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Biocaster : Jurnal Kajian Biologi
Published by Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu
ISSN : 28083598     EISSN : 2808277X     DOI : https://doi.org/10.36312/biocaster
Core Subject : Science, Education, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Immunology & microbiology
Biocaster : Jurnal Kajian Biologi (B : JKB), focus to bridge the gap between research and practice, providing information, ideas and opinion, in addition to critical examinations of advances in biology research, teaching, and learning. Through the coverage of policy and curriculum developments, the latest results of research into the teaching, learning and assessment of biology are brought to the fore. Biocaster : Jurnal Kajian Biologi (B : JKB), receiving and publishing article in the form of research and review (scientific article) in the field of biology education and utilization of biological research in teaching and learning. Each article must be linked to the theme "21st century skills in biology education" and / or "Efforts to support the achievements of the goals set forth in the Sustainable Development Goals (SDGs) through biology education". All articles are published in English and under go a peer-review process. The scope of Biocaster : Jurnal Kajian Biologi (B : JKB), is focused on biology education research/review both in topics covered as well as disciplinary perspective : 1) Biology teaching and learning materials at all education levels; 2) Pure Research of Biology developed or studied to the sources, materials, or instructional media Biology (using the Research and Development paradigm/R&D); 3) Curriculum of Biology Education at all education levels; 4) Quasi-experiment, Class Action Research (CAR), and Lesson Study in Biology teaching and learning; 5) Other Qualitative Research of Biology Education; 6) Biology Learning Evaluation/Assessment; 7) Teacher Professional Issues/Trends in Biology Education; and 8) Environmental education.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 52 Documents
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Search results for , issue "Vol. 6 No. 1 (2026): January" : 52 Documents clear
Lintas Generasi dalam Tradisi Seblang Olehsari Banyuwangi : Kajian Etnobotani, Konservasi, dan Pewarisan Pengetahuan Lokal di Era Modern Witanto, Anas Bagaskara; Pangesti, Novi Andrilia; Putri, Nadya Apriyani; Muhaimin, Fahrul Ghani; Pitaloka, Karin Anindita Widya; Mahanal, Susriyati
Biocaster : Jurnal Kajian Biologi Vol. 6 No. 1 (2026): January
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v6i1.888

Abstract

The Seblang Olehsari tradition in Banyuwangi is a sacred ritual of the Osing people who use various types of plants as an important part of cultural processions. This research aims to document the use of ritual plants in the Seblang Olehsari tradition and analyze plant conservation efforts and the inheritance of local knowledge between generations in the modern era. This study uses a mixed method approach. Qualitative data was collected through interviews, observations, and documentation of village heads, traditional leaders, Seblang dancers, and the people of Olehsari Village. Quantitative data was obtained through survey techniques using questionnaires on 28 respondents. Quantitative data were analyzed descriptively through intergenerational comparisons to measure the level of local knowledge and its inheritance patterns in the younger and older generations. The results of the study show that there are 33 types of plants that are used in various stages of the Seblang ritual. Quantitatively, the younger generation has a wider range of plant species recognition than the older generation, although a number of plant species are not recognized by both generations. This pattern suggests that local knowledge related to ritual plants is still passed down between generations, mainly through the role of the family as the primary source and direct observation as the dominant transmission mechanism. These findings show that the Seblang Olehsari tradition functions as a biocultural conservation mechanism that plays a role in maintaining the sustainability of the use of ritual plants, as well as supporting the preservation of biodiversity and local knowledge of the Osing people.
Tumbuhan Ritual sebagai Arsip Hidup : Kajian Etnobotani dalam Tradisi Selamatan Desa Temas, Kota Batu Wulandari, Fidellawati; Susantia, Diah Ayu Putri; Anandita, Galuh Ajeng Ratri; Hidayat, Mohamad Rifki Yoshimi; Muhaimin, Fahrul Ghani; Pitaloka, Karin Anindita Widya; Mahanal, Susriyati
Biocaster : Jurnal Kajian Biologi Vol. 6 No. 1 (2026): January
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v6i1.889

