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All Journal PERENNIAL Journal of Mathematics Instruction, Social Research and Opinion
Lismayani, Lismayani
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Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Education Environmental Science Languange, Linguistic, Communication & Media Mathematics Social Sciences

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Keanekaragaman dan Peranan Serangga Akuatik sebagai Bioindikator di Sungai Lekopancing, Kabupaten Maros, Sulawesi Selatan: Diversity and Role of Aquatic Insects as Bioindicators in the Lekopancing River, Maros District, South Sulawesi Nuraeni, Sitti; Budiaman, Budiaman; Lismayani, Lismayani; Prastiyo, Andi; Wahyudi, Wahyudi
PERENNIAL Vol 21 No 2 (2025): Vol. 21 No. 2, October 2025
Publisher : Forestry Faculty of Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24259/perennial.v21i2.43381

Abstract

The Lekopancing River, located in Maros Regency, is a crucial source of clean water supply for the people of Makassar City and the surrounding wereas. This study aims to analyze the diversity and role of insects as bioindicators of water quality based on aquatic insect families. The study was conducted in the upstream, middle, and downstream parts of the Lekopancing River, using handpicking and kick sampling for data collection. The collected aquatic insect samples were then identified and analyzed using the diversity index Shannon-Wienner (H') and Hilsenhoff Family Biotic Index (HFBI) methods, which were widely accepted in ecological research for assessing biodiversity and water quality. The number of aquatic insects found was 614 individuals, consisting of 13 species, 13 families, and 7 orders. The diversity index of aerial insects in the upstream and middle parts of the Lekopancing River was 1.26 and 1.72, while in the downstream part, it was 0.42. The HFBI value of 3.26 in the upstream section is still very good; in the middle section, the HFBI value of 4.84 is considered good; in the downstream section, the HFBI value of 7.00 indicates poor quality.
The Effect of Project-Based Learning (PjBL) On Critical Thinking Skills as Seen from Cognitive Styles Lismayani, Lismayani; Kamid, Kamid; Yantoro, Yantoro
Journal of Mathematics Instruction, Social Research and Opinion Vol. 4 No. 3 (2025): September
Publisher : MASI Mandiri Edukasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58421/misro.v4i3.711

Abstract

This study investigates thei effect of the Project-Based Learning (PjBL) model on eighth-grade students’ mathematical critical thinking skills, considering their cognitive styles. The research employed a quasi-experimental design with a non-equivalent control group, involving eighth-grade students of SMP Negeri 24 Kerinci in the 2023/2024 academic year. The sample comprised two experimental classes taught with the PjBL model and one control class taught conventionally. Data were collected using the1 Group Embedded Figures Test (GEFT) to identify students’ cognitive styles and an essay test to measure critical thinking skills. Data analysis was conducted through a two-way ANOVA to examine the effects of the learning model and cognitive style, followed by a t-test for further comparison. The results showed that the PjBL model and students’ cognitive styles significantly influenced mathematical critical thinking skills. Field Independent (FI) students scored higher than Field Dependent (FD) students. However, no significant interaction was found between the learning model and cognitive style, indicating that PjBL provides relatively balanced opportunities for all learners. These findings suggest that PjBL can be an effective and inclusive instructional approach to foster students’ critical thinking, and mathematics teachers are encouraged to integrate it into classroom practice.
Co-Authors Budiaman, Budiaman Kamid Kamid Prastiyo, Andi Sitti Nuraeni Wahyudi Wahyudi Yantoro, Yantoro