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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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INDONESIA
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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ANALYSIS OF PLANNING STUDY AND DEVELOPMENT OF INDIVIDUAL TRANSFERABLE QUOTA SYSTEM (ITQ) IN REALIZING QUOTA-BASED SUSTAINABLE FISHERIES Ramadian, Afzil; Sutyawan, Fery; Sara, La
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

Fish exploitation in Indonesia is already at a very alarming level. Catching at full capacity and even excess occurs in almost all fisheries management areas. One of the foreign government's efforts to overcome similar problems is by conducting ITQ. This research approach uses qualitative descriptive qualitative specifications. Data analysis techniques miles and huberman data triangulation: reduction, data presentation, verification carried out to find out the analysis of planning studies and the development of the Individual Transferable Quota (ITQ) system in realizing quota-based sustainable fisheries. This activity was carried out in collaboration with the grow fisheries training program and the university of Akureyri. The training was held from 19 - 28 May 2022 at the Marine and Freshwater Research Institute building and the University of Akureyri. The conclusion of this study is that the condition of the Indonesian seas, which is starting to deteriorate due to excessive and illegal fishing, requires firm action. It is hoped that the ITQ system can be implemented in Indonesia. So that when fishing is not done excessively.
ANALYSIS OF MICROPLASTIC CONTENT IN LOKAN (Geloina erosa) IN NORTH BEACH WATERS OF BENGKALIS ISLAND, RIAU PROVINCE Sari, Nian; Amin, Bintal; Yoswaty, Dessy
Asian Journal of Aquatic Sciences Vol. 4 No. 1 (2021): April
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Riau

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

Abstract

The coastal waters of Pulau Bengkalis are located in the Malacca Strait and it is suspected that some of the people around the area throw away garbage and end up at sea, especially plastic waste. This research was conducted in July 2020 in the northern coastal waters of Bengkalis Island, Bengkalis Regency. The aim of this study was to analyze the type, abundance and relationship of abundance with microplastic size in Lokan soft tissue. This study uses a survey method. Data collection is primary data, data obtained during the study is presented in tables and graphs, then analyzed statistically. The results showed 3 types of microplastics, namely fibre, film and fragments. The total abundance of microplastics at station 1 was 13.199 particles/g and the total abundance at station 2 was 13.583 particles / g. The total abundance of microplastics at the large size was 8.942 particles/g and the total abundance was higher at the small size, namely 15.774 particles/g. The results of the regression test showed that the abundance of microplastics had a weak relationship with the weight and length of the fish with a correlation coefficient between 0.21-0.40.
TOTAL OIL CONTENT AND EPIPHYTIC DIATOM DENSITY IN SEAGRASS LEAVES Enhalus acoroides AT PANDARATAN BEACH TAPANULI TENGAH REGENCY NORTH SUMATERA PROVINCE Puspita, Sarah; Siregar, Sofyan Husein; Nedi, Syahril
Asian Journal of Aquatic Sciences Vol. 4 No. 1 (2021): April
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Riau

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

Abstract

The aimed of this study was to determine the total oil content at Pandaratan Beach, determine epiphytic diatoms density in seagrass leaves Enhalus acoroides at Pandaratan Beach, and determined the relationship between total oil content and epiphytic diatoms density in seagrass leaves E. acoroides at Pandaratan Beach. Based on the results of research conducted, the highest total oil content is in the area around the sea transportation route, namely 0.25 ppm and the lowest total oil content is in areas far from human activity, namely 0.16 ppm. The highest epiphytic diatoms density found in areas far from human activities, namely 932.21 Ind/cm2 and the lowest epiphytic diatoms density found in the area around the sea transportation lines, namely 663.41 Ind/cm2.The relationship between total oil content and epiphytic diatoms density at Pandaratan Beach, Tapanuli Tengah Regency, North Sumatra Province has a very weak relationship (r = 0.03).
CONCENTRATION OF WATER POLLUTION INDICATORS BACTERIA IN SIRIH PADANG SUMATERA BARAT Ferdana, Gilang; Nursyirwani, Nursyirwani; Amin, Bintal
Asian Journal of Aquatic Sciences Vol. 4 No. 1 (2021): 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 in the waters of Sirih Bay Padang, West Sumatra Province. The objective of this research aimed was to determine the number of bacterial cells as an indicator of water pollution (total coliform and Escherichia coli) in the waters of Sirih Bay, Padang. The method used in this study was a survey method. Polluted waters in Sirih Bay as sampling location was divided into 3 stations, namely the PLTU area (St. I), near BPBALP Padang (St. II) and a residential area (St. III). Isolation of total coliform and fecal coliform bacteria was carried out by assumption and affirmation tests which were further identified and carried out physiological and biochemical properties. The results showed the total number of coliforms in Sirih Bay waters in the assertion test using BGLB media ranged from 75-460 MPN/ml. This indicates the existence of pollution of coliform bacteria in these waters based on the Decree of the State Minister of Environment No. 51 of 2004 concerning Sea Water Quality Standards, the maximum level of total coliform bacteria is 1000 MPN / 100 ml. The results of this study indicated that the waters of Sirih Bay are considered to be in poor condition
THE EFFECT OF THE DISTRIBUTION OF SEA SURFACE TEMPERATURE IN THE INDIAN OCEAN SOUTH OF JAVA ON THE CATCH OF YELLOWFIN TUNA (Thunnus albacares) USING AQUA MODIS SATELLITE IMAGERY Putra, Yudha Erlangga; Syarifuddin, Hutwan; Sumadja, Wiwaha Anas
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

