Asian Journal of Aquatic Sciences (AJOAS)
Journal published by Riau University
Journal
Asian Journal of Aquatic Sciences (AJOAS)
Journal published by Riau University
The Asian Journal of Aquatic Sciences (AJOAS) is a scientific journal that publishes original research in the fields of aquatic ecology, ecosystems for producing food (fisheries and agriculture) and their function in the earth's ecosystem. The topics cover 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).
Subjects: Marine Science, Fisheries & Aquaculture
Accreditation: Not accredited.
Articles
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1–20 of 40 results.
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Analysis Concentration of Nitrate, Phosphate, Silicate and Relationship with Diatom Abudance in Waters Tanjung Tiram Distrcts Batu Bara Regency of North Sumatera Province DownloadRahmad Hidayat • Syahril Nedi • Irvina Nurachmidescription Journal article public Asian Journal of Aquatic Sciences • 2019Input of nutrients into the waters from various human activities (residential, agriculture and industry) has the potential to cause changes in the physical, chemical and biological conditions of the w...
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Standing Stok Ikan Paweh (Osteochillus Hasselti) dan Kondisi Lingkungan Danau Lubuk Siam Desa Lubuk Siam Kecamatan Siak Hulu Provinsi Riau DownloadAnggi Widya Iswara • Muhammad Fauzi • Nur El FajriOsteochillus hasselti was commonly inhabit the Lubuk Siam Lake. A research aims to understand the standing stock of O. hasselti in that lake was conducted in July to August 2018. The fish was sampled ...
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Analysis of Nitrate, Phosphate and Concentration Ability of Diatom (Bacillariophyta) Planktonik in the Sumatera Province of West Nirwana Beach DownloadTheresia Tampubolon • Irvina Nurrachmi • Syahril NediThis research was conducted in August 2018 with the aim to determine the concentration of nitrate and phosphate in the waters of Nirwana Beach, find out the type and abundance of diatoms found in the ...
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Composition and Density of Marine Debris in the Mangrove Ecosystems of the Sungai Rawa Village, Sungai Apit Subsdistrict, Siak Regency, Riau Province DownloadNurul Fajriah • Muhammad Fauzi • Eni SumiarsihMarine debris is a type of pollutant that commonly found in the mangrove ecosystems. A research aims to determine the composition and density of marine debris in the mangrove ecosystem of the Sungai R...
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Contents of Nitrates, Phosphates, Silicates and Mistakes Diatoms (Epiphytic) in Seagrasses (Thalassia Hemprichii) Waters Nirwana Beach Kecamatan Teluk Nibung Kota Padang Sumatera Barat Province DownloadSakinah Rachmadani Rambe • Irvina Nurachmi • Syahril NediEpiphytic diatoms are diatoms whose lives are associated with plants, one of which is seagrass. Nitrates, phosphates and silicates are needed to support growth and development, especially epiphytic wh...
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Composition and Amount of Marine Debris in the Mangrove Area in Mengkapan Village, Sungai Apit District, Siak Regency, Riau Province DownloadSilmarita Silmarita • Muhammad Fauzi • Eni SumarsihMarine debris is a type of pollutant that commonly found in the mangrove ecosystem. A study aims to investigate the composition, amount and oceanographic parameters that influence the presence of mari...
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Morphometric, Meristic, and Growth Patterns of the Strombus Turturella From the Dompak Island Coastal Area, Tanjungpinang Kepulauan Riau DownloadHenny Henny • Efawani Efawani • Eddiwan EddiwanStrombus turturella is a type of gastropods that live in the shallow coastal area of the Dompak Island. A research aims to understand the morphometrical, meristical characteristics and growth patterns...
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Type and Density of Fish in the Indragiri River Lubuk Terentang Village, Gunung Toar District, Kuantan Singingi Regency, Riau Province DownloadNesha Aqila • Eni Sumarsih • Nur El FajriIndragiri River has high fishery potential. Fishing activities conducted however, affect fish population in general. A research aims to determine the community structure of fish in that waters was con...
