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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 20 Documents
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Search results for , issue "Vol 28, No 3 (2023): October" : 20 Documents clear
Potential of Vanname Shrimp Skin Astanxanthin Hydrolyzate as Alpha Glucosidase Enzyme Inhibitor Heriansyah, Ivan; Karnila, Rahman; Buchari, Dewita
Jurnal Perikanan dan Kelautan Vol 28, No 3 (2023): October
Publisher : Faculty of Fisheries and Marine, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.28.3.367-371

Abstract

The purpose of the study was to analyze hydrolysate astaxanthin as an inhibitor of the enzyme alf glucosidase. The method used is an experimental method by applying a Complete Random Design (RAL) The treatment used is a concentration of different papain enzymes, consisting of 3 treatment levels namely t1 (3%), t2 (6%), and t3 (9%). Observations made are 1) proximal analysis; 2) analysis of hydrolysate astaxanthin and its antioxidant activity; 3) analysis of the inhibition test of the enzyme alpha glucosidase and its inhibitory mechanism.  The results showed that the proxmat of vanname shrimp skin flour is; water content (9.20% bb), ash (31.46% bk), fat (1.64% bk), protein (37.60% bk), and carbohydrates (29.29% bk) (by different) with a yield of 36.22%. The highest astaxanthin content at the 3% papain enzyme concentration of 3.57 μg/g with the best antioxidant activity has the smallest IC50 value of 88,793 ppm and astaxanthin shows inhibition activity of alpha glucoside enzyme by 49.38% - 58.87% and astaxanthin has a competitive enzyme inhibition mechanism resulting in a decrease in postrandial blood glucose levels
Application of Photoperiod Manipulation and Type of Feed on the Growth and Survival of Clarias gariepinus Fry Pandiangan, Dian Pramanda; Suharman, Indra; Aryani, Netti
Jurnal Perikanan dan Kelautan Vol 28, No 3 (2023): October
Publisher : Faculty of Fisheries and Marine, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.28.3.299-306

Abstract

African catfish (Clarias gariepinus) is a freshwater fish that has the advantages of fast growth, high economic value, adaptability to environmental changes, and easy marketing. This study aims to analyze the growth rate, survival rate, and nutritional content of African catfish after being treated with photoperiod and different types of feed. The research was conducted from September to December 2022, at the Fish Health Laboratory at the Matauli Marine and Fishery College, Central Tapanuli. The method used is an experimental method by applying a Completely Randomized Design Factorial, two factors, and three replications. The first factor is the photoperiod (B), namely natural (B1), 18 hours dark 6 hours light (B2), 24 hours dark (B3), and the second factor is the type of feed (A), commercial feed (A1) and maggot (A2). The test fish used were obtained from the Central Tapanuli Fish Cultivation Seed Center measuring 16.01±0.02 cm and weighing 30.00 ± 0.00 g for a total of 126 individuals. Fish were reared for four weeks in rearing containers with a stocking density of 1 fish/10L. Feed is given four times a day, namely at 06.00, 12.00, 18.00, and 24.00 ad satiation. The results showed that photoperiod manipulation and different types of feed affected the growth and survival of African catfish fry (p<0.05). The combination of photoperiod 24 hours dark and maggot feed (B3A2) gave the best results on absolute weight growth of 22.70g, absolute length of 2.56 cm, a specific growth rate of 2.01%/day, a survival rate of 100%, and nutritional content of fish meat such as protein of 18.97%, 8.68% fat, 0.73% fiber, 1.54% ash, and 80.26% water
Fisheries Management of Terubuk (Tenualosa macrura) with an Ecosystem Approach (EAFM) in the Bengkalis Strait, Bengkalis Regency, Riau Province Adiwanarta, Rizki; Adriman, Adriman; Efizon, Deni
Jurnal Perikanan dan Kelautan Vol 28, No 3 (2023): October
Publisher : Faculty of Fisheries and Marine, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.28.3.401-414

