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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 302 Documents
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Perilaku Pemakaian Plastik Sekali Pakai oleh Mahasiswa dalam Aktivitas di Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Mataram Baiq Yuni Ariati Auliya; Heppy Tasya Pibiputri; Royan Supriyadi; Supardiono Supardiono; Lalu Muhammad Aby Dujana
Biocaster : Jurnal Kajian Biologi Vol. 6 No. 2 (2026): April
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v6i2.1266

Abstract

Single-use plastic remains a major pollution problem in the campus environment. This study aims to analyze the single-use plastic consumption behavior of students in the Faculty of Mathematics and Natural Sciences (FMIPA) at the University of Mataram based on the Theory of Planned Behavior (TPB), including attitudes, subjective norms, perceived behavioral control, intentions, and actual behavior. This study used a descriptive quantitative approach, with 94 students selected through stratified random sampling from six study programs as respondents. Data were collected using a 1–5 Likert scale questionnaire and analyzed descriptively. The results showed that all TPB constructs tended to be in the moderate category, indicating that environmental awareness has been established but has not yet developed into consistent behavioral habits. A similar trend was seen across attitudes, subjective norms, perceived behavioral control, and actual behavior. The Environmental Science Study Program consistently scored higher than other study programs, indicating that an ecologically based academic culture plays a crucial role in establishing stronger social norms, thus enabling environmentally conscious behavior to be realized.
Kajian Etnobotani Pemanfaatan Tumbuhan dalam Praktik Ritual Mecaru di Candi Singosari Kabupaten Malang Auliya Maulida Kasana; Senja Dewi Farahita; Zidni Nafi’atul Ilma; Fahrul Ghani Muhaimin; Nafi’ Windy Kharisma; Syifa Nabila Firdausya; Heni Refdiana; Anas Bagaskara Witanto; Ayu Chandra Mustikasari; Susriyati Mahanal
Biocaster : Jurnal Kajian Biologi Vol. 6 No. 2 (2026): April
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v6i2.1277

Abstract

The use of plants in the Mecaru ritual at Singosari Temple represents an important aspect of local wisdom that is at risk of decline due to limited scientific documentation and the influence of modernization. This study aims to document and examine local community knowledge regarding the use of plants in the Mecaru ritual at Singosari Temple, Malang Regency. The research employed a descriptive qualitative approach, with data collected through observation, semi-structured interviews, and documentation. Informants were selected purposively and expanded using the snowball sampling technique. The results revealed that 11 plant species belonging to 9 families were utilized, with various growth forms including trees, herbs, shrubs, and bushes. The most commonly used plant parts were flowers, followed by leaves and fruits, with most of them used in fresh condition. These plants hold philosophical meanings related to spiritual values, symbols of purity, and expressions of gratitude in community life. In general, the conservation status of these plants has not been widely identified; however, the practice of utilizing local plants reflects efforts toward the sustainable use of resources. These findings highlight the important role of the Mecaru ritual in preserving local wisdom, strengthening ethnobotanical studies, and supporting cultural and environmental sustainability.
Potensi Tumbuhan Sayur sebagai Sumber Pangan Berkelanjutan : Kajian Etnobotani di Desa Ngabab Kabupaten Malang Chita Aura Suko Nisrinadevi; Retno Ayu Saraswati; Dayinta Rombe Paembonan; Fahrul Ghani Muhaimin; Anas Bagaskara Witanto; Ayu Chandra Mustikasari; Nafi’ Windy Kharisma; Syifa Nabila Firdausya; Heni Refdiana; Susriyati Mahanal
Biocaster : Jurnal Kajian Biologi Vol. 6 No. 2 (2026): April
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v6i2.1284

