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Nur Arifin
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Gedung LPPM Universitas Riau, Kampus Bina Widya, Jl. H.R. Soebrantas Km 12.5, Panam. Pekanbaru, Riau - 28293. Indonesia
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Asian Journal of Aquatic Sciences
Published by Universitas Riau
ISSN : 2655366X     EISSN : 27164608     DOI : http://dx.doi.org/10.31258/ajoas
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Asian Journal Of Aquatic Sciences is a journal publishes scientific articles from research by lecturers and other researchers in the waters sector. Focusing on aspects of aquatic ecology for the use of this habitat as an ecosystem for producing food (fisheries and agriculture) and its function for the earth's ecosystem. Covers aspects of biology, physics and chemistry, both for freshwater (rivers, lakes, swamps, reservoirs), brackish waters (mangrove swamps, river estuaries) and marine waters (coastal and offshore seas).
Arjuna Subject : -
Articles 543 Documents
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POPULATION CONDITIONS OF ECHINOIDEA AND CORAL REEF COVERS IN PONCAN GODANG ISLAND, SIBOLGA, NORTH SUMATERA Adni, Nailul; Mulyadi, Aras; Thamrin, Thamrin
Asian Journal of Aquatic Sciences Vol. 4 No. 2 (2021): August
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Riau

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

Abstract

Poncan Godang Island is included in the appropriate category based on the suitability of land for the Sibolga tourist area, with the presence of tourism activities that can also affect the amount of biodiversity in it. Considering the importance of coral reefs for biodiversity and sea urchins which also have a role in coral reef ecosystems, it is necessary to conduct research on the condition of sea urchins population and the percentage of coral reefs on Poncan Godang Island. Sea urchin and coral reef data were collected using the Line Intercept Transect (LIT) method by monitoring directly on the transect line along 50 meters. The results obtained indicate that the population of sea urchins in the waters of Poncan Godang Island, North Sumatra can be described, that sea urchins do not affect the coral reef ecosystem because at stations 1 and 5 there is no sea urchin and the percentage of coral cover is classified as bad, but at station 3 there are 32 individuals with coral reef cover conditions, while at stations with The percentage of good coral cover is that at station 4 there are only 25 individuals, as well as at station 2 where the percentage of coral cover is higher than station 3 and there are no sea urchins.
Spirulina platensis GROWTH IN POLLUTED DOMESTIC WASTE WATER MEDIUM AND ITS UTILIZATION AS A RAW MATERIAL FOR BIOGAS PRODUCTION Sinaga, Rugun; Effendi, Irwan; Mubarak, Mubarak; Ambarsari, Hanies
Asian Journal of Aquatic Sciences Vol. 3 No. 1 (2020): April
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Riau

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

Abstract

This research was conducted in April - June 2019, located at the Center for Environmental Technology Laboratory (PTL) - Agency for the Assessment and Application of Technology (BPPT), Building 820 Geostech, Puspitek Serpong, South Tangerang. The purpose of this study was to determine the biogas production from S. platensis microalgae grown in polluted domestic waste media from Muara Angke waters with different concentrations. The method used in this study is an experimental method with a Completely Randomized Design (CRD) with 3 different treatments of S. platensis concentrations consisting of 5% v/v, 15% v/v and 25% v/v performed three repetitions with the addition cow manure substrate and control without the addition of cow manure substrate. The parameters observed were physical parameters, chemical parameters, biomass calculations and biogas volume measurements. Data were analyzed and tested statistically using Analysis Of Variance (ANOVA) and further tested using the LSD test to compare between treatments with a 95% confidence level. Biogas is energy that can be used as an alternative fuel to replace fossil fuels such as petroleum and natural gas. The results showed that S. platensis with the addition of cow dung could produce more biogas volume (4453.6 cm) than S. platensis without the addition of cow dung (697.19 cm). Biogas volume is measured using the gas holder method.
COASTAL VULNERABILITY ANALYSIS IN PADANG PARIAMAN REGENCY, WEST SUMATERA Ramadhan, Fauzi; Mubarak, Mubarak; Elizal, Elizal
Asian Journal of Aquatic Sciences Vol. 3 No. 1 (2020): April
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Riau

