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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 44 Documents
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Search results for , issue "Vol. 28 No. 1 (2023): February" : 44 Documents clear
Coral Reef Status after the 2018 Sunda Strait Tsunami Using the CPCe Program: A Case Study of Tanjung Lesung Banten Anzani, Luthfi; Minsaris, La Ode Alam; Wilujeung, Alya Dina; Rahardjo, Cakra; Hasidu, La Ode Fajar; Nugroho, Fajar
Jurnal Perikanan dan Kelautan Vol. 28 No. 1 (2023): February
Publisher : Faculty of Fisheries and Marine, Universitas Riau

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

Abstract

Tsunami that swept the Tanjung Lesung coast in 2018 caused Anak Krakatau to collapse in Sunda Strait which hit the coastal areas of Banten and Lampung. Tanjung Lesung is one of the worst areas affected. Tsunami in Tanjung Lesung has taken lives, damaged infrastructure, and caused terrible natural damage. One of the damages affecting residents' lives in the Tanjung Lesung coastal community is exposure to the marine ecosystem. The main ecosystem that has the highest productivity level is the coral reef. Coral biota is the main benthic biota of reefs that are directly affected by earthquakes and tsunamis. However, until now there has been no data on the status of coral reefs after the 2018 Sunda Strait tsunami. Therefore, researchers feel the urgency of this research is high enough to determine the condition of coral reefs after the Sunda Strait tsunami in Tanjung Lesung. There are 3 research stations for data collection before the tsunami, and we conduct research in those 3 stations again after the tsunami. Then we added 3 research stations again, so there are 6 research stations. Observation of coral reefs uses the Line Intercept Transect (LIT) method. The line transect is made by stretching a roll meter with a scale parallel to the coastline along 25 meters with three replications with an interval of about 0-5 meters between replications so the total observed transect was 75 meters. The deterioration of coral reef conditions at three research stations (1-3) proved that the tsunami waves affected the damage to coral reefs. This has an impact on the diversity of coral reef species inhabitants that have decreased. Disturbance form coral-damaged structure and composition changes of the base substrate as habitat can have an impact on reef fish and coral reef inhabitants. So that this research is expected to be a reference for policymakers in determining rehabilitation steps for areas affected by the 2018 Sunda Strait tsunami.
Acute Toxicity Test of Laundry Detergent Waste and Sublethal Test to Gourami Fingerlings (Osphronemus gouramy) Ramadhan, Rizky; syafiadiman, Syafriadiman; Hasibuan, Saberina
Jurnal Perikanan dan Kelautan Vol. 28 No. 1 (2023): February
Publisher : Faculty of Fisheries and Marine, Universitas Riau

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

Abstract

Laundry detergent waste is toxic and can harm the environment and aquatic life. This study aims to find out the effect of detergent waste on the growth and mortality of gourami (Osphronemus gouramy) seeds and the threshold value of laundry detergent waste that can still be tolerated by gourami seeds. This research was carried out from December 2020 to January 2021 at the Aquaculture Environmental Quality Laboratory, Faculty of Fisheries and Marine Science (FPK) University of Riau. This research method used an experimental method using a completely randomized design (CRD) method with three tests namely the preliminary test, acute toxicity test, and sublethal test. Observation of fish behavior and morphology during the test is described descriptively. In the preliminary test, the lower and upper threshold values were 10 ml L-1 and 100 ml L-1. Then in the acute toxicity test, the value LC50-96 hour was obtained at 30.1 ml L-1 with a biological safe limit value of 0.301 ml L-1. The best treatment obtained from the sublethal test was P1 with a concentration of 0.3 ml L-1 resulting in an absolute weight gain of 1.03 g, a specific growth rate of 1.56%, and a survival rate of 83.33%. The mortality rate is influenced by the concentration of detergent waste, the higher the concentration of detergent waste, the higher the mortality rate. Detergent waste that enters the waters affects the surface tension of the water so that the oxygen diffusion process is hampered, the reduced dissolved oxygen stresses the fish. Detergent waste can also enter the fish's body, irritating the gills and other organs, which can lead to death.
Improving the Quality of Smooth Anchovy Nugget (Stolephorus sp) with the Addition of Sajiku Flour Kaliky, Nurainy
Jurnal Perikanan dan Kelautan Vol. 28 No. 1 (2023): February
Publisher : Faculty of Fisheries and Marine, Universitas Riau

