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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 20 Documents
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Search results for , issue "Vol. 30 No. 2 (2025): June" : 20 Documents clear
Analysis of Sea Surface Temperature Distribution and Its Relation to Rainfall in Pariaman City Seven, Diko Alafchan; Mubarak, Mubarak; Elizal, Elizal
Jurnal Perikanan dan Kelautan Vol. 30 No. 2 (2025): June
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.30.2.245-251

Abstract

This research was conducted in February 2024. The research locations of Pariaman City waters include Angso Duo Island, Tangah Island, Ujung Island, and Kasiak Island. The research objectives were to determine the distribution of sea surface temperature, average rainfall, and the relationship between sea surface temperature and rainfall. The survey method, direct observation at the research location, was used. The results of this study indicate that the sea surface temperature in the study area in the western season (December - February) ranges from 30.70- 30.430C. The sea surface temperature in the first transitional season (March-May) ranges from 30.06-31.090C. The sea surface temperature in the east season (June - August) ranges from 30.46- 30.90C. The sea surface temperature in the second transitional season (September - November) ranges from 30.08-30.120C. The maximum rainfall in Pariaman City is in the form of rainfall. The maximum rainfall in Pariaman City occurs in November, with an average rainfall of 444 mm, while the minimum rainfall occurs in February, with an average rainfall of 235 mm. The results of the correlation analysis of sea surface temperature with rainfall are weak and strong correlation categories. In March, it produces an "r" value of 0.303, a weak category, and a coefficient of determination (R2) of 0.092 or 9.2%. In October, it produces an "r" value of o.686, a strong category, and a coefficient of determination (R2) of 0.470 or 47%.
Business Analysis of KJA Hoven's Carp (Leptobarbus hoevenii) Managed by Bumdes Purnama Kampar, North Kampar Sub District, Riau Astari, Betri Dea; Darwis, Darwis; Yulinda, Eni
Jurnal Perikanan dan Kelautan Vol. 30 No. 2 (2025): June
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.30.2.162-167

Abstract

The success of Hoven's carp (Leptobarbus hoevenii) production inputs determines fish farming. One of these production inputs is the availability of seeds for floating net cage cultivation. Hoven's carp are maintained in this KJA, and they are fed twice a day to produce large and healthy Hoven’s carp. Hoven’s carp fish harvest is directly sold to tauke or collectors. This study analyzes the investment, business feasibility, and business constraints of KJA Hoven's carp fish in BUMDes Purnama Kampar. The survey method used 15 respondents using a purposive sampling technique consisting of 1 Director, 1 Secretary, 1 Treasurer, 1 Head of Unit, and 11 Members of BUMDes Purnama Kampar. The types of data collected are primary data and secondary data. Data obtained from interviews, questionnaires, and literature. From the results of research with KJA size 11×4×3.4 (149.6 m3), a total investment of KJA fish business of IDR 718,135,000 was obtained, business revenue of IDR 888,740,000/year, and net profit of IDR 437,971,000 / year. This business is only conducted once a harvest/year. The profit is divided into 50% for BUMDes members and 50% for BUMDes as the business manager. The RCR value of 1.9, FRR of 23.14%, and PPC of 4.3 years indicate that the business is feasible and the capital returns in 4.3 years. The primary constraints are disease attacks, low fish selling prices, and oversupply
Histopathology of Gills and Liver of Tilapia (Oreochromis niloticus) Infected with Streptococcus agalactiae and Fed with Fermented Herbal Medicine Siallagan, Romensius Anggi AW; Syawal, Henni; Riauwaty, Morina
Jurnal Perikanan dan Kelautan Vol. 30 No. 2 (2025): June
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.30.2.219-226

Abstract

Streptococcus agalactiae is a pathogen that causes significant losses in tilapia (Oreochromis niloticus) aquaculture. One alternative control is the use of natural ingredients such as fermented herbs. This study aims to analyze changes in the histopathological structure of the gills and liver of tilapia fish fed with feed containing fermented herbs after being infected with S. agalactiae. The research was conducted from March to December 2023 at the Laboratory of Parasites and Fish Diseases, Faculty of Fisheries and Marine Sciences, Universitas Riau and Bukittinggi Veterinary Center. The method used was a one-factor, completely randomized design (CRD) with five treatments and three replicates. The treatments consisted of negative control (Kn), positive control (Kp), and three feed treatments with fermented herbal medicine doses of 100 (P1), 125 (P2), and 150 mL/kg feed (P3). S. agalactiae infection was carried out on day 31 at a dose of 10⁸ CFU/mL. The results showed that the P3 treatment gave the best results, characterized by minimal damage to gill tissue (only hypertrophy) and liver (mild vacuolar degeneration) and the highest survival rate of 83.33%. In conclusion, adding fermented herbal medicine at a dose of 150 mL/kg feed can increase the immunity of tilapia against S. agalactiae infection, as shown through the improvement of organ tissue structure and improved survival
The Impact of Sand and Stone Mining on the Width of the Kampar River in Tambang District, Kampar Hadi, Syofian; Budijono, Budijono; Mulyadi, Aras
Jurnal Perikanan dan Kelautan Vol. 30 No. 2 (2025): June
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.30.2.239-244