Abstract

Changes in community consumption patterns that tend to reduce the use of local vegetables, so that ethnobotanical studies are needed to document and analyze their potential as a sustainable food source. This study aims to identify the diversity and utilization of local vegetables, as well as analyze the ethnobotanical index based on the knowledge of the Ngabab Village community. This study uses a mixed methods approach with an exploratory sequential design. Data were collected through interviews, observations, documentation, and surveys. The determination of informants and respondents was done purposively. Data analysis was carried out qualitatively using the Miles and Huberman model, and quantitatively using the ethnobotanical index. The results showed that there were 11 local vegetable species from 5 families utilized by the community. The Informant Consensus Factor (ICF) value was 0.98, the RFC value showed the highest result of 0.93 in Brassica oleracea (cabbage) which indicates that this species is the vegetable most utilized by the community. In addition, the highest SUV value was also found in Brassica oleracea at 2.12 which indicates the most dominant level of use compared to other species. The Brassicaceae family had the highest FUV value of 1.41, and the most widely utilized part (PPUV) was the fruit (33.03%). The conclusion of this study is that local vegetables play a vital role in the community's food system and have the potential to support food security and the sustainable preservation of local knowledge.
Validitas E-Modul Biologi Berbasis PBL Isu Lingkungan Lokal Tuban untuk Meningkatkan Kemampuan Berpikir Kritis Siswa Dina Afiya; Dika Agustia Indrati
Biocaster : Jurnal Kajian Biologi Vol. 6 No. 2 (2026): April
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v6i2.1299

Abstract

This study aims to develop a Problem-Based Learning (PBL)-based biology e-module with a local theme from Tuban Regency, focusing on environmental issues. The study used a Research and Development (R&D) model with ADDIE stages limited to analysis, design, and development. The data collection instrument was a validation sheet that assessed the feasibility of the material, systematics, language, and media design and presentation. The results showed that the PBL-based biology e-module with a local theme from Tuban met the criteria of highly valid, with an average score of 81.75% from biology learning media expert validators and 97.5% from science learning material expert validators (biology). Based on these results, the developed e-module is suitable as a supporting teaching material in biology lessons for seventh-grade junior high school students on environmental issues with a local theme.
Pengaruh Model Pembelajaran Terintegrasi Shared terhadap Hasil dan Motivasi Belajar pada Pokok Bahasan Sistem Sirkulasi Siswa Kelas XI di SMAN 4 Samarinda Tahun Pembelajaran 2025/2026 Nur Zahra Al Azizah; Herliani Herliani; Sonja Verra Tinneke Lumowa; Elsje Theodora Maasawet
Biocaster : Jurnal Kajian Biologi Vol. 6 No. 2 (2026): April
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v6i2.1302

Abstract

This study aims to analyze the effect of the shared integrated learning model on student learning outcomes and motivation in the circulatory system topic in grade XI of SMAN 4 Samarinda. This study used a quasi-experimental method with a non-equivalent control group design and purposive sampling technique. The research sample consisted of 25 students in the experimental class and 25 students in the control class. The research instruments were a learning outcome test and a learning motivation questionnaire. Data analysis was conducted using the N-gain test and independent sample t-test at a significance level of α = 0.05. The results showed that the N-gain of learning outcomes in the experimental class was 0.61 (medium category) higher than the control class at 0.31 (low category). The N-gain of learning motivation in the experimental class was 0.20 (low category) also higher than the control class at 0.04 (very low category). The results of the hypothesis test showed a significance value <0.05, so the shared integrated learning model has a significant effect on student learning outcomes and motivation in the circulatory system topic.
Deteksi Resistensi Isolat Bakteri Salmonella sp. dari Feses Segar Ayam Petelur (Gallus gallus domesticus) terhadap Antibiotik Widia Restu; Candra Dwi Atma; Yeti Kurniasih; Kholik Kholik
Biocaster : Jurnal Kajian Biologi Vol. 6 No. 3 (2026): July
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v6i3.1199

