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Sri Wahyuni
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Gedung Marine Center Fakultas Perikanan dan Kelautan Universitas Riau
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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 978 Documents
 93   94   95   96   97 
Efficiency of Unloading Time of Fish Catches at Nusantara Sibolga Fishery Port, North Sumatra Maria Belen Siregar; Lauura Hermala Yunita; Yun Alwi
Jurnal Perikanan dan Kelautan Vol. 31 No. 2 (2026): June
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.31.2.169-174

Abstract

Unloading efficiency is the optimal outcome of well-executed, quick unloading activities that avoid wasted time. This research aims to determine the efficiency of unloading fish catches and the factors that influence it at the Sibolga Archipelago Fisheries Port (PPN). This research was carried out at the Archipelago Fisheries Port (PPN) Sibolga, Central Tapanuli Regency, North Sumatra Province, from 19 January to 20 February 2024. The method used in this research was a survey. Then, the sample determination method uses purposive sampling, namely, samples selected according to predetermined criteria; 50 samples were collected using data analysis of demolition time efficiency and multiple linear regression. The variables observed were the ship's size, the number of catches, the number of unloaders, the number of sorters, and the amount of wasted time. The results of this research show that time efficiency is 76%. Then the R-squared value is 0.72, and the multiple R value is 0.84. Furthermore, the calculated F value was 22.665, and the F table was 3.545. It can be concluded that the unloading efficiency at the Sibolga Archipelago Fisheries Port (PPN) is 76%, which is considered efficient
Marketing Efficiency of Yellowfin Tuna (Thunnus albacares) at Bungus Ocean Fisheries Port, West Sumatra Fadhila Sahira Erian Putri; Lauura Hermala Yunita; Afriani harahap
Jurnal Perikanan dan Kelautan Vol. 31 No. 2 (2026): June
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.31.2.187-196

Abstract

The Bungus Ocean Fisheries Port (PPS Bungus) in West Sumatra plays a crucial role in marketing yellowfin tuna (Thunnus albacares). As a fish landing base in western Indonesia, PPS Bungus supports activities including fishing, unloading, sorting, and tuna distribution. The marketing channels involve a series of interdependent institutions that deliver the product to consumers, with varying levels of efficiency and costs. This study aims to understand the marketing channels, marketing efficiency, marketing margins, and price differences of yellowfin tuna at PPS Bungus, West Sumatra. The research was conducted at Bungus Ocean Fisheries Port (PPS) in West Sumatra Province from July 25 to August 16, 2023. The methodology employed in this research involved surveys, data processing using Microsoft Excel, and SPSS version 26. The research findings indicate that there are two marketing channels for yellowfin tuna: one between fishermen and PT. Dempo Andalas Samudera, and another between fishermen and PT. Lintas Laut Samudera. The marketing margin for yellowfin tuna at PT. Dempo Andalas Samudera is IDR 12,000, and at PT. Lintas Laut Samudera is IDR 13,000. The fishermen's Share at PT. Dempo Andalas Samudera is 74.46%, and at PT. Lintas Laut Samudera is 72.91%. The efficiency of the marketing channels for yellowfin tuna shows 1.17 for PT. Dempo Andalas Samudera and 1.14 for PT. Lintas Laut Samudera. This study demonstrates that the marketing channels at PPS Bungus are efficient, and there are no differences in selling prices between PT. Dempo Andalas Samudera and PT. Lintas Laut Samudera
Length–Weight Relationship of Lambak Fish (Labiobarbus ocellatus) from Fishermen's Catches in the Batanghari River Lauura Hermala Yunita; Yoppie Wulanda; Septy Heltria; Rizky Janatul Magwa; Ester Restiana Endang Gelis; M. Hariski
Jurnal Perikanan dan Kelautan Vol. 31 No. 2 (2026): June
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.31.2.197-201

Abstract

Lambak fish (Labiobarbus ocellatus) is a freshwater species of ecological and economic importance in the Batanghari River. Basic biological information, particularly the length–weight relationship, is needed to understand growth characteristics and support sustainable fisheries management. This study aimed to analyze the size distribution and length–weight relationship of lambak fish based on fishermen's catches. Sampling was conducted in August 2025 through direct surveys of daily catches using traditional fishing gears. The length–weight relationship was analyzed using the equation W = aLᵇ. The results showed that the samples consisted of 22 females and 33 males. The total length of females ranged from 117–160 mm and males from 100–157 mm, with weight ranges of 15–36 g and 13–40 g, respectively. The regression coefficient (b) values of 2.1483 for females and 2.2459 for males indicated a negative allometric growth pattern. The coefficients of determination (R²) of 0.6904 for females and 0.501 for males suggested relatively strong to moderate length–weight relationships. This growth pattern reflects the species' biological response to environmental conditions
Identification of Salmonella sp. in Milkfish (Chanos chanos) Collected from PPI Ujong Baroh, West Aceh Ahmad Rasyid Pohan; Sri Wahyuni; Hayatun Nufus; Ismail Sulaiman; Samsul Bahri
Jurnal Perikanan dan Kelautan Vol. 31 No. 2 (2026): June
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.31.2.181-186

