 169.68%, and in the Payback Period of Capital (PPC) analysis obtained a result of 0,59 or 6 months. So, based on this feasibility analysis, the gill net fishing gear business in Pekan Tua Village follows existing criteria/provisions, and it can be concluded that this business is profitable and feasible to run.
Marine Ecotourism Development Strategy at Tiram Beach, Padang Pariaman Regency, West Sumatra Province Naldi, Febri; Yoswaty, Dessy; Nurrachmi, Irvina
Jurnal Perikanan dan Kelautan Vol. 29 No. 3 (2024): October
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.29.3.327-333

Abstract

The research was conducted in February-April 2024 at Tiram Beach, Padang Pariaman Regency, West Sumatra Province. The aims and benefits of the study are to identify the potential and objects that need to be developed at Tiram Beach as a marine ecotourism area, to find out the public's perception of ecotourism activities at Tiram Beach, to formulate a strategy for developing marine ecotourism at Tiram Beach to support sustainable tourism. The research method used was a survey. Research carried out in the field includes measuring water quality and aiming to see the level of water quality, temperature, brightness, salinity, pH, and current speed to support marine ecotourism on Tiram Beach. After that, the respondents were selected: 20 tourists, 20 local communities, 15 business actors, and ten policymakers. Based on the Suitability Index, Tiram Beach is in the S1 category (very suitable) with a score of 75%, and it is to be used as marine ecotourism by observing 10 IKW parameters. Based on the development strategy using SWOT analysis through field observations, strength results were obtained, including restaurants' international standard public toilets; weakness covers: lack of development breakwater in the area of ​​coastal tourist locations and lack of creativity from business actors, opportunity includes: the existence of objects that affect the welfare of local communities which can be used to increase income through buying and selling activities and services for visiting tourists, Threats includes: environmental changes that will affect the continuation of ecotourism on Tiram Beach, ecological degradation caused by humans
Comparison of Macrozoobenthos Community Structure in Reclaimed and Natural Beaches in Padang City, West Sumatra Helda, Helda; Tanjung, Afrizal; Thamrin, Thamrin
Jurnal Perikanan dan Kelautan Vol. 29 No. 3 (2024): October
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.29.3.334-342

Abstract

dang City is one of the cities with a long coastline. The Padang City government has made many reforms to manage the beach area as a tourist attraction. This research aimed to determine the comparison of macrozoobenthos community structure, including species composition, species abundance, relative abundance, diversity index, similarity index, dominance index, and distribution patterns in the reclaimed and natural beaches of Padang City, West Sumatra Province. The method used was purposive sampling with sample collection using the transect method. The results of this study indicate that the water quality in Padang City, West Sumatra, is sufficiently good to support macrozoobenthos life. The highest species abundance of macrozoobenthos was found at the Reclamation Beach Station. The macrozoobenthos species found belong to 2 classes: Gastropoda and Crustacea. The Gastropoda class consists of 4 species: Babylonia spirata, Pila ampullacea, Pila occidentalis, and Nerita fulgurans, while from the Crustacea class, three species were found: Ashtoret lunaris, Hemigrapsus takanoi, and Emerita sp. Meanwhile, the lowest abundance was found at the Natural Beach Station, where the species belonging to the Crustacea class, specifically H.takanoi, was found. The species diversity of macrozoobenthos at the Natural Beach Station is considered low but moderate at the Reclamation Beach Station. Similarity at the Natural Beach Station is low, while at the Reclamation Beach Station, it is high. Additionally, there is a dominant species at the Natural Beach Station, whereas no dominant species were found at the Reclamation Beach Station. The distribution pattern of macrozoobenthos in the coastal waters of Padang City is categorized as clustered distribution.
Relationship of Total Oil Content and Planktonic Diatoms Abundance in the Coastal Waters of Lukit Kepulauan Meranti Yuliani, Riza; Siregar, Sofyan Husein; Amin, Bintal
Jurnal Perikanan dan Kelautan Vol. 29 No. 3 (2024): October
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.29.3.343-349

