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Ronal Kurniawan
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Faculty of Fisheries and Marine,Universitas Riau Kampus Bina Widya KM. 12,5 Simpang Baru, Tampan, Pekanbaru 28293 Indonesia
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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 43 Documents
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Search results for , issue "Vol. 27 No. 3 (2022): October" : 43 Documents clear
Composition of Togok Catch in Kuala Tungkal, Tanjung Jabung Barat, Jambi Mauliddin, Muhammad; Nofrizal, Nofrizal; Jhonnerie, Romie
Jurnal Perikanan dan Kelautan Vol. 27 No. 3 (2022): October
Publisher : Faculty of Fisheries and Marine, Universitas Riau

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

Abstract

Togok is one of the fishing gear that is operated in Kuala Tungkal, Tanjung Jabung Barat Regency, this fishing gear is in the form of a conical net body whose arms are tied to two poles and the success of catching it relies on currents, togok fishing gear is used by Kuala Tungkal fishermen to catch rebon shrimp (Acetes japonicas) but in operation, there are many other types of catch. This study aims to determine the main catch, bycatch, and discards and to determine the size as well as the number of togok catches. This research was conducted on April 5 – July 10, 2021. This research was conducted using experimental fishing methods, namely by conducting direct operations with local fishermen. The results of the study that the percentage of the catch of the main catch by 28%, bycatch 51%, and discard 21%. For the size of the catch of togok species of shrimp (crustacean), there are many sizes that have reached maturity or are suitable for catching while in the catch of fish species there are many sizes that are not yet mature. And for the number of catches in the catch togok main catch amounted to 550800 tail, the catch of the bycatch 79281 fish, and the catch of the discard 10186 fish.
Growth Performance of Striped Catfish (Pangasianodon hypopthalmus) Fed by Fermented Water Hyacinth Ramayani, Santi; Suharman, Indra; Lukistyowati, Iesje
Jurnal Perikanan dan Kelautan Vol. 27 No. 3 (2022): October
Publisher : Faculty of Fisheries and Marine, Universitas Riau

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

Abstract

Fermented water hyacinth by Aspergillus niger can be used as alternative ingredient replacing soymeal for feed in striped catfish. The experimental designed consist of five treatment substitution of soymeal used fermented water hyacinth and three repliacate: T0 (feed without FWH); T1 (25% FWH); P2 ( 50% FWH); P3 (75% FWH); and P4 (100% FWH. ). A total of 375 Striped catfish weight 4.21 ± 0.42 g were stocked with a density of 25 fish m-3 in fixed net cages. The study wasconducted for 42 days. The results showed that the treatment given improved growth, feed convertion, and survival rate of striped catfish at dose FWH 50% It is recommended that substitution FWH 50% can used to replacing soymeal for feed striped catfish.
Correlation Analysis of Oceanographic Parameters to Catching of Purse Seine Nets in Kranji Waters, Paciran District, Lamongan Regency Elasari, Nova; Perdanawati, Rizqi Abdi; Maulidiyah, Maulidiyah
Jurnal Perikanan dan Kelautan Vol. 27 No. 3 (2022): October
Publisher : Faculty of Fisheries and Marine, Universitas Riau

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

Abstract

Kranji waters have potential fishing grounds for the development of large marine fisheries. Kranji fishermen often face obstacles in their fishing efforts due to a lack of information about the season and potential fishing areas. The oceanographic factor of the waters can be one of the clues to determine a good catch. The purpose of this study was to determining the condition of the oceanographic parameters of the fishing area, determine the catch rate and determine the correlation of oceanographic parameters to the catch of ring trawlers. The data used in this study were temperature, salinity, depth, current velocity and catch for 10 fishing trips. Oceanographic parameters in the Kranji fishing area for 10 fishing trips were as follows: temperature ranged from 29.9- 31.8°C, water salinity ranged from 29-31.1‰, water depth ranges from 50-70 m and the current velocity ranges from 0.09 to 0.34 m/s. The variability of ring trawl production during 10 times of capture found 5 species caught. The variability and composition of purse seine catches were as follows: Tongkol Walang with a percentage of 54.42%, Tongkol Lorek with a percentage of 38.13%, belo with a percentage of 6.37%, juwi with a percentage of 0.53%, and the lowest. the percentage is bagong by 0.52%. The correlation of oceanographic parameters with purse seine catches is as follows: Current velocity has the highest correlation value with a correlation coefficient of 0.814. The temperature has a strong category value with a correlation coefficient of 0.756. Salinity has a negative correlation value with a value of -0.658. Depth has a strong category value with a correlation coefficient value of 0.657.
Diversity of Types and Sizes of Lobster (Panulirus spp) Caught in the Waters of Lewoleba Bay, Lembata Regency, Nusa Tenggara Timur Lasmi, Lasmi
Jurnal Perikanan dan Kelautan Vol. 27 No. 3 (2022): October
Publisher : Faculty of Fisheries and Marine, Universitas Riau