Abstract

Antibiotic resistance is a global problem that connects human and animal health. This resistance occurs when bacteria acquire genes that allow them to survive when exposed to antibiotics. Wanasaba District, East Lombok is one of the districts that has a large population of laying hens, one of the infectious diseases that often attacks poultry and is treated using antibiotics is salmonella sp. This study aims to detect the resistance of Salmonella sp. bacterial isolates derived from fresh feces of laying hens (Gallus gallus domesticus) to antibiotics. This study is a laboratory experimental study conducted in November 2025 with a total of 3 samples of fresh feces of laying hens taken using a purposive sampling method. Bacterial isolation was carried out using Xylose Lysine Deoxycholate (XLD) agar media, then identified using biochemical tests to confirm the presence of Salmonella sp. Antibiotic resistance tests were carried out using the Kirby-Bauer disc diffusion method using 30 μg tetracycline antibiotics, 10 μg gentamicin, and 5 μg enrofloxacin. The results showed that all Salmonella sp. isolates from the three samples demonstrated 100% sensitivity to the three types of antibiotics tested. These results indicate that Salmonella sp. isolates in laying hens at the study site have not yet developed resistance to the antibiotics used. However, monitoring antibiotic use and implementing good farm management are still necessary to prevent the emergence of bacterial resistance in the future.
Pengaruh Model Pembelajaran Reading, Mind Mapping, dan Sharing Berbantuan Media Flipbook terhadap Kemampuan Literasi Digital pada Mata Pelajaran Biologi Siswa Kelas XI SMA Negeri 11 Samarinda Syarifah Aisyah Anugrah Syam; Vandalita Maria Magdalena Rambitan; Akhmad Akhmad; Nelda Anasthasia Serena
Biocaster : Jurnal Kajian Biologi Vol. 6 No. 3 (2026): July
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v6i3.1306

Abstract

Monotonous learning makes students accustomed to receiving information without searching, evaluating, and processing information independently. This condition has an impact on students' low digital literacy skills. Digital literacy skills are students' abilities to access, understand, evaluate, and use digital information to support the learning process. One effort that can be done is to apply various methods and media in the learning process. A model that can meet these needs is the Reading, Mind Mapping, and Sharing (RMS) learning model. This study aims to examine the effect of implementing the RMS learning model assisted by flipbook media on digital literacy skills in biology subjects of grade XI students of SMAN 11 Samarinda. This study uses a quantitative method using a nonequivalent control group pretest-posttest design with a purposive sampling technique and a sample of 50 students. The instrument analysis technique used is the expert validation test, while the data analysis technique used is the N-Gain test and the independent sample t-test. The N-Gain test of the digital literacy questionnaire in the experimental class was 0.3 with a medium category, while in the control class it was 0.02 with a low category. Furthermore, the results of the independent sample t-test on the digital literacy questionnaire showed a p-value <0.001. Thus, it can be concluded that the flipbook-assisted RMS learning model has an effect on digital literacy skills in biology among eleventh-grade students at SMAN 11 Samarinda. These findings indicate that the flipbook-assisted RMS model is effective in improving students' digital literacy skills through reading activities, concept mapping, and collaborative information sharing.
Efektivitas Model Teams Games Tournament Berbantuan Game Monopoli dalam Meningkatkan Hasil Belajar dan Keaktifan Siswa Kelas VII di SMP Negeri 48 Samarinda Rosinta Rosinta; Vandalita Maria Magdalena Rambitan; Dora Dayu Rahma Turista; Suparno Putera Makkadafi; Nelda Anasthasia Serena
Biocaster : Jurnal Kajian Biologi Vol. 6 No. 3 (2026): July
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v6i3.1310

