Sea cucumber (Actinopyga spinea) is an invetebrata phylum Echinoderm of the class Holothuroidea. Sea cucumbers have a lot of protein, lipids, and carbohydrates. So that sea cucumbers are used as processed food, industry, cosmetics and pharmaceuticals. The content of sea cucumbers has resulted in an increase in demand in the global export market. The high demand for sea cucumbers has resulted in…
ABSTRACT The development of literacy questions based on the minimum competency assessment framework AKM is a research that aims to produce scientific literacy questions based on the minimum competency assessment framework AKM that are valid, practical and reliable. This research was conducted in class XI P4.A SMA Negeri 13 Palembang. This development was carried out using the Djaali and Mulyono…
Penelitian ini bertujuan untuk mengetahui aktivitas antibakteri dan Konsentrasi Hambat Minimum (KHM) pada ekstrak daun wijaya kusuma (Epiphyllum oxypetalum) terhadap bakteri Salmonella typhi. Metode penelitian kuantitatif dengan desain penelitian eksperimen menggunakan Rancangan Acak Lengkap (RAL) dan hasil dianalisis menggunakan Uji One Way ANOVA. Metode pengujian dilakukan dengan metode difus…
This research aims to find out the format of organic waste processing project learning using maggot caterpillars (Hermetia illucens Linnaeus) on environmental change material and the effect on the level of environmental literacy of students. The method used in this research is Pre-Experimental Design with One-Group Pretest-Posttest Design model. The research sample was selected using Purposive …
Mekakau Ilir district is one of the districts with the highest coffee production in South OKU Regency. The majority of the population of Pulau Duku Village earns a living as coffee farmers, which indicates that coffee plants are the main source of income in Pulau Duku Village. However, coffee production in the village often experiences a decline. Based on information from the coffee farming com…
In 21st century learning, the use of interactive multimedia as learning media has shown the potential to improve motivation and learning outcomes of students compared to traditional learning media. This study aims to determine the effect of the application of interactive multimedia on the motivation and learning outcomes of high school students in the respiratory system. The research method use…
Learning in the 21st century, PBL model and flipped classroom strategy have successfully realised student centered learning that is problem-oriented and can improve the quality of Biological Learning. The study aims to find out the effect of the PBL-supported flipped classroom strategy on the motivation and learning outcomes of students. The type of research used is quasi experiment nonequivale…
The ecosystems diversity and unique of geology in Indonesia causes high endemicity of flora, fauna, and microbes. South Sumatra Province has an endemic primate, namely Siamang (Symphalangus syndactylus) that protected because threatend by extinct due to degradation of its forest habitat and hunting for pets. This research aims to determine the vegetation profile of the Siamang habitat and to id…
This study aims to determine the effect of bioferlizer application on vegetatif growth and yield of sugarcane (Saccharum officinarum L.) and its optimal concentration for sugarcane plants. This research used a Randomized Group Design (RGD) with 1 faktor, namely biofertilizer. The treatments used consisted of P1 (Inorganik fertilizer/control), P2 (2 kg/l Biofertilizer), P3 (3 kg/l Biofertilizer)…
Ecotourism is an activity that links tourism activities with aspects of nature conservation, socio-cultural economy and aspects of learning and education. Ecotourism is derived from the term ecotourism which means ecological tourism. From this, ecotourism is a form of tourist travel to natural areas that is carried out with the aim of conserving the environment and preserving the lives and welf…
Penelitian ini bertujuan untuk menganalisis efektivitas pelaksanaan dana dekonsentrasi Gubernur sebagai Wakil Pemerintah Pusat (GWPP) di Provinsi Sumatera Selatan Tahun Anggaran 2024. Metode penelitian menggunakan pendekatan kualitatif dengan teknik pengumpulan data melalui observasi, dokumentasi, dan wawancara mendalam terhadap pemangku kepentingan terkait. Hasil penelitian menunjukkan bahwa e…
This study aims to determine the species richness of corticolous lichens found on oil palm trunks (Elaeis guineensis Jacq.) in the plantation area of PT. Raja Palma, taking into account the variation in distance from a pollution source (a main road). Lichens are sensitive indicators of environmental changes, particularly air quality and humidity. The method used in this study was a survey with …
Abstract: Indonesia has the largest mangrove ecosystem in the world, covering 3,364,080 ha (National Mangrove Map, 2021), consisting of dense mangroves (97%), moderate (5.60%), and sparse (1.62%). This study aimed to analyze the density of predator and pollinator insects in relation to mangrove vegetation structure in Marga Sungsang Village and Sungsang IV Village, Banyuasin Regency, South Suma…
Macrofungi are heterotrophic organisms belonging to the kingdom fungi. Macrofungi have special characteristics, one of which is that they are able to produce clearly visible fruit bodies (sporocarps). Macrofungi can be used as an indicator that an area has large biomass availability and high air humidity (~70-90%). PT Sumatra Prima Fiberboard (SPF) as one of the largest wood processing companie…
Macrophytes are plants that grow in water and possess potential as ornamental plants due to their aesthetic value and ecological function. This research was conducted in the swamp area of Muara Penimbung Ulu Village, Indralaya Subdistrict, Ogan Ilir Regency, aiming to identify swamp macrophyte species with ornamental potential. The method used was an exploratory approach through direct observat…