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Thadeus Mariode Triputra Purba • Irwan Effendi • Feliatra Feliatradescription Journal article public Asian Journal of Aquatic Sciences • 2019This research was conducted in January - February 2019. The purpose of this study was to examine the effectiveness of mangrove extracts on stems and fruit on the growth of Aedes aegypti mosquito larva...
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Siska Monika • Dessy Yoswaty • Nursyirwani NursyirwaniPhenol degrading bacteria can be found in various habitats in marine environments. This study aims to obtain bacteria from sediments that are able to degrade phenol. The process of bacterial purificat...
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Relationship of Organic Material with Abundance of Toxic Benthic Dinoflagellata on Sediment in Waters of Teluk Bakau Village Bintan Regency, Riau Island Province DownloadSyafrinaldi Afrizani • Irvina Nurachmi • Irwan EffendiDinoflagellata was included in one of microalgae groups which are on waters of the sea and the river, it can be found on detritus floats, sediments, and also swim freely. This research done on May – J...
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Identification of Macrophyta in the Swamp Area of the Sawah Village, Kampar Regency, Riau Province DownloadAprilia Safitri Nasution • Windarti Windarti • Efawani EfawaniThere were many types of macrophyta present in the swamp area of the Sawah Village, but there was no information about the types of macrophyta in that area. To understand the type of macrophyta presen...
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Rady Rady • Irwan Effendi • Feliatra FeliatraThe most commonly used method of vektor control is temephos (the synthetic larvicide). Currently in some areas there has been resistance of aedes aegypti larvae to temephos, so that natural larvicide ...
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Types And Density Of Seagrass In The Genting Beach, Tanjung Medang Village, Rupat Utara District, Bengkalis Regency, Riau Province DownloadHaini Hidayah • Muhammad Fauzi • Adriman AdrimanSeagrass is present in the Genting Beach. During the low tide, however, propeler of fishermen ship damage the seagrass habitat in general. To understand the types and density of seagrass in Genting Be...
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Effect of Addition of Different Nitrate Concentration on Spirulina Platensis Biomass with Semi Outdoor System DownloadNatalia Natalia • Bintal Amin • Irwan Effendidescription Journal article public Asian Journal of Aquatic Sciences • 2019Spirulina platensis is one type of microalgae that has high nutrient and protein content and can live in fresh and marine waters. In the growth of S. platensis requires several supporting factors in i...
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Putri Hanryani • Efriyeldi Efriyeldi • Irwan EffendiSpirulina is microalgae that spreads widely in nature and can be found in various types of environments, both in brackish, sea and fresh water. Spirulina is photoautotrophic, so it requires light as a...
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Density and Coverage of Seagrass on Different Type of Sediment at Pandaratan Beach Tapanuli Tengah Regency North Sumatera Province DownloadDea Lianov • Efriyeldi Efriyeldi • Zulkifli Zulkiflidescription Journal article public Asian Journal of Aquatic Sciences • 2019Seagrass ecosystem is one of shallow sea ecosystems that plays an important role to maintain stability of the sea. Density and coverage of seagrass depend on characteristic of sediment, include mean s...
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Annisa Presti Parbo • Irwan Effendi • Syahril Nedidescription Journal article public Asian Journal of Aquatic Sciences • 2019This research conducted on March to April 2019 with the aim of knowing the effect of detergent on the growth of A. microphylla. The results showed wet weight growth ranging from 2-23.81 grams (control...
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Annalysis of Pb, Cu and Zn Metal Contents in Red Chut-chut Snail (Cerithidea Obtusa) and Sediment in Mendol Island Kuala Kampar of Riau Province DownloadSusi Sumanti • Irvina Nurachmi • Yusni Ikhwan SiregarThe study was conducted in July 2018. Sampling of sedut snails (Cerithidea obtusa) which was carried out in the waters of Mendol Island, Kuala Kampar District, Pelalawan Regency was aimed to determine...
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Species Diversity and Distribution of Sponges in the Coastal Area of Kasiak Island Pariaman Regency Sumatera Barat Province DownloadNahdya Nasri Ananda • Efriyeldi Efriyeldi • Thamrin ThamrinSponges are the most primitive multicellular animals that live in various types of waters from freshwater, brackish and sea. Sponges live in bottom waters that typically stick themselves on hard subst...