Abstract

The Temas Village Selamatan tradition is closely related to the use of plants in its implementation, but the lack of documentation means that the ethnobotanical knowledge contained therein has not been widely revealed. This study aims to document and preserve local community knowledge regarding the use of ritual plants used in the Temas Village Selamatan tradition in Batu City. This study focuses on identifying plant types, habits, organs used, methods of use, stages of use, philosophical meanings, and conservation efforts. The type of research used is descriptive qualitative. Data was obtained through interviews, observation, and documentation. Key informants were determined using purposive sampling, then additional informants were selected using snowball sampling based on the recommendations of key informants. The data were analyzed using descriptive statistics to reinforce the presentation of the qualitative data obtained. The results showed that the dominance of plant use in rituals was based on the philosophical meaning contained in the plants, with the conservation status of the majority of plants classified as Not Evaluated according to the IUCN. The connection between plant use and the philosophical meaning contained therein indirectly supports plant conservation for the sustainability of rituals. These findings confirm that plants play a role as living archives that must be preserved for future generations.
Menyingkap Tumbuhan Ritual melalui Tradisi : Kajian Etnobotani pada Kirab Jolen di Lumajang, Jawa Timur Widianti, Amanda Melia Putri; Azizah, Firda Evi; Yusniarni, Nadhia Salma; Qolbi, Salsabila Asshifa; Muhaimin, Fahrul Ghani; Pitaloka, Karin Anindita Widya; Mahanal, Susriyati
Biocaster : Jurnal Kajian Biologi Vol. 6 No. 1 (2026): January
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v6i1.890

Abstract

The Kirab Jolen tradition is one of the local wisdom of the Javanese people that utilizes various types of plants, but the local knowledge that accompanies it has the potential to be eroded due to limited scientific documentation. This research aims to document and preserve the local knowledge of the community regarding the use of ritual plants in the Kirab Jolen Tradition. This study uses a qualitative descriptive approach by collecting data through participatory observation, in-depth interviews, and documentation. Informants were determined using purposive techniques followed by snowball sampling, involving village heads, shamans, and community leaders. The data was analyzed descriptively through the stages of data reduction, data presentation, and conclusion drawn. The results of the study identified 26 types of plants belonging to 17 families dominated by herbal habitus with the most widely used plant parts in the form of fresh fruits. The ritual plant has a philosophical meaning that is closely related to the value of spirituality and an expression of gratitude to God. Based on the IUCN conservation status, most plants are in the category not evaluated, but the community has implemented local conservation efforts through planting and care in gardens and yards. These findings show that the Kirab Jolen Tradition plays an important role in the preservation of local wisdom, the strengthening of ethnobotanical knowledge, and the sustainability of biological resources.
Keanekaragaman Jenis Ikan di Bendungan Pengga Kabupaten Lombok Tengah Hikmah, Sari Lailatul; Primawati, Sri Nopita; Efendi, Ismail
Biocaster : Jurnal Kajian Biologi Vol. 6 No. 1 (2026): January
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v6i1.901

Abstract

The purpose of this study is to determine the diversity of fish species in the Pengga Dam. The type of research used is descriptive and exploratory. The research population is all types of fish found in the Pengga Dam, and the research sample is the type of fish caught by fishermen in the Pengga Dam. The data collection techniques in this study were carried out by observation, sampling, morphological analysis techniques based on literature reviews, documentation, and collection. The data on fish types that have been obtained are continued to calculate the diversity index using the Shannon-Wiener diversity index formula (Hʹ = -∑pi ln pi). Based on the data from the research results, a total of 381 individuals were obtained from 5 points with 3 takes, and identified in a total of 4 species (Oreochromis niloticus, Pterygoplichthys multiradiatu, Channa striata, and Barbonymus gonionotus) which belong to 2 classes (Actinopterygii and Osteichthyes), 3 orders (Peciformes, Siluformes, and Cypriniformes), 4 families (Chichlidae, Loricariidae, Channidae, and Cyprinidae), 4 genera (Oreochromis, Pterygoplichthys, Channa,  and Barbonymus). From the results of the data analysis, it can be concluded that the index of fish species diversity in the Pengga Dam with three sampling times is classified as low.
Evaluasi Potensi Tumbuh Benih 21 Varietas Padi melalui Analisis Principal Component Analysis (PCA) dan Korelasi Izhar, M.; Munawarrah, Munawarrah; Ma’arif, Samsul; Arinda, Dela
Biocaster : Jurnal Kajian Biologi Vol. 6 No. 1 (2026): January
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v6i1.903