Abstract

Fish resources are one of the natural resources that must be used as much as possible for the welfare of the community, especially around Riau Province, where part of its territory is a coastal area that has a wealth of marine biological resources that have the potential to be developed at present and in the future. One type of marine biological resource that has high economic value is the most abundant fish resource. The methods used in this study are the direct observation survey method, interviews, and distributing questionnaires. The data used in this research consists of primary and secondary data. Primary data is obtained from the results of observations and measurements made in the field, including interviews with respondents, while secondary data is in the form of excerpts from previous research journals and activity report documents obtained from related institutions or agencies. grouping based on composite value, i.e., domains that qualify as "moderate," namely economics, and domains that qualify for the "good" stage, namely the institutional domain, and finally the domains that qualify for the "excellent" stage are the domain of fish resources, the domain of fishing techniques, and the social domain. Therefore, the priority for improvement as well as the spotlight are given to the economic domain. The status of the best fisheries management in Bengkalis Regency as a whole is considered to be in good criterion condition (aggregate score: 71). However, specifically based on the values between domains, three groupings based on composite values can be obtained, namely, domains that qualify as "moderate," namely the economic domain and habitat and ecosystem. Domains that qualify as "good" are institutional domains and social domains. While the domains that qualify as "very good" are the domain of fish resources and the domain of fishing techniques, Domains that qualify as "good" are institutional domains and social domains
Zooplankton Community Structure Based on Different Depths at the Kambang River Estuary, Pesisir Selatan Regency West Sumatra Selvia, Seli; Siregar, Sofyan Husein; Nurrachmi, Irvina
Jurnal Perikanan dan Kelautan Vol 28, No 3 (2023): October
Publisher : Faculty of Fisheries and Marine, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.28.3.339-346

Abstract

This research was conducted in March 2022 at the estuary of the Kambang River, Pesisir Selatan Regency, West Sumatra. This study aims to analyze the structure of the zooplankton community based on depth. The method used is a survey method by determining the sampling location by purposive sampling and zooplankton sampling points by stratified sampling. Sampling of zooplankton utilizing a water pump and filtered using plankton net no. 25, then brought to the laboratory to be identified and the community structure calculated. Sampling was accompanied by water quality pH, temperature, salinity, brightness, current velocity and DO measurements. Four zooplankton species were found in the Kambang River Estuary: Aetideus armatus, Macrosetella sp., Oithona sp., and Cyclops sp. The average value of zooplankton abundance during the day ranged from 1,938.61 - 2,492.50 ind/L, and in the afternoon 1,938.61 - 2,769.45 ind/L, the diversity index during the day was 1.28 - 1.55 and in the afternoon 1.28 - 1.36, the index of uniformity during the day was 0.72 - 0.98 and in the afternoon 0.86 - 0.98, while the index of dominance during the day was 0.40 - 0.53 and in the afternoon 0.40 - 0.52. The one-way ANOVA test results obtained an average value of 0.010 during the day and 0.029 in the afternoon, meaning there was a significant difference in zooplankton abundance between research depths
Impact of Abrasion on Coastal Ecotourism Area in Medang Kampai District, Dumai City, Riau Province Harahap, Anugerah Ramadhan; Mulyadi, Aras; Rifardi, Rifardi
Jurnal Perikanan dan Kelautan Vol 28, No 3 (2023): October
Publisher : Faculty of Fisheries and Marine, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.28.3.372-380