Abstract

This research was conducted in January 2024 in the waters of Lukit, Merbau District, Meranti Islands. This study aimed to analyze the total oil content and abundance of planktonic diatoms and determine the relationship between total oil content and abundance of planktonic diatoms. This study used a purposive sampling method. The sampling location was divided into three stations with three sampling points. Station 1 is in the oil company jetty area, Station 2 is in the crossing port area, and station 3 is far away from residential areas. The results of the analysis of total oil content was 0,252 ppm. The highest oil content was found at station 2, which was 0,274 ppm, and the lowest oil content was found at station 3, which was 0,222 ppm. The results of the planktonic diatom abundance ranged from 75 – 187,5 ind/L. The highest abundance was found at station 3, which was 166,67 ind/L, and the lowest was found at station 2, which was 79,17 ind/L. The results of the simple linear regression test obtained the equation y= 177,77-225,55x with the value of R² = 0,1321 and the correlation coefficient r = -0,36, which shows that higher total oil content will cause a decrease in the abundance of planktonic diatoms
Length-Weight Relationship and Condition Factor of Stingray Himantura uarnacoides Landed at TPI Dumai Riau Province, Indonesia Sibagariang, Rina D; Mulyani, Isma; Lesmana, Indra
Jurnal Perikanan dan Kelautan Vol. 29 No. 3 (2024): October
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.29.3.350-354

Abstract

Stingrays are a type of fish that has experienced a reasonably high population decline in nature due to their relatively low reproduction, overfishing, and habitat degradation, so it is feared that they could become extinct. This study analyses the length-weight relationship, condition factors, and growth patterns of Himantura uarnacoides stingrays landed at TPI Dumai Riau Province. This study was conducted in May–July 2023 and June–July 2024. The number of samples analyzed was 48 (24 females and 24 males). The results showed that the length of H. uarnacoides stingrays that landed at TPI Dumai ranged from 32.5–78 cm. The smallest fish size was in the 27.5–35.5 cm class range. The size of the fish most often caught was in the 51.5–59.5 cm class range. The highest condition factor value of 1.40 was found in the 28–25 cm class range. The length-weight relationship shows the equation W = 0.000059L2.869 with a coefficient of determination (R²) value of 0.911. The growth pattern of the H. uarnacoides stingray is negative allometric
Condition of Singingi River Water Quality Due to Unlicensed Gold Mining (PETI) in Tanjung Pauh Village, Singingi Hilir District, Kuantan Singingi Regency Atika, Berliana; Purwanto, Eko; Prianto, Eko
Jurnal Perikanan dan Kelautan Vol. 29 No. 3 (2024): October
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.29.3.355-360

Abstract

Rivers play a vital role in society by preserving clean water resources, cultivating fish, and supporting daily life. In Tanjung Pauh Village, the Singingi River has experienced a decline in water quality due to human activities, namely Unlicensed Gold Mining without permission activities. The research was carried out in March-May 2024. The method used in this research was field surveys and measurements of physical and chemical parameters. Sampling was carried out at three stations: Station 1, an oil palm plantation area; Station 2, a gold mining area; and Station 3, an area downstream of the Singingi River due to the confluence of the Sushadow River and the Singingi River. The research results show that the value of temperature ranged from 28.8 - 33°C, brightness ranged from 2.48-3.11 cm, turbidity ranged from 85.6 - 251.2 NTU, current speed ranged from 4.85 - 7.06 m/s, TSS ranged from 145–182.6 mg/L, and depth ranges from 350 – 533 cm. Chemical parameters, namely dissolved oxygen ranges from 5,5 – 5,7 mg/L, pH 5, BOD5 ranges from 3– 3.6 mg/L, TOM ranges from 11.7 – 15.2 mg/L, COD ranges from 85.3 – 297.3 mg/L. According to PP no. 22 of 2021 class III concerning the Implementation and Management of the Environment. The waters of the Singingi River are polluted, which falls into the mild to heavily polluted category. Six parameters have passed the threshold regarding physical parameters, namely temperature, brightness, turbidity, and TSS and based on chemical parameters, namely pH and COD.
Microplastic Content in the Stomach of Caru Fish (Megalaspis cordyla) in the Sea Waters of Dumai City, Riau Province Saputra, Eka; Nasution, Syafruddin; Yoswaty, Dessy
Jurnal Perikanan dan Kelautan Vol. 29 No. 3 (2024): October
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.29.3.361-366