Abstract

Milkfish (Chanos chanos) is an important fishery commodity in Indonesia due to its high nutritional value and affordability. However, its high moisture and protein content make it highly susceptible to microbial contamination, including pathogenic bacteria such as Salmonella sp., which may pose serious food safety risks to consumers. This study aimed to detect and characterize  Salmonella sp. in milkfish landed at the Ujong Baroh Fish Landing Base (PPI Ujong Baroh), West Aceh Regency, Indonesia. The study was conducted in April 2025 using an observational sampling approach followed by laboratory-based microbiological analysis. A total of 10 milkfish samples were collected purposively during fish landings. Samples were aseptically dissected, and tissues from the gills, skin, muscle, and intestine were homogenized for bacterial analysis. Isolation was carried out using Buffer Peptone Water (BPW) as a pre-enrichment medium and Salmonella Shigella Agar (SSA) as a selective medium. Identification was performed based on macroscopic colony morphology and microscopic Gram staining characteristics. The results showed that all ten samples tested positive for Salmonella sp. contamination. Colonies grown on SSA medium exhibited circular shapes, black pigmentation, smooth surfaces, entire margins, and convex elevations. Microscopic observations revealed Gram-negative coccobacillus to be short rod-shaped bacteria that appeared pink after Gram staining. These findings indicate that milkfish landed at PPI Ujong Baroh were contaminated by Salmonella sp., highlighting the need for improved sanitation practices and stricter microbiological monitoring during post-harvest fish handling
Comparative Analysis of Productivity and Efficiency of Recirculating Aquaculture System (RAS) and Biofloc in Nile Tilapia (Oreochromis niloticus) Culture Ayi Yustiati; Rany Marlianti Karimah
Jurnal Perikanan dan Kelautan Vol. 31 No. 2 (2026): June
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.31.2.215-223

Abstract

Nile tilapia (Oreochromis niloticus) culture faces challenges in achieving optimal production efficiency due to limited land availability and water resources. This study aimed to analyze and compare the productivity and efficiency of the Recirculating Aquaculture System (RAS) and Biofloc systems in Nile tilapia culture. The research employed a comparative experimental approach, measuring growth performance, Food Conversion Ratio (FCR), Survival Rate (SR), and water-quality management efficiency in both systems. The results showed that both systems significantly improved aquaculture productivity compared to conventional methods. The RAS system produced a higher daily growth rate, with productivity reaching 35 to 40 kg/m³ per cycle, survival rates of 85 to 92%, and more stable water quality. Meanwhile, the biofloc system demonstrated better feed efficiency, with an FCR ranging from 0.9 to 1.2, compared to RAS, which ranged from 1.2 to 1.5, and productivity reached 30 to 38 kg/m³ when biofloc was used as an additional nutrient source. Economically, the biofloc system was more efficient in feed and water utilization, whereas RAS was superior in environmental control and in managing high stocking density. These findings provide a scientific basis for aquaculture practitioners in determining the most suitable technology based on business scale, capital capacity, and aquaculture sustainability goals.
The Relationship between Total Oil Content in Sediment and the Abundance of Benthic Diatoms in the Waters of Pangkalan Jambi, Bengkalis, Riau Jihan Fitri Muthiah Rahmah; Irvina Nurrachmi; Sefni Hendris
Jurnal Perikanan dan Kelautan Vol. 31 No. 2 (2026): June
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.31.2.202-208

Abstract

The research was conducted in December 2025 in the waters of Pangkalan Jambi. The purpose of this research was to analyze the total oil content in sediments, calculate the abundance of benthic diatoms, and explain the relationship between the total oil content in sediment and the abundance of benthic diatoms. The research uses a survey method; three sampling stations with three replications in each station were surveyed. The results showed that the average oil concentration in sediments exceeded the thresholds set by the Department of Water Resources Quality Assurance/Quality Control Program and the Australian and New Zealand Environment and Conservation Council. The results of the calculation of the abundance of benthic diatoms ranged from 2196.14 ind/cm2 to 3362.84 ind/cm2. The highest abundance is around small ports, while the lowest abundance is around the river mouth. Based on simple linear regression, the relationship between sediment oil content and benthic diatom abundance was y = 8281.7 – 1.1367x, with a coefficient of determination (R2)= 0.875 and a correlation coefficient (r) = 0.935. The value of r states a moderate relationship with a constant value b, which is negative, indicating that the higher the oil content, the lower the abundance of benthic diatoms in sediments.
Identification of Types and Analysis of Microplastic Content in Fresh Shrimp Marketed in Dumai City Irene Dwi Rani Br Lingga; Bintal Amin; Efriyeldi Efriyeldi
Jurnal Perikanan dan Kelautan Vol. 31 No. 2 (2026): June
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.31.2.209-214