Abstract

This study aims to determine the effectiveness of the team games tournament learning model assisted by the monopoly game in improving student learning outcomes and activeness in the material of classification of living things for grade VII at SMP Negeri 48 Samarinda. The selection of this school was based on the problems found, namely the learning process that still tends to be teacher-centered, low student participation in learning activities, and the existence of a school policy that does not allow students to bring mobile phones, thus limiting the use of digital learning media in the classroom. The method used was a quasi-experiment with a pretest–posttest control group design, with samples determined through cluster random sampling techniques, so that two classes were obtained, namely the experimental class and the control class, each consisting of 24 students. The research variables included cognitive learning outcomes and student activeness, with instruments in the form of tests (pre-test and post-test) and an activeness questionnaire. Data analysis was carried out using normality tests, homogeneity tests, and independent sample t-tests. The results showed that the average pre-test scores for both classes were relatively similar, while the average post-test scores for the experimental class were higher than those for the control class. The percentage of student activity in the experimental class was in the very active category, while the percentage of student activity in the control class was in the active category. The t-test results showed a significance value of 0.000 < 0.05, indicating a significant difference between the two classes. Thus, the Monopoly game-assisted team games tournament learning model is effective in improving student learning outcomes and engagement.
Hubungan Pengetahuan Lingkungan dengan Sikap Peduli Lingkungan pada Siswa SMP Negeri 40 Samarinda Putriyanni Putriyanni; Vandalita Maria Magdalena Rambitan; Ruqoyyah Nasution; Suparno Putera Makkadafi; Masitah Masitah
Biocaster : Jurnal Kajian Biologi Vol. 6 No. 3 (2026): July
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v6i3.1311

Abstract

This study aims to determine the relationship between environmental knowledge and environmental awareness among students of SMP Negeri 40 Samarinda. Awareness of the importance of protecting the environment needs to be instilled from an early age through increasing knowledge and developing environmental awareness among students. Lack of environmental awareness, such as littering and not maintaining school cleanliness, shows the importance of environmental knowledge in developing students' environmental awareness. This study was conducted to examine the relationship between environmental knowledge and environmental awareness among students of SMP Negeri 40 Samarinda. This study used a quantitative approach with a correlational method. Data collection was carried out through questionnaires given to students as research respondents. The data obtained were analyzed using normality tests and correlation hypothesis tests. The results showed that the data were normally distributed. Based on the results of the hypothesis test, a correlation coefficient value of 0.345 was obtained, which is included in the low category, thus indicating a low positive relationship between environmental knowledge and students' environmental awareness. This positive relationship indicates that the higher the students' environmental knowledge, the better the environmental awareness they have. However, the low correlation value indicates that environmental knowledge does not fully influence students' environmental awareness, as other factors contribute, such as habits, the surrounding environment, and the inculcation of environmentally conscious behavior in daily life. Therefore, supporting efforts through environmental education and programs in schools are needed to optimally develop students' environmental awareness and attitudes.
Evaluasi Suhu dan Kelembapan Udara terhadap Produktivitas Padi dan Ubi Kayu di Kabupaten Serdang Bedagai Dela Arinda; M. Izhar; Annida Fauziyyatul Afifi; Safrizal Safrizal
Biocaster : Jurnal Kajian Biologi Vol. 6 No. 3 (2026): July
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v6i3.1317

Abstract

Changes in climate elements such as air temperature and humidity have the potential to affect food crop productivity. This study aims to analyze the relationship and influence of average temperature, maximum temperature, minimum temperature, and air humidity on rice and cassava productivity in Serdang Bedagai Regency for the period 2014–2023. Productivity data were obtained from the Central Statistics Agency (BPS), while temperature and dew point data came from ERA5 developed by the European Centre for Medium-Range Weather Forecasts (ECMRWF). Air humidity was calculated using the Magnus–Tetens equation. The analysis was carried out using correlation and multiple linear regression. The results showed that the relationship between climate factors and crop productivity tended to be weak to moderate. In rice, minimum air temperature had a moderate negative correlation (r = -0.54), while humidity had a fairly strong positive correlation (r = 0.68). In cassava, minimum air temperature had a weak negative correlation (r = -0.32), while humidity had a moderate positive correlation (r = 0.55). The regression results indicate that climate factors simultaneously had no significant effect on rice productivity (p = 0.573; R² = 0.39) or cassava (p = 0.483; R² = 0.446). This finding suggests that air temperature and humidity make limited contributions and have not yet demonstrated a statistically significant effect on crop productivity in Serdang Bedagai Regency.

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