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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 524 Documents
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EDUCATION TO INCREASE AWARENESS OF FISHERMEN’S SAFETY AND SECURITY THROUGH CERTIFICATION IN ORDER TO INCREASE HUMAN DEVELOPMENT INDEX IN CENTRAL JAVA: LITERATURE STUDY Almuzani, Nafi; Purnomo, Teguh
Asian Journal of Aquatic Sciences Vol. 5 No. 1 (2022): April
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Riau

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

Abstract

Fisherman is someone who works to do fishing activities in the sea with the aim of some or all of the proceeds sold. Fishermen have a high risk to their work, therefore the importance of safety and security culture in fishermen and the environment is very important to develop. The certification to fishermen through education and training of Basic Safety Training Motor Sailboats is an effort to improve the development of educational and economic aspects. In the aspect of education, certification will provide education to the community especially fishermen about the importance of safety and security while in the economic aspect is improving welfare and job search opportunities through certification in the community. The results of support for the development of the education sector and the economy are expected to increase the number of human development indexes, especially in central Java. Observations are carried out based on literature studies and then an approach to the implementation provided is through the implementation of community empowerment training programs. The human development index in Central Java Province which has increased by 0.20% in 2020 is expected to continue to increase, therefore observations are carried out in an effort to find out what things can support the sustainability of increased development, especially in economic aspects and education in the maritime field.
HEMATOLOGIC ANALYSIS OF TILAPIA (Oreochromis niloticus) ON ECTOPARASITE INFECTION OF THE FLOATING NET CAGES IN RAWA PENING Ambarwati, Ninik; Hidayati, Sri; Mujthidah, Tholibah
Asian Journal of Aquatic Sciences Vol. 5 No. 1 (2022): April
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Riau

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

Abstract

Hematologic analysis of plasma proteins by testing for hemoglobin, erythrocytes, and leukocytes against ectoparasite infection in cages was carried out by taking samples of fish with consumption sizes of 15-20 cm. The aim of this study was to find out the amount of exposure to ectoparasites internally in the body of tilapia based on blood protein hematology test. Analysis of the data used is analysis of variance (ANOVA) with the aim of knowing the effect of sampling and the parameters tested. The results showed that the presence of infection identified normal hemoglobin levels of 7.438 g/dL, erythrocytes were quite low at 1.5605 x1012/L, this is the nutritional factor given to tilapia and leukocytes were still in normal condition, namely 61.985x109/L. The ectoparasites found were Streptococcus sp, Lernea sp, Aeromonas sp, and Trichodina sp. The effect of the value of plasma protein content in blood for hemoglobin and leukocytes is still in normal condition, but erythrocytes are below the normal point so that from internal factors of tilapia disease, hematological blood plasma protein affects tilapia disease, especially on erythrocyte variables that affect fish anemia to mass death. This is in accordance with the situation in the field where tilapia in the KJA (Floating Net Cage) experienced sudden and mass death in a short period of time even though previously routine controls had been carried out by cage cultivators. When fish experience stress, fish blood glucose levels will increase while fish blood plasma total protein levels decrease.
THE APPLIED OF ARABICA COFFEE (Coffea arabica) AS A MARINATING ADDITIVE FOR ORGANOLEPTIC CHARACTERISTICS OF CATFISH FILETS (Pangasius sp.) Oktarahdiana, Dwi; Pratama, Rusky Intan; Rostika, Rita; Rostini, Iis
Asian Journal of Aquatic Sciences Vol. 5 No. 1 (2022): April
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Riau

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

Abstract

Research on catfish filet marinade using Arabica coffee aimed to determine the best concentration of coffee was acceptable to the panelists. This research was carried out in July 2021 at the Fishery Products Processing Laboratory, FPIK Unpad. The method used in this research was an experimental method with four treatments adding different concentrations of coffee to the catfish filets, namely 0%, 5%, 10%, and 15%. The parameters observed consisted of organoleptic tests which included appearance, aroma, texture, and taste. The results of the research showed that the catfish filet which was marinated using Arabica coffee belonged to the category favored by the panelists. The treatment with 15% coffee concentration was preferred with a median value of appearance 7 (preferred), aroma 7, texture 7, and taste 7. Based on the Bayes method for decision making, that the panelists chose taste as an important parameter in receiving the catfish filet which was marinated using coffee, followed by aroma, texture, and appearance.
GILL, KIDNEY, INTESTINE, AND LIVER STRUCTURES OF Pangasianodon hypophthalmus REARED UNDER BIOFLOC SYSTEM AND PHOTOPERIOD MANIPULATION Pardede, Alfred Nobel; Windarti, Windarti; Efawani, Efawani
Asian Journal of Aquatic Sciences Vol. 5 No. 1 (2022): April
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Riau