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

Abstract

Anchovies (Stolephorus sp) are fish that have important economic value even though they are small. This fish is rich in nutritional content and has a savory and delicious taste when processed into food. This fish is very liked by various groups even though it has a small size and without bones. This anchovy contains lots of calcium, protein and minerals such as phosphorus and iron that are very useful for increasing the intelligence of children and toddlers, as well as for preventing osteoporosis in pregnant women and the elderly as well as helping in the growth of bones and teeth in infants, toddlers and children. To improve the quality of anchovy nuggets, it is necessary to add certain binders to improve the taste of anchovy nuggets. This study aims to improve the quality of anchovy nuggets by adding a binder in the form of servedku flour and adding to the economic value of refined anchovy so that it is more attractive to the public. There were 3 treatments and 2 repetitions. The treatments were A. Anchovies; A1 = using carrots, A2 = without carrots and treatment B (sajiku flour concentration); B1=100g, B2= 200g. Moreover, Treatment C (cooking temperature); C = 65ºC - 85ºC for 30 minutes. From the results of the study, it can be seen that the water content, protein content and fat content did not show any significant effect.
Tourism Suitability Index (TSI) and Regional Carrying Capacity (RCC) of Pesona Beach in Teluk Rhu Village, North Rupat Bengkalis Regency, Riau Manalu, Merry; Warningsih, Trisla; AN, Darwis
Jurnal Perikanan dan Kelautan Vol. 28 No. 1 (2023): February
Publisher : Faculty of Fisheries and Marine, Universitas Riau

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

Abstract

Rupat island in Riau Province has many beaches as tourist destinations. One of the beaches is Pesona Beach which is located in Teluk Rhu village, North Rupat, Riau Province. This beach has the beauty of white sand that stretches along the coast. This study was conducted in July 2021 with the aim of knowing the tourism suitability index and calculating the carrying capacity of the region to develop into a beach tourism destination. This research method used descriptive and qualitative method then the data is based on the parameters of the Tourism Suitability Index (TSI) and Regional Carrying Capacity (RCC). The final results showed that the tourism suitability index for four categories: beach recreation S2 (appropriate), swimming S2 (appropriate), fishing S1 (very suitable), and boating S1 (very suitable). The regional carrying capacity of the Pesona beach area for tourism activities can accommodate 821 people/day. If there is an excess of visitors, it will have a negative impact on the ecosystem, therefore it is necessary to pay attention to the operation of the tourist area so that it is preserved and sustainable.
Budidaya Udang Vannamei (Litopenaeus vannamei) dengan Sistem Intensif Terhadap Pertumbuhan, Kelangsungan Hidup dan Feed Conversion Ratio Akbarurrasyid, Muhammad; Prajayati, Vini Taru Febriani; Astiyani, Wahyu Puji; Nurkamalia, Ilma
Jurnal Perikanan dan Kelautan Vol. 28 No. 1 (2023): February
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

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

Abstract

Intensive vannamei shrimp cultivation is a high-density culture to get maximum results with the use of limited cultivation space. High cultivation activities cause high waste production, which inhibits growth, survival rate, and feed conversion ratio (FCR). This study aims to determine the cultivation of vannamei shrimp with an intensive system on growth, survival rate, and FCR. The research was carried out in Legok Jawa, Pangandaran in the period March–May 2022. The research was carried out by means of a survey and analyzed by a quantitative descriptive approach. The results of the study obtained growth values, namely: Mean Body Weight (MBW) ranges from 1.61 to 21.11 g/head, Average Daily Growth (ADG) ranges from 0.14 to 0.62 g/day, size is 49 fish/kg and biomass is 7,680 kg. The survival rate value obtained is around 95.07 – 84.87%, while the feed conversion ratio (FCR) value ranges from 1.2 to 1.5. In general, the results of growth, survival rate, and FCR showed high performance and supported the success of vannamei shrimp culture with intensive systems.
The Effect of Water Hyacinth Biomass (Eichornia crassipes) on the Concentration of Chlorophyll-a on Local Catfish (Clarias batrachus) Rearing Simatupang, Deni Efandry; Syafriadiman, Syafriadiman; Hasibuan, Saberina
Jurnal Perikanan dan Kelautan Vol. 28 No. 1 (2023): February
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

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

Abstract

Eichornia crassipes have root fibers that can repair water quality, improve the concentration of chlorophyll-a, increase growth, and maintain the survival of local catfish. The purpose of this study was to obtain the best biomass of water hyacinth for the increasing concentration of chlorophyll-a on local catfish rearing in August – September 2020. This study used a one-factor completely randomized design (CRD) with 4 treatments and 3 replication. The treatments in this study had different water hyacinth biomass, P0 (Control), P1 (112 g m-2), P2 (162 g m-2), and P3 (212 g m-2). The local catfish seeds that are used are sized approximately 5-7 cm, weigh 2.62-3.02 g, maintained for 30 days in a rearing container with a peat water volume of 98 L and a density of 2 fish L-1. The result showed that the best treatment was biomass 212 g m2 water hyacinth containing concentration chlorophyll-a 0.73 µg L-1 with the value of correlation concentration chlorophyll-a (r)=0.97 and R2=0.95, it was able to improve concentration chlorophyll-a on local catfish rearing such as increasing pH 5.7-6.0, nitrate 2.45 mg L-1, phosphate 2.09 mg L-1, temperature 27-280C and dissolved oxygen 5.4-5.5 mg L-1. Absolute weight growth (9.04g) with the value of correlation (r) = 0.99 and R2 = 0.99, and survival rate of local catfish (94.67%). The highest growth of the biomass water hyacinth per 3 days is 2.82%.
The Impact of Covid-19 on the Income of Fishermen Processing Anchovy (Stolephorus sp) in Hajoran Village, Pandan Subdistrict, Central Tapanuli Regency North Sumatra Province Pasaribu, Herpina; Warningsih, Trisla; AN, Darwis
Jurnal Perikanan dan Kelautan Vol. 28 No. 1 (2023): February
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

