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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 938 Documents
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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.
Absorption and Sinking Speed of Artocarpus Stems Rope (Artocarpus sp.) and Carex Grass Rope (Carex sp.) in Freshwater and Seawater Fitri, Amraini; Nofrizal, Nofrizal; Jhonnerie, Romie; Ramadhan, Fauzan
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

Artocarpus stems (Artocarpus sp.) and Carex grass (Carex sp.) have not been applied to fishing gear materials. The fibers produced made into a rope, where this rope is used to absorption and sinking speed test in fresh water and sea water.The absorption of Artocarpus stems rope was 320.30% and 282,60% in fresh water and sea water. Meanwhile for sinking speed have a 5,78 cm/s and 5,08 cm/s for fresh water and sea water. For the Carex grass rope, the absorption in fresh water and sea water was 287,67% and 218,02%. Sinking speed value 2,97 cm/s and 2,67 cm/s for fresh water and sea water. The value of absorption and sinking speed in fresh water is higher than in sea water for both types of rope.
Population Dynamics of Narrow-Bareed Mackerel (Scomberomorus commersonii) and Wolf Herring (Chirocentrus dorab) in Malacca Strait Waters Mardiyah, Wilda; Fauzi, Muhammad; Efizon, Deni
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

Narrow barred Spanish mackerel and wolf herring is an important commodity that has commercialized intensively to fulfill the needs of the market, both domestic and export. Research has been conducted from June-August 2020 in Malacca Strait Waters. The purpose of this study is to analyze the dynamics of population parameters such as growth rate, mortality rate, exploitation rates, and recruitment patterns of narrow barred mackerel (Scomberomorus commerson) and wolf herring (Chirocentrus dorab). The Sample size of spanish mackerel was taken at randomly from the purse seiner and gillnet catches. Data of size obtained were used for the analysis of population dynamics parameters. Some population dynamics parameters were estimated using the program FISAT II. Von Bertalanffy growth parameters of spanish mackerel were derived L and growth rate (K),for males 772.8 mm and 0.5/year and for females 979.65 mm and 1,7/year and wolf herring was derived L and growth rate (K), for males 871.5 mm and 0.59/year, and for females 1048.95 mm and 0.65/year, respectively. Total mortality (Z) of spanish mackerel males and females was 0.61/year and 4.07/year and the wolf herring males and females was 0.36/year and 1,3/year. Fishing mortality rate of spanish mackerel (F) for males and females was 0,13/year and 3.07/year high than natural mortality rate (M) 0.48/year and 1/year and wolf herring fishing mortality rate for males and females was 0.16/year and 0.78/year lower than natural mortality rate (M) 0.52/year. Exploitation rate (E) of spanish mackerel for males and females was 0.21/year and 0.75/year and wolf herring for males and females was 0.44/ year and 0,6/year, that almost full exploitation when compared with optimum of 0.40. The recruitment pattern of Spanish mackerel for males was (14.59%) in June and for females was (26.84%) in August and wolf herring for males was (16.02) in June, and for females was (28.63%) in July.
Abundance of Microplastic in Water Column of Lubuk Siam Lake (Oxbow) Lubuk Siam Village Siak Hulu District Kampar Regency Riau Province Helfira, Vivi; Fauzi, Muhammad; Yuliati, Yuliati
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

Microplastics originated from degraded plastic materials that may be flown to water bodies and accidentally swallowed by aquatic organisms. The Research aims to understand the microplastics in the water body in the Lubuk Siam lake and was conducted from September to November 2020. Samplings were conducted 3 times, once per month, in 3 sampling points. At each sampling point, 100 L of water was taken and filtered using a planktonnet (30 µm mesh size). To obtain the microplastics, the filtered water was again filtered using Whatman filter paper No.42, and the type of microplastics were identified using a binocular microscope. Results show the types of microplastics found in the water namely fibers, films, and fragments. The microplastic density was (10 fibers/m3), (93 films/m3) and (40 fragments/m3) in the water. Data obtained indicate that the most common type of microplastic found in the waters was film.
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.

Page 59 of 94 | Total Record : 938

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