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Bioscientist : Jurnal Ilmiah Biologi
Published by Universitas Pendidikan Mandalika
ISSN : 23385006     EISSN : 26544571     DOI : https://doi.org/10.33394
Core Subject : Science, Education, Agriculture, Social,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Immunology & microbiology Social Sciences
Bioscientist : Jurnal Ilmiah Biologi (BJIB), receiving and publishing article in the form of research (scientific article) in the field of biology education and utilization of biological research in learning. Moreover, this journal bridges the gap between research and practice, providing information, ideas and opinion, in addition to critical examinations of biology research and teaching. 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. Special emphasize are as follow: 1. Research on Learning Biology (Biology Learning Materials at All Education Levels). 2. Pure Research of Biology Developed or Studied to the Sources, Materials, or Instructional Media Biology (Biology Learning Materials at All Education Levels and Application in Society). 3. Curriculum of Biology Education at all Education Levels. 4. Class Action Research (CAR) and Lesson Study in Biology. 5. Other Qualitative Research of Biology Education. 6. The School Management and Biology/Science Laboratory Management. 7. Biology Learning Evaluation. 8. Teacher Professional Issues/Trends in Biology Education. 9. Another Study for the Scope of Biology Education. 10. Research on Environmental Education.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 1,428 Documents
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Pengembangan Modul Pencemaran Udara Berbasis SETS (Science, Environment, Technology and Society) Terhadap Kemampuan Berpikir Kritis Siswa Siregar, Putri Febiola; Hasruddin; Harsono, Tri
Bioscientist : Jurnal Ilmiah Biologi Vol. 13 No. 4 (2025): December
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v13i4.19457

Abstract

This study aims to develop and examine the effect of a SETS-based (Science, Environment, Technology, and Society) Air Pollution Module in improving students’ critical thinking skills and scientific attitudes f tenth-grade students at SMA Muhammadiyah 1 Medan. The research employed a Research and Development (R&D) method using the ADDIE model, which consists of analysis, design, development, implementation, and evaluation stages. The research instruments included test and non-test instruments, namely a modified BSNP-standard validation sheet and essay questions. The validation results indicate that the module is in the very feasible category, with average scores of 4.68 from material experts, 3.60 from media experts, and 4.00 from language experts. The results of classroom implementation show that the SETS-based module can improve students’ critical thinking skills, with an N-Gain score of 0.51 (moderate category). Furthermore, there is a significant effect of using the module on students’ critical thinking skills. Therefore, the SETS-based air pollution module is suitable for use as teaching material to support meaningful and contextual learning.
The Utilization of the PlantNet Application in Biology Learning and Its Impact on Senior High School Students’ Learning Retention Sepriana; Chastanti, Ika; Nazliah, Rahmi
Bioscientist : Jurnal Ilmiah Biologi Vol. 14 No. 1 (2026): March
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v14i1.19466

Abstract

This study aimed to determine students’ retention levels before and after the implementation of the PlantNet application and to analyze the effect of the PlantNet application on students’ retention in biology learning at SMA Negeri 1 Aek Natas. The study employed a quantitative approach with descriptive analysis. The research participants consisted of 61 tenth-grade students, including 31 students from class X2 and 30 students from class X3. The research instruments included a questionnaire measuring students’ perceptions of the use of the PlantNet application and a retention test designed to assess short-term retention, long-term retention, and conceptual understanding. The collected data were analyzed using percentage analysis to determine the achievement level of each indicator.The results indicated that the use of the PlantNet application was categorized as very good, with the ease-of-use indicator reaching 91.7% and the usefulness in learning indicator reaching 88.8%. Regarding student retention, short-term retention reached 83.4%, long-term retention reached 84.2%, and conceptual understanding reached 84.6%, all of which were classified as good. These findings suggest that the PlantNet application is not only easy to use and beneficial for biology learning but also contributes to strengthening students’ memory retention and improving their conceptual understanding of the learning material. Therefore, the integration of the PlantNet application has strong potential to serve as an effective instructional medium for enhancing students’ retention in biology learning.
Identifikasi Jenis-jenis Tumbuhan Mangrove di Pantai Kaili Desa Boyantongo Kecamatan Parigi Selatan Ningsi, Nur Seftia; Alibasyah, Lestari M.P.; Febriani, Vita Indri; Nurdin, Musdalifah; Buntu, Amalia; Febriawan, Aan
Bioscientist : Jurnal Ilmiah Biologi Vol. 13 No. 4 (2025): December
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v13i4.19528