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

Abstract

This research was conducted in February-March 2021. The study was conducted in Nubatukan District, Lembata Regency. The purpose of this study was to determine the type and size of lobster caught by fishermen in the waters of Lewoleba Bay, Lembata Regency, East Nusa Tenggara. The methods used in collecting data are survey and interview methods. Based on the results of the study, researchers found two types of lobster caught by fishermen in the waters of Lewoleba Bay, namely: Bamboo Lobster (Panulirus versicolor) and Pearl Lobster (Panulirus ornatus). The size of lobster (Panulirus spp) caught by fishermen in the waters of Lewoleba Bay, has an average total carapace length of 20.79 cm for the P.versicolor species and an average total length of 19.84cm for the P. ornatus species. Furthermore, the average weight of 1.96 kg for the type of P.versicolor and an average weight of 2.08 kg for the type of P. ornatus.
Economic Sustainability and Fishery Business Development of Small Scale Lift Net Raft in Namar Village, Southeast Maluku District, Maluku Province Picaulima, Simon Marsholl; Ngangun, Tati Atia; Labetubun, Welem; Elwuar, Mifta Khul; Farneubun, Alexander Vigo
Jurnal Perikanan dan Kelautan Vol. 27 No. 3 (2022): October
Publisher : Faculty of Fisheries and Marine, Universitas Riau

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

Abstract

The lift net raft fisheries business is a production activity carried out by small fishermen for economic purposes, but the sustainability and development of this business is strongly influenced by economic, internal and external factors. The research was conducted from January 2022 to July 2022 in Ohoi Namar, Southeast Maluku District. The purpose of this research is to determine the feasibility of a fishery business and the right business development strategy. Primary and secondary data were collected using a survey method, with interview, questionnaire and observation, the data analyzed by business feasibility analysis and SWOT. The results of the study show that the lift net raft fishries business is feasible to continue because it has a NPV value of Rp. 548,200,783, IRR = 102%, Net B/C = 5.0, and PP = 2.0. The business development strategy consists of the SO strategy which includes increasing fleet capacity, improving the quality of cath, optimizing secondary cath when season transition 1 and 2. The WO strategy is to improve lighting technology, expand marketing networks, optimize information technology to expand market access, improve the quality of education for ABK owners and fishermen. ST' strategy includes implementing environmentally friendly fishing technology and health protocols in every aspect of the business. WT' strategy is cooperation with KKP in coastal and ocean management, efficiency and effectiveness of production costs and fishing time.
Subsurface Marine Heatwaves of South Java Sea: Trend, Frequency, Duration, and Cumulative Intensity Based on Assimilation Model (1993-2019) Azuga, Nabila Afifah; Radjawane, Ivonne M.
Jurnal Perikanan dan Kelautan Vol. 27 No. 3 (2022): October
Publisher : Faculty of Fisheries and Marine, Universitas Riau

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

Abstract

Marine heatwaves (MHWs) are extreme warming events in the ocean when the temperature detected is above the 90th percentile of climatological temperature for at least five consecutive days. MHWs events can extend up to thousand kilometers and have been detected in the subsurface layer. MHWs are described by metrics (frequency, duration, and cumulative intensity). The purpose of this study was to determine the characteristics of MHWs in the subsurface layer for 27 years (1993-2019). The data used in this study is the sea water temperature data of the depth 0,4m-763m from Marine Copernicus Global Ocean Physics and Niño 3.4 indices. The method used in this study is a statistical method to calculate the average and trend of the MHWs metric. The results of this study denotes that the occurrence of MHWs at a depth of 0.4m-92m is caused by ENSO (El Niño Southern Oscillation) positive phase (El Niño) with a delay of 7-8 months and at a depth of 109m-763m caused by negative phase ENSO (La Niña) with a delay of 1-3 months. It was also found that the frequency of MHWs was higher at a depth of 418m-763m with a maximum value is 2,6 events/year, the duration of MHWs was greater at a depth of 0,4m-77 m, with a maximum value of duration is 30-32 days/year, and the maximum cumulative intensity of MHWs events for 27 years is 90˚C. During the 1993-2019, the trend of frequency, duration, and cumulative intensity of MHWs in the subsurface layer of south Java Sea has significantly increased.
The Effect of Differences Color of Artificial Bait on Sepioteuthis lessosiana catches using Hand Line Ramdhani, Farhan; Yunita, Lauura Hermala; Magwa, Rizky Janatul; Gelis, Ester Reastiana Endang; Wulanda, Yoppie
Jurnal Perikanan dan Kelautan Vol. 27 No. 3 (2022): October
Publisher : Faculty of Fisheries and Marine, Universitas Riau