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

Abstract

Pangasianodon hypophthalmus is a freshwater fish that can grow well in dark condition. In no light condition, fishes are more responsive to feed provided. However, phytoplankton may not grow well, and as a consequence the water quality was poor and it negatively effects the fish health in general. The combination of biofloc and photoperiod manipulation systems is expected to improve the water quality as well as the fish health. To understand health status of the fish in general, the histological structure gill, kidney and liver was investigated. Sample were fixed in 5% formalin, paraffin processed and Haematoxylin Eosin stained. There were 2 factor, 3 treatment applied, namely natural (control), 18G (18 hours dark), 24G (24 hours dark) and 3 repetition. Parameter measured were survival rate and histological structure of gill, kidney, intestine and liver. Results shown that there are not difference of histological structure of the organs of fish reared under biofloc and manipulated photoperiod systems. There were light abnormalities in the gill, such as hyperplasia, hypertrophy, oedema and necrosis. There is no negative effect of biofloc system and photoperiod manipulation in structure of fish organ as there is only light abnormalities that can be cured when the water quality is good.
EFFECTS OF BIOFLOC AND PHOTOPERIOD MANIPULATION COMBINATION ON BLOOD STRUCTURE OF Pangasianodon hypophthalmus Surbakti, Yuli Anggreani Putri Br; Windarti, Windarti; Eddiwan, Eddiwan
Asian Journal of Aquatic Sciences Vol. 5 No. 1 (2022): April
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Riau

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

Abstract

Pangasianodon hypopthalmus can be reared under biofloc system and short photoperiod. To understand the effect of biofloc system and photoperiod manipulation to wards blood structure of P. hypopthalmus a study was conducted on September to December 2020. This experiment using a factorial CRD design with 2 level for B factor (biofloc and no biofloc), 3 level for P factor (Natural, 18 hours dark, 24 hours dark), 3 repetition. The fish was reared in 110L tank, 30 fishes/tank, fed with fish pellet (FF-999, Provit 781-1 and Provit 781-2). Parameters measured were the number of erythrocytes, leukocytes, the level of hematocrit and leukocrite and leukocyte types. The blood was collected using syringe wetted with EDTA 10%. The number of blood cells was calculated using haemocytometer, while the white blood cells were stained using Giemsa solution and checked under a binocular microscope. Results shown that there is no different blood structure in fish of all treatments. Total erythrocytes are 1,681,111-2,647,777 cell/mm3, total leukocytes are 55.031-55.655 cell/mm3, hematocrit 20.33-38.11% and leukocrite 20.33-38.11%. White corpuscle are basophil 00-3.89%, eosinophils 0-3.67%, lymphocytes 26.67-73.89%, trombosit 1-48.89%, monocytes 13.33-30.22% and neutrophill 0.00-9.22%. Based on data obtained, it can be concluded that the biofloc system and photoperiod manipulation combination do not negatively affects the fish hematology.
GROWTH RATE OF Nannochloropsis sp ACCORDING TO ADDITING CONCENTRATION OF ZINC (Zn) AND COOPER (Cu) Sagala, Herlina Meria Uli; Pattirane, Chrisoetanto P; Sewiko, Roni; Wulandari, Ully; Sulistyowati, Beta Indi
Asian Journal of Aquatic Sciences Vol. 5 No. 3 (2022): December
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Riau

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

Abstract

Zinc and copper are micronutrients that are the factors that support microalgae growth rate besides macronutrients, CO2, temperature, salinity, and pH. Growth of Nannochlopsis sp was observed to determine the influence of the addition of Zn and Cu concentration. Microalgae cultivation was located outdoors on the semi-mass scale using 800 L medium on mesophilic condition in 3 treatments with the addition of 1 ppm, 3 ppm, and 5 ppm concentrations of Zn and Cu metals. Cells density was calculated using a hemocytometer, and the absorbed metal content was measured by AAS. The study aimed to test the growth response of Nannochloropsis sp cells to Zn and Cu metals. The growth rate of microalgae was observed for the addition of Zn and Cu concentration in the cultivation medium. The result showed the highest Nannochloropsis sp growth rate for Zn addition was 0.053/day and for Cu addition was 0.279/day. Between Zn and Cu addition, the highest growth rate was observed in the addition of 1 ppm Cu metal (Cu1) which was equal to 0.279/day. This shows that adding micronutrients are not automatically will increase the growth rate of microalgae as well.
CORRELATION BETWEEN THE AMOUNT OF ORGANIC MATTER AND THE ABUNDANCE OF MACROZOOBENTHOS IN THE COASTAL WATERS OF DUMAI CITY Octalina, Fazrianty; Badrun, Yeeri; Retnawaty, Sri Fitria
Asian Journal of Aquatic Sciences Vol. 6 No. 1 (2023): 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 March 2022 in the Coastal Waters of Dumai City. Thisstudy aims to analyze the amount of organic matter and the abundance of macrozoobenthosand the relationship between the amount of organic matter and the abundance ofmacrozoobenthos. The method used is a survey method consisting of 10 stations with 2replications at each station. And 1 station is a control station located on the north coast ofNorth Rupat District, Bengkalis Regency. Sediment sampling was carried out in the field andthen taken to the Marine Chemistry Laboratory, Riau University for analysis of organic matterand macrozoobenthos analysis. Based on a simple linear regression test, the relationshipbetween the amount of organic matter and the abundance of macrozoobenthos obtained acorrelation value (r) = -0. 4637 with the mathematical equation y = -4.884x + 98.896. The testresults show a weak and inverse relationship between the amount of organic matter and theabundance of macrozoobenthos. This means that with the increase in the amount of organicmatter, the abundance of macrozoobenthos in the coastal waters of Dumai City will decrease.The value of the coefficient of determination (R2) is 0.2146. This figure shows that the effectof organic matter on the abundance of macrozoobenthos is small, namely 21.46%.
FACTORS AFFECTING CATCH RESULT MOTOR BOAT FISHERMAN IN MEUKEK DISTRICT SOUTH ACEH DISTRICT Yusadi, Ratna; Thahir, Muhammad Agam
Asian Journal of Aquatic Sciences Vol. 5 No. 2 (2022): August
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Riau

