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All Journal Biogenesis: Jurnal Ilmiah Biologi Journal of Biotropical Research and Nature Technology
Ilyasa, Muhammad Hasan
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology

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Diversity of tree vegetation in Mount Baung Natural Tourism Park utilization block, Pasuruan Regency Ilyasa, Muhammad Hasan; Suheriyanto, Dwi
Biogenesis: Jurnal Ilmiah Biologi Vol 12 No 1 (2024)
Publisher : Department of Biology, Faculty of Sci and Tech, Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/bio.v12i1.42839

Abstract

The high diversity of tree species found in natural forests contributes to their ability to maintain ecological balance. Mount Baung Natural Tourism Park is the conservation area in Pasuruan Regency, East Java that functions to protect biodiversity. The research aims to identify tree species, analyze tree diversity, and determine tree dominance with the importance value index (IVI). The research was conducted from February to March 2023 in Mount Baung Natural Tourism Park utilization block (MBNTP UB), Pasuruan Regency, East Java, Indonesia. The observation location was determined to be 37 points and plots were made in the point with a size of 20 m × 20 m for the tree phase, 10 m × 10 m for pole phase, 5 m × 5 m for the sapling phase, and 2 m × 2 m for the seedling phase. Data collected from field observations were analyzed to determine the Shannon diversity index using PAST 4.01. Tree dominance was analyzed using IVI. The research showed that 14 species from 8 tree families are found in MBNTP UB. The Fabaceae family is found to be abundant compared to other families. The highest number of individuals found in the seedling phase is Cassia glauca. Swietenia macrophylla has the highest individual’s number in the sapling, pole, and tree phases. The highest tree diversity is found in the tree phase. Diversity at the tree phase is classified as moderate, while at the seedling, pole, and sapling phase the diversity is low.
Identifikasi Makrozoobentos Di Sungai Ireng-Ireng Kawasan Taman Nasional Bromo Tengger Semeru Zainuri, Wildan; Ilyasa, Muhammad Hasan; Nugra Prasetya, Koestriadi
Journal of Biotropical Research and Nature Technology Vol. 2 No. 2 (2024): Borneo
Publisher : Prodi Biologi FMIPA Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52850/borneo.v2i2.12005

Abstract

Makrozoobentos adalah organisme akuatik yang menetap di dasar perairan, menempel di batuan, dan dapat menjadi bioindikator kualitas suatu perairan. Tujuan dari penelitian ini yaitu untuk mengetahui jenis makrozoobentos di Sungai Ireng-Ireng Kawasan Taman Nasional Bromo Tengger Semeru. Penelitian ini termasuk jenis penelitian deskriptif kuantitatif. Penelitian ini dilaksanakan pada bulan Juli-Agustus 2022. Teknik pengambilan sampel menggunakan Purposive Sampling menggunakan tiga stasiun dengan tiga kali ulangan. Data disajikan dalam bentuk tabel. Sampel diambil menggunakan surber net dengan ukuran mata jaring 1x1 mm pada plot berukuran 1x1 m2. Hasil penelitian didapatkan 94 spesimen yang terdiri dari 7 ordo, 10 famili dan 10 genus makrozoobentos yaitu Simulium, Agathon, Trichocera, Macrelmis, Callibaetis, Glossiphonia, Hirudo, Parlesta, Polycentropus, dan Tubifex. Genus yang paling banyak ditemukan adalah genus Glossiphonia sebanyak 43 spesimen.
Co-Authors Dwi Suheriyanto Nugra Prasetya, Koestriadi Zainuri, Wildan