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All Journal BIOEDUSAINS: Jurnal Pendidikan Biologi dan Sains Jurnal Pembelajaran dan Biologi Nukleus
Ilham Hakiki Harahap
Universitas Labuhanbatu
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media

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Identifikasi Morfologi Trichopsis vittata dari Tiga Populasi Berbeda untuk Mendukung Sumber Belajar Mata Kuliah Ekologi Hewan Rizky Putri Lestari; Khairul Khairul; Ilham Hakiki Harahap
BIOEDUSAINS:Jurnal Pendidikan Biologi dan Sains Vol. 9 No. 1 (2026): BIOEDUSAINS:Jurnal Pendidikan Biologi dan Sains
Publisher : Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31539/re3qnd94

Abstract

This study aimed to analyze the morphometric and meristic characteristics of T. vittata from three populations as learning resources for the Animal Ecology course. This is a quantitative descriptive study using data collection methods involving purposive sampling from three research locations. Data analysis was performed using software through the Kruskal–Wallis test and Principal Component Analysis (PCA). The results showed that there were no significant differences in morphometric characteristics between populations. However, the PCA analysis showed a separation in two meristic characteristics, namely DR and CR, indicating physiological adaptation to habitat conditions. It was concluded that the morphological characteristics of T. vitatta related to environmental differences could be used as learning material for the Animal Ecology course. Keywords: Animal Ecology, Morphological Characteristics, Taxonomy, Trichopsis vittata
Analisis Statistik Aspek Biologi Wild Betta (Betta imbellis) Sebagai Pendukung Bahan Ajar Mata Kuliah Ekologi Hewan Putri Amanda Ramadani; Khairul; Ilham Hakiki Harahap
BIOEDUSAINS:Jurnal Pendidikan Biologi dan Sains Vol. 9 No. 1 (2026): BIOEDUSAINS:Jurnal Pendidikan Biologi dan Sains
Publisher : Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31539/384b0734

Abstract

This study aimed to analyze statistical data related to the biological aspects of Betta imbellis as teaching material for the Animal Ecology course. The method used was purposive sampling at two different locations. A total of 30 individuals (15 individuals per location) were captured using a traditional fish trap, then measured using a digital caliper and weighed with a digital scale. The observed parameters included morphometric, meristic, length-weight relationship, sex ratio, and condition factor. Data were analyzed using Microsoft Excel 2013 and SPSS version 22. The results showed differences in morphometric (DBL, ABL, CPD, LUCL, LMCL, LCLL) and meristic (AR) characters between populations. The growth pattern was negative allometric (b < 3). The male-to-female sex ratio was 2:1, while the condition factor ranged from 1.82–2.05 (K) and 245.76–455.70 (Wr). In conclusion, these findings provide preliminary data to support conservation efforts of wild Betta imbellis and serve as teaching material for the Animal Ecology course. Keywords: Analysis Statistical, Biological Aspects, Betta imbellis
Analysis of Water Quality at The Peak of Spawning Season Tenualosa ilisha at The Downstream of Bilah River Leni Indah Sari; Rusdi Machrizal; Ilham Hakiki Harahap
JURNAL PEMBELAJARAN DAN BIOLOGI NUKLEUS Vol 11, No 1: Jurnal Pembelajaran Dan Biologi Nukleus March 2025
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jpbn.v11i1.6380

Abstract

Water quality analysis plays an important role in understanding the environmental factors that affect aquatic life, especially during critical periods such as fish spawning. The purpose of this study was to investigate several aspects related to water quality and its impact on hilsa fish species during their life cycle period. The study was conducted in Sungai Bilah over a four-month period in 2023, focusing on three specialized stations to assess water quality during the peak season of hilsa fish spawning. This study uses the descriptive method, with strategic sampling locations determined through interviews with fishermen. This method is crucial for understanding the impact of water quality on fish spawning activities. The results of the water quality analysis showed that each station had an average value of Temperature 26.625 °C, Turbidity 86.033, Total Suspended Solid (TSS) 88.75, Dissolved Oxygen (DO) 6.75, Nitrate 2.50, and Phosphate 0.002. Overall, these results indicate that the water quality in the observation area is in a condition that supports the successful spawning of hilsa fish, with stable temperature and adequate dissolved oxygen levels, while other parameters such as turbidity and TSS remain within acceptable limits
Co-Authors Khairul Khairul Khairul Leni Indah Sari Putri Amanda Ramadani Rizky Putri Lestari Rusdi Machrizal