Abstract

One of the tourism areas in Dumai City is Medang Kampai District, which is a coastal area with an area of 373.00 km2.  Coastal areas are always used for human activities, one of which is coastal ecotourism which is a coastal tourism activity developed with a conservation approach and utilizing the characteristics of coastal resources as tourist destinations.  Medang Kampai District has many coastal ecotourism areas, including Pulai Humpback Beach, Pesona Alam Mundam Beach, Aulia Dumai Beach, Marina Puak Beach, Koneng Beach, Acacia Indah Guntung Beach and Legenda Beach.  The method used in this study is a survey method, which was set at 5 (five) research locations, namely Pesona Alam Mundam Beach (Station I), Aulia Dumai Beach (Station II), Koneng Beach (Station III), Acacia Indah Guntung Beach (Station IV), and Legenda Beach (Station V).  Based on the results of data processing using DSAS software, the results showed that the coast in the Medang Kampai sub-district was dominated by abrasion with an average abrasion rate of -2.96 m/year. The highest abrasion occurred at Acacia Indah Guntung Beach, followed by Pesona Alam Mundam Beach, Legenda Beach, Aulia Dumai Beach, and Koneng Beach.  The impact on the coastal ecotourism area due to abrasion is that several facilities and infrastructure have been damaged and there has been a reduction in the area of coastal ecotourism which is thought to cause a reduction in the capacity of visitors while at the same time directly impacting the economy of the local community whose livelihoods depend on coastal ecotourism
Marketing Strategy for Processed Smoked Fish at Sipujuk Farm Ikur Koto Panjang, Koto Tangah, Padang West Sumatra Srilona, Mersy Applika; Warningsih, Trisla; Yulinda, Eni
Jurnal Perikanan dan Kelautan Vol 28, No 3 (2023): October
Publisher : Faculty of Fisheries and Marine, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.28.3.307-315

Abstract

This research was conducted in May 2022 in Ikur Koto Panjang Village, Koto Tangah District, Padang City. This research aims to analyze internal and external factors and marketing strategies in Sipujuk Farm; the internal factors in question are strengths and weaknesses, while external factors are opportunities and threats to the smoked fish marketing strategy at Sipujuk Farm. The method used in this research is the survey method by conducting interviews directly in the field and collecting data by filling out questionnaires. Respondents totaled nine people who were taken by purposive sampling with predetermined criteria. Data analysis techniques using SWOT analysis try to describe and analyze the level of advantages, disadvantages, opportunities, and threats as well as what kind of marketing strategies should be carried out by businesses in Sipujuk Farm Padang in marketing them. The results of this study are from the results of the analysis of internal factors obtained weighting score value on smoked fish business Sipujuk Farm Padang, namely for internal 2.89 and analysis of external factors received weighting score value on smoked fish business Sipujuk Farm Padang, namely 1.96. The strategy prioritized in the Sipujuk Farm smoked fish business is in the position I (aggressive strategy) to grow and develop, namely the SO strategy. These strategies include Maintaining product quality, expanding target marketing, utilizing certain parties when visiting to introduce smoked fish businesses both on social media and the real world, product quality that has the characteristic of being a differentiator from other smoked fish and a place of business that carries out overall fishery activities and maintains the image or image of the Sipujuk Farm Padang smoked fish business
Physico-chemical Characteristics and Fighting Fish Species in Swamp Waters of Sawah Village, Kampar Utara District, Kampar Regency, Riau Province Nasir, Abdini Ulfa; Fajri, Nur El; Yuliati, Yuliati
Jurnal Perikanan dan Kelautan Vol 28, No 3 (2023): October
Publisher : Faculty of Fisheries and Marine, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.28.3.415-419

Abstract

Sawah Village Swamp is one of the swamp waters in Kampar Utara District, Kampar Regency, Riau Province, as a habitat for fighting fish. This study aimed to determine the existing conditions of water quality, type, and population of fighting fish. The research method used is the survey method. Determination of sampling points using a purposive sampling method. The data results measuring the existing conditions of the quality of swamp waters in Sawah Village can still support aquatic organisms, especially fighting fish. The types of fighting fish found during the study consisted of 4 types: Trichopsis vittata, Betta akarensis, Betta waseri, and Betta imbellis. The number decreases if fishing efforts continue to be increased
Analysis of Sediment Organic Matter Content and Macrozoobenthos Abundance in Padang and Pariaman Coastal Waters, West Sumatra Fauzan, Azizul; Nedi, Syahril; Yoswaty, Dessy
Jurnal Perikanan dan Kelautan Vol 28, No 3 (2023): October
Publisher : Faculty of Fisheries and Marine, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.28.3.347-354