Abstract

Seed quality is a key factor in determining the success of germination and productivity of rice plants. This study aims to evaluate the seed growth potential of 21 rice varieties (Oryza sativa L.) consisting of local, national, and introduced varieties through correlation analysis and Principal Component Analysis (PCA). Four parameters observed include Maximum Growth Potential (PMP), Germination Power (DB), Plumule Length (PP), and Radicle Length (PR). The study was conducted at the Biology Laboratory, Satya Terra Bhinneka University, using a completely randomized design with three replications. The analysis results showed significant variations among varieties for all observed parameters. The PCA value showed that two principal components (PC1 and PC2) explained 78.1% of the total variability. The PTM and DB parameters had high negative loadings on PC1, indicating that this component represents seed viability, while PP and PR had positive loadings on PC2, which described the morphological vigor of the seedlings. The Sigupai, Tinggong, and Inpago 12 varieties were in the quadrant with negative PC1 and positive PC2 values, indicating a combination of high viability and strong seedling growth. Correlation analysis showed a very strong positive relationship between PTM and DB (r = 0.98; p < 0.001), while the correlation between physiological and morphological parameters was weak. Thus, PCA and correlation analysis proved effective in identifying superior rice varieties based on seed viability and vigor traits, potentially supporting variety selection in rice seed management and development.
Efektifitas Uji Adaptasi Tanaman Teratai, Eceng Gondok, dan Kangkung dalam Menurunkan Kadar COD, BOD, dan DO dalam Limbah Domestik Matolisi, Elizabet; Alimin, Alimin; Marlini, Marlini
Biocaster : Jurnal Kajian Biologi Vol. 6 No. 1 (2026): January
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v6i1.912

Abstract

Microbiological pollution of river water is one of the major risks to public health. Escherichia coli is used as an indicator of fecal contamination in waters. The Aur River is a tidal river in Palembang City that receives domestic waste runoff from the activities of the surrounding community. This study aims to analyze the total concentration of coliform and identify the dominant coliform type in the Aur River. The research was carried out along 2.5 km with three observation stations (upstream, middle, and downstream). Water sampling was carried out at five points at each station, and coliform analysis referred to SNI 3554. The results showed that the total coliform concentration at the upstream station was 5.24 × 10⁶ ± 1.1 × 10⁵ CFU/100 mL, the middle station was 1.1 × 10⁴ ± 5.5 × 10² CFU/100 mL, and the downstream station was 9.2 × 10⁶ ± 1.1 × 10⁵ CFU/100 mL, all of which exceeded the quality standard of 5 × 10³ CFU/100 mL. The dominant coliform types identified include Klebsiella pneumoniae, Proteus mirabilis, Escherichia coli, and Enterobacter sp. These results show that the Aur River has experienced significant microbiological pollution, so efforts to control and manage water quality in a sustainable manner are needed.
Performan Produksi dan Kualitas Kuning Telur Ayam Ras yang Diberikan Pakan Fermentasi Permadi, Hari; Gunadi, Sahrul
Biocaster : Jurnal Kajian Biologi Vol. 6 No. 1 (2026): January
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v6i1.920

Abstract

This study aims to determine the effect of the application of fermented walking mill rice bran using Effective Microorganisms (EM4). The observed parameter is the quality of purebred chicken yolks. The research was carried out through three stages, namely the comparison of the nutritional quality of DPPB with factory bran, DPPB fermentation with three EM4 formulations, and the application of fermented DPPB in purebred chickens. The results showed that the nutritional content of DPPB was lower than the quality standards of factory bran, especially in the protein content. The fermentation process increased the protein content of DPPB by 1.2%. The application of fermented DPPB resulted in the highest protein content in the P4 treatment (13.2%), the highest fat content in the P3 treatment (5.6%), and the highest cholesterol content in the control treatment (56.2%). Thus, DPPB fermentation using EM4 has the potential to increase the nutritional value of bran as an alternative feed ingredient for purebred chickens.
Analisis Kadar Kafein pada Kopi Liberika (Coffea liberica) Menggunakan Metode Spektrofotometri UV-Vis Prasasti, Azmi; Kustriyani, Anung; Udianto, Abi Mas; Delafani, Ulil
Biocaster : Jurnal Kajian Biologi Vol. 6 No. 1 (2026): January
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v6i1.924

