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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 123 Documents
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Search results for , issue "Vol. 12 No. 1 (2024): June" : 123 Documents clear
Keanekaragaman Spesies Amfibi (Ordo Anura) di Kawasan Taman Wisata Alam Kerandangan Kabupaten Lombok Barat Agustini, Putu Linda; Ilhamdi, Mohammad Liwa; Hadiprayitno, Gito
Bioscientist : Jurnal Ilmiah Biologi Vol. 12 No. 1 (2024): June
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.v12i1.11030

Abstract

Amphibians are vertebrate animals that generally live in humid forest areas. Amphibians can be used as environmental bioindicators because of their sensitivity to environmental changes such as water pollution and destruction of native habitats. Anura is one of the group of amphibians. The occurrence of microclimate changes caused by the dynamics of biotic and abiotic factors can result in changes in the amphibian population in Kerandangan Nature Park. Recording and identifying the presence of amphibians will help maintain limited populations and potentially be managed for the better. The purpose of this study was to analyze the diversity index of amphibian species (order anura) in Kerandangan Nature Tourism Park. The method used is VES (Visual Encounter Survey). The research was conducted in 4 blocks, namely intensive utilization blocks, limited utilization, rehabilitation and protection. Data were analyzed using the Shanon-Wienner diversity index. The results of the study found 3 species of amphibians (order anura) namely Limnonectes kadarsani, Duttaphrynus melanostictus, and Polypedates leucomystax. with an amphibian diversity index (Ordo Anura) in Kerandangan Nature Tourism Park is Hꞌ = 1.07.
Jenis-jenis Makrozoobentos yang Ditemukan di Batang Kuantan Kawasan Wisata Geopark Silokek Kabupaten Sijunjung Ramadhani, Annisa; Widiana, Rina; Abizar, Abizar
Bioscientist : Jurnal Ilmiah Biologi Vol. 12 No. 1 (2024): June
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.v12i1.11075

Abstract

The Kuantan River in the Silokek Geopark Tourism Area, Sijunjung Regency, shows that the condition of the Kuantan River in the Silokek Geopark Tourism Area is a natural and potential tourism area, because the Kuantan River in the Silokek Geopark Tourism Area has become a tourist attraction due to its abundant natural wealth. However, gold mining has caused the Kuantan River water to be categorized as polluted, indicated by its turbidity. This study aims to determine the types of macrozoobenthos found in the Kuantan River within the Silokek Geopark Tourism Area, Sijunjung Regency. This research was conducted from August to December 2023. The research used a descriptive survey method, which included direct observation and sampling at the research site. The sampling technique used was purposive sampling, selecting three research stations. Sample identification was conducted at the Biology Education Laboratory, Universitas PGRI Sumatera Barat. Physicochemical water measurements were carried out at the Laboratory of Standardization and Industrial Services in Gadut, Padang, West Sumatra. The results of the research on the types of macrozoobenthos found in the Kuantan River within the Silokek Geopark Tourism Area, Sijunjung Regency, identified 10 species belonging to 2 classes: Gastropoda and Pelecypoda. Eight species of Gastropoda were found: Tarebia granifera, Thiara scabra, Brotia costula, Tryonia clathrata, Pleurocera acuta, Thiara scabra, Goniobasis livescens, Brotia sp., and 2 species of Pelecypoda: Corbicula manilensis and Pilsbryoconcha exilis.
Pengembangan Flipbook Digital pada Materi Makanan dan Sistem Pencernaan Kelas VIII SMP/MTs A'yun, Tiara Nissa; Titin, Titin; Yeni, Laili Fitri
Bioscientist : Jurnal Ilmiah Biologi Vol. 12 No. 1 (2024): June
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.v12i1.11080