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

Abstract

This research was conducted in June to July 2019. It aimed to analyzed the vulnerability and the shoreline change of coastal area of Padang Pariaman Regency, West Sumatera Province. Survey method with direct field observations were applied and different satellite imageries were also used to find out the shoreline change of coast under study. The results showed that there five categories of changes, namely high and low accretion (>2.1 m yr-1; 1 - 2 m yr-1); stable condition (-1 to 1 m yr-1); and high and low erosion (<-2 m yr-1; -1 to -2 m yr-1). Furthermore, the percentages of coastal vulnerability of the areas under study can be classified into five categories such as Very Low Condition (17.27 %), Low Condition (39.68 %), Medium Condition (29.02 %), High Condition (8.88 %), and Very High Condition (5,75 %). In addition, the districts of Sungai Limau and Batang Gasan had very high vulnerability condition.
IDENTIFICATION OF COASTAL BIOTA MANGROVE EDUCATION CENTER (MEC) USING LINE TRANSECT METHOD CASE STUDY IN PANGKALAN JAMBI VILLAGE, BUKIT BATU DISTRICT, BENGKALIS REGENCY Bintang Rapshodio Tane; Aras Mulyadi; David M Haryanto
Asian Journal of Aquatic Sciences Vol 5 No 2 (2022): August 2022
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/ajoas.5.2.279-284

Abstract

The Mangrove Education Center is located in Pangkalan Jambi Village, Bukit Batu Sei District. Pakning Bengkalis Regency which has the potential to be developed into a mangrove ecotourism area, because almost along the coast is overgrown with mangrove ecosystems and has abundant biota. This study aims to identify the potential of biota using the transect method as a mangrove ecotourism area. Data collection was carried out from January to February 2022 in Pangkalan Jambi. The research method used is purposive sampling. The research area was taken as many as 3 stations. Data analysis is based on the number of biota found in each station. Parameter data for mangrove tourism suitability consists of biota objects. The results of the measurement of the suitability of mangrove tourism parameters are the number of biota at station I with 35, station II at 30 and station III at 38. Found 4 species of biota with others such as: fish, shrimp, crabs, mollusks, reptiles, birds, and other biota. The results of this study indicate that this mangrove forest spans an area of ​​3 hectares along the coastline of Pangkalan Jambi Village. the most influential for the sustainability of the mangrove ecosystem.
THE EFFECT OF DIFFERENT FEED ON THE GROWTH RATE OF Artemia salina Tampubolon, Kristanti; Effendi, Irwan; Tanjung, Afrizal
Asian Journal of Aquatic Sciences Vol. 3 No. 1 (2020): April
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Riau

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

Abstract

Artemia salina is a natural feed that is widely used in fish and shrimp hatcheries due to of its good nutritional content. This research was conducted in August 2019. This study aims to determine the effect of different types of feed on the growth rate of A. salina on a laboratory scale. The method used in this study was an experimental method that uses a completely randomized design (CRD) 1 factor with 3 level namely, cornstarch (A), wheat (B) and tapioca (C). Water parameters show that the conditions was in good condition with average temperatures ranging from 28.1 - 28.7 oC, the pH 8 and with a salinity of 60 ppt. Body length of A. salina ranged from 5.33 - 82.33 mm, where the body length in level A (cornstarch) was 82.33, level B (wheat) was 54.33, level C (tapioca) was 18, 67 and the control level is 5.33. The results of the ANOVA test for body length increase of A. salina showed p<0.05, that is 0.00. The survival rate of A. salina with different feed ranges from 0.5% - 88.50%, where the survival rate in level A (cornstarch) is 88.50%, level B (wheat) is 3.17%, level C (tapioca) is worth 51.50% and Control level is worth 0.5%. Survival rate in level A (cornstarch) is quite good. Based on ANOVA test, the survival rate between levels showed p<0.05, that is 0.00.
UTILIZATION OF MICROALGAE Scenedesmus vacuolatus AS A PHOSPHATE (PO43-) BIOREMEDIATOR IN DOMESTIC WASTEWATER Fathoni, Ahmad Yusron; Nursyirwani, Nursyirwani; Effendi, Irwan; Ambarsari, Hanies
Asian Journal of Aquatic Sciences Vol. 3 No. 1 (2020): April
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Riau

