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All Journal El-Hayah : Jurnal Biologi Jurnal Ilmiah Biosaintropis (Bioscience-Tropic)
Nurdianyoto, Indra
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science Immunology & microbiology Medicine & Pharmacology

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Community Structure And Diversity Of Dragonflies (Odonata) As Bioindications Of Water Quality In Telaga Aqua, Tulungagung District Ali, Mukhtar Abdul; Filayani, Muhammad Iqbal; Kartikasari, Desi; Abidin, Zainal; Nurdianyoto, Indra; Maulana, Muhammad Iqbal; Muslimin, Abdul Irhas Ihwanul
El-Hayah:Jurnal Biologi Vol 10, No 2 (2025): EL-HAYAH (VOL 10, NO 2 Maret 2025)
Publisher : Program Study of Biology, Science and Technology Faculty, UIN Maulana Malik Ibrahim Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18860/elha.v10i2.31923

Abstract

Dragonflies also play a role in ecosystems as predators and bioindicators of water quality. The study aims to determine the community structure and diversity of dragonflies in Lake Aqua. The study was conducted in April 2021. Type of qualitative descriptive research, with visual day flying method with 3 observation locations based on vegetation composition