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Hayatul Fajri
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EduNaturalia: Jurnal Biologi dan Kependidikan Biologi
Published by Universitas Tanjungpura
ISSN : 27754898     EISSN : 2775488X     DOI : http://dx.doi.org/10.26418/edunaturalia
Core Subject : Science, Education, Agriculture, Social,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Social Sciences
EduNaturalia: Jurnal Biologi dan Kependidikan Biologi welcomes original scientific articles and short communications on various research themes in the field of biology and the pedagogical aspects of biology (biology education). The scope of the journal covers the following topics: Field of Biology: Botany Zoology Biotechnology Microbiology Genetics Ecology and Environment Science Field of biology education: Teaching and Learning of Biology Learning Resources and Media of Biology Curriculum of Biology Learning evaluation of biology Teacher profession of biology
Arjuna Subject : Ilmu Sosial - Pendidikan
Articles 88 Documents
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EFEK EKOENZIM SEBAGAI PUPUK ORGANIK CAIR TERHADAP PERTUMBUHAN (TINGGI DAN JUMLAH DAUN) SERTA BIOMASSA (BERAT BASAH DAN KERING) TANAMAN BAYAM (Amaranthus Spp.)
EduNaturalia: Jurnal Biologi dan Kependidikan Biologi Vol 7, No 1 (2026)
Publisher : FKIP Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/edunaturalia.v7i1.100628

Abstract

Eco-enzyme is a fermentation product of organic waste containing bioactive compounds and nutrients, making it a potential liquid organic fertilizer to enhance horticultural crop growth. This study aimed to evaluate the effect of different eco-enzyme concentrations on the growth and biomass of spinach (Amaranthus spp.). The experiment used a Completely Randomized Design (CRD) with four treatments: P0 (control, without eco-enzyme), P1 (eco-enzyme 5 ml/L), P2 (eco-enzyme 10 ml/L), and P3 (eco-enzyme 15 ml/L), each replicated four times. Data were analyzed using the Shapiro–Wilk normality test, Levene’s homogeneity test, one-way ANOVA or Kruskal–Wallis according to assumption fulfilment, followed by Tukey HSD or pairwise non-parametric comparison. The ANOVA test results showed significant differences between treatments in the first week (F = 36.085; p 0.001) and the second week (F = 12.349; p = 0.001). The Tukey HSD follow-up test showed that in the first week, all treatments were significantly different, while in the second week significant differences were only found between P3 and P0 and P1, and P2 and P1. In the third week, the homogeneity assumption was not met (p = 0.013), so the analysis was continued using the Kruskal Wallis test. The results showed a significant difference (p = 0.011), but the follow-up test only confirmed the significant difference between P3 and P1. Fresh and dry weights also showed significant differences, with P1 outperforming P3. In conclusion, applying eco-enzyme at a moderate concentration (5 ml/L) effectively enhanced spinach growth and biomass, whereas higher concentrations reduced its effectiveness.Kata Kunci: eco-enzyme, Amaranthus spp., plant growth, biomass
PENGARUH MODEL PEMBELAJARAN PROBLEM BASED LEARNING UNTUK MENINGKATKAN PEMAHAMAN SISTEM PENCERNAAN PADA SISWA KELAS XI DI SMA SINAR ISLAM ASIA PASIFIC CARIU-BOGOR
EduNaturalia: Jurnal Biologi dan Kependidikan Biologi Vol 7, No 1 (2026)
Publisher : FKIP Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/edunaturalia.v7i1.98084

Abstract

This research explores the influence of the Problem Based Learning approach on students’ comprehension of studying the human digestive system in Biology at the high school level. This study used a quantitative correlational approach with 30 students chosen by applying simple random sampling. The data were obtained through a behavior a rating scale questionnaire to measure PBL implementation and multiple-choice tests to assess comprehension. The results show that PBL increases active participation, critical thinking, and problem-solving, leading to better understanding of the digestive system. The analysis reveals that PBL contributes about 69% to students’ comprehension, with the rest being because of other factors. To conclude, PBL significantly improves learning outcomes and is recommended as a successful approach to teaching Biology.
KELAYAKAN LEMBAR KERJA PESERTA DIDIK (LKPD) BERBASIS PROYEK PADA MATERI BIOTEKNOLOGI UNTUK MENGUKUR KETERAMPILAN PEMECAHAN MASALAH DI SEKOLAH MENENGAH ATAS
EduNaturalia: Jurnal Biologi dan Kependidikan Biologi Vol 7, No 1 (2026)
Publisher : FKIP Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/edunaturalia.v7i1.100688