Abstract

This study aimed to identify mangrove species occurring in Kaili Beach, Boyantongo Village, South Parigi District. The research employed a descriptive method with a qualitative approach using a field exploration survey. Species identification was conducted based on observations of morphological characteristics, including roots, stems, leaves, flowers, and fruits, supported by measurements of environmental physical parameters such as air temperature (28 °C), salinity (32 ppt), soil pH (7), water pH (6.2), and relative humidity (72% RH). The results revealed that the mangrove vegetation at Kaili Beach comprised five orders, namely Malpighiales, Myrtales, Lamiales, and Sapindales, and four families, including Rhizophoraceae, Lythraceae, Acanthaceae, and Meliaceae. A total of eight mangrove species were identified: Rhizophora apiculata Blume, Rhizophora mucronata Lamk., Ceriops tagal (Perr.) C.B.Rob., Bruguiera gymnorrhiza (L.) Lamk., Sonneratia alba Smith., Avicennia marina (Forsk.) Vierh., Xylocarpus moluccensis Pierre., and Xylocarpus granatum J. Koenig. The presence of these mangrove species indicates that the physical and chemical parameters of Kaili Beach remain within the ecological tolerance range for mangrove growth. However, the slightly acidic water pH (6.2) suggests that habitat conditions are not yet fully optimal.
Ketahanan Luntur Warna Pewarna Alami Berbasis Propagul Rhizophora mucronata: Pengaruh Variasi Pencelupan dan Jenis Fiksator Nabilla, Riska Ayu; Nugroho, Ary Susatyo; Ulfah, Maria
Bioscientist : Jurnal Ilmiah Biologi Vol. 13 No. 4 (2025): December
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v13i4.19545

Abstract

This study aims to analyze the effect of variations in the number of dips and types of fixatives, as well as their interaction, on the color fastness of batik fabrics dyed using natural dyes based on Rhizophora mucronata propagules. The study used a quantitative approach with an experimental method and a two-factor factorial design, namely variations in the number of dips (3 times, 6 times, and 9 times) and the type of fixative (alum and iron mordant). The parameter observed was color fastness to washing based on the SNI ISO 105-C06:2010 standard. The data were analyzed using the nonparametric Aligned Rank Transform Analysis of Variance (ART ANOVA) test. The results showed that (1) the variation in the number of dips did not significantly affect the color fastness of batik fabric; (2) the type of fixative used also did not have a significant effect; and (3) there was no interaction between the variation in the number of dips and the type of fixative on color fastness. All treatments produced color fastness values in the fair to good category. These findings indicate that under the conditions and range of treatments used, variations in dyeing or the type of fixative did not significantly affect colorfastness, thus requiring further study with a wider range of treatments to optimize the mangrove-based natural dyeing process.
Struktur Populasi, Frekuensi Kasus Penyakit dan Respon Antibodi pada Sapi Lokal dan Kerbau Pampangan Pascavaksinasi Septicaemia Epizootica di Kabupaten Ogan Komering Ilir, Sumatera Selatan Aksi; Mudawamah; Muwakhid, Badat
Bioscientist : Jurnal Ilmiah Biologi Vol. 13 No. 4 (2025): December
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v13i4.19595