Abstract

Microplastics are plastic particles smaller than 5 mm that are difficult to remove from the ocean. This study aimed to identify the types and levels of microplastics found in vannamei (Litopenaeus vannamei) and white shrimp (Penaeus merguiensis) marketed in Dumai City, conducted from September to November 2025. The method used was a survey, and the research locations were determined using purposive sampling. Vannamei shrimp samples were collected from Bundaran Market, and white shrimp from Dumai City Fish Landing Site (TPI), and analyzed at the Marine Chemistry Sciences of the Department of Marine Sciences, Faculty of Fisheries and Marine Sciences, Universitas Riau. The results of this study indicate that three types of microplastics were present in both shrimp species: fibres, fragments, and films. Statistical analysis further revealed that the microplastic content in both shrimp species across different sizes did not differ significantly (p > 0.05). There were no significant differences in microplastic content between vanamei and white shrimp (p > 0.05). The results of linear regression analysis between microplastic content and shrimp morphometric measurements revealed a weak relationship
Composition of Trap Net (Gombang) Catch Based on Tidal Conditions in Insit Village, Meranti Islands Regency M. Febrian Fadli; Alit Hindri Yani
Jurnal Perikanan dan Kelautan Vol. 31 No. 2 (2026): June
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.31.2.175-180

Abstract

Trap nets (gombang) are passive fishing gears that utilize tidal currents to capture fish and shrimp in coastal waters. This study aims to identify the composition of catches from trap nets based on tidal conditions in the waters of Insit Village, Meranti Islands Regency. The research method used was a survey method through direct observation and interviews with fishermen. Data analysis was carried out using catch-proportion analysis, including main catch, by-catch, and discards. The results showed that penaeid shrimp and small pelagic fish such as anchovies dominated the catch composition. Catch composition was influenced by tidal conditions, where catches during high tide were higher than during low tide. The catch proportions indicate that trap nets still exhibit low selectivity, as evidenced by the high by-catch rate. Therefore, better management is needed to improve the efficiency and sustainability of trap net fisheries in the area.
Combination of Filter Media with Blood Shells on Water Quality and Growth of Asian Redtail Catfish (Hemibagrus nemurus) in the Recirculation System Karisma Agung; Rusliadi Rusliadi; Mulyadi Mulyadi
Jurnal Perikanan dan Kelautan Vol. 31 No. 2 (2026): June
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.31.2.236-241

Abstract

This study aims to determine the effect of combining blood clam shell (Anadara granosa) filter media on water quality in the recirculation system for Asian Redtail catfish (Hemibagrus nemurus) maintenance. The study was conducted from December 2025 to February 2026 at the Cultivation Technology Laboratory, Faculty of Fisheries and Marine Sciences, Universitas Riau, using a Completely Randomized Design (CRD) experimental method with four treatments and three replications. The treatments consisted of P0 (control without blood clam shell), P1 (150 g/25 L of water), P2 (200 g/25 L of water), and P3 (250 g/25 L of water). The results showed that the use of blood clam shells as a filter medium was able to maintain water quality during cultivation, with a temperature range of 24–28.6°C, pH 2.16–7.94, DO 4.96–6.47 mg/L, TDS 22–1038 mg/L, ammonia 0.015–1.429 mg/L, and nitrate 0.0604–21.2729 mg/L. The best treatment was obtained at P3, with a final fish length of 16.8 cm, SGR of 3.60%, feed efficiency of 93.45%, and the lowest FCR of 1.07. The fish survival rate ranged from 87–96%.
The Effect of Barnacle Stickers (Balanus sp) on the Body of Fishing Vessels on the Sailing Speed of Ships at Sea in Sibolga City Warnita Siahaan; Mutiara Alkayakni Harahap; Kurniawan Fazri
Jurnal Perikanan dan Kelautan Vol. 31 No. 2 (2026): June
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.31.2.224-227

Abstract

This research aims to investigate the impact of barnacle attachment (Balanus sp.) on the operational performance of fishing vessels in Sibolga City, focusing on vessel sailing speed and fuel oil consumption. The research used an experimental method with three hull condition treatments: clean hull, hull with moderate coverage (<50%), and hull with severe patch (>50%). Data collected includes speed, distance traveled, cruise time, and fuel usage. Data analysis involved ANOVA (Analysis of Variance) and simple linear regression. The results showed that barnacle patches significantly influenced ship performance (p=0.000). Ships with clean hulls achieved the highest average speed of 7.82 knots, while ships with severe sticking had the lowest speed. Regression analysis (R2=0.581) confirmed that 58. The level of barnacle attachment caused 1% of the variation in ship speed. Increasing barnacle coverage significantly increases fuel consumption through increasing hydrodynamic drag on the ship's hull. This study concludes that the presence of barnacles substantially reduces the performance and operational efficiency of fishing vessels

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