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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 314 Documents
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Pengaruh Pendekatan Deep Learning Berbasis Etnosains terhadap Hasil Belajar Siswa Huriana Huriana; Akhmad Sukri; Agus Muliadi; Sri Nopita Primawati
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.v6i3.1642

Abstract

Students' low level of understanding regarding biological concepts may stem from a lack of connection between learning materials and real-life contexts or local wisdom within their immediate environment. Therefore, instructional innovation is needed to link scientific concepts with local knowledge through an ethnoscience-based deep learning approach. This study aims to determine the effect of an ethnoscience-based deep learning approach on student learning outcomes in biology. A quantitative approach was employed using a quasi-experimental method with a pretest-posttest control group design. The sample consisted of 34 Grade X students from SMA Islam Al-Azhar NW Kayangan (2025/2026 academic year), selected via total sampling and divided into an experimental group (18 students) and a control group (16 students). An essay-based learning outcome test served as the research instrument, and data analysis was conducted using a one-way ANOVA test. The results indicate a difference in learning outcomes between the experimental and control groups following the intervention. The experimental group's mean pretest score was 53.68, rising to 68.16 in the posttest, while the control group's mean pretest score was 32.81, rising to 56.88 in the posttest. The one-way ANOVA test yielded a significance value of 0.000 (< 0.05); thus, the null hypothesis (H0) was rejected and the alternative hypothesis (H1) was accepted. This demonstrates that the ethnoscience-based deep learning approach has a significant impact on students' biology learning outcomes. The novelty of this research lies in the application of a deep learning approach integrated with ethnoscience rooted in local wisdom as a contextual and meaningful biology learning strategy for students.
Identifikasi Bakteri Escherichia coli pada Sumur Gali Warga Dusun Penemung Kabupaten Sumbawa dalam Penyusunan Buku Petunjuk Praktikum Mikrobiologi Layyina Annisa Syafar; Sri Nopita Primawati; Husnul Jannah
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.v6i3.1650

Abstract

Dug well water remains a primary source for meeting the daily water needs of many communities. However, the quality of dug well water can be influenced by environmental sanitation conditions, creating a potential risk of contamination by fecal indicator bacteria such as Escherichia coli. This study aimed to identify the presence of Escherichia coli in dug well water used by residents of Penemung Hamlet, Simu Village, Sumbawa Regency, and to develop and validate a research-based microbiology laboratory manual. An exploratory descriptive method was employed, involving sampling from ten dug wells. Bacterial isolation was performed using Eosin Methylene Blue Agar (EMBA) medium, followed by colony morphology identification, Gram staining, and IMViC biochemical testing. The laboratory manual was developed using the 4D model (up to the "develop" stage) and validated by media, language, and subject matter experts using Aiken's V index. The results showed that Escherichia coli was not detected in any of the samples using the employed methods. Based on morphological characteristics, Gram staining, and IMViC reaction patterns, the isolates were presumptively identified as Salmonella sp., Pseudomonas aeruginosa, and Citrobacter freundii. These identifications remain presumptive, as they have not yet been confirmed via molecular methods or automated bacterial identification systems. Validation results for the laboratory manual yielded Aiken's V scores of 0.86 for the media aspect (highly valid), 0.86 for the language aspect (highly valid), and 0.56 for the content aspect (valid). Consequently, the developed laboratory manual is deemed suitable for use as a supplementary resource for microbiology practical learning.
Karbon Biru pada Ekosistem Mangrove : Dinamika, Kapasitas Penyimpanan, dan Implikasinya terhadap Mitigasi Perubahan Iklim Pahmi Husain; Muhammad Shohibul Ihsan; Raden Didi Kuswara; Khaerul Ihwan; Dwi Kartika Risfianty; Irna Il Sanuriza; Ishmah Humaidatul Aminah Zaim Alyaminy; Baiq Naili Dewi Atika
Biocaster : Jurnal Kajian Biologi Vol. 5 No. 4 (2025): October
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v5i4.877

