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All Journal Acta Aquatica: Aquatic Sciences Journal Jurnal Biologi Tropis Symbiotic: Journal of Biological Education and Science
Diyah Anjani
Universitas Samudra
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Environmental Science Immunology & microbiology Materials Science & Nanotechnology Other

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Identification of Aves Diversity in Samudra University Area Diyah Anjani; Adelia Putri; Lili Anna Sari Siregar; Meineta Tinambunan; Ayu Wahyuni
Jurnal Biologi Tropis Vol. 23 No. 2 (2023): Special Issue
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v23i2.6187

Abstract

Birds, or avians, are living organisms classified in the animal kingdom and share characteristic features such as a body covering of feathers that enables them to fly. Birds are also a biodiversity asset that needs to be conserved and preserved due to their significance and roles in human life. Samudra University, with its expansive grounds adorned with various trees, provides a potential habitat for birds. This research, conducted in October-November 2023, aims to explore the diversity of bird species within the Samudra University area. The study employs a quantitative descriptive method, covering four locations, Location I in the Faculty of Agriculture, Location II by the sea, Location III in the Student Building, and Location IV in the Faculty of Primary School Teacher Education. The findings reveal four avian species from four families in the Samudra University area: Passer montanus, Ardea alba, Geopelia striata, and Todirhampus chloris. The avian diversity index in that area is considered moderate.
Analisis Perbedaan Kandungan Pigmen Klorofil pada Beberapa Varietas Sayuran (Lactuca sativa dan Amaranthus sp.) Aura Alfisyahrin; Diyah Anjani; Diah Khairani; Jeli Parsela; Tri Mustika Sarjani
Symbiotic: Journal of Biological Education and Science Vol. 6 No. 1 (2025): Symbiotic: Journal of Biological Education and Science Vol. 6 No. 1 April 2025
Publisher : Institut Agama Islam Negeri Kerinci

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32939/symbiotic.v6i1.195

Abstract

Chlorophyll is the primary pigment in plants. Most chlorophyll is found in leaves, and its content varies among different leaves. Chlorophyll functions as an antioxidant for the body. Plants rich in chlorophyll include spinach and lettuce. Spinach and lettuce are popular vegetables among the public due to their high nutritional value. This study aims to determine the differences in chlorophyll content between these two types of vegetables. The research was conducted in the Basic Laboratory of Universitas Samudra using a spectrophotometer to identify the chlorophyll content in lettuce and spinach, determined through calculation methods. The results showed a significant difference in chlorophyll content between spinach and lettuce, particularly between green and red varieties. Green spinach had the highest chlorophyll content, whereas red lettuce had the lowest. This difference is due to pigment variations, where chlorophyll is more dominant in green varieties, while anthocyanin is more dominant in red varieties. Chlorophyll extracts from these vegetables have great potential as a natural antioxidant source that supports overall health, making them an important part of a daily diet.
Morphometric analysis and growth patterns of the mudskipper (Periophthalmus chrysospilos) in the Kuala Mangrove Area of Kota Langsa Diyah Anjani; Sakina Azzahra Hilal; Intan Baiduri; Adelia Putri; Selvira Selvira; Abdul L. Mawardi
Acta Aquatica: Aquatic Sciences Journal Acta Aquatica, Vol. 13: No. 1 (April, 2026)
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/aa.v13i1.25387

Abstract

The Kuala Mangrove area in Kota Langsa has high biodiversity potential and plays an important role as a habitat for the mudskipper (Periophthalmus chrysospilos). However, information regarding the morphometric characteristics and growth patterns of this species in the area remains limited. This study aimed to analyze the morphometric characteristics and growth patterns of mudskippers in the Kuala Mangrove area of Kota Langsa. The research was conducted in October 2025 using a survey method with a purposive sampling technique. Observed parameters included fish body morphometric measurements and environmental factors such as temperature, pH, and salinity. Data were processed using Microsoft Excel to obtain average values and length–weight relationships through logarithmic regression analysis. The results showed that 44 mudskipper individuals were found at three observation stations, with average total lengths of 18.2 ± 1.8 cm (Station 1), 20.9 ± 1.3 cm (Station 2), and 23.9 ± 1.8 cm (Station 3), and corresponding body weights of 109.8 ± 14.6 g, 137.4 ± 13.7 g, and 179.4 ± 16.5 g. The b values at each station were 1.39, 1.69, and 1.21, with determination coefficients (R²) of 0.99, 0.99, and 0.96, indicating a negative allometric growth pattern. Environmental conditions such as temperature 28–30°C, pH 7.2–7.6, and salinity 25–30 ppt were within the optimal range. These findings indicate that mudskippers possess a high adaptive capacity and have potential as bioindicators of the mangrove ecosystem in the Kuala Mangrove area of Kota Langsa. Keywords: Growth Pattern; Mangrove; Morphometric; Mudskipper; Periophthalmus chrysospilos
Co-Authors Abdul L. Mawardi Adelia Putri Adelia Putri Aura Alfisyahrin Ayu Wahyuni Diah Khairani Intan Baiduri Jeli Parsela Lili Anna Sari Siregar Meineta Tinambunan Sakina Azzahra Hilal Selvira Selvira Tri Mustika Sarjani