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

Abstract

The Covid-19 pandemic in Indonesia occurred in March 2019. The implementation of social and physical distancing has disrupted the economy, one of which is the fisheries sector. One example of the impact on the economic sector is the reduced income of fishermen's families, including anchovy processing fishermen in Hajoran Village. The purpose of this study was to analyze the impact of Covid-19 on anchovy income and marketing before and after the pandemic in Hajoran. This research was conducted from 21 June to 30 June 2022 in the Hajoran Village. The method used is a survey. Anchovy fishermen consist of 46 people. The research data were obtained through direct observation and documentary interviews. Based on the results of the analysis, it is known that both before and after the Covid-19 pandemic had an impact on the income of anchovy processing fishermen, where the average income before the pandemic was IDR 238,913 and after the pandemic was IDR 1,213,043. Apart from that, the Covid-19 pandemic also had an impact on the marketing of anchovies, where before the pandemic the price of anchovies was IDR 60,000/Kg while during the Covid-19 it was only IDR 30,000/kg.
Business Performance of Processed Amplang during the Covid-19 Pandemic in Sanga-Sanga District Haqiqiansyah, Gusti; Purnamasari, Elly; Sugiharto, Eko
Jurnal Perikanan dan Kelautan Vol. 28 No. 1 (2023): February
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

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

Abstract

The Covid-19 pandemic has had quite a broad impact on the community's economic sector. This condition is also felt by Micro, Small and Medium Enterprises (MSME), including business actors in the fisheries and marine sectors. The study activities were carried out for 3 months from July to September 2021. This research used survey methods and interviews with business actors. The data collected is in the form of primary and secondary data. The data obtained were analyzed by descriptive qualitative. From the results of the study it can be seen that processing business actors are quite feeling the impact of this covid-19. The results of the study in terms of sales turnover experienced a significant decline (between 40 – 60%). The sluggish consumer demand for amplang products is due to various reasons such as restrictions on people's mobility (PPKM) and declining people's purchasing power.
Analysis of Shoreline Changes Period 1991 – 2001 Pasumpahan Island, Padang, West Sumatera Sanora, Fifi; Rifardi, Rifardi; Elizal, Elizal
Jurnal Perikanan dan Kelautan Vol. 28 No. 1 (2023): February
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

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

Abstract

Pasumpahan Island is an area that is affected by currents, waves and sedimentation processes because it is directly adjacent to the Indian Ocean and the mouth of the Pisang River, this causes changes in the coastline in the form of abrasion and accretion on the island. This study aims to determine the effect of currents, waves, and sedimentation processes on the rate of change of the shoreline for 10 years (1991-2001) on Pasumpahan Island. This research was conducted in March 2022 on Pasumpahan Island, Padang City, West Sumatra Province. The method used is a survey method to obtain primary data including current speed, heightwaves and sediments. The study method used is a quantitative method with a multi-temporal satellite imagery approachusing the Digital Shoreline Analysis System (DSAS) software with the End Point Rate (EPR) approach. The results of the analysis of current velocity values ​​ranged from 0.21-0.28 m/s, wave heights ranged from 0.24-0.55 m, the average diameter of the sediment ranged from 0.83-1 Φ. The results of image data processing show that there has been a change in the shoreline in the form of low category abrasion (0.4 m/year), stable (1.42 m/year), and accretion (3.07 m/year) on Pasumpahan Island.
The Adaptive Capacity of Mangrove Ecosystem in the Sub-District Sungai Apit, Siak Regency, Riau Province Adriman, Adriman; prianto, Eko; Jhonnerie, Romie; Fajri, Nur El
Jurnal Perikanan dan Kelautan Vol. 28 No. 1 (2023): February
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

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

Abstract

This research was conducted for five months from May to September 2022 which is located in Sungai Apit District by taking six (6) villages as sampling locations from the eight (8) existing villages. This research was conducted for five months from May to September 2022 which is located in Sungai Apit District by taking six (6) villages as sampling locations from eight (8) existing villages. The research objective was to calculate and assess the adaptive capacity of mangrove ecosystems in Siak District, Siak Regency. Measurement of the adaptive capacity of mangrove ecosystems is carried out by analyzing six parameters, namely Mangrove Dimension Index (IDMg), Dominant Mangrove Species, Mangrove Tree Density, Number of Mangrove Species, Substrate Type, Ecosystem Distance from Settlement. The value of the adaptive capacity of mangrove ecosystems is in the range of 0.0-1.0, with five capacity categories namely "very low, low, medium, high, and very high". The results showed that the number of mangrove species found growing on the coast of Sungai Apit District was 19 species belonging to 10 families and 12 genera, distributed in the "low" category with a mangrove dimension index (IDMg) value of 0.6 (0.4<IDMg <0.8).Dominant species from the Rhizophoraceae family with a density classified as "high". The adaptive capacity of the mangrove ecosystem at the study site is classified as "high" with an adaptive capacity value of 0.67 (0.6 ≤ KPMg ≤ 0.8).

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