Inventory is an activity of collecting data, recording, naming newly discovered species and reporting to areas indicated to have high biodiversity value criteria, intended to obtain factual and detailed data and information regarding insects in an area or region. Dragonflies act as bioindicators of water quality. This is because the habitat in its egg and nymph phases is in the water. In additi…
PT Sumatera Prima Fibreboard (PT SPF) is a private company that produces medium-density fibreboard or MDF. PT SPF made a green area in several locations in the factory environment as an effort to reduce air pollution, especially CO2 gas due to MDF production activities. The function of the green area as a store of carbon reserves has an essential role in reducing and suppressing the release of …
The high level of environmental pollution caused by improper waste treatment often causes various kinds of diseases and bad odors. Organic waste originating from living things can be used as a compost product if it is processed properly and has a good impaact on the environment. The C/N ratio is an indicator of the quality of organic fertilizers derived from the mixture and composition of the w…
ANTAGONISM ABILITY ENDHOPHYTIC FUNGI OF KABAU (Archidendron bubalinum (Jack) I.C. Nielsen) FRUIT AGAINST Colletrichum capsici IPBCC 13.1098 Anggi Sandra 08041381924091 ABSTRACT One of the obstacles in the cultivation of red chili is anthracnose disease or fruit rot which has been widely reported as one of the diseases that often attacks red chili cultivation. Efforts to control and prevent Coll…
The use of plastic as food packaging dominates polystyrene plastic, namely styrofoam, because of its light characteristics and the fact that it can be carried without realizing it, releasing large amounts of waste into the environment. Overcoming styrofoam plastic can be done by using insects from the Coleoptera order, namely Tenebrio molitor L., better known to the common people as the Hongkon…
Through the length of Batanghari River, there are many community activities, such as fishing, coal-carrying, and industrial activities. These various activities can cause pollution of the aquatic environment, such as pollution of heavy metals Pb and Cu. This pollution can be overcome by using phytoremediation techniques using Avicennia alba Blume. which grows in Mangrove Forest Nature Reserve E…
Lingkungan perairan di sungai Musi telah tercemar logam berat timbal disebabkan aktivitas industralisasi. Timbal dapat terakumulasi kedalam tubuh manusia dan menyebabkan penyakit kronis sehingga diperlukan alternatif untuk mengurangi timbal pada perairan sungai. Penelitian ini bertujuan untuk mengetahui seberapa resisten bakteri endofit pada akar eceng gondok terhadap timbal dan mengetahui iden…
Vaname shrimp (Litopenaeus vannamei) was initially well received by shrimp farmers in Indonesia. However, in recent years vannamei shrimp have experienced a decline in production due to disease attacks, which are caused by viruses, one of which is the White Spot Syndrome Virus (WSSV). This study aims to detect WSSV in vannamei shrimp using the WSSV Nugen Kit. This research was conducted from No…
Organic waste includes fruits, vegetables and coconut dregs which still contain nutrients in them. The nutritional content of fruit, vegetable and coconut waste can be used as an alternative feed for the mealworm (Tenebrio molitor L.). The nutritional content is not sufficient for the mealworm (Tenebrio molitor L.) so that a fermentation treatment using EM4 is needed to increase the nutrient co…
The Curup Batu Beladung Waterfall tourist area is a newly opened tourist attraction; therefore, information regarding biodiversity, especially that of dragonflies, is not yet available. Dragonflies are a species that has an important role in the ecosystem. The aim of this research was to determine the types of dragonflies (Order Odonata) found in the Curup Batu Beladung Waterfall tourist area. …
This research aims to determine the influence of Capital Structure, Company Growth and Profitability on Company Value in Properties and Real Estate companies. This research was conducted using a purposive sampling method with the aim of obtaining a representative sample according to the specified criteria. The number of samples obtained was 29 companies for the 2020-2021 period. The method used…
Penelitian yang berjudul ‘’Struktur Komunitas Makrozoobentos di Sungai Air Bengkulu, Kota Bengkulu’’ dilaksanakan pada bulan Agustus sampai dengan selesai 2022, bertempat di Sungai Air Bengkulu bagian hilir, Kota Bengkulu. Metode penelitian yang digunakan adalah dengan menggunakan metode survei dan observasi. Metode ini digunakan untuk mencari kesesuaian kondisi dan ruang lingkup area p…
Ginger (Zingiber officinale) is a type of medicinal plant belonging to the Zingiberaceae family. Increasing the growth of ginger rhizome can be done by using natural growth regulators. Coconut water is a source of natural growth regulators. Different coconut varieties are thought to have different compositions of biochemical compounds, including growth regulators contained in coconut water. The…
Oil palm empty fruit bunches (EFBF) waste is a waste that takes a long time to degrade, this is due to the high cellulose content in EFB waste. Cellulose is a hydrolyzed polysaccharide to produce cellobiose and glucose monomers. Cellulase can be produced by plants, yeast, bacteria and cellulolytic fungi. Fungi have the ability to decompose cellulose found in dead plant tissues into simpler comp…
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 …