Abstract

The purpose of this study is to comprehensively examine the role of blue carbon in mangrove ecosystems, with an emphasis on the capacity and dynamics of carbon storage. This research is library research, with the PRISMA approach. Literature search is carried out systematically through several major scientific databases, namely Google Scholar, ScienceDirect, and SpringerLink. The literature selection process was carried out by referring to the principle of Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA). The selection stage includes article identification through the database, initial screening by removing duplicate articles, relevance assessment based on titles and abstracts, and feasibility evaluation through full text review. Data analysis was carried out descriptive-quantitative through the narrative synthesis method. The results of the study show that the mangrove ecosystem is one of the main components of blue carbon with a very high carbon storage capacity, especially in sediment compartments that are stable in the long term. The dynamics of mangrove blue carbon are influenced by the interaction between biological, physical, and chemical processes, such as vegetation productivity, litter accumulation, and sediment trapping by mangrove root systems. The carbon storage capacity of mangrove ecosystems varies between regions and is influenced by biotic and abiotic factors, including species composition, age and stand density, hydrological conditions, and substrate type. In addition to serving as carbon sinks and stores, mangrove ecosystems have strategic implications in climate change mitigation as nature-based solutions. However, the degradation and conversion of mangrove land have the potential to release stored carbon into the atmosphere and reduce mitigation capacity in the future. So that the conservation and sustainable management of mangroves is an important step in maintaining the function of blue carbon and supporting climate change mitigation efforts.
Identifikasi Cadangan Biji di Resort Mallawa Taman Nasional Bantimurung-Bulusaraung Maros Sulawesi Selatan Aulia Rakhmadhani; Aswar Rustam; Kurnia Makmur
Biocaster : Jurnal Kajian Biologi Vol. 6 No. 4 (2026): October (In Progress)
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v6i4.1423

Abstract

Seed reserves are an important indicator in community ecology studies, as they reflect the potential for vegetation regeneration in a habitat. This study aimed to identify the composition of seed reserves and evaluate their relationship with the community structure of mature trees in Mallawa Resort, Bantimurung Bulusaraung National Park, Maros, South Sulawesi. Data collection was carried out by establishing three main plots measuring 20m × 20m, each containing five sub-plots measuring 5m × 5m. Soil samples were composited and germinated in polybags for 40 days of observation. Data analysis used the Shannon-Wiener Diversity Index (H'), Margalef Richness Index (R), and Pielou Evenness Index (E). The results showed that a total of six seed species were found at the Mallawa Resort: candlenut (Aleurites moluccanus L.), nutmeg (Myristica fragrans), coffee (Coffea arabica), songi (Dillenia celebica), palm (Ochrosia oppositifolia), and cardboard palm (Zamia furfuracea). The mature tree community had an H' value of 2.20 (moderate diversity), R = 10.71 (high richness), and E = 0.92 (high evenness). Myristica fragrans was the most dominant species in the seed bank (57%), but its presence was disproportionate to its dominance in the mature community, indicating differences in regeneration strategies between species. These findings provide basic information for ecosystem restoration management and planning in the area.
Keragaman Jenis-jenis Burung yang Diperjualbelikan di Pasar Burung Kota Palembang Eva Irna Permata Sari; Trimin Kartika; Dian Mutiara
Biocaster : Jurnal Kajian Biologi Vol. 6 No. 4 (2026): October (In Progress)
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v6i4.1461

Abstract

Bird trade is one of the animal exploitation activities that is still widely found in Indonesia and has the potential to affect the sustainability of bird populations in nature. This study aims to identify the diversity of bird species traded at the Bird Market on Jalan Masjid Lama, 17 Ilir Village, Palembang City. The study was conducted for four weeks in March–April 2026 using a descriptive survey method with direct observation, interview, and documentation techniques. Identification of bird species was carried out based on morphological characters using a Sumatran bird field guide book. The results showed that there were 16 bird species classified into 5 orders, 10 families, and 15 genera. The order Passeriformes was the most dominant group with 8 species (50%), followed by Columbiformes with 4 species (25%), Psittaciformes with 2 species (12.5%), while Piciformes and Cuculiformes each had 1 species (6.25%). Based on their protection status, 15 species were not protected and 1 species was protected, namely the white starling (Acridotheres melanopterus). The high prevalence of songbirds demonstrates the public's strong interest in pet birds and songbirds. The presence of protected species in the trade indicates the need for increased monitoring and conservation education to support the preservation of bird biodiversity in Indonesia.
Analisis Validitas E-Modul Berbasis Problem Based Learning pada Materi Sistem Reproduksi Manusia Ditya Pranata Kasim; Hartono Mamu; Djuna Lamondo; Mustamin Ibrahim; Nur Mustaqimah
Biocaster : Jurnal Kajian Biologi Vol. 6 No. 4 (2026): October (In Progress)
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v6i4.1481

