cover
Contact Name
Nasrul Hakim
Contact Email
nasrulhakim@metrouniv.ac.id
Phone
+6282269296757
Journal Mail Official
aljahiz.biologi@metrouniv.ac.id
Editorial Address
Jl. Ki Hajar Dewantara 15a Kota Metro, Lampung
Location
Kota metro,
Lampung
INDONESIA
Al Jahiz: Journal of Biology Education Research
ISSN : 27225070     EISSN : 27225275     DOI : https://doi.org/10.32332/al-jahiz
Al Jahiz: Journal of Biology Education Research. Receives and publishes scientific articles from research in the field of biology education and the use of biological research in learning. Special emphasis is as follows: (1) Research on Biology / Science Learning at all levels of education. (2) Pure Biology Research from the Biological Sciences Branch was developed into teaching materials, reference books or learning media for Biology / Science at all levels of education and applications in the community. (3) Biology Education curriculum at all levels of education. (4) Classroom Action Research (CAR). (5) Lesson Study (LS). (6) Other Qualitative Research from Biology Education at all levels of education. (7) Management of the Biology / Science Laboratory at all levels of education. (8) Evaluation of Learning Biology / Science at all levels of education. (9) Professional Teacher Trends in Biological Education. This journal also covers the issues on environmental education.
Articles 162 Documents
Phytoremediation Potential of Landfill Vegetation in Aceh, Indonesia: Linking Pb Accumulation with Chlorophyll Content and Stomatal Traits Arvi Amalia; Zumaidar; Amalia
Al Jahiz Vol 7 No 1 (2026): Al-Jahiz: Journal of Biology Education Research, January-June 2026 (In Progress)
Publisher : Faculty of Tarbiyah and Teacher Training UIN Jurai Siwo, Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32332/al-jahiz.v7i1.11832

Abstract

Landfills are a major source of heavy metal contamination, particularly lead (Pb), which poses serious risks to the environment and health. This study aims to evaluate the phytoremediation potential of plant species in the Gampong Jawa landfill, Banda Aceh, by analyzing Pb accumulation, chlorophyll content, and stomatal characteristics. Leaf samples were collected from plant species in the Gampong Jawa landfill using a purposive sampling approach. Pb levels were measured using Atomic Absorption Spectrophotometry (AAS), chlorophyll content was determined spectrophotometrically at 645 and 663 nm, and stomatal traits were observed from paradermal sections of the abaxial epidermis. A total of 21 plant species from 13 families were identified, of which 13 species accumulated Pb with concentrations ranging from 0.004 to 0.208 ppm. Mangifera indica exhibited the highest Pb accumulation, along with the highest stomatal density (113–560 mm⁻²) and stomatal index (10.4–33.2%). A consistent trend was observed in which species with higher stomatal density tended to show greater Pb accumulation, while increased Pb levels were associated with reduced chlorophyll content. These findings suggest that stomatal characteristics may influence Pb uptake in plants. The findings highlight that M. indica has potential as a phytoremediator and bioindicator of Pb pollution to support landfill rehabilitation and environmental management.
Effectiveness of Local Wisdom-Based Project-Based Ethnopedagogical Learning in Enhancing Students’ Critical Literacy: A Quasi-Experimental Study Saidil Mursali; Septiana Dwi Utami; Sri Nopita Primawati; Ika Nurani Dewi; Akhmad Sukri
Al Jahiz Vol 7 No 1 (2026): Al-Jahiz: Journal of Biology Education Research, January-June 2026 (In Progress)
Publisher : Faculty of Tarbiyah and Teacher Training UIN Jurai Siwo, Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32332/al-jahiz.v7i1.12144

Abstract

This study aims to analyze the effectiveness of Project-Based Ethnopedagogical Learning (PBEL) based on local wisdom in enhancing students’ critical literacy. Local wisdom, which has long been part of the community’s cultural identity, is viewed as having the potential to serve as a contextual learning resource capable of stimulating higher-order thinking skills. The study used a quasi-experimental non-equivalent control group design involving 69 Grade X students from two intact classes selected through purposive sampling at SMA Negeri 4 Mataram, Indonesia. Class X-6 (35 students) received PBEL based on Lombok local wisdom, while Class X-7 (34 students) followed conventional learning. The PBEL intervention integrated project activities with the exploration and revitalization of local wisdom values through culturally contextual learning tasks. The critical literacy instrument was developed based on the indicators of interpretation skills, analysis skills, inference skills, evaluation skills, and self-regulation skills. Data were analyzed using ANCOVA and Least Significant Difference (LSD) tests to examine the effectiveness of the treatment. The results showed a significant class effect on posttest critical literacy after controlling for pretest scores, F = 93.010, Sig. = 0.000, partial η² = 0.585, with a higher adjusted mean in the PBEL class (86.78) than in the conventional class (65.36). These findings indicate that PBEL offers practical novelty by transforming local wisdom into project-based inquiry and reflection activities that strengthen both cultural identity and critical literacy. This study implies that local wisdom-based PBEL can be adopted as a contextual instructional strategy for critical literacy development in Indonesian secondary education.

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