Abstract

Technology-based learning media is an innovative teaching approach that teachers can employ in the learning process. This developmental research aims to assess the feasibility and student response to digital flipbook media using Flip PDF Corporate Edition on the topic of food and digestive systems developed as a learning media for eighth-grade students at SMP Negeri 25 Pontianak. The research method employed is research and development using the ADDIE model. However, this study encompassed only four stages: analysis, design, development, and implementation. The data sources for this research included 15 eighth-grade students from SMP Negeri 25 Pontianak, three Biology teachers from SMP Negeri 25 Pontianak, SMP Negeri 17 Pontianak, and SMP Negeri 04 Sungai Raya, as well as two lecturers from the Department of Biology Education, Faculty of Teacher Training and Education, Tanjungpura University. The validation results of the digital flipbook media yielded a validity score (v) of ≥ 0.87, classified as valid. The inter-rater reliability using ICC obtained a score of 0.737, classified as moderate to good. The student response to the digital flipbook media resulted in a score of 91.11%, classified as very good.
Ketahanan Varietas Padi terhadap Hama Penggerek Batang (Scirpophaga sp.) di Kampung Telaga Sari Kabupaten Merauke Sembiring, Jefri; Wandikbo, Roni; Kusuma, Rangga; Mendes, Johana
Bioscientist : Jurnal Ilmiah Biologi Vol. 12 No. 1 (2024): June
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.v12i1.11089

Abstract

The rice stem borer (Scirpophaga sp.) is a significant pest of rice plants, causing substantial yield losses. This study aimed to assess the growth response of seven rice varieties to stem borer (Scirpophaga sp.) infestation. The research was conducted in Kampung Telaga Sari, Kurik District, Merauke Regency, from October 2022 to January 2023. The experiment followed a Randomized Complete Block Design (RCBD) with seven varieties and three replications per trial. The varieties tested were Inpari 32, Inpari 42, Cakrabuana, Siam-siam, CL 220, Sertani, and Mekongga. Each treatment was replicated three times, resulting in 21 experimental plots, each measuring 3 x 3 m² with a planting distance of 20 x 20 cm, comprising 50 plants per plot. The research findings indicated significant differences in stem borer damage intensity at the 0.01 level of significance. The highest average attack intensity was observed in the Inpari 32 variety (5.44%), while the lowest average attack intensity was found in the Cakrabuana variety (2%).
Eksplorasi Bakteri-bakteri Pemfermentasi dalam Beberapa Produk Tempe di Kota Padang Nurmiati, Nurmiati; Periadnadi, Periadnadi; Jadespi, Sherly; Apriyelita, Annisa
Bioscientist : Jurnal Ilmiah Biologi Vol. 12 No. 1 (2024): June
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.v12i1.11094

Abstract

Tempeh is one of Indonesia's traditional foods produced through the microbial fermentation process of Rhizopus. It has become a favorite among the community, typically cooked before consumption. The fermentative bacteria in tempeh are suspected to act as probiotics, potentially making tempeh a functional food. Thus far, there have been no reports on the presence of fermentative bacteria in soybean tempeh in Padang City. Therefore, this study aimed to analyze the presence of fermentative bacteria and enzymatic activities in various tempeh products in Padang City. The research focused on identifying the presence and proportion of fermentative bacteria in soybean tempeh in Padang City. The study utilized a survey method, and the data obtained were analyzed descriptively. The results indicated the total presence of bacteria in soybean tempeh samples (11.2 - 15.3 x 10^6 CFU/g), fermentative bacteria (3.30 - 6.10 x 10^6 CFU/g), acetic acid bacteria (0.90 - 1.50 x 10^5 CFU/g), proteolytic bacteria (2.10 - 3.70 x 10^6 CFU/g), cellulolytic bacteria (34.60 - 6.50 x 10^6 CFU/g), and amylolytic bacteria (2.20 - 4.90 x 10^6 CFU/g).
Desain Habitat Buatan Kura-kura Batok (Cuora amboinensis) di Area Konservasi Eksitu Universitas Bengkulu Saputra, Fajar Eko; Karyadi, Bhakti; Parlindungan, Deni; Sutarno, Sutarno; Ruyani, Aceng; Indriyanti, Nurma Yunita
Bioscientist : Jurnal Ilmiah Biologi Vol. 12 No. 1 (2024): June
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.v12i1.11097