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

Abstract

This research was conducted in October 2019 to determine the effect of differences in the addition of KH2PO4 concentrations and the concentration of microalgae Scendesmus vacuolatus with experiment method. The results showed significant effect was found on differences in microalgae concentration and KH2PO4 concentration. KH2PO4 with the concentration of 8 ppm is the most influential on decreasing phosphate levels than KH2PO4 with 5 ppm. The highest samples in phosphate reduction were A2, B2 and C2 with different algal formulations and 8 ppm KH2PO4 concentration. Two-way ANOVA test showed sig. 0.000, Which was mean that there were significant effect to decrease levels of phosphate based on concentration. Post hoc DMRT which has a significantly different dominance value of KH2PO4 concentration results that A1, B1, C1 with A2, B2, C2 have significant differences in the decrease in phosphate levels due to differences in KH2PO4 levels.
SUSTAINABILITY STATUS OF MANAGEMENT TERUBUK FISH (Tenualosa macrura) IN BENGKALIS DISTRICT Rival Junaidi; Deni Efizon; Adriman Adriman
Asian Journal of Aquatic Sciences Vol 5 No 2 (2022): August 2022
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/ajoas.5.2.301-314

Abstract

This research was conducted from July to October 2021 in Bengkalis Regency. This research is focused on evaluating in detail the condition of the ultimate fisheries from the ecological, social, economic, and institutional aspects as well as scientific information for follow-up planning and implementation of the best fisheries management in the waters of the Bengkalis Strait. The research method used during the study was a survey method. Types and sources of data used in this study are primary data and secondary data. The number of key respondents used in this study were 30 people. Sustainable fisheries management is seen from five dimensions, namely the ecological dimension, the economic dimension, the social dimension, the technological dimension and the institutional dimension. The scores for each attribute were analyzed using the Rapfish technique and will be passed through several analyzes such as multi-dimensional scaling (MDS), leverage analysis (JackKnife), and Monte Carlo analysis. Based on the results of the study the results of the catch of the terubuk fish during the period June-September amounted to 160 fish. From this amount, it showed that the percentage of male fish caught was much more dominant, namely 110 fish (69%) than 50 female fish (31%). The results of the analysis of each dimension show that the ecological index (59.92%) is included in the moderately sustainable category, the economic dimension (52.94%) is included in the moderately sustainable category, the social dimension (50.54%) is included in the moderately sustainable category, the social dimension (50.54%) is included in the moderately sustainable category. Institutional (49.91%) is included in the sustainable category and the technological dimension (70.25%) indicates the category is quite sustainable. Thus, the design of the terubuk fish management in Bengkalis waters can use the dimensions of the attributes that are classified as quite sustainable, to support or improve the institutional dimensions in order to support the management of terubuk fish
HEMATOLOGY OF Osphronemus goramy FED CONTAINING FERMENTED TURI (Sesbania grandiflora) LEAF MEAL and CHALLENGED WITH Aeromonas hydrophila Wahyono, Hendri; Luksityowati, Iesje; Riauwaty, Morina
Asian Journal of Aquatic Sciences Vol. 6 No. 3 (2023): December
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Riau

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

Abstract

Turi leaf (Sesbania grandiflora) is a natural ingredient with antibacterial compounds. This research was conducted from April to June 2022 at the Fish Nutrition Laboratory and the Laboratory of Parasites and Fish Diseases, Faculty of Fisheries and Marine, Universitas Riau. This study aimed to obtain the best dose of fermented turi leaves in feed seen from hematology before and after the challenge test with A.hydrophila. The method used in this study is an experimental method using a one-factor Completely Randomised Design (CRD) with five treatment levels, namely Kn: (no treatment), Kp: (no cure and infected with A.hydrophila), P1: (fermented feed containing 15% turi leaves, 85% soy flour), P2: (30% turi leaves, 70% soy flour), and P3: (45% turi leaves, 55% soy flour). Fish were reared for 46 days. The challenge test was conducted on day 32 with A.hydrophila bacteria at a density of 108 CFU/mL, as much as 0.1 mL/head. The results showed that fermented feed contained 45% turi leaves and 55% soybeans (P3). Wheat flour obtained total erythrocytes 2.51x106 cells/mm3, hematocrit 40.33%, hemoglobin 10.40 g/dL, total leukocytes 10.13x104 cells/mm3, phagocytosis activity 21.13%, survival rate 90%, and absolute weight growth 9.52g. Water quality parameters were temperature ranging from 27-300C, pH 5.9-6.2, DO 5.5-5.9 mg/L, and NH3 0.015-0.017 m g/L. Based on the results of the study, it can be concluded that there is an effect of adding fermented turi leaves to feed on the hematology of gouramy before and after the A.hydrophila bacterial challenge test has a significant impact.
THE USE OF Kaempferia galanga AND Curcuma xanthorrhiza FERMENTED TO IMPROVE THE IMMUNITY OF Oreochromis niloticus AGAINST Streptococcosis Khairia, Khairia; Syawal, Henni; Luksityowati, Iesje; Riauwaty, Morina
Asian Journal of Aquatic Sciences Vol. 6 No. 3 (2023): December
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Riau