Abstract

This study aimed to analyze population structure, disease case frequency, and post-vaccination antibody responses of Pampangan cattle and buffalo following Septicaemia Epizootica (SE) vaccination in Ogan Komering Ilir (OKI) Regency, South Sumatra. The research employed a quantitative longitudinal observational design based on secondary data collected from March to August 2024, including livestock population records, disease cases, vaccination coverage, and antibody test results measured using the ELISA method. Data were analyzed descriptively and inferentially through normality tests, independent t-tests, Mann–Whitney U tests, Chi-Square tests, and Kruskal–Wallis tests according to data distribution. The results indicated significant to highly significant differences in population structure between cattle and buffalo. Cattle populations were higher in total number (35,999 vs. 10,297 head), proportion of calves (17.48% vs. 14.54%) and young stock (25.05% vs. 23.25%), male–female ratio (66.38% vs. 62.03%), and replacement rate (40.61% vs. 38.79%). In contrast, buffalo showed higher proportions of adult animals (62.21% vs. 57.47%), breeding herd (38.84% vs. 35.75%), and potential dams (53.90% vs. 50.26%). Nevertheless, both cattle and buffalo met national standards for sex ratio and replacement indicators. The frequency of SE cases did not differ significantly between species; however, descriptively, increased vaccination coverage was associated with a decline in reported cases. Post-vaccination antibody responses were not significantly influenced by species, breed, or geographical area. In conclusion, SE vaccination proved effective in reducing disease spread and generating consistent immunity across livestock, despite existing differences in population structure.
The Effect of Liquid Organic Fertilizer Derived from Goat Manure and Banana Peel on the Growth of Pakcoy (Brassica rapa L.) Cultivated Using a Hydroponic System Nabila, Sania; Idris, M.
Bioscientist : Jurnal Ilmiah Biologi Vol. 14 No. 1 (2026): March
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v14i1.19642

Abstract

This study aimed to examine the effects of liquid organic fertilizer (LOF) derived from goat manure and banana peels, applied either individually or in combination, on the growth and yield of pakcoy (Brassica rapa L.) cultivated in a hydroponic system as an alternative to the conventional AB mix nutrient solution. The experiment was conducted using a Randomized Block Design) with two treatment factors: goat manure LOF concentrations (0 ml, 30 ml, and 60 ml) and banana peel LOF concentrations (0 ml, 20 ml, and 30 ml). The observed parameters included number of leaves, plant height, leaf width, root length, and fresh weight. Data were analyzed using analysis of variance (ANOVA), followed by Duncan’s Multiple Range Test at a 5% significance level to determine differences among treatments. The results showed that the best single treatment was obtained from the application of 30 ml banana peel LOF at 4 weeks after planting (WAP). Moreover, the combined treatment of 60 ml goat manure LOF and 30 ml banana peel LOF (P2K2) produced the highest and significantly superior results across all observed parameters at 4 WAP, particularly in leaf number, plant height, root length, and fresh weight. These findings indicate that the combined application of banana peel and goat manure LOF effectively enhances the growth and yield of hydroponically cultivated pakcoy. Therefore, this organic fertilizer combination has strong potential to serve as a more economical and environmentally friendly alternative nutrient source for hydroponic cultivation systems.
Inventory of Medicinal Plants Used by the Community of Rano Village, Balaesang Tanjung District, and Their Potential as Biology Learning Media Nunink; Kundera, I Nengah; Budiarsa, I Made; Nurdin, Musdalifah; Febriani, Vita Indri; Masrianih
Bioscientist : Jurnal Ilmiah Biologi Vol. 14 No. 1 (2026): March
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v14i1.19643

Abstract

This study aims to inventory the plant species utilized by the local community as medicinal resources in Rano Village, Balaesang Tanjung Sub-district, and to examine their potential use as instructional learning media. The study employed a descriptive research design with a qualitative approach. Primary data were collected directly through interviews and field observations using a survey method with purposive sampling. Data collection techniques included direct observation, community interviews, and documentation of field findings. In the local context, a traditional healer (sando) plays a significant role as a key informant due to their extensive knowledge regarding the identification and use of medicinal plants. The results of the study revealed that the community utilizes 22 species of medicinal plants belonging to 14 plant families to treat various ailments, including rheumatism, asthma, hypertension, itching, scabies, cough, influenza, and several other health conditions. The plant parts used include leaves, stems, fruits, roots, bark, shoots, sap, and in some cases the entire plant. The preparation and utilization methods commonly practiced by the community include pounding, boiling, topical application, and direct consumption. Based on these findings, the documented information on medicinal plant utilization has strong potential to be developed as instructional media in the form of an educational e-book to support biology learning.
Identification of Medicinal Plant Species Utilized by the Community of Tindaki Village, South Parigi District Sari, Risnila; Alibasyah, Lestari M.P; Febriani, Vita Indri; Febriawan, Aan; Nurdin, Musdalifah; Lilies
Bioscientist : Jurnal Ilmiah Biologi Vol. 14 No. 1 (2026): March
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v14i1.19664