Abstract

This research is motivated by the limited use of interactive digital teaching materials in biology learning, especially on the human reproductive system material, so that students are less actively involved in the learning process and have difficulty in understanding the concept in depth. This research uses a development method (research and development) which is limited to the product validation stage with a quantitative descriptive approach focused on product validity analysis with the aim of determining the level of validity of problem-based learning-based e-modules on the human reproductive system material. The resulting product is a problem-based learning-based e-module compiled using Canva and presented in the form of a flipbook. The data sources in this study consist of material expert validators and media expert validators who provide an assessment of the validity of problem-based learning-based e-modules on the human reproductive system material. The research data were obtained through a validation questionnaire given to the validators using a Likert scale, while the data analysis technique was carried out descriptively quantitatively by calculating the percentage of the product validity level. The results showed that validation by material experts obtained a percentage of 92.5% with a very valid category, while validation by media experts obtained a percentage of 82.5% with a very valid category. Based on the validation summary, an average percentage of 87.5% was obtained, categorized as highly valid. Based on these results, it can be concluded that the problem-based learning e-module on the human reproductive system is highly valid and suitable for use as a biology teaching material.
Keanekaragaman Pohon Lokal di Kawasan Riparian Sungai Ciliwung Kota Depok serta Peranannya dalam Menjaga Ekosistem Perairan Zahra Lutfiana; Noer Sarifah Ainy; Nestiyanto Hadi
Biocaster : Jurnal Kajian Biologi Vol. 6 No. 4 (2026): October (In Progress)
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v6i4.1498

Abstract

This study aimed to analyze the diversity and community structure of local tree species in the riparian area of the Ciliwung River, Depok City. An exploratory survey was conducted through vegetation observations at ten sampling sites within the riparian zone. Data were collected through field observations, species identification, and documentation, and were analyzed using Relative Density (RD), Relative Frequency (RF), Important Value Index (IVI), the Shannon–Wiener Diversity Index (H'), Evenness Index (E), and Dominance Index (C). The results identified 42 local tree species belonging to various plant families. The most abundant species were Terminalia catappa (Ketapang) and Roystonea regia (Royal Palm). The Shannon–Wiener diversity index ranged from 1.21 to 2.16, indicating low to moderate diversity. The evenness index ranged from 0.85 to 0.98, while the dominance index ranged from 0.08 to 0.33. These findings indicate that the riparian vegetation community is relatively stable and does not exhibit significant dominance by any particular species. The presence of local vegetation in the riparian area plays an important ecological role in reducing erosion, maintaining water quality, and providing habitat for various organisms.
Analisis Struktur Komunitas Makrozoobentos dan Pendekatan Etnoekologi sebagai Bioindikator Ekosistem Air Tawar di Sungai Meninting, Lombok Barat Elsa Asnawati; Nurlita Lestariani; Selbi Geofanami; Aulia Amanda Salsyabillah
Biocaster : Jurnal Kajian Biologi Vol. 6 No. 4 (2026): October (In Progress)
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v6i4.1504