Abstract

The Kampar River has enormous benefits for people's lives, including the availability of non-renewable resources such as sand and stone, which are utilized without permission as raw materials for building. The high demand for river sand and stone and modern sand mining technology exacerbate environmental impacts, especially the width of the Kampar River. This study was conducted to determine the impact of changes in river width caused by illegal sand and stone mining activities in the Kampar River. This research uses a quantitative approach with direct observation methods, interviews, and literature studies. This research was conducted from May to August 2024 in Padang Luas Village, Terantang Village, Parit Baru Village, and Kualu Village, Tambang District, Kampar Regency. The results of this study indicate that illegal sand and stone mining activities in the Kampar River cause significant widening of the river, in addition to increasing turbidity and siltation of the river due to cliff collapse. The impact of changes in river width is worst in Parit Baru Village, which has the most mining locations compared to the other three villages. The highest turbidity value is found at station 3, and the shallowest river depth is at station 2. Illegal sand and stone mining has a real negative impact on the environment, especially on the physical condition of the Kampar River, which is marked by the siltation and widening of the river from year to year.
Density of Escherichia coli Bacteria in Blood Clams (Anadara granosa) in Anak Setatah Village, Meranti Islands Regency, Riau Rahmanda, Melysa; Feliatra, Feliatra; Nursyirwani, Nursyirwani
Jurnal Perikanan dan Kelautan Vol. 30 No. 2 (2025): June
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.30.2.212-218

Abstract

Blood clams are soft-bodied animals that live sessile and obtain food by filtering (filter feeders). This results in many microorganisms accumulating in the body of the blood clams, one of which is the coliform bacteria group. Coliform bacteria are divided into two types, namely fecal coliform and non-fecal coliform. Fecal coliform comes from animal and human feces, such as Escherichia coli. According to SNI 01-7388-2009, the MPN value of E. coli bacteria for fresh Mollusca, Crustaceans, and Echinodermata is <3/g. This study aimed to calculate the density of E. coli bacteria in blood clams. This study was conducted from December 2024 to February 2025. Sampling was conducted at the lowest ebb with one transect consisting of 3 plots measuring 1 × 1m². The MPN method is a method for analyzing coliform bacteria and E. coli. The results of the estimation test obtained at station 1, namely the Tebing Dian Beach Area, ranged from 7-10 MPN/g with an average of 12.6 MPN/g and station 2, namely the "Cinta Mangrove" Tourism Area, ranged from 4-15 MPN/g with an average of 10 MPN/g. While the results of the estimation test obtained at station 1 ranged from 3-4 MPN/g with an average of 2.3 MPN/g, stations 2 ranged from 3 MPN/g with an average of 1.0 MPN/g. These results indicate that the abundance of E. coli bacteria in blood clams does not exceed the quality standards set based on SNI 01-7388-2009
Population Structure of Polymesoda expansa Shellfish in Mangrove Forest in Banglas Village, Meranti Islands Anggraini, Hafidah Novi; Nasution, Syafruddin; Tanjung, Afrizal
Jurnal Perikanan dan Kelautan Vol. 30 No. 2 (2025): June
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.30.2.227-232

Abstract

Lokan (Polymesoda expansa) is a bivalve in mangrove forest areas with important ecological and economic values. The lokan population plays a role in maintaining water quality and is a source of livelihood for coastal communities. This study aims to analyze the abundance, distribution patterns, and frequency distribution of individual sizes of P. expansa in the mangrove forest of Banglas Village, Meranti Islands Regency. The research was conducted in December 2024 using a survey method to determine station locations by purposive sampling. Sampling was conducted at three stations, each consisting of three transects with plots measuring 1 × 1 m². The results showed that the highest abundance was found at Station III (±16.33 ± 5,508 ind/m²) and the lowest at Station II (8.33 ± 2,082 ind/m²). The distribution pattern of lokan at all stations is clustered (Morisita index value> 1). The frequency distribution of individual sizes showed the dominance of sizes 3.40-3.89 cm with 21 individuals. Abundance and distribution patterns of lokan are influenced by habitat conditions, human activities, and food availability. ANOVA test results showed no significant differences in abundance between stations, but there were significant differences between subzones. Knowledge of the population structure of P. expansa is vital for sustainable resource management in mangrove ecosystems
Enrichment of Fish Resources with Artificial Habitat in Sepunjung Lake Rantau Baru Village, Pangkalan Kerinci, Pelalawan Utami, Niken Yufira; Putra, Ridwan Manda; Budijono, Budijono
Jurnal Perikanan dan Kelautan Vol. 30 No. 2 (2025): June
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.30.2.257-260