Abstract

Cuora amboinensis has experienced a population decline of 50–80 percent in CITES Appendix II since 2000 and is currently endangered (EN) or threatened with extinction, so it is important to preserve it. Bengkulu University's ex-situ conservation involves the preservation of Sumatran turtles obtained from collectors in the Bengkulu area. This research aims to design an artificial habitat in an effort to conserve Cuora amboinensis This research method uses an ecological-based design. The research subject was Cuora amboinensis Data collection methods include field observations, literature studies, discussions with turtle conservation experts, and monitoring environmental conditions. The research instrument uses environmental sensors to measure abiotic data. Data analysis was carried out descriptively with systematic research and analysis with field findings supported by previous researchers' findings and equipped with documentation images and a table presentation of environmental sensor data. The research results explain the stages in designing an artificial habitat for Cuora amboinensis, namely site selection and design, fencing and security, adaptation and acclimation, dividing areas based on function and providing supporting biota, nest building, and monitoring environmental conditions. The conclusion of this research Overall, this habitat design provides an optimal environment for Cuora amboinensis so that it can be used as a reference for conservation.
Potensi Antimikroba dan Antioksidan Beberapa Ekstrak Daun Benalu (Scurrula ferruginea (Roxb. ex Jack) Danser dari Archidendron sp. terhadap Staphylococcus aureus, Escherichia coli, dan Candida albicans Apriyelita, Annisa; Periadnadi, Periadnadi; Nurmiati, Nurmiati
Bioscientist : Jurnal Ilmiah Biologi Vol. 12 No. 1 (2024): June
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.v12i1.11108

Abstract

Scurrula ferruginea (Roxb. ex Jack) Danser is known for its role as an antimicrobial and antioxidant agent due to its content of phenolic compounds, alkaloids, and terpenoids. S. ferruginea has been widely used in traditional medicine for skin infections, diarrhea, hypertension, and digestive tract diseases. This study aims to determine the antimicrobial and antioxidant potential of various treatments of S. ferruginea mistletoe extracts. The experimental method used in this research is the nested pattern experiment. The extract treatments applied include fresh extract, boiled dry extract, boiled fresh extract, brewed dry extract, and brewed fresh extract. Antimicrobial potential was assessed using disc diffusion and dilution methods. Antioxidant activity (IC50) was determined using the DPPH (1,1-Diphenyl-2-Picryl-Hydrazine) method, and Total Phenolic Content (TPC) was also determined. The results indicate that the highest antimicrobial activity against Escherichia coli and Staphylococcus aureus was found in the strong category of fresh extract treatment, whereas there was no significant effect on Candida albicans growth. The fresh extract treatment exhibited the highest antimicrobial activity with a total phenolic content of 20.77321 mgGAE/mL. The Minimum Inhibitory Concentration (MIC) values for the fresh extract against S. aureus and E. coli were 6.25%, and the Minimum Bactericidal Concentration (MBC) values were 12.5% against both bacteria. The antioxidant value of the fresh extract was 101.26 μg/mL, categorized as moderate. Based on the conducted research, it can be concluded that S. ferruginea leaf extract can inhibit the activities of S. aureus and E. coli, while showing no effect on Candida albicans growth.
Bioecos: Suatu Media Berbasis Project Based Learning (PjBL) untuk Mengembangkan Kemampuan Berpikir Kreatif Chimam, Shella Latifah; Aryani, Ima
Bioscientist : Jurnal Ilmiah Biologi Vol. 12 No. 1 (2024): June
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.v12i1.11119