Most of society depends on the use of plastic as packaging material. The material most commonly used as a constituent of plastics comes from PET (Polyethylene terephthalate). Dependence on PET-based plastics causes a high increase in landfills due to non-degradability materials. PET can be degraded by physicals and chemicals method, but those methods raise the problem of secondary environmental…
Palembang City is a growing city, so there is a lot of increased activity in the city. One of the centers of community activity is the road, because roads connect land transportation, causing pollution. Jalan Demang Lebar Daun is one of the streets in the city of Palembang which is busy with activity because it is in the middle of the city. Human activity on the road can increase the amount of …
Butterfly pea flower (Clitoria ternatea L.) is used as a natural dye and herbal medicine because it contains metabolites. The content of these metabolites is influenced by the phase of flower development. This study aims to determine the abundance of metabolites, anthocyanin levels, and antioxidant levels in butterfly pea flowers based on the flowering phase with a non-targeted metabolomics app…
The bintaro plant (Cerbera manghas L.) is a poisonous plant of the Apocynaceae family that has potential as an anticancer agent because it contains secondary metabolite compounds that show cytotoxic activity which can be known based on the level of toxicity. This study aims to determine the acute toxicity of n-hexane extract, ethyl acetate extract, and methanol extract of bintaro fruit on the m…
PT Sumatera Prima Fibreboard is a private company engaged in the industry that produces MDF wood. PT SPF created a greening area in several locations in the factory environment as an effort to reduce air pollution, especially CO2 gas due to MDF production activities. Trees planted in greening areas have an important role to be able to clean the air and as a habitat for various other organisms s…
Social media can be used by all walks of life, including college students. Many college students often use social media for a long time, causing these college students to be lazy to study. This study aims to identify what factors are closely related to social media users among FMIPA Sriwijaya University students. The data in this study is the characteristic data of FMIPA students of Sriwijaya U…
The fetus or fetus is a creature in the womb that is developing after the embryo. Unhealthy maternal health conditions can threaten the health and safety of the fetus, as well as fetal health can threaten the health conditions of the mother to the developmental stage until death during childbirth. Worldwide, an estimated 2.8 million infants and pregnant women die each year. Therefore, the impor…
The calculation of pension fund assets needs to be done to see whether there is a loss in pension funding or not. This study aims to see the influence of vasicek interest rate assumptions in the calculation of pension funds. The pension fund calculation method in this study uses four methods, namely the Attained Age Normal (AAN), Projected Unit Credit (PUC), Entry Age Normal (EAN), and Individu…
Credit is a condition of delivery in the form of goods, money or services from the first party (credit giver) to another party (credit recipient) with a joint agreement to be completed within a certain period of time in return for the additional principal. Customers who apply for credit must meet the conditions set by the bank with the aim of avoiding unexpected possibilities such as bad credit…
Convolutional neural network (CNN) is a deep learning method that has many layers and requires large data. However, image data sizes that are too large can affect computational performance due to large memory usage. Limited memory can cause CNN not to work optimally. The solution to overcome the large number of data sizes and multiply the data in 3D images to meet the needs of CNN training, nam…
Heart attack is a heart disorder when the heart muscle does not receive blood flow. This condition interferes with the function of the heart in circulating blood throughout the body. According to WHO in Indonesia in 2021, there are 17.8 million deaths from heart attacks. Therefore, it is quite important to predict someone who has a heart attack so that it can be treated early. In this study, se…
The capital market has become one of the important factors in the economy of a country, one of which is Indonesia, where the capital market accelerates the movement of the economy by making it easier for companies to develop because they get capital from selling part of their ownership shares to the general public, so that companies have sufficient funding to finance their business. develop the…
Pagaralam is one of the coffee-producing centers in South Sumatra. Coffee plantations in Pagaralam are people's plantations that have been managed for generations. Good land maintenance is one of the efforts to increase coffee production. This study aims to analyze the factors that have a relationship with net income and the use of reductants in Pagaralam coffee farmers by using correspondence …
The occurrence of rain can hamper human activities, hence the need to predict rainfall events to anticipate the possibility of bad things that will happen. Prediction of rain events is useful in various fields such as transportation, agriculture and industry. In this study using the fuzzy random forest method which is a combination of fuzzy sets and random forest, this method produces good pred…
Brain tumors can be identified by performing image segmentation using a Convolutional Neural Network (CNN) from Magnetic Resonance Imaging (MRI) data. The number of three-dimensional (3D) MRI images is still limited and the data size is large. 3D MRI images are cut into two-dimensional (2D) images to simplify the segmentation process. The widely used CNN architecture in 2D image segmentation is…