Abstract

The Project-Based Student Worksheet (LKPD) serves as a learning medium intended to foster students’ critical and creative thinking abilities while enhancing their problem-solving competence through contextual project-based activities. This research aims to evaluate the feasibility of a project-based LKPD on biotechnology topics for assessing problem-solving skills among high school students. The study utilized a Research and Development (R&D) approach guided by the 4D model, which includes the define, design, and develop stages. Validation was carried out by six experts, including two university lecturers and four biology teachers, using an evaluation sheet that encompassed four criteria: content feasibility, language accuracy, presentation, and visual design. The validation results were analyzed using Aiken’s V for validity and the Intraclass Correlation Coefficient (ICC) to assess the reliability and consistency among the evaluators. Findings revealed that the developed LKPD achieved an average Aiken’s V score of 0.96, classified as valid, and an ICC reliability value of 0.820, indicating good reliability. Hence, the project-based LKPD developed in this study is deemed suitable for implementation as a learning resource to assess students’ problem-solving abilities in biotechnology at the senior high school level.
PERBANDINGAN PERILAKU SEHARI-HARI KUCING RAS (HIMALAYAN) DAN KUCING LOKAL (DOMESTIK/RUMAHAN) (FELIS CATUS)
EduNaturalia: Jurnal Biologi dan Kependidikan Biologi Vol 7, No 1 (2026)
Publisher : FKIP Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/edunaturalia.v7i1.99988

Abstract

This study aims to explore and compare the daily behavioral patterns of purebred Himalayan cats and domestic (corner) cats (Felis catus) within a shared environmental context. Observations were carried out in Kesongo Hamlet, Sukoharjo Regency, employing scan sampling and ad libitum techniques over a three-week period. Recorded behaviors were classified into affiliative, self-maintenance, and negative categories. The findings revealed that Himalayan cats demonstrated a higher frequency of affiliative behaviors, including feeding, autogrooming, and approaching humans indicating a predisposition to emotional bonding and a preference for stable domestic settings. Conversely, domestic cats primarily exhibited self-maintenance behaviors such as roaming and climbing, reflecting stronger adaptive traits and instinctual responses to dynamic environments. Negative behaviors were relatively rare in both groups; however, aggressive tendencies were more commonly observed in domestic cats. These results underscore the influence of both genetic predispositions and environmental conditions in shaping feline behavior. The study offers valuable contributions to the field of ethology and provides practical insights for enhancing feline welfare by addressing breed-specific behavioral needs.
PENGARUH PERBANDINGAN AMPAS KOPI DAN PUPUK KANDANG TERHADAP PERTUMBUHAN TANAMAN CABAI MERAH (Capsicum annuum L.)
EduNaturalia: Jurnal Biologi dan Kependidikan Biologi Vol 7, No 1 (2026)
Publisher : FKIP Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/edunaturalia.v7i1.97994

Abstract

Red chili (Capsicum annuum L.) is one of Indonesia’s major horticultural commodities with high economic value and an essential role in national food security. Farmers’ dependence on chemical fertilizers in the long term can reduce soil fertility and cause environmental pollution; therefore, environmentally friendly and cost-effective organic fertilizer alternatives are needed. This study aimed to analyze the effect of coffee grounds and manure ratio on the growth of red chili plants and to determine the optimal combination that supports the best vegetative performance. The research was conducted as a field experiment using a Completely Randomized Design (CRD) consisting of six treatments with three replications, namely combinations of coffee grounds and manure (P1 = 50:0 g; P2 = 40:10 g; P3 = 30:20 g; P4 = 0:20 g; P5 = 5:15 g; P6 = 10:10 g). Growth parameters observed included plant height and number of leaves, measured weekly for four weeks. Data were analyzed using the Kruskal–Wallis test followed by the Mann–Whitney test. The results showed that the combination of 30 g coffee grounds and 20 g manure (P3) produced the highest plant height, while 40 g coffee grounds and 10 g manure (P2) resulted in the greatest number of leaves. A balanced ratio of coffee grounds and manure improved soil structure and nutrient availability, thus supporting optimal vegetative growth of red chili plants.
PENGARUH METODE POSTER COMMENT PADA MATERI SISTEM GERAK TERHADAP HASIL BELAJAR SISWA KELAS XI MIA MAN 1 LANGSA
EduNaturalia: Jurnal Biologi dan Kependidikan Biologi Vol 7, No 1 (2026)
Publisher : FKIP Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/edunaturalia.v7i1.100194