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

Abstract

Hand Line is a traditional fishing gear that commonly used by a fisherman in the Panggang Island, Kepulauan Seribu to catch bigfin reef squid (Sepioteuthis lessosiana). The purpose of this research is to analize the effect of color differences on artificial bait to catchment product of squid and to determine the bait’s colors that produce the most catches of squid. This research was conducted through an experimental method using a randomized block design (RAK) for 14 repetitions. Total of catches that earned amounted to 268 individuals (32,1 kg) consisted of 79 individuals (9,1 kg) caught with artificial baits orange color combination of white, 57 (7,7 kg) caught with artificial baits green color combination of white and 132 individuals (15,3 kg) caught with artificial bait color combination of red and white.
Isolation of Lactic Acid Bacteria from Digestive Tract of Asian Swamp Eel (Monopterus albus) and Bacterial Antagonist Test to Inhibit Pathogenic Bacteria Aeromonas hydrophila and Pseudomonas sp Alfinda, Rudi; Lukistyowati, Iesje; Syawal, Henni; Putra, Iskandar
Jurnal Perikanan dan Kelautan Vol. 27 No. 3 (2022): October
Publisher : Faculty of Fisheries and Marine, Universitas Riau

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

Abstract

Lactic Acid Bacteria (LAB) are probiotic-forming bacteria that have characteristics, like be able to ferment sugar or carbohydrates and produce lactic acid as the final product of fermentation. The purpose of this study was to obtain isolates of lactic acid bacteria from the digestive tract of Asian Swamp Eel (Monopterus albus) and to determine the inhibition produced by these lactic acid bacteria in inhibiting pathogenic bacteria such as Aeromonas hydrophila and Pseudomonas sp. The method was used in this study is experimental method, by taking the digestive tract of Asian Swamp Eel and then identifying the lactic acid bacteria and characterized by morphological and biochemical characteristics and tested of the antagonist against the pathogenic bacteria A.hydrophila and Pseudomonas sp. using the Kirby Bauer disc method (disc method). From the research results obtained 5 types of candidate lactic acid bacteria with each code BL121, BL263, BL142, BL242 and BL342. The five isolates of lactic acid bacteria were able to inhibit A.hydrophila and Pseudomonas sp. with a Inhibition range of 8-16 mm. Based on the results of the study, there were three isolates that had inhibitory power against bacteria A. hydrophila (12-16 mm) and Pseudomonas sp (11-13 mm) with codes BL121, BL263 and BL142 and were classified as strong. The identification results obtained are bacteria from the genus Bacillus sp.
The Level of Participation of Fisherman in the Activities of the Indonesian Fisherman Association (HNSI) in Tanah Merah Village Tanah Merah District Indragiri Hilir Regency, Riau Ningsih, Ade Widya; Kusai, Kusai; Bathara, Lamun
Jurnal Perikanan dan Kelautan Vol. 27 No. 3 (2022): October
Publisher : Faculty of Fisheries and Marine, Universitas Riau

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

Abstract

This research aimed to obtain the level of participation of fishermen in the activities of the Indonesian Fishermen Association (HNSI) and to analyze the relationship between internal and external factors on the level of participation of fishermen in the activities of the Indonesian Fishermen Association. This research was conducted in Tanah Merah Village, Tanah Merah District, Indragiri Hilir Regency, Riau Province because there is an organization of the Indonesian Fishermen Association for the Tanah Merah Branch. The method used in this research is a survey method with 37 respondents. Data analysis used descriptive statistics and The Spearman Rank correlation test. The results showed that: (1) The level of participation of fishermen is in the medium category. (2) Spearman Rank correlation test shows that internal and external factors that are significantly related to the level of fisherman participation are income level, the intensity of counseling, benefits or functions, Non-Governmental Organizations (NGOs), and government involvement, while age, education level, number of family dependents, length of stay, and non-member activities are not significantly related.
Analysis of the Level of Abrasion on the Coast of Bukit Batu Sub-District, Bengkalis Regency, Riau Paramita, Elisa; Rifaldi, Rifaldi; Feliatra, Feliatra
Jurnal Perikanan dan Kelautan Vol. 27 No. 3 (2022): October
Publisher : Faculty of Fisheries and Marine, Universitas Riau

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

Abstract

The purpose of this study is to determine the rate of shoreline change and the level of abrasion in Bukit Batu District, Bengkalis Regency, Riau Province based on several physical variables in the coastal area. End Point Rate (EPR) is a method that can be used to calculate the rate of shoreline change by displaying transects according to their category (high abrasion, medium abrasion, low abrasion, stable, and accretion). From 1991-2021 there was an abrasion of ±139.71 m equivalent to ±4.65 m/year which mostly occurred in Sukajadi Village and Pangkalan Jambi Village, while accretion of ±27.51 m equivalent to ±1.58 m/year mostly occurred in Pakning Asal Village and Sejangat Village. Moderate abrasion is the predominant type. Sukajadi and Pangkalan Jambi are villages that have experienced high levels of abrasion. The area affected by abrasion has moderate and fast currents as well as coastal protection in the form of mangroves, most of which have been damaged and require repairs. Therefore, the main factors causing the abrasion are thought to be the lack of coastal protection and high-speed currents and waves flowing from the Malacca Strait.

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