cover
Contact Name
Nur Arifin
Contact Email
arifinik013@gmail.com
Phone
+6282381530516
Journal Mail Official
ajoas@ejournal.unri.ac.id
Editorial Address
Gedung LPPM Universitas Riau, Kampus Bina Widya, Jl. H.R. Soebrantas Km 12.5, Panam. Pekanbaru, Riau - 28293. Indonesia
Location
Kota pekanbaru,
Riau
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,
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).
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Articles 10 Documents
Search results for , issue "Vol 4 No 3 (2021): December" : 10 Documents clear
ACUTE TOXICITY WATER EXTRACT OF Meretrix meretrix Linnaeus IN VIVO ON SPRAGUE DAWLEY RATS Apriandi, Azwin; Tarman, Kustiariyah; Sugita, Purwantiningsih
Asian Journal of Aquatic Sciences Vol 4 No 3 (2021): December
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/ajoas.4.3.171-177

Abstract

Meretrix meretrix empirically has been widely believed by the public to a wide variety of health benefits. It is necessary to do an analysis of the level of toxicity of Meretrix meretrix extract. The experiment was carried out extraction sample with water (1;4) (w/v), analysis of acute toxicity Meretrix meretrix extract with the OECD method 403:2009. Based on the results of water extract of Meretrix meretrix no effect on physical observations of test animals with LD50> 15 g/kg BW. Histopathological observation on the liver and kidneys, there is necrosis of the liver cells and some cell degeneration in the kidneys, but on the whole network under normal conditions appropriate control group
INVENTORY OF SEA CUCUMBER SPECIES (Holothuroidea) IN THE WATERS OF PANDARATAN BEACH SARUDIK DISTRICT, CENTRAL TAPANULI REGENCY, NORTH SUMATRA Panggabean, Iis Apriati; Samiaji, Joko; Efriyeldi, Efriyeldi
Asian Journal of Aquatic Sciences Vol 4 No 3 (2021): December
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/ajoas.4.3.178-184

Abstract

Pandaratan Beach is one of the beaches located in Central Tapanuli Regency, North Sumatra. Pandaratan Beach has a diverse potential of biological resources namely mangrove ecosystems, seagrass ecosystems, and coral reef ecosystems. Sea cucumbers are among the potentials in the beach. This research was conducted in February 2021. The purpose of this study is to find out the type, abundance and diversity of sea cucumbers in the waters of Pandaratan Beach. The method used was the survey and for the determination of the observation location was determined by purposive sampling. The results showed that 1 genera and 3 species of sea cucunbers were found, namely Holothuria scabra, Holothuria atra, and Holothuria leucospilota. The abundance of sea cucumbers ranged from 444 – 800 ind/ha. The highest relative abundance was found in the found in the species of Holothuria leucospilota at station I with a percentage of 66.67%. The sea cucumber diversity index ranged from 0.6515 - 1.1955.
STRUCTURE OF THE BENTHIC EPIFAUNA COMMUNITY IN MANGROVE ECOTOURISM AREA IN PANGKALAN JAMBI VILLAGE, BUKIT BATU DISTRICT, BENGKALIS REGENCY Arniati, Dina; Efriyeldi, Efriyeldi; Mubarak, Mubarak
Asian Journal of Aquatic Sciences Vol 4 No 3 (2021): December
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/ajoas.4.3.185-190

Abstract

Benthic epifauna are animals that generally live in coastal waters such as sandy/muddy beaches, coral reef ecosystems and mangrove ecosystems. The purpose of this study was to analyze the structure of the benthic epifauna community in Mangrove ecotourism, Pangkalan Jambi Village, Bukit Batu District, Bengkalis Regency. This study uses a survey method. Epifauna community structure parameters taken include species, abundance, diversity, uniformity, and dominance. The environmental parameters measured included water quality, substrate type and total organic matter content of the sediment. The number of species found was 9 species from 2 classes, namely Gastropods and Malacostraca with the most dominant species found, namely the benthic epifauna species Cerithidea quadrata. The highest abundance of benthic epifauna species Cerithidia quadrata was 1.04 Ind/m2. Based on the ANOVA test with a significant value of 0.115> 0.05, it means that the preference of the betik epifauna between stations was not significantly different.
SEDIMENT ORGANIC MATTER CONTENT AND MACROZOOBENTHOS ABUDANCE IN THE ESTUARY OF KAMBANG PESISIR SELATAN DISTRICT WEST SUMATERA Putri, Rahmi Delima; Nedi, Syahril; Efriyeldi, Efriyeldi
Asian Journal of Aquatic Sciences Vol 4 No 3 (2021): December
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/ajoas.4.3.191-196

