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All Journal Biogenesis: Jurnal Ilmiah Biologi BIOPROSPEK
Fudiantoro, Aldi
Unknown Affiliation
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science Immunology & microbiology Veterinary

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STUDI STRUKTUR DAN KOMUNITAS PLANKTON DI SUNGAI JEMBAYAN KECAMATAN LOA KULU, KUTAI KARTANEGARA Patang, Nurfadilah A.; Hendra, Medi; Kurniati, Reni; Fudiantoro, Aldi; Hariani, Nova
BIOPROSPEK: Jurnal Ilmiah Biologi Vol 15 No 2 (2023): BIOPROSPEK: Jurnal Ilmiah Biologi
Publisher : Jurusan Biologi, Fakultas Matematika dan Ilmu Pengetahuan Alam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/bp.v15i2.1212

Abstract

Penelitian ini bertujuan untuk mengetahui kondisi lingkungan (fisika dan kimia) serta struktur komunitas plankton di sungai Jembayan kecamatan Loa Kulu kabupaten Kutai Kartanegara. Teknik pengambilan sampel menggunakan random sampling. Data yang diperoleh diolah dan disajikan dalam bentuk kelimpahan plankton, indeks keanekaragaman, indeks keseragaman dan indeks dominasi. Selama penelitian diperoleh rentang kecerahan termasuk dalam kategori perairan keruh, rentang suhu menunjukkan rentang cukup baik untuk pertumbuhan biota perairan, rentang salinitas yang menunjukkan air tawar, rentang TDS termasuk dalam rentang normal dan rentang pH termasuk dalam kategori dari pH rendah. Selama penelitian ditemukan plankton yang termasuk dalam kelas 10 yaitu Bacillariophyceae, Chlorophyceae, Crustacea, Cyanophyceae, Dictyophyceae, Euglenophyceae, Monogononta, Rhizopoda, Rotifera dan Zygnematophyceae. Selama penelitian kelimpahan plankton di Stasiun 1 sebanyak 15.050 individu/Liter, di Stasiun 2 sebanyak 20.819 individu/Liter, di stasiun 3 sebanyak 25.627 individu/Liter. Indeks Keanekaragaman (H') pengamatan berkisar antara 2,709 hingga 3,064 dengan keanekaragaman tertinggi terdapat pada stasiun dua sore sebesar 3,064 dan terendah pada Stasiun 1. Semua stasiun penelitian mempunyai tingkat keanekaragaman sedang. Indeks keseragaman (E) berkisar antara 0,831 sampai 0,940 menunjukkan bahwa jumlah individu tidak merata atau tidak seragam. Indeks dominasi (D) yang berkisar antara 0,057 hingga 0,093 menunjukkan bahwa tidak terdapat jenis plankton tertentu yang mendominasi perairan pada setiap stasiun pengamatan.
Diversity of arboreal insects in the Tagur Tinggi Waterfall Area Lempake District, Samarinda, East Kalimantan Hariani, Nova; Fudiantoro, Aldi; Patang, Fatmawati; Yuliatin, Ervinda; Budiman, Budiman
Biogenesis: Jurnal Ilmiah Biologi Vol 13 No 1 (2025)
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.v13i1.57495

Abstract

The Tagur Tinggi Waterfall region is characterized by its verdant and expansive landscape, featuring diverse flora such as trees and grass. This region is optimal for arboreal insects as a habitat. Arboreal insects, which are abundant and readily seen, inhabit the upper branches of trees and travel between trees to facilitate pollination. The abundance of arboreal insects serves as a reliable measure of the overall well-being of an ecosystem. The present study aims to identify the various species of insects that inhabit the trees in the Tagur Tinggi region and calculate the diversity, evenness, and dominance measures for these arboreal insects. This study used the transect approach, wherein samples are gathered bi-daily in the morning and evening. There were a total of 44 bug species belonging to 19 different families and 8 distinct orders. The arboreal insect diversity index (H') was measured to be 3.24 in the morning and 3.14 in the afternoon. Arboreal insects have an evenness index (E) of 0.91 during the morning and 0.87 during the afternoon. Additionally, they have a dominance index (D) of 0.044 in the morning and 0.056 in the afternoon. According to the health index values obtained, it can be inferred that the Tagur Tinggi Waterfall area in Lempake Samarida Village is highly conducive to the survival of arboreal insects. This is due to the well-preserved habitat and abundant vegetation structure that supports the life of arboreal insects.
Co-Authors Budiman Budiman Fatmawati Patang Kurniati, Reni Medi Hendra, Medi Nova Hariani Patang, Nurfadilah A. Yuliatin, Ervinda