Tuna (Thunnus sp.) is the second largest foreign exchange earner after shrimp. One type of tuna which is an export commodity is yellowfin tuna (Thunnus albacares). Research on the effect of the distribution of sea surface temperature in the Indian Ocean south of Java on the catch of yellowfin tuna (Thunnus albacares) has been carried out at the Nizam Zachman Ocean Fishery Port (PPS) from April 8 to April 30, 2021. This study aims to determine the effect of sea surface temperature (SST) on the catch of yellowfin tuna. The research method used was the method of observation and analysis of satellite imagery. Coordinate data and the number of catches were obtained from the Ocean Fishery Port Logbook (PPS) Nizam Zachman. SPL data obtained from satellite imagery Modis Aqua Level 3. The data was obtained and then analyzed using a simple regression test and the F test results of regression analysis showed that the correlation coefficient (R) of 12.7% and the coefficient of determination (R2) of 1,6% means that 1.6% of yellowfin tuna catches are influenced by SST and 98.4% is influenced by other factors. The F test results show that the SPL significance value is 0.332. The conclusion is that changes in SST have no significant effect on the catch of yellowfin tuna.
OPTIMIZATION THE GROWTH OF PROTEOLYTIC BACTERIA Bacillus toyonensis AT DIFFERENT SALINITY AND CONCENTRATION OF TOFU WASTEWATER Oktavia, Dewi Asmiati; Nursyirwani, Nursyirwani; Yoswaty, Dessy
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

Proteolythic bacteria, including Bacillus toyonensis, have potencial to be used in feed industry and in processing of industrial waste. Cultivation of this bacteria requires appropriate enviromental condition and substrate for the growth. The objective of this research was to observe the growth of B. toyonensis at different salinity and tofu wastewater concentration. This experimental research used completely randomized design consisted of two factors. Those were salinity (0‰, 15‰, dan 30‰) and different concentrations of tofu wastewater (8%, 10%, and 12%). Bacterial cell growth was observed by the spectrophotometric method and total plate count (TPC) method. The bacterial cell growth was observed at 0, 24, 48, 72 and 96 hours-incubation. The results indicated that the best medium for the growth B. toyonensis was in tofu wastewater concentration of 12% at salinity of 15‰. The optimum growth occurred at 48 hours-incubation.
DRY SYSTEM LIVE FISH TRANSPORT SIMULATION TEST IN BEONG FISH (Hemibagrus nemurus) USING PLANTAIN STEM LIVER EXTRACT (Musa paradisiaca) WITH THE DIFFERENT DOSE Wulandari, Vidya Setianti; Jailani, Abdul Qadir; Sari, Annisa 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

Asian Redtail Catfish (Hemibagrus nemurus) is one of the freshwater fish commodities that lives on several rivers in Indonesia. Unavailability of Asian Redtail Catfish throughout Indonesia causing the provider area to become a target market for distributing Asian Redtail Catfish. This study aims to find out the effect of administering the optimal anesthetic dose of banana stem liver extract for anesthesia and the survival rate of Asian Redtail Catfish in dry system transportation testing. The research method used is the complete random design method (RAL) 3 treatments and 3 repetitions, where P1 (dose 1%), P2 (dose 2%), and P3 (dose 3%). The results showed that a dose of 1% banana stem liver extract gave the best results in the dry system transportation test process with a duration of 76 minutes 35 seconds, a conscious recovery duration of 7 minutes 1 second, and a survival rate. Survival rate Asian Redtail Catfish amounted to 94.43% of the total sample. This proves that the anesthesia of banana stem liver extract affects the survival rate of Asian Redtail Catfish with an optimum dose of 1% and further research is needed on dosing and the correlation between samples and variables.
DECOMPOSITION RATE OF LITTERFALL MANGROVE Rhizophora sp. AT SUNGAI BERSEJARAH MANGROVE AREA, KAYU ARA PERMAI VILLAGE, SUNGAI APIT DISTRICT, SIAK REGENCY, RIAU PROVINCE Hersa, Tania; Efriyeldi, Efriyeldi; Amin, Bintal
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