Abstract

Microplastics are particles that have a size of <5 mm and their existence might be able to contaminate the biota in the aquatic environment, such as care fish. Caru fish was collected in the Dumai city fish landing base in September - December 2022 to determine the abundance of microplastics in caru fish. The method used in this study is a survey method; samples of caru fish were obtained from Fish Landing Base (PPI) Dumai, and the samples were analyzed for the microplastic content in the laboratory. The samples used were 90 caru fish divided into three size classes. The parameters measured included type of microplastic, microplastic abundance, microplastic colour and the relationship between care fish size and microplastic abundance. The abundance of microplastics from the three size class of fish shows that the size class 22.1-24 cm had a higher average abundance of microplastics with an average value of 5.7 particles/individual. The type of microplastics found in this study were fibre, film and fragment. The relationship between the length of the caru fish and the abundance of microplastics has not been influenced by the size of the carp fish
Community Perceptions on the Development of Indah Beach Marine Ecotourism Activities in Tanjung Aru Village, Sebatik Timur District, Nunukan Regency, North Kalimantan Province Nurfatwa, Ismi; Saleha, Qoriah; Erwiantono, Erwiantono
Jurnal Perikanan dan Kelautan Vol. 29 No. 3 (2024): October
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.29.3.416-422

Abstract

Understanding community perceptions can help to minimize resistance and, on the other side, can maximize community participation in marine ecotourism management. High community support is the key to successful development of marine ecotourism activities. The purpose of this study was to determine the public's perception of the development of marine ecotourism activities at Indah Beach, Tanjung Aru Village, based on the indicators of the Ministry of Tourism. Primary data was taken in August 2023; research and data collection methods used case studies and purposive sampling techniques with a sample size of 30 respondents. The data were analyzed using descriptive statistical methods and a Likert measurement scale. The results showed that people's perceptions of the development of marine ecotourism activities at Pantai Indah based on five ecotourism principles with a score of 79.76, which is in the range of 51.31 - 80.60 with the criteria "Moderate," which means that in general the community Agrees with what is being done by the management of Pantai Indah towards the development of marine ecotourism activities in Tanjung Aru Village. The community considers that the capacity in the Indah Beach environment has been considered and managed following acceptable limits in nature and socio-culture, has adequate public facilities, and has homestays for lodging with feasibility standards following tourist sites
Hematology and Physiology of Striped Catfish (Pangasianodon hypophthalmus) with the Addition of Guava Leaf Extract (Psidium guajava L) Pohan, Ilham Fajri; Riauwaty, Morina; Syawal, Henni
Jurnal Perikanan dan Kelautan Vol. 29 No. 3 (2024): October
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.29.3.367-374

Abstract

Striped catfish (Pangasianodon hypophthalmus) is a widely cultivated type of superior food fish. Intensive cultivation of catfish can cause disease. Feeding striped catfish with guava leaf extract is expected to reduce stress, which can be seen in striped catfish's hematological and physiological conditions. This research aims to obtain a dose of guava leaf extract (Psidium guajava L) to improve the health of striped catfish. The method used in the study was an experimental method that applied a one-factor, Completely Randomized Design (CRD) with five treatment levels. The treatment used was without adding guava leaf extract (P0); P1, P2, P3, and P4 with doses of 25, 50, 75, and 100 mL/kg feed, and all treatments were tested against Aeromonas hydrophila. The fish used in this research were 250 striped catfish seeds measuring 6-8 cm and kept for 45 days. Feeding with the addition of guava leaf extract at a dose of 75 mL/kg of feed had an influence on the hematological and physiological profile of post-challenge catfish, such as total erythrocytes of 2.40x106 cells/mm3, hematocrit 35.66%, hemoglobin levels 9.61 g/dL, total leukocytes 10.54x 104 cells/mm3, blood glucose levels of 78.00 mg/dL and phagocytic activity 35.66%. Absolute weight growth 17.76 g, feed efficiency 41.07%.

Page 28 of 54 | Total Record : 534

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