Remote sensing technology for depth data extraction, known as Satellite Derived Bathymetry (SDB), can support and facilitate bathymetric data collection, particularly in shallow waters, by utilizing satellite image data to obtain water depth information. This research aims to analyze the comparison between Landsat 8 and Sentinel-2A images in acquiring shallow water depth information in the wate…
The community and industrial activities such as mining, agriculture, plantations, and natural activities that directly or indirectly enter the waters of the Musi River can result in river pollution, such as the inclusion of waste, including ammonia. The existence of ammonia that exceeds the specified quality standard value can disrupt the ecosystem in the waters and the living creatures around …
Mud crabs are an important component of fisheries in coastal areas. Crab ranks third after shrimp and lobster because of the delicacy of seafood and also the fishery value it supports. The world's crab fisheries are thriving and there is a wide scope for crab meat not only for the delicacy of the meat but also for its nutritional richness. Antioxidants are included in certain substances that ca…
Nutrients are very important for the growth of an organism in the water. The entry of waste or waste products can reduce the quality of waters leading to an increase in nutrient concentrations in the water column. This study aims to determine the condition of nutrients in water and sediment and analyze the condition of Payung Island Waters. Sampling was carried out in September 2022 at 5 resear…
Gastropods are food derived from waters that contain many antioxidant components, such as Nerita balteata and Cassidula aurisfelis. The purpose of this study was to determine the comparison of antioxidant activity with DPPH method and phytochemical content and analyze active compounds with GC-MS. This research was conducted from January 2023 to April 2023. The results showed that the extracts o…
Research on the design characteristics of small scale fisheries vessels was conducted in Sungsang Village, Banyuasin Regency, South Sumatra Province, December 2022 – January 2023. The research method used was the survey method, taking direct measurements of the main dimensions of the dominant fishing vessels namely motor boats (pompong) and outboard motor boats (Jol). Processing of ship desig…
Pertambangan batubara di Indonesia banyak dilakukan secara terbuka(surface mining). Penambangan batubara yang dilakukan secara terbuka akanmelepaskan asam sulfat dan mendorong terjadinya oksidasi mineral sulfida.Proses ini selanjutnya akan menghasilkan limbah berupa air asam tambang (AAT) dan mengakibatkan tingginya akumulasi logam berat pada tanah dan air. Air asamtambang (AAT) memiliki nilai …
Besarnya pelepasan yang melalui bawah pintu air serta karakteristik profil aliran yang terbentuk setelah melewati pintu ini dapat dihitung dan dianalisa untuk kemudian diramalkan bentuk umum dari profil aliran yang terjadi. Analisa profil aliran ini menjadi penting adanya terutama dalam perancangan saluran. Tujuan dari penelitian ini adalah menentukan besarnya nilai pelepasan ( debit ) yang kel…
Pada daerah dataran tinggi sering terjadi erosi yang disebabkan oleh tergerusnya tanah akibat energi kenetik hujandan pengaruh lainnya seperti jenis kepekaan tanah, penggunaan lahan, serta panjang dan kemiringan lereng. Tujuan dari penelitian ini adalah untuk menghitung indek erosivitas serta mengetahui besarnya erosi pada Sub DAS Lematang Hulu, yang merupakan wilayah perbukitan di Sumatera Sel…
Channel planning by using the Manning formula Manning roughness coefficient (n) as one of the parameters that are influenced by the surface roughness of the channel. If the channel is planned to have a surface roughness varies from one side to the other side, also known as composite channel, it would require the equivalent Manning roughness coefficient (ne). This study aims to identify the effe…
Kehamilan yang dialami oleh wanita akan menciptakan berbagai perubahan pada aspek fisiologis, psikologis hingga aspek sosial. Berdasarkan data WHO menyatakan bahwa beberapa negara berkembang di dunia berisiko tinggi terjadinya gangguan kecemasan pada ibu hamil dan ibu pasca persalina. Penelitian ini bertujuan untuk mengetahui hubungan dukungan keluarga dengan tingkat kecemasan ibu hamil dalam m…
Penambangan batubara PT Kalimantan Prima Persada Jobsite PELH dilakukan dengan metode tambang terbuka. Metode penambangan secara tambang terbuka akan menghasilkan cekungan yang apabila terjadi hujan akan terisi air. Pada pit timur asta PT Kalimantan Prima Persada Jobsite PELH terdapat sebuah void berisi air yang berada pada sisi barat pit timur asta. Void tersebut masuk kedalam boundary pit pad…
The polyculture system is an aquaculture system that combines two or more types of fish in one rearing container. Fish rearing can also be integrated with plants or vegetables, known as aquaponics systems. Determining the stocking density and selected fish to be kept in polyculture is essential. This study aims to determine the best stocking density of climbing perch cultivated in polyculture w…
Catfish (Clarias gariepinus) is a type of freshwater fish superior in increasing fish production and consumption of fishery commodities. The obstacle in carrying out fish cultivation is the presence of diseases in fish, such as Motile Aeromonas Septicemia (MAS), caused by the bacterium Aeromonas hydrophila. The experiment used a completely randomized design (CRD) consisting of controls and thre…
One of the obstacles in fish aquaculture activities is the being of disease attacks. One of the commonly diseases that attack fresh water is motile aeromonas septicemia caused by Aeromonas hydrophila. Nile tilapia is one of the types of freshwater fish that is most favoured by the community. Efforts to prevent Aeromonas hydrophila attacks by utilizing natural ingredients such as Peperomia pellu…
One of the obstacles in the production process is the high cost of feed which ranges from 60-70% of the total production costs. The main ingredient of vegetable protein sources in fish feed formulations is soybean meal. However, the availability of soybean meal is still dependent on imports, so that efforts are needed to develop feed made from alternative raw materials that are easily available…
Malay combtail (Belontia hasselti, Cuvier 1831) is one of the freshwater fish species inhabiting the floodplain. The species has the prospect of becoming an aquaculture commodity as an ornamental fish. This study aimed to analyze the sexual dimorphism, reproductive biology, and growth pattern of B. hasselti. Sample collection was conducted in the Kelekar Floodplain area, Ogan Ilir Regency. Fish…
Cadmium is the most common heavy metal found in waters after lead (Pb). It can impact the function of fish organs and cause tissue damage in the gills, liver, kidneys, pancreas, and meat, finally impacting the health of the human body that consumes it. The climbing perch is a susceptible fish that may be exposed to cadmium contamination (Cd). This study aimed to perform an acute toxicity test a…