Abstract

Around the Kambang Estuary, there are fish shelters (TPI), fishing boat ports, residential areas, and mangrove ecosystems. This causes a decrease in water quality due to the increase in organic matter, which has an impact on the life of macrozoobenthos. The study conducted in February 2021 aims to analyze the organic matter content of sediments, identify the type and abundance of macrozoobenthos and the relationship between sedimentary organic matter and the abundance of macrozoobenthos. Determination of stations using purposive sampling method. This research was carried out at 4 stations with 4 sampling points. The results showed that the organic matter content found varied from 4.23 to 8.47%. The abundance of macrozoobenthos ranged from 13.89 to 38.89 ind/m2. The species of macrozoobenthos found at the study site consisted of 8 species from 3 classes of bivalves, gastropods and malacostraca. The relationship between the organic matter content in the sediment and the abundance of macrozoobenthos is obtained by the equation Y = 22.734 + 0.319X, where the coefficient of determination (R2) is 0.003 and the correlation coefficient (r) is 0.054, which is a very weak shows correlation.
ESTIMATION OF CARBON RESERVED IN MANGROVE FOREST OF SUNGAI APIT DISTRICT, SIAK REGENCY, RIAU PROVINCE Dewi, Delviana; Efriyeldi, Efriyeldi; Amin, Bintal
Asian Journal of Aquatic Sciences Vol 4 No 3 (2021): December
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/ajoas.4.3.197-207

Abstract

Mangrove forests can absorb and store carbon in large quantities and for a long time, so they can play a role in mitigating climate change. This research was conducted in February 2021 on the Mangrove Ecosystem in the Sungai Bersejarah Mangrove Tourism Area of ​​Kayu Ara Permai Village, aiming to identify species and analyze mangrove density, mangrove biomass and carbon content, CO2 uptake, as well as analyzing the relationship between mangrove density and biomass, carbon stock and CO2 uptake. This study uses a survey method, the measurement of mangrove biomass using the allometric equation method. The results of the highest average mangrove density, potential estimates of carbon stock and CO2 absorption are found on Transect 3 which shows an average mangrove density of 2166.66 ind/ha, mangrove carbon stock 91.9378 tons/ha and CO2 absorption of 336.5667 tons/ha. The largest soil organic carbon was found in transect 3, which was 384.15 tons/ha. Density does not have a strong relationship with biomass, mangrove carbon content and carbon sequestration. Mangrove density between transects showed a significant difference (p<0.05). Biomass, mangrove carbon and CO2 uptake between transects were not significantly different (p>0.05), while the estimated soil organic carbon stock was significantly different (p<0.05) between transects.
OPTIMIZATION OF Bacillus cereus GROWTH IN MEDIA WITH DIFFERENT CARBON SOURCES Putra, Muhammad Hendra; Feliatra, Feliatra; Effendi, Irwan
Asian Journal of Aquatic Sciences Vol 4 No 3 (2021): December
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/ajoas.4.3.208-214

Abstract

Bacillus cereus is a probiotic bacteria that requires media as a source of nutrients for its growth. This study aims to the media used were tofu liquid waste, sago liquid waste, and molasses. The method used is an experimental method, namely testing two groups of bacterial isolates; B. cereus SN7 and the consortium (combination of five isolates from B. cereus with different strains). Each group of isolates was grown with three replications on each waste medium. bacterial growth every six hours for twenty four hours using two methods; Total Plate Count (TPC) and bacterial cell biomass. There was no significant difference in growth between the two groups of bacterial isolation. The optimal growth of each isolate was found in molasses waste. The growth between two bacterial isolates in the liquid waste media was B. cereus SN7 bacterial isolate. Keyword: Bacillus cereus, carbon, molasses, optimal growth, incubation time.
ANALYSIS OF TYPES AND ABUNDANCE OF MICROPLLASTIC IN WATER AND SEDIMENT IN COASTAL WATERS OF PANDAN DISTRICT, CENTRAL TAPANULI REGENCY, NORTH SUMATRA Yani, Indah Novi; Siregar, Yusni Ikhwan; Amin, Bintal
Asian Journal of Aquatic Sciences Vol 4 No 3 (2021): December
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/ajoas.4.3.215-220