Abstract

Poster comment is an active learning approach that aims to improve students' critical thinking skills and involve them in solving problems using the images presented. This study aims to analyze the impact of the poster comment method on students in class XI MIA at MAN 1 Langsa. The method applied in this study is a quasi-experimental. The research design used is Pretest-posttest control group design, which involved two classes, namely the experimental class and the control class. The number of samples in this study consisted of 30 students in the experimental class and 30 students in the control class. The research instrument used was 20 multiple-choice questions. The results showed that the average score of students in the experimental class reached 75, while in the control class it was only 60. Hypothesis testing shows that the t count value is 6,065 and the t table value is 2,048 with a significance level of 0,05 (5%), so that t count > t table is accepted. Thus, it can be concluded that the application of the poster comment method on the material of the motion system has an effect on the learning achievement of class XI MIA students at MAN 1 Langsa.
PENDUGAAN STOK KARBON BERDASARKAN VEGETASI STRATA POHON DI HUTAN RIMBO TERANTANG, DESA PASIR SIALANG, KECAMATAN BANGKINANG KABUPATEN KAMPAR
EduNaturalia: Jurnal Biologi dan Kependidikan Biologi Vol 7, No 1 (2026)
Publisher : FKIP Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/edunaturalia.v7i1.97998

Abstract

Pemanasan global dan perubahan iklim disebabkan oleh peningkatan gas rumah kaca (GRK), terutama karbon dioksida (CO₂) akibat deforestasi dan pembakaran bahan bakar fosil. Hutan berperan penting dalam menyerap dan menyimpan karbon melalui biomassa vegetasi. Penelitian ini bertujuan menghitung biomassa dan potensi cadangan karbon berdasarkan vegetasi strata pohon di Hutan Riombo Terantang, Desa Pasir Sialang, Kecamatan Bangkinang, Kabupaten Kampar. Metode yang digunakan adalah survei dengan teknik purposive sampling. Pengambilan data dilakukan menggunakan tiga transek yang masing-masing dibagi menjadi tiga plot (20 m × 20 m) pada setiap transeknya. Pohon yang diukur adalah yang memiliki diameter ≥10 cm. Data tinggi dan diameter pohon digunakan untuk menghitung biomassa dengan persamaan alometrik, sedangkan cadangan karbon diperoleh dengan faktor konversi 0,47. Hasil penelitian menunjukkan total biomassa tertinggi terdapat pada stasiun III sebesar 1.810,96 kg, diikuti dengan stasiun I sebesar 1.567,46 dan terendah pada stasiun II sebesar 1.335,56 kg. Nilai cadangan karbon tertinggi juga ditemukan pada stasiun III sebesar 7,093 ton/ha, sedangkan terendah pada staisun II dengan nilai 5,231 ton/ha. Rata-rata cadangan karbon seluruh kawasan mencapai 6,356 ton/ha dengan total estimasi cadangan karbon hutan yang memiliki luas 101 ha sebesar 622 ton/c.
PENGARUH PEMBERIAN VARIASI MEDIA PAKAN TERHADAP BERAT SEGAR PER EKOR MAGGOT (Hermetia illucens)
EduNaturalia: Jurnal Biologi dan Kependidikan Biologi Vol 7, No 1 (2026)
Publisher : FKIP Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/edunaturalia.v7i1.100276

Abstract

Black soldier fly larvae (Hermetia illucens) or what are known as maggots are currently the object of much research, both regarding their biological properties and nutritional content. This study aims to determine the effect of variations in feed media on the fresh weight per Hermetia illucens maggot. The type of research is an experiment with a Completely Randomized Design (CRD) design and nine replications per treatment. Three types of feed media used are tofu dregs, corn dregs, and vegetable waste. The results showed that the feed media significantly affected the fresh weight of maggots, with tofu dregs media producing the highest average weight of 1.2 grams per maggot, followed by vegetable waste (0.7 grams), and corn dregs (0.4 grams). These findings indicate that tofu dregs is the most optimal feed media to increase maggot productivity. ANOVA results showed that the type of feed media had a significant effect on the average fresh weight of maggots (p < 0.05).

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