Abstract

Coffee Liberica (Coffea liberica) is one of the coffee varieties that has the potential to be developed, but information on the effect of roasting levels on caffeine content is limited. Meanwhile, caffeine levels are an important parameter that affects quality and sensory characteristics. This study aims to qualitatively identify the presence of caffeine and quantitatively determine caffeine levels in liberica coffee with different roast levels, namely light, medium, and dark roast. The research was conducted experimentally in the laboratory using the Qualitative Test of the Parry method and the quantitative test of the UV-Vis Spectrophotometry method. The sample was in the form of liberica coffee beans at three roasting levels and was repeated three times. The results of the qualitative test showed that all samples of liberica coffee at the three levels of positive roasting contained caffeine which was characterized by the formation of a green color in the Parry test. The results of the quantitative analysis showed that the highest caffeine level was found at the light roast level of 116.412 mg/g, followed by medium at 102.381 mg/g, and the lowest at dark roast at 91.036 mg/g. The decrease in caffeine content as the temperature increases and the length of the roasting time shows that the roasting process has a significant effect on the stability of caffeine. The results of this study are expected to make a scientific contribution to the development of the chemical study of Liberica coffee, as well as become a practical reference for coffee industry players in determining the roasting level according to the characteristics of caffeine.
Pengembangan Lembar Kerja Praktikum Keanekaragaman Hayati untuk Meningkatkan Pemahaman Konsep dan Sikap Peduli Lingkungan Ameliyah, Fita Kharisma; Delia, Hana; Aulia, Hana Marva; Suryanda, Ade; Pusparini, Fitria
Biocaster : Jurnal Kajian Biologi Vol. 6 No. 1 (2026): January
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v6i1.936

Abstract

This research aims to develop a biodiversity Practicum Worksheet (LKP) that is oriented towards improving students' understanding of environmental concepts and attitudes. The research uses the Research and Development (R&D) method with a 4D model that is limited to the development stage. The development stages include analysis of learning needs, design of LKP structures, and product validation by experts. Data was obtained from the validation results and analyzed descriptively to determine the feasibility level of the product. The validation results showed that the LKP developed was in the category of feasible use with a feasibility percentage of 77%. However, there are several aspects that still need improvement, especially in the deepening of the material, linguistic clarity, as well as the completeness and clarity of practicum tools and materials. The LKP developed integrates contextual practicum activities, data analysis, and reflection on environmental care attitudes, so that it has a practical contribution as a biology learning tool that is not only procedural, but also encourages the linkage between observation results and the concept of biodiversity. Thus, this LKP has the potential to support more meaningful learning after improvements are made according to the validator's recommendations.
Pemanfaatan Tanaman Pandanus tectorius pada Aspek Ekonomi Kreatif : Studi Etnobotani pada UMKM di Pandeglang, Banten Sari, Lina Nurahma; Nurfadilah, Nasha; Denero, Bilqis Zalva; Rahmah, Aulia Azizah; Sulistya, Rr. Efya Salma; Fitriana, Desi Eka Nur
Biocaster : Jurnal Kajian Biologi Vol. 6 No. 1 (2026): January
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v6i1.947

Abstract

Pandanus tectorius is a non-timber forest product that has important ecological, cultural, and economic value for coastal communities. This study aims to analyze the utilization of Pandanus tectorius in MSME-based creative industries through an ethnobotanical approach in Banjar District, Pandeglang Regency, Banten. This approach is used to examine local knowledge, processing techniques, and pandan cultural values in the community's economic system. Data was collected through in-depth interviews, observation of the production process, and descriptive analysis. The results show that pandans have been used for generations as the main raw material for various woven products, such as mats, hats, and bags. Based on field findings, pandan handicraft activities involve more than 100 active and growing weavers in the last five years, with a marketing reach to the national level as well as limited-scale exports. However, the development of pandan crafts still faces obstacles in the form of limited raw materials due to land conversion, the lack of regeneration of young artisans, and limited production technology. These findings affirm the importance of integrating ethnobotanical knowledge in strengthening MSMEs and developing a sustainable pandan creative industry.

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