Abstract

This study aims to identify and describe the diversity of medicinal plants utilized by the community of Tindaki Village, South Parigi District, and to document their scientific names, morphological characteristics, plant parts used, and methods of preparation. The research employed a descriptive design with a qualitative approach using exploratory techniques. Data were collected through direct field observations conducted in six hamlets, structured interviews with ten informants consisting of five key informants and five supporting informants, and field documentation. Species identification was carried out through detailed observations of morphological characteristics, including roots, stems, leaves, flowers, and fruits. The identification results were subsequently verified using relevant scientific literature to ensure taxonomic accuracy. The findings revealed a total of 34 medicinal plant species belonging to 23 families and 18 orders. The plant parts most commonly utilized by the community were leaves and rhizomes, followed by fruits, roots, stems, and sap. These plants are traditionally used to treat various health conditions, including fever, cough, diarrhea, diabetes, hypertension, kidney stones, digestive disorders, and skin diseases. In conclusion, the results indicate that Tindaki Village possesses a high diversity of medicinal plants that continue to be actively utilized by the local community. Therefore, sustained conservation and systematic documentation efforts are essential to preserve this valuable ethnobotanical knowledge for future generations.
The Effect of Color and Photoperiod on Body Coloration and Growth of Juvenile Redclaw Crayfish (Cherax quadricarinatus) Sina, Muhammad Ibnu; Syukriah
Bioscientist : Jurnal Ilmiah Biologi Vol. 14 No. 1 (2026): March
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v14i1.19684

Abstract

This study aimed to determine the effects of light color and photoperiod on body coloration and growth performance of juvenile redclaw crayfish (Cherax quadricarinatus). A total of 144 juvenile crayfish were used in an experimental design consisting of six treatments based on two light colors (red and white LEDs) and three photoperiod regimes (6, 12, and 18 hours). The observed parameters included growth performance, survival rate, and changes in body coloration. The results showed that (1) red LED treatment with a 6-hour photoperiod produced the most optimal growth, whereas the 18-hour photoperiod treatment induced stress that led to reduced growth performance; (2) red LED treatments resulted in higher survival rates compared to white LED treatments; and (3) photoperiod significantly influenced changes in body coloration, with juveniles exhibiting blue and brown pigmentation. In conclusion, photoperiod affects affected the growth of juvenile crayfish, with red LED exposure for 6 hours representing representing the optimal condition. Differences in light color contribute to improved survival rates contributed to higher survival rates, while photoperiod plays a role in influencing body color changes played an important role in influencing changes in body coloration.
Comparison of the Growth and Development of Green Spinach (Amaranthus hybridus L.) under Soil Conditions from the Java and Kalimantan Regions Shafira, Riannisa'a; Hastuari, Fitria Alfiyah; Andayani, Anindya Aulya; Role, Rofina Mbale; Indrowati, Meti
Bioscientist : Jurnal Ilmiah Biologi Vol. 14 No. 1 (2026): March
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v14i1.19533

Abstract

This study aimed to compare the growth of green spinach (Amaranthus hybridus L.) cultivated in two different soil types originating from Java and Kalimantan, and to examine the effect of soil pH on plant height. The experiment was conducted over a 21-day period (3–24 November 2025) using a comparative experimental design with a total of eight samples, consisting of four plants in each treatment group. The parameters observed included soil pH, plant height, number of leaves, leaf width, and leaf color. Environmental variables—such as light intensity, water volume, pot size, and seed quantity—were controlled to ensure consistent experimental conditions. The data were analyzed using statistical assumption tests, including the Shapiro–Wilk normality test and Levene’s homogeneity test, followed by linear regression analysis and analysis of covariance (ANCOVA). The results indicated that the data were normally distributed (p = 0.328) and homogeneous (p = 0.575). Regression analysis showed that soil pH had a significant effect on plant height (p = 0.026), whereas soil type did not have a significant effect after controlling for soil pH (ANCOVA, p = 0.089). The mean difference in plant height between soils from Java and Kalimantan was 2.90 cm; however, this difference was not statistically significant. These findings suggest that the growth of green spinach—particularly plant height—is more strongly influenced by environmental factors, especially soil pH, than by differences in soil origin.

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