Abstract

This research aims to determine the types of fish caught in Lake Sepunjung and in the Artificial Habitat equipment at Lake Sepunjung, Rantau Baru Village, Pangkalan Kerinci, Pelalawan, Riau Province. This research was conducted in January-March 2024 in Lake Sepunjung, Rantau Baru Village, Pangkalan Kerinci, Pelalawan, Riau. This research used a survey method to obtain primary data from water quality measurements and fish caught. Sampling was carried out every 2 weeks for 3 months. The results of this research obtained the value of the composition of the most common type of fish, namely the Oxgaster anomalura, with the highest percentage of 44.13%, and in Artificial Habitat, namely Ompok hypothalamus fish, with the highest percentage of 28%. The value of the diversity index (H') in Lake Sepunjung is 2.95 (moderate), and the value in Artificial Habitat is 2.83 (moderate). The value of the uniformity index (E) in Lake Sepunjung is 0.622 (low), and the value in Artificial Habitat is 0.894 (low). The value of the dominance index (C) obtained in Lake Sepunjung, namely 0.233 (low), and the value in Artificial Habitat, namely 0.165 (low)
Risk and Income Analysis of Vaname Shrimp Cultivation Business (Litopenaeus vannamei) in Bantan District, Bengkalis Regency Sarah, Maya; Arief, Hazmi; Yanti, Chicka Willy
Jurnal Perikanan dan Kelautan Vol. 30 No. 2 (2025): June
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.30.2.261-267

Abstract

This research was conducted in April 2025 in Bantan District, Bengkalis Regency. This study aimed to calculate the income of vaname shrimp farming and analyze the production and income risk of vaname shrimp farming. The survey method was used in this study. The risk measures used include variance, standard deviation, coefficient of variation, and lower limit, while business income is analyzed using income analysis. The number of samples was 26 respondents, with the selection of census technique samples. The results showed that the respondents' average production of vaname shrimp was 660,558.85 kg/Ha, and the average income was IDR614,516,253 / ha. The coefficient of variation of the results of production risk analysis is 0.0887, with a lower limit of 20,896 kg/Ha. The coefficient of variation from the results of the income risk analysis is 0.1139 with a lower limit of IDR474,445,189/Ha. From the study results, the risk to the production and income of Vaname shrimp farming is relatively low
Comparative Study of Cultivation of Leptobarbus hoeveni and Wallago sp in Ranah Village, Kampar Regency, Riau Nadeak, Lendiana; Arief, Hazmi; Zulkarnaini, Zulkarnaini
Jurnal Perikanan dan Kelautan Vol. 30 No. 2 (2025): June
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.30.2.268-274

Abstract

This research was conducted in Ranah Village, Kampar Regency, Riau Province, in April 2024 to analyze the comparison of production facility use and cost structure, income, and business feasibility of hoven carp and tapah enlargement farming. The research method employed in this study is the survey method, which involves direct observation of objects in the field and the collection of data related to the research conducted. The population in this study consisted of 15 fish farmers of hoven carp and tapah. The data obtained through descriptive analysis explain the differences in product facilities for cultivating the two fish, with a focus on seeds and feed. The analysis of income in tapah farming is higher, at IDR 119,098,750, than the income of hoven carp farming, at IDR 43,680,909
Comparative Study of Growth Circle Patterns in Otoliths of Guppy Fish (Poecilia reticulata) from Areas Polluted with Domestic Sewage Wulandary, Marchya Audhya; Putra, Ridwan Manda; Windarti, Windarti
Jurnal Perikanan dan Kelautan Vol. 30 No. 2 (2025): June
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.30.2.275-281

Abstract

Guppy fish (Poecilia reticulata) inhabit polluted water, such as domestic waste-filled ditches in residential areas, as well as in rivers. These two habitats have different water qualities, which affects the growth of the fish; this is reflected in the pattern of growth rings in the otoliths. To determine the differences in growth ring patterns of otoliths in guppies living in ditches versus the river, a study was conducted in March and April 2025. Fish were caught using a scoop net once every 2 weeks, three times. The fish were measured, and otoliths were taken. They were then attached to objects made of glass and manually shaved using a smooth grindstone. The growth rings in the otolith were observed using a microscope. Results showed that 103 fish were caught, 50 from the trench and 53 from Tangkerang River. The size of the fish caught was 18-31 mm from the trench and 17-31 mm from the river. In fish with the same total length, the otoliths from the river were longer and wider (0.5-1 mm in length and 0.4-0.95 mm in width), whereas those from the trench were shorter (0.42-0.85 mm in length and 0.4-0.67 mm in width). The maximum number of dark rings on the otoliths of fish from the ditch was 3, whereas from the river, it was 4. There were 27 fish from the river and 18 fish from the trench that had no dark ring in the otolith. The data obtained show that the growth of guppies in the Tangkerang River is better than in the Purigiam Housing trench

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