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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 28 Documents
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Search results for , issue "Vol. 5 No. 2 (2022): August" : 28 Documents clear
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.
MAPPING THE DISTRIBUTION OF MANGROVE BY REMOTE SENSING IN THE COASTAL OF KARAWANG REGENCY Pasaribu, Roberto Patar; Pranoto, Aris Kabul; Sewiko, Roni; 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.
THE EFFECT OF STOCKING DENSITY OF FRESHWATER LOBSTER (Cherax quadricarinatus) THE GROWTH OF GOURAMY (Osphronemus gouramy) IN POLYCULTURE SYSTEM Safitri, Anisa Dian; Mujtahidah, Tholibah; Sari, Novita
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

Polyculture is cultivation in one container that produces more than one species of fish simultaneously. The purpose of this study is to determine the effect on the growth of gouramy in polyculture system. This study uses an experimental method of Completely Randomized Design (CRD) 4 treatments and 4 repetitions that is P1 (15 species gouramy), P2 (10 species of limnetic lobster ad is species of gouramy), P3 (15 species of limnetic lobster and 15 species of gouramy), and P4 (20 species of limnetic and 15 species of gouramy). The data analysis used is analysis of variance (ANOVA) and Duncan’s Multiple Range Test (DMRT) for futher test, while the quality of water is analysed descriptively. The observation result show that different stocking density treatment affects absolute length growth of gouramy (O.gouramy). This is because the stocking density of limnetic lobster (C. quadricarinatus) is different for each treatment on gouramy (O. gouramy). The highest average result of measure ment of absolute weight growth is 1,45 ± 0,017 g. This is because the stocking density of limnetic lobster (C. quadricarinatus) at P2 is low. Low stocking density provides suitable space for gouramy to move and live. The maintenance of the polyculture system is better done with 10 species of limnetic lobster and 15 species gouramy because it makes the best absolute length and weight growth.
STAKEHOLDER AND INSTITUTIONAL ANALYSIS IN THE MANAGEMENT OF LUBUK LARANGAN TEPIAN LAMO DUSUN RANTAU PANDAN BUNGO REGENCY JAMBI PROVINCE Hertati, Rini
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

Lubuk larangan Tepian Lamo is located in Rantau Pandan Hamlet, Bungo Regency, Jambi Province. Formed in 2015 the formation was carried out in deliberation by the community, traditional leaders and the Livestock and Fishery Service of Bungo Regency, the management of Lubuk larangan was carried out based on the customary law of the local Hamlet. Monitoring of community participation is still relatively low, namely for thoughts 18.6%, property 15.5%, expertise 13.5% and personnel 20.3%. The high energy score is evidenced by the high participation of the community in carrying out mutual cooperation for opening, closing and mutual cooperation for repairing facilities and infrastructure in the Lubuk larangan area.
COMMUNITY STRUCTURE OF GASTROPODS IN THE COASTAL WATERS OF NORTH RUPAT DISTRICT Pertika, Dinda; Nasution, Syafruddin; Tanjung, Afrizal
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

Community structure is a concept that studies the composition or composition of species and abundance in a community. Coastal waters are areas with a depth of less than 200 meters and there is a littoral area located between the highest tide and the lowest low tide or called the intertidal area. One of the community of organisms in this intertidal area is gastropods. This research was conducted from December 2021 to January 2022. The purpose of the study was to determine the structure of the gastropod community in the coastal waters of North Rupat District consisting of species, density, diversity index, uniformity index, dominance index, distribution pattern, and community similarity. As supporting data in this study, several environmental parameters were also measured which included water quality, sediment type and sediment organic matter content. The research method used is a survey method, where sampling using the quadrant transect method is carried out at 3 stations. Based on the results of the study found 14 species of gastropods. The species that were found in all stations were Indothais gradata. Gastropod density is 15.800 ind/ha. Diversity index value (H') 1.85, uniformity index (E) 0.70, dominance index (C) 0.24, distribution pattern (Id) 3.24 is clustered, species similarity index (Ss) between stations Tanjung Medang and Teluk Rhu 83% of species are almost the same and between stations Tanjung Medang and Tanjung Punak 15% and between stations Teluk Rhu and Tanjung Punak 17% are not the same. Water quality parameters as follows: temperature 27-28oC; salinity 30-31 ppt; pH 6-7. Sediment organic matter 0.50-2.28%, sand sediment type.
ANALYSIS OF PRODUCTION AND INCOME OF CATFISH SALI BUSINESS IN KOTO MASJID VILLAGE, KAMPAR REGENCY RIAU PROVINCE Hendrik, Hendrik
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

Catfish is one of the freshwater fish commodities that has fast growth and has high economic value. This fish is consumed in both fresh and processed form, where one of the processed fish that is in high demand is catfish sali. This research was conducted in Koto Masjid Village in December 2021. The purpose of the study was to determine the production, income and profits of the catfish sale business. The method used in this study is a survey method, data analysis is carried out by analyzing income and profits. Respondents in the study were catfish sali entrepreneurs, catfish cultivators, traders and community members who helped the broiler business. The results showed that the production of catfish sali has increased every year where in 2020 it increased by 3.64% compared to the previous year and in 2021 it increased by 32.4%. This situation causes the income and profits received by the catfish sali entrepreneurs to continue to increase along with the increase in the amount of production. The increase in profits was due to the increasing number of production while production costs did not increase.
VARIABILITY ANALYSIS OF CHLOROPHYLL-A DISTRIBUTION ON THE COAST OF SOUTHWEST ACEH USING AQUA MODIS IMAGE Suriani, Mai; Rahmi, Mira Mauliza; Kusumawati, Ika; Islama, Dini; Dewinta, Astrid Fauzia; Heriansyah, Heriansyah
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