Fungi Colletotrichum spp. especially Colletotrichum capsici is a pathogenic fungus that causes anthracnose disease in chili plants. Efforts to control anthracnose disease that have been made to date are the application of synthetic fungicides. Biological control agents are the use of living organisms, biological processes or products of biological processes to reduce or suppress the abundance o…
Leea Indica (Burm.f.) Merr (Memaye) is a shrub plant that is used by the Besemah tribe as a medicinal plant to treat infectious diseases such as hepatitis and warts and degenerative diseases such as liver. Seeing the potential of L. indica as a medicinal plant and the lack of information regarding its anatomy and secretory structure, this research aims to determine the anatomy and secretory str…
Tenebrio molitor larvae have the ability to degrade styrofoam, where the bacteria Exiguobacterium sp. strain YT2 and Pseudomonas aruginosa DSM50071 contained in its intestine play an important role through the secretion of extracellular enzymes play an important role through the secretion of extracellular enzymes. Research showed that most of the polystyrene from ingested styrofoam is converted…
Black soldier flies (Hermetia illucens L.) are a group of insects in the order Diptera, which have complete metamorphosis. The obstacle experienced during the rearing process is that a small number of eggs are obtained, therefore efforts are made to increase the population of black soldier flies by providing bait in the form of food that is an attractant for female imagoes to lay large numbers …
This research aims to determine the growth patterns and phenetic relationships of the snakeskin Gourami (Trichopodus pectoralis) from the Kelekar, Ogan, and Komering Rivers. The study was conducted from November 2024 to June 2025. The method used was descriptive quantitative. Sampling was carried out using gill nets and traps. The data obtained were analyzed using the Linear Allometric Model (L…
This research aims to analyze the morphometric variation of Strombus turturella (gonggong snail) collected from two distinct locations, namely Bangka Island (Kelabat Bay) and Dompak (Riau Archipelago), and to examine its contribution to enhancing numeracy literacy in high school biology education. The study employed a descriptive quantitative approach by measuring nine morphometric parameters: …
Rice (Oryza sativa L.) has various rice colors based on color pigments. Red rice is a colored rice whose genetic variation is higher than other colored rice. Genetic conservation is an effort that needs to be made to save local varieties of red rice from the threat of genetic erosion and extinction. One effort to conserve the genetics of local varieties of red rice is DNA sequencing using molec…
Aktivitas pertambangan timah di pulau Bangka telah lama berlangsung dan menjadi masalah utama karena menyebabkan terbentuknya kolong atau lubang-lubang besar dan merusak sifat kimia tanah berupa tingginya kandungan logam. Tingginya kadar logam perlu dinetralisir agar tidak mengganggu ekosistem, salah satunya logam berat besi (Fe). Logam berat besi (Fe) akan berbahaya jika terkonsumsi di atas ju…
Fusarium oxysporum is one of the soil-borne pathogens that is able to cause damage to plants with an attack intensity of up to 35%. Farmers still use synthetic fungicides to eradicate them. The use of synthetic fungicides has a negative impact on the environment. One of the alternative efforts that can inhibit the growth of Fusarium oxysporum is by utilizing bacteria as antagonistic agents. One…
Energy needs continue to increase in Indonesia by 1,185.56 BOE (Barrel of Oil Equivalent) which is dominated by petroleum energy. This causes widespread petroleum management activities which produce waste in the form of hydrocarbon compounds because they are toxic to the environment. Management of hydrocarbon compounds needs to be done, one of which is through bioremediation using bacteria. Thi…
Staphylococcus aureus is an opportunistic pathogenic bacterium capable of forming biofilms, protective structures that make it more resistant to antibiotics. These biofilms play an important role in chronic and intractable infections. One alternative approach to overcome this problem is to utilize natural bioactive compounds, such as secondary metabolites from the fungus T. harzianum. T. harzia…
Candida albicans dianggap spesies patogen dengan membentuk biofilm. Dampak yang dihasilkan dari biofilm mendukung pentingnya dilakukan penelitian untuk mendapatkan senyawa antibiofilm. Trichoderma harzianum memungkinkan untuk menyumbangkan metabolit sekunder paling banyak dari spesies Trichoderma. Banyaknya penelitian dengan memanfaatkan potensi metabolit sekunder yang dihasilkan oleh fungi men…
Demam Berdarah Dengue (DBD) merupakan penyakit menular yang disebabkan oleh virus Dengue dan ditularkan melalui gigitan Aedes aegypti L. Pengendalian vektor nyamuk secara ramah lingkungan dapat dilakukan dengan memanfaatkan bahan alami sebagai atraktan untuk menarik nyamuk masuk ke dalam perangkap. Penelitian ini bertujuan untuk mengetahui jumlah nyamuk Aedes aegypti L. yang terperangkap, konse…
The Sumatran elephant (Elephas maximus sumatranus) is an endemic species of Sumatra currently facing extinction, primarily due to ongoing habitat loss driven by human activities. The availability of natural forage plays a critical role in the survival of this species. This study aims to analyze vegetation composition and structure, identify plant species that serve as natural forage, and evalua…
Mining activities are one of the business sectors that have an important role in utilizing the potential of natural resources, especially coal to support national economic development. However, mining activities such as open mining also have great potential to cause environmental damage and potentially disturb the water system around the mining area. Carp (Cyprinus carpio) is one type of freshw…