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All Journal Kenanga : Journal of Biological sciences and Applied Biology
Muslich Hidayat
Program Studi Biologi Fakultas Sains dan Teknologi UIN Ar-Raniry Banda Aceh
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science Immunology & microbiology

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Keanekaragaman Jenis dan Struktur Vegetasi Herba di Taman Wisata Alam Iboih, Sabang Muslich Hidayat; Anistia
KENANGA : Journal of Biological Sciences and Applied Biology Vol. 6 No. 1 (2026): April 2026
Publisher : Program Studi Biologi Fakultas Sains dan Teknologi Universitas Islam Negeri Ar-Raniry Banda Aceh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/kenanga.v6i1.8375

Abstract

Terrestrial ecosystems, particularly tropical forests, possess the highest biodiversity and play a crucial role in global environmental balance. Herbaceous vegetation, as a key component of forest ecosystems, serves as ground cover, maintains soil moisture, supports nutrient cycling, reduces erosion, and provides habitat for small organisms. This study aims to analyze the species composition, dominance levels, and diversity of herbaceous vegetation in the Iboih Nature Tourism Park (TWA) area, Sabang. The research was conducted in May 2024 using vegetation analysis methods with parameters of density, frequency, and Importance Value Index (IVI). The results recorded 41 herbaceous plant species from various families. The species with the highest IVI was Asplenium nidus (bird’s nest fern) at 16.826, followed by Pteris ensiformis (14.083). The Shannon-Wiener diversity index (H’) value was 3.48, which is classified as high, indicating a stable, productive community that is not excessively dominated by any particular species. Environmental factors such as average soil moisture of 81%, air humidity of 78%, pH of 6.7, and temperature of 30.3°C support optimal growth of herbaceous vegetation. This study is expected to serve as a basis for the sustainable management of the Iboih Nature Tourism Park (TWA). Keywords: Vegetation; herbs; forest, Nature Tourism Park
Analisis Kadar Air Benih Kedelai (Glycine max) Varietas Anjasmoro Menggunakan Metode Oven Jamaluddinsyah Jamaluddinsyah; Muslich Hidayat; Firman Rija Arhas
KENANGA : Journal of Biological Sciences and Applied Biology Vol. 6 No. 1 (2026): April 2026
Publisher : Program Studi Biologi Fakultas Sains dan Teknologi Universitas Islam Negeri Ar-Raniry Banda Aceh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/kenanga.v6i1.9899

Abstract

Moisture content is a pivotal parameter determining the viability and storage life of soybean seeds. This study aimed to evaluate the moisture content of Anjasmoro variety soybean (Glycine max) seeds using the constant high-temperature oven method. The research was conducted at the UPTD BPSBTPHP Laboratory in Banda Aceh. The methodology employed drying ground seed samples in an oven at 130°C–133°C for a duration of one hour. The experimental results revealed an average moisture content of 10.2095% derived from two replicates. This value falls within the recommended safe threshold for soybean seed storage, which ranges between 10% and 12%. Consequently, the tested seeds are categorized as having high physical quality and are suitable for long-term storage without significant risk of biological deterioration. Keywords: moisture content; seed quality; glycine max
Co-Authors Anistia Firman Rija Arhas Jamaluddinsyah Jamaluddinsyah