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Exploring the Rich Diversity of Seagrass Species in Batu Kotak Coastal Ecosystem Febrisa Indri Utami; Windiarti Pratiwi Putri Nuraini; Novia Intan Cahyani; Lalu Syukran Muhsin; Zahira Rufaida; Ratna Permata Sari
Journal of Biology, Environment, and Edu-Tourism Vol. 1 No. 2 (2025): August
Publisher : Yayasan Siti Widhatul Faeha

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Seagrass ecosystems play a pivotal role in maintaining coastal ecological balance, serving as critical habitats for marine biota, carbon sinks, and natural barriers against erosion. However, anthropogenic pressures increasingly threaten their sustainability. This study aims to assess seagrass diversity in Batu Kotak Beach, Central Lombok, to establish a foundational dataset for conservation efforts. Data were collected across three stations using a quadrat transect method (1×1 m) with three replicates per station. Analyzed parameters included species density, Shannon-Wiener diversity index (H’), evenness (e), and Simpson’s dominance index (C). Results revealed the presence of nine seagrass species, with the highest densities recorded for Syringodium (48 individuals) and Thalassia hemprichii (35 individuals). Diversity indices ranged from low (0.356) to moderate (1.536), with Station III exhibiting the most stable conditions (H’=1.00; e=0.900). Stations I and II displayed pronounced dominance of specific species (Padina tetrastromatica, dominance=0.83), suggesting ecological disturbances. Environmental factors such as water quality, substrate type, and human activities are hypothesized to drive these variations. The study recommends periodic monitoring for Stations I and II and designates Station III as a priority area for conservation.
Research Trend of PjBL-STEM to Enhance Critical Thinking Skills: Bibliometric Analysis 2019-2024 Febrisa Indri Utami
International Journal of Science Education and Science Vol. 3 No. 2 (2026): September
Publisher : Balai Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56566/ijses.v3i2.278

Abstract

Critical thinking is an essential skill in science education. It can be fostered through the implementation of the Project-Based Learning (PjBL) model integrated with STEM. This study aims to identify and analyze research trends in the application of the PjBL-STEM model to enhance critical thinking skills in science learning. The research employs a descriptive and analytical methodology. The data used in this study were collected from documents indexed in Google Scholar from 2015 to 2024 using Publish or Perish and Dimension.ai. The research procedure follows PRISMA guidelines. Data analysis was conducted using bibliometric methods, supported by VOSviewer software. The findings indicate that research trends on the PjBL-STEM model in science education, indexed in Google Scholar, have shown fluctuating growth from 2015 to 2024. However, a decline in research activity is projected for 2024