This research was carried out in February 2021 in the Historic River Mangrove Tourism Area, Kayu Ara Permai Village, Sungai Apit District, Siak Regency, Riau Province. This study aims to analyze the rate of decomposition of inter mangrove litter. The method used in this study is a survey method and the determination of the sampling location by purposive sampling. The rate of decomposition of mangrove leaf litter was carried out by placing 10 g of litter in a litter bag on the mangrove forest floor in three zones for 4 weeks and taken every week as a sample. The results showed that the water quality, namely the temperature ranged from 28-30°C, salinity 30-31‰, and pH 6.1-6.4. The results of the calculation of the rate of decomposition of mangrove leaves obtained an average of 0.25–0.11 g/day. The results of the Anova test showed that the rate of decomposition of mangrove leaf litter was higher in zone 1, which is relatively always inundated by tides and is affected by sea waves.
THE RELATIONSHIP BETWEEN MANGROVE DENSITY AND SEDIMENTATION RATE IN COASTAL KUALA JAMBI DISTRICT TANJUNG JABUNG TIMUR JAMBI PROVINCE Chaniago, Rizki; Samiaji, Joko; Wibowo, Muhammad Arief
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 carried out from March to April 2021 in the coastal area of ​​Kuala Jambi District, Tanjung Jabung Timur Regency, Jambi Province. The samples were processed at the Marine Biology and Marine Chemistry Laboratory, Faculty of Fisheries and Marine, Universitas Riau, which aims to examine the density of mangroves, analyze the sedimentation rate, and know the relationship between mangrove density and sedimentation rate. A survey method was used in this study. The results showed that the dominant mangrove species in the coastal waters of Kuala Jambi was Sonneratia alba with an Important Index Value (INP) of 103.5%. Mangrove density in the coastal waters of Kuala Jambi was included in good criteria with moderate and very dense mangrove cover. The bottom sediment of the coastal waters of Kuala Jambi was dominated by the type of sandy mud with a percentage of 42.23 - 55.63%. The value of the sedimentation rate in the coastal waters of Kuala Jambi at station I ranged from 94.401 to 141.602 mm/year. At station II, the sedimentation rate was between 98.692 and 168.778 mm/year, while at station III the sedimentation rate was from 100.122 to 145.893 mm/year. Mangrove density had a very close relationship with the sedimentation rate, where the higher the mangrove density, was followed by the higher the sedimentation rate.
ECONOMIC VALUATION OF THE MANGROVE ECOSYSTEM IN RAWA MEKAR JAYA VILLAGE, SUNGAI APIT DISTRICT, SIAK REGENCY Saprianto, Saprianto; Warningsih, Trisla; Bathara, Lamun
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

This study aims to describe the characteristics of the mangrove forest ecosystem and analyze the direct benefits of the mangrove ecosystem in Rawa Mekar Jaya Village, Sungai Apit District, Siak Regency. The method used in this study is a survey method, namely by conducting field observations and direct interviews with respondents, where the sampling technique found uses Non-Probability techniques or is determined by the researchers themselves or according to expert considerations with a total of 42 respondents. This shows that the tree-level mangrove community structure in the mangrove area, namely Rhizophora apiculata is the dominant tree species with a tree density of 30,617.2 trees/ha, then Rhizophora stylosa 9,629.63 trees/ha, Avicennia alba 8,333.33 trees/ha, and Ceriops tagal 777.78 trees/ha. Furthermore, a number of villagers from Rawa Mekar Jaya have made direct use of mangroves in the form of fish for Rp. 402,000,000/year, catching shrimp for around Rp. 21,600,000/year and taking honey for Rp. 28,800,000/year. The total economic gain of IDR 4.345,000,000/year shows that mangrove extension is very important for the people of Rawa Mekar Jaya village, both direct and indirect benefits.

Page 24 of 55 | Total Record : 543

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