Chlorophyll-a has an important role in determining the trophic status and estimation of the fertility level of waters. The aim of this study was to analyze the variability of the concentration of chlorophyll-a on the coast of Southwest Aceh. This study uses remote sensing technology using Aqua MODIS imagery, the image used is an annual Level 3 Standard Mapped Image (SMI) chlorophyll-a image with a period of 7 years from 2015 to 2021 and has a spatial resolution of 4 km. The image is processed using software, namely SeaDAS and ArcMap. The results of this study showed that the distribution of the highest annual chlorophyll-a concentration was in 2019 at 0.29 – 2.27 mg/m3, and the lowest chlorophyll-a concentration was found in 2020 ranging from 0.29 – 1.02 mg/m3. The average concentration of chlorophyll-a in Southwest Aceh waters for 7 years (2015-2021) shows a low chlorophyll-a concentration ranging from 0.29 to 1.22 mg/m3 and belongs to oligotrophic and mesotrophic waters.
STUDY ON POTENTIAL FEASIBILITY OF AQUACULTURE LAND USING GEOGRAPHIC INFORMATION SYSTEM (GIS) IN NORTH SEMARANG SEA Adamimawar, Ceteria Nuchter Ikbar; Jailani, Abdul Qadir; Aji, Muhammad Tri
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

Marine culture in the North Semarang area is still not optimally utilized by the surrounding community. The selection of the location of aquaculture activities is needed to determine the feasibility of suitable land for aquaculture in the sea. However, due to the large number of fishing activities, ports, and dense settlements have an impact on water quality which affects marine aquaculture activities. The purpose of this study was to determine the condition of the waters, determine the level of land suitability using GIS, and the area of ​​land that can be used as a location for marine culture in the waters of North Semarang. The method used is by scoring and GIS. Parameters observed included protection, brightness, temperature, depth, current velocity, substrate, wave height, salinity, DO, BOD, COD, and pH. Furthermore, a scoring calculation is carried out to determine the suitability value which is then processed using GIS to produce a suitability map. The results showed that North Semarang waters were classified as S2 class (quite suitable) for marine aquaculture activities and with an area of ​​250,000 ha.
ANALYSIS OF COASTAL VULNERABILITY IN AGAM REGENCY, WEST SUMATRA PROVINCE Prayitno, Betari Erlinda; Mubarak, Mubarak; Galib, Musrifin
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

Natural factors such as geomorphology, waves, tides, coastal building materials, and altitude can have an impact on marine vulnerability. Coastal vulnerability is impacted by human activities such as logging of mangrove trees, tourism object activities, and manufacturing, in addition to natural influences. This study was carried out in February 2021. The goal of this study was to calculate the rate of change of the Agam Regency coastline from 2010 to 2020, as well as to map the level of vulnerability of the Agam Regency shore. According to the findings of the study. Pesisir Subdistrict, Agam Regency is classified into five levels of vulnerability, namely very not vulnerable, not vulnerable, moderate, vulnerable and very vulnerable. Very low to high levels of vulnerability can be found along the coast of Agam Regency. The annual accretion rate ranges from 0.12 to 15.98 m. The erosion rate ranges from 0.07 to 10.21 meters per year.
EFFECT OF CARROT FLOUR (Daucus carota) TO INCREASE GROWTH AND COLOR BRIGHTNESS IN LEMON CICHLID FISH (Labidochromis caeruleus) Octaviani, Dheamita Ayu; Armando, Eric; Jaelani, Abdul Qadir
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

Ornamental fish is one of the main merchandise from the fisheries sector whose ability can generate income for the state and create income that can help the community's economy, especially those who are engaged in fisheries or cultivators. The most effective and dominant type of carotenoids for coloring fish is carotenoids derived from carrot flour because it is a natural source of beta carotene which can improve the quality and color brightness of ornamental fish such as lemon fish. The research design used a completely randomized design (CRD) with four treatments (carrot flour 0%, 5%, 10% and 15%) and three replications. The feed was tested on lemon cichlid fish measuring 3.7 - 4 cm and weighing 0.8 - 1 g which were kept in a 10 L jar. Parameters observed were growth rate, absolute weight, absolute length growth rate, survival rate, water quality and color increase in lemon fish. The results showed that the addition of 15% carrot flour had an effect on the color 9% brightness of lemon fish (Labidochromis caeruleus). The results showed that the addition of carrot flour for growth and color improvement was in the 15% carrot flour treatment, the absolute weight growth value was 0.73 g/fish, length 0.56 cm/fish, survival rate was 96.6%. The addition of carrot flour to the growth and color improvement can be concluded that a dose of 15% affects growth and can increase the color of lemon fish.

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