Abstract

This study aimed to analyze the structure of macrozoobenthos communities as bioindicators of water quality and to assess the ecological condition of the Meninting River through an ethnoecological approach involving local communities in West Lombok. The study was conducted from January to February 2026 using descriptive quantitative and qualitative approaches. Data analysis included the Shannon-Wiener diversity index (H’), Simpson dominance index (C), EPT richness, and the ratio of sensitive to tolerant organisms, while ethnoecological data were obtained through semi-structured interviews. The results showed that 10 macrozoobenthos species were identified with a total of 164 individuals. Chironomus sp. and Melanoides tuberculata had the highest abundance, each with 24 individuals, indicating the presence of organisms tolerant to habitat changes. The diversity index (H’) value of 2.25 indicated a moderate diversity level, while the Simpson dominance index (C) value of 0.11 indicated no dominant species within the community. The EPT groups identified consisted of Baetis sp., Perla sp., and Hydropsyche sp., with an EPT richness value of 3 taxa and a sensitive-to-tolerant organism ratio of 1.82 indicates that the waters have moderate quality (light pollution). Ethnoecological findings revealed that local communities utilized the river for domestic needs and irrigation and possessed local knowledge regarding changes in river conditions and conservation practices. Overall, the Meninting River has experienced anthropogenic pressure but still supports the presence of sensitive organisms. The integration of macrozoobenthos bioindicators and ethnoecological approaches provides a comprehensive perspective for sustainable river ecosystem management.
Analisis Perbandingan Capaian Pembelajaran Materi Bioteknologi pada KTSP, Kurikulum 2013, dan Kurikulum Merdeka Alfira Eka Putri; Amelia Savitri Zairul; Adi Rahmat; Yanti Hamdiyati
Biocaster : Jurnal Kajian Biologi Vol. 6 No. 4 (2026): October (In Progress)
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v6i4.1505

Abstract

The curriculum changes from KTSP, 2013 Curriculum, to Merdeka Curriculum show the development of Biology learning direction, including biotechnology material. Biotechnology material is important because it is related to the development of science and technology and its application in the fields of food, health, environment, and daily life. This study aims to analyze the comparison of learning outcomes of biotechnology material in KTSP, 2013 Curriculum, and Merdeka Curriculum based on the form of competency formulation, Operational Verbs (KKO) and cognitive level, material depth, and integration of 21st century competencies. The study uses a qualitative descriptive approach with document analysis techniques. Data were obtained from curriculum documents containing Competency Standards and Basic Competencies in KTSP, Core Competencies and Basic Competencies in 2013 Curriculum, and Learning Outcomes in Merdeka Curriculum. The research results show a shift in the KKO (Competency Based Learning) from identifying, explaining, and stating in the KTSP (Curriculum for Advanced Learning) to more complex KKO, such as analyzing, applying, evaluating, and designing in the 2013 Curriculum and the Independent Curriculum. This shift demonstrates an increase in cognitive demands, shifting from basic understanding and application to analysis, evaluation, and creation. In terms of material depth, the KTSP emphasizes basic concepts and conventional biotechnology, the 2013 Curriculum expands the material to applications and modern biotechnology, while the Independent Curriculum focuses on more contextual and integrative learning through the interconnectedness of concepts, technology, the environment, and real-life issues. The integration of 21st-century competencies is also increasingly strong, demonstrated by an emphasis on critical thinking, creativity, collaboration, communication, problem-solving, scientific literacy, and reflection on bioethical issues. Thus, biotechnology learning outcomes have gradually evolved from an orientation toward mastery of concepts to more complex, contextual, and integrative learning oriented toward the development of 21st-century competencies.
Development of Research-Based Macroscopic Pathogenic Fungi Teaching Materials: An Innovation to Improve Biology Learning in High Schools Masdaleni Nasution; Idramsa Idramsa; Ashar Hasairin
Biocaster : Jurnal Kajian Biologi Vol. 6 No. 4 (2026): October (In Progress)
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v6i4.1508

Abstract

Biology learning in Kotapinang State Senior High School heavily relies on conventional textbooks that lack local context, creating a gap between curriculum content and the students' plantation environment. While applied mycological studies on local oil palm pathogens exist, their integration into high school biology media remains unexplored. This study aims to bridge this gap by developing an innovative pocket book on macroscopic pathogenic fungi based on authentic local research. Utilizing the Research and Development (R&D) approach with the 4D model (limited to the Develop stage), the prototype underwent rigorous validation by material, learning, and design experts. Practicality was assessed by biology teachers, followed by a small-scale trial involving 15 grade 11 students selected via random sampling. The trial procedure required students to review the pocket book’s readability and layout through guided skimming, after which their user experience was evaluated using a structured practicality questionnaire. Expert validation results ranged from 85.88% to 96.36%, indicating very high validity. The practitioner assessment yielded a highly positive response (100%), while the student evaluation achieved 85.74%, placing it in the very practical category. This product has the potential to contextualize biology learning by integrating local research findings, serving as a suitable way to provide contextual supplementary learning materials in schools based in plantation areas.

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