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

Abstract

Streptococcus agalactiae is a bacterium that causes streptococcosis, which attacks tilapia. This research was conducted from March to June 2022 at the Laboratory of Parasites and Fish Diseases, Faculty of Fisheries and Marine, University of Riau. This study aims to understand the best dose of fermented Kaempferia galanga and Curcuma xanthorrhiza, which are added to the feed to increase Oreochromis niloticus immunity. The method used was experimental with a completely randomized design (CRD) with five treatment levels and three replications. The treatments applied were Kn: Negative control (no treatment used), Kp: positive control (no treatment used and infected with S.agalactiae), P1 (100 mL/kg feed), P2 (125 mL/kg feed), P3 (100 mL/kg feed) and infected with S. agalactiae. The fish were contaminated on the 32nd day at a density of bacteria 108 CFU/mL of 0.1 mL/fish intramuscularly, and then the fish were reared up to the 46th day. The results showed that the fermented K.galanga and C.xanthorrhiza affected the haematology of O.niloticus. The best dose was in P3 with a dose of 150 ml/kg of feed which showed total erythrocytes of 2.01 x106 cells/mm3, hematocrit value of 27.33%, a hemoglobin level of 7.93 g/dL, total leukocytes of 6.59 x104 cells/mm3, lymphocytes 77.33%, monocytes 14.00%, neutrophils 8.67%, growth with a weight of 34.06 g, a length of 7.5 cm and a survival rate of 93.33%. Based on the data obtained, it can be concluded that fermented K.galanga and C.xanthorrhiza can increase the immunity of O.niloticus against Streptococcosis disease.
THE EFFECT OF SALINITY ON THE PHYSIOLOGICAL PERFORMANCE OF ASIAN REDTAIL CATFISH SEEDS (Hemibagrus nemurus) Putra, Mutlas Ade; Tang, Usman M; Syawal, Henni
Asian Journal of Aquatic Sciences Vol. 6 No. 3 (2023): December
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Riau

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

Abstract

This research was conducted 30 days from June to July 2022 at the Aquaculture Laboratory, Faculty of Fisheries and Marine Sciences, Universitas Riau, Pekanbaru. This study aimed to analyze the osmoregulation response of the Asian redtail catfish to different salinities and to obtain optimal salinity for good physiological performance for the Asian redtail catfish. The method used was an experimental method using a completely randomized design (CRD) with five treatments and four replications, namely, three ppt salinity treatment, six ppt salinity treatment, nine ppt salinity treatment, 12 ppt salinity treatment, and 15 ppt salinity treatment. The test fish used were Asian redtail catfish with an average size of 7.17±0.04 cm. Asian redtail catfish seeds were obtained from the Tibun Fish Seed Center, Kampar. The container used is an aquarium with a size of 60x40x40 cm. Research data shows that nine ppt salinity is the best for Asian redtail catfish osmoregulation of 0.5 mOsm/L H2O. The best cortisol hormone content is found at three ppt salinity, the lowest oxygen consumption is at three ppt salinity of 0.9 mgO2/g/hour, the best survival was found at three ppt salinity of 100%, and the growth in weight and length was in the three ppt treatment of 8.90 g and 2.04 cm. Water quality parameters include temperature 25-30oC and dissolved oxygen 5.04-8.04 ppm.

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