Abstract

The research was conducted in June - August 2022 in the coastal waters of Padang and Pariaman, West Sumatera. The method used in this research was a survey method. This research aims to determine the organic matter content of the sediment, the abundance of macrozoobenthos, and the relationship between sediment organic matter and the quantity of macrozoobenthos. Sampling was designed by purposive sampling by using 20x30 cm2 Ekman grab. The organic matter content of sediments in the Padang and Pariaman Coastal Waters, West Sumatra, ranged from 4.09 to 7.53%. The average abundance of macrozoobenthos at the four stations ranged from 20.37 to 90.74 ind/m2. Based on the identification results, the macrozoobenthos class found in the coastal waters of Padang and Pariaman consists of Bivalvia, Gastropods, and Malacostraca. The analysis of the sediment organic matter showed weak position relationships with macrozoobenthos abundance
Modification of Tankring Oven as a Dryer and Sample Storage for Research Activities of Fish Products in Microbiology and Biotechnology Laboratory Nofriati, Nofriati; Ildawati, Ildawati; Erwanti, Erwanti
Jurnal Perikanan dan Kelautan Vol 28, No 3 (2023): October
Publisher : Faculty of Fisheries and Marine, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.28.3.381-386

Abstract

Ovens or artificial/mechanical drying devices are tools used in educational and research activities in laboratories that function for sterilization, drying, and storing samples or processed products. This research modifies the tangkring oven with an innovative use of electricity. The background of the study is because there is no drying device and small sample storage with a small number of samples. The modification aims to make a replacement device as a dryer and sample storage in the laboratory. This study used an experimental method, and the data were analyzed descriptively. The oven that has been modified using a tangkring oven has an inner dimension of length =36 cm; width=36 cm; height =32 cm, heat source from 150-watt halogen lamps totaling two pieces, and a 12 cm diameter fan, the outer part of the tool has a length = 42.5 cm; width = 38 cm; height = 38 cm, equipped with legs and four wheels with a height = 85 cm. Temperature testing was carried out on each shelf with a thermometer as a temperature measuring instrument, with a temperature range of 30-60⁰C. The time required to reach a constant temperature is 0.5 to 20 minutes, and the temperature difference between the regulated temperature and the temperature achieved on the tool ±2ºC shows the results obtained are still within tolerance, the error value is still within tolerance ±5% indicates the results of the tool system performance is not disturbed. From the observations made, it is concluded that the modified tangkring oven can be used as a drying device and sample storage with a faster time and using limited samples for laboratory activities.
Sustainability Status of Four-Finger Threadfin (Eleutheronema tetradactylum) Management in Sinaboi Sub-District Rokan Hilir District, Riau Province Gea, Efvin Krisdayanti; Warningsih, Trisla; Arief, Hazmi
Jurnal Perikanan dan Kelautan Vol 28, No 3 (2023): October
Publisher : Faculty of Fisheries and Marine, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.28.3.316-323

Abstract

This research was conducted in July 2022 in Sinaboi District, Rokan Hilir Regency. This study aimed to analyze the sustainability status and attributes strongly influencing the sustainable management of four-finger threadfin (Eleutheronema tetradactylum) in Sinaboi District, Rokan Hilir Regency. The method used in this research is the survey method. Data sources were collected from primary data and secondary data.  The purposive sampling technique selected nine respondents who met specific criteria. The data obtained were analyzed with RAPFISH to explain the ecological, economic, social, technological, and institutional dimensions that include sustainability attributes through several analyses, including Multidimensional Scaling (MDS) and sensitivity analysis (leverage analysis). The results of the Multidimensional Scaling (MDS) analysis showed that the sustainability index in the ecological dimension with a value of 61.71 and the economic size with a value of 52.12, which has a reasonably sustainable status, as well as in the social dimension with a value of 50.94, the technological extent with a value of 48.81 and the institutional size with a value of 50.40 has a less sustainable status. 9 leverage attributes are sensitive and affect the value of sustainability in the results of sensitivity analysis (leverage analysis) for each dimension. Influential details need to be considered to increase the sustainability value of four-finger threadfin in Sinaboi District

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