Abstract

This research was conducted in February 2021 in the coastal waters of Pandan District, Central Tapanuli Regency, North Sumatra Province. The purpose of this study was to analyze the type and abundance of microplastics in water and sediment and to determine the relationship between the abundance of microplastics in water and in sediment. The method used in this research is survey method which is carried out by observing and taking samples directly in the field and followed by laboratory analysis. Based on the results of the study, the highest abundance of microplastics in water was 706.67 particles/m³, and in sediments was 14,193.33 particles/kg. The abundance of microplastics in water and sediment did not differ significantly between stations. Simple linear regression test showed that the abundance of microplastics in water had a weak relationship with the abundance of microplastics in sediments.
MAPPING MARINE DEBRIS IN COASTAL AREA PADANG CITY Hangga Pradana; Mubarak, Mubarak; Galib, Musrifin
Asian Journal of Aquatic Sciences Vol 4 No 3 (2021): December
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/ajoas.4.3.221-224

Abstract

This study aims to determine the distribution of types and masses of marine debris that has been carried out in July 2020 in the Coastal Coast of Padang City. The method used was a survey method. Sampling was carried out at 4 observation stations, namely Cinta Beach, Pasir Selahan Beach, and Air Manis Beach. The results showed that the types of marine debris found at the research site consisted of plastic, metal, glass, rubber, wood, cloth, and other types. The total amount of marine debris found was 1,316 pieces with a total weight of 22,047 kg. The most common type of marine debris found in plastic waste
STRUCTURE OF THE MACROZOOBENTOS COMMUNITY IN THE NORTH COASTAL WATERS OF BENGKALIS ISLAND, RIAU PROVINCE Saputri, Apriliana Eka; Amin, Bintal; Yoswaty, Dessy
Asian Journal of Aquatic Sciences Vol 4 No 3 (2021): December
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/ajoas.4.3.225-235

Abstract

The macrozoobenthic community structure can be used as a bioindicator to determine water pollution. The macrozoobenthic community structure consists of species, abundance, diversity index (H '), dominance index (C) and species uniformity index (E). This research was conducted in July 2020 in the waters of the North Coast of Bengkalis Island. Water parameters measured include temperature, salinity and pH. In this study, it was divided into 3 stations, namely in Selat Baru Village (station 1), Jangkang Village (station 2) and Teluk Pambang Village (station 3). The results found that as many as 34 species from 4 classes of macrozoobenthos, namely Gastropods, Malacostraca, Bivalvia, and Merostomata. Gastropod class macrozoobenthos such as Volema pyrum, Littoraria scabra, Nassarius vibra, Drupella margariticola, Pirenella cingulata, and Nerita costata; from the Malacostraca class such as Uca dussumieri, Ocypode kuhlii, Clibanarius longitarsus and Litopenaeus cetiferus; from the Bivalvia class such as Glauconome virens, Polymesoda expansa and Dinocardium robustum and from the Merostomata class such as Carcinoscorpius ratundicauda. The macrozoobenthic abundance values ​​from the three stations ranged from 0.01 to 1.29 Ind / m2, the diversity index value (H ') ranged from 2.5589 to 2.8516, the dominance index value ranged from 0.2503 - 0.3312 and the uniformity index (E ) ranges from 0.6397 to 0.6838. Water quality parameters are as follows: temperature is 29-31 ° C, salinity ranges from 23-28 ppt, and pH ranges from 7.5-7.9. Sediment organic matter ranged from 6.88 to 11.26% and TSS ranged from 474-542 mg / l with the dominant sediment type at the three stations, namely sandy mud. This shows that the waters north of Bengkalis Island are classified as being polluted.
ANALYSIS OF COASTLINE CHANGES IN RUPAT ISLAND USING REMOTE SENSING DATA AND GEOGRAPHIC INFORMATION SYSTEMS Puspita, Devi; Mubarak, Mubarak; Nursyirwani, Nursyirwani
Asian Journal of Aquatic Sciences Vol 4 No 3 (2021): December
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/ajoas.4.3.236-246

Abstract

This study was conducted from July to August 2021 in coastal areas of Rupat Island, Riau Province. Coastal zone is an unstable area toward change, because it is a rendezvous place for land and sea, which the line is called shoreline. The purpose of this study was to determine the distance of shoreline change and to find out the landcover change in the coastal area. Method used in this study is a shoreline overlay from Landsat 5 in 1988, 1996, 2004 and Landsat 8 OLI in 2012 and 2020 and classifiation of land cover using supervised classification and Rupat Island monogram. This research showed shoreline changes between 1988 and 2020, abrasion of 106,55 hectares and accretion of 58,28 hectares. The largest land cover change was the decrease of dryland agriculture and forest area of 1530.80 hectares and 726.92 hectares. The largest addition of area occurred on the plantation that is equal to 741.02 hectares

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