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All Journal Jurnal Biologi Tropis Jurnal Layanan Masyarakat (Journal of Public Service)
Faridah Tsuraya
Universitas Palangka Raya
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Environmental Science Immunology & microbiology Social Sciences Other

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INTRODUCTION TO MICROALGAE CULTIVATION TO IMPROVE SCIENTIFIC CRITICAL THINKING SKILLS IN SMAN 4 PALANGKA RAYA Faridah Tsuraya; Widya Krestina; Desimaria Pandjaitan; Vinsen Willi Wardhana
Jurnal Layanan Masyarakat (Journal of Public Services) Vol. 10 No. 2 (2026): JURNAL LAYANAN MASYARAKAT
Publisher : Universitas Airlangga

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Abstract

Scientific critical thinking skills are key to helping students gain a deep understanding of concepts, create innovative solutions, and apply scientific principles in real life. The objective of this community service is to introduce microalgae cultivation to enhance the scientific critical thinking skills of students at SMAN 4 Palangka Raya. The methods used to carry out this community service activity included identification and preparation, a pre-test, implementation of the activity (presentation of material and laboratory practice with inquiry methods), a post-test, and evaluation. This activity was attended by approximately 40 students in one class, all of whom were science majors. The results of this activity showed a pre-test score of 59.13, a post-test score of 74.34, and an increase in scores from the pre-test to the post-test of 15.21, representing a 26% increase. Students also demonstrated a better understanding of critical questions regarding microalgae cultivation methods (reaching 13%) compared to questions regarding the definition of microalgae (6%). Testimonials from student representatives indicated that the students enjoyed learning about this topic. This activity also left a positive impression on the students because they enjoyed participating in a science learning activity that is not typically taught in school. This community service activity was found to improve the scientific critical thinking skills of students at SMAN 4 Palangka Raya, as evidenced by an increase in scores from the pre-test to the post-test and based on direct observations of students’ questions and answers. Based on these results, it was found that inquiry-based learning in this community service can indirectly improve students’ critical thinking skills, even though it was conducted on only one simple topic.
Isolation and Characterization of Endophytic Fungi in Ramin (Gonystylus bancanus Miq. Kurz) from Central Kalimantan Faridah Tsuraya; Rahayu Opi Anggoro; Adi Jaya; Siti Sunariyati; Febri Nur Ngazizah
Jurnal Biologi Tropis Vol. 26 No. 1 (2026): Januari-Maret
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v26i1.11419

Abstract

Ramin (Gonystylus bancanus Miq. Kurz) is one of the typical woody plants that live in peat swamp forest ecosystems, especially in Central Kalimantan. Ramin plants have endophytic fungi that live in plant cells that can contaminate tissue culture propagation. In addition, endophytic fungi in ramin plants have not been widely studied, both in terms of characterization and potential. This study aimed to identify and analyze endophytic fungi residing in ramin plants. The methods used were media preparation and tool preparation, isolation of endophytic fungi, macro- and microscopic characterization of endophytic fungi, and data analysis. This study successfully isolated five endophytic fungi from G. bancanus plants, including 4 isolates (BR1, BR2, BR3, BR4) derived from stems and 1 isolate (BDR) derived from stems and leaves. The characters of these endophytic fungi are white and black in color, smooth and rough texture, and hyphae with and without hyphae (asepta). Endophytic fungi in ramin plants pose a challenge for propagating ramin tissue culture because they become contaminants. However, endophytic fungi certainly have their own benefits in the bodies of ramin plants and other potential benefits for humans. This research can serve as an initial study to determine the potential of endophytic fungi in ramin plants and to provide new information on handling contaminants in ramin plant tissue culture.
Co-Authors Desimaria Pandjaitan Febri Nur Ngazizah Rahayu Opi Anggoro Siti Sunariyati Vinsen Willi Wardhana Widya Krestina