Abstract

Bioecos is a Project Based Learning (PjBL) multimedia aimed at developing students' creative thinking abilities. This research addresses the observed issue of underdeveloped creative Thinking among junior high school students. The study aims to enhance the creative thinking skills of seventh grade students in science education, specifically on the topic of Ecosystems, using Bioecos based on Project Based Learning. The research method employed is qualitative descriptive. The subjects were seventh grade students from Muhammadiyah 5 Junior High School in Surakarta, with a sample size of 51 students from classes VII-C and VII-D. Data collection utilized observation sheets and project assessment sheets designed in alignment with creative thinking indicators: fluency, flexibility, originality, and elaboration. Based on the research findings, the percentage achievements of creative thinking for each indicator were as follows: fluency indicator at 90.0%, flexibility indicator at 83.6%, originality indicator at 80.6%, and elaboration indicator at 77.9%. The results show that 63% of the students achieved a very creative category, totaling 32 students, while 37% achieved a creative category, totaling 19 students. From the conducted research, it can be concluded that the creative thinking abilities of Muhammadiyah 5 Surakarta Junior High School students in the learning process can be enhanced through the implementation of Bioecos based on Project Based Learning (PjBL).
Hubungan Kekerabatan Tanaman Talas (Colocasia esculenta (L.) Schott) di Kabupaten Bengkayang Berdasarkan Karakter Morfologi Ara, Chilliany; Wardoyo, Elvi Rusmiyanto Pancaning; Ifadatin, Siti
Bioscientist : Jurnal Ilmiah Biologi Vol. 12 No. 1 (2024): June
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.v12i1.11129

Abstract

Taro (Colocasia esculenta (L.) Scott) is a plant classified as a tuber derived from the genus Colocasia and belongs to the Araceae tribe. Analysis of kinship relationships can be done by observing morphological characters. The purpose of this study was to determine the relationship between taro plants in Bengkayang Regency based on morphological characters. This research was conducted from April to June 2023. Taking 30 samples in 6 sub-districts using purposive sampling method. Analysis of kinship relationships using the NTSys program with the UPGMA method. The results showed that 30 taro accessions had a similarity coefficient value of 0.52-0.93 or 52-93%. The results of kinship relationship analysis obtained 4 clusters at a similarity coefficient value of 0.60 or 60%. The results of morphological characterization based on qualitative and quantitative characters show that taro accessions have diversity in leaf and cormus characters of taro, especially in color characters.
Pengembangan Modul Cetak Pengolahan Sampah Basah Berbantuan Maggot BSF dan Efektivitasnya dalam Meningkatkan Pengetahuan Lingkungan Siswa Ainurridho, Muhammad; Rochman, Fatchur; Novianti, Vivi; Haedar, Khairil Asnan
Bioscientist : Jurnal Ilmiah Biologi Vol. 12 No. 1 (2024): June
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.v12i1.11131

Abstract

The environment is defined as a set of aspects in the form of physical, chemical and biological as well as social factors that have a direct or indirect relationship to living things and human activities in the short and long term. However, the environment can experience various problems, one example is environmental damage by causing waste in the environment. One of the reasons for the waste generated by the community is their lack of knowledge about the environment. It was proven in preliminary research at SMA Negeri 11 Pinrang, the results of the initial analysis using students' environmental knowledge questions were still low with an overall result of 43.73. These results indicate that there are still many students who do not know environmental topics and problems, especially waste and its processing, so they are lazy about disposing of waste according to the server and processing the waste, especially wet waste. This research is development research referring to Plomp and Nieven's development design and conducting a quasi-experiment using the PjBL model in class X at SMA Negeri 11 Pinrang. The research results show that the printed module has a practicality value of 91.1% in the very practical category so it is suitable for use in the learning process. The average pretest result for the experimental class was 50.8 in the low category after learning using printed modules and the PjBL model and the posttest was 88 in the very high category and experienced an increase of 37.2%. The average pretest result for the control class was 44.26 in the low category after learning only using the PjBL model and the posttest was 79.6 in the high category and experienced an increase of 35.34%. Therefore, it can be concluded that the printed module is practical and effective in the experimental class with an N-Gain value of 0.75.

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