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

Abstract

Meukek sub-district is one of communities located is south Aceh regency, which is located on the coast of the indian ocean because of the great potential and marine fisheries, so many people work as capture fisheries fishermen. The purpose of this research was to analyze the factors that influence of motorboat fishermen catch in meukek regenty. The research method was a quantitative descriptive with a survey approach. Total of samples was 34 respondents. The data analysis used was multiple linear regretion analysis. The result was factor of working capital (X1), labor (X2), fishing times (X3) and mileage (X4) has simultaneously significantly affected of the catches partially, only factor of labor (X2), mileage (X4) has significantly affected of the catchs, while factors of working capital (X1) and fishing times (X2) has not significantly effected of the catchs.
THE USE OF DRONE AND VISIBLE ATMOSPHERICALLY RESISTANT INDEX (VARI) ALGORITHM IMPLEMENTATION IN MANGROVE ECOSYSTEM HEALTH’S MONITORING Sewiko, Roni; Sagala, Herlina Adelina Meria Uli
Asian Journal of Aquatic Sciences Vol. 5 No. 3 (2022): December
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Riau

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

Abstract

Operational limitations are the main problem in monitoring 3.31 million hectares of mangrove forest areas throughout Indonesia. However, with the disruption of technology, there are currently many approaches and methods that can be adapted to answer these problems. One of them is drone technology. This technology can be utilized in high-resolution rapid mapping for limited areas. The output from the data acquired by the drone can be analyzed for various purposes, including assessing the health condition of the vegetation. In this study, the results of the acquisition of unmanned aircraft on mangrove vegetation are used to determine the health level of vegetation in mangrove conservation areas. The research was conducted on 46 hectares of mangrove conservation area. The acquisition process was divided into four flying missions with a flight height of 150 m, 80% patching, and using the Hasselblad L1D-20c camera with a 1-inch sensor. The acquisition results are processed using the online photogrammetry method through the cloud-based photogrammetry service from DroneDeploy. Processing uses standard mode, where this mode is designed to produce good image quality with a relatively fast processing time. The acquisition results of 1614 photos were 100% successfully aligned, with 3.50 cm/px GSD resolution. Based on the application of the VARI algorithm to the resulting orthophoto, it is known that 30.2692% of the AOI is an area and/or dead or non-vegetated vegetation. Then 59.3887% is vegetation in an unhealthy condition, 10.3405% is considered as vegetation in healthy condition, and 0.0015% is vegetation in very healthy condition.
MAPPING THE DISTRIBUTION OF MANGROVE BY REMOTE SENSING IN THE COASTAL OF KARAWANG REGENCY Pasaribu, Roberto Patar; Pranoto, Aris Kabul; Afwafiah, Elfa
Asian Journal of Aquatic Sciences Vol. 5 No. 2 (2022): August
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Riau

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

Abstract

Mangrove forest areas are generally found throughout the coast of Indonesia and grow in locations that have a tidal influence. At this time the condition of mangroves both qualitatively and quantitatively continues to decline from year to year. The decline in the quality of mangroves is a serious concern along with the shrinking of its area. The purpose of this study was to determine the condition and extent of mangrove distribution on the coast of Karawang Regency. The research was carried out on the coast of Karawang Regency from March to June 2021. The research method was carried out by survey methods and satellite data collection, to obtain field condition data and Landsat 8 satellite imagery data. Image data processing and analysis was carried out using the NDVI (Normalized Difference Vegetation Index) method which can create a boundary between mangrove and non-mangrove. With this method, it can be seen the changes in the mangrove distribution area from year to year. The results of data processing and analysis show that in 2013 the distribution of mangroves on the coast of Karawang Regency has an area of ​​207.88 km2, in 2016 it has an area of ​​357.22 km2 and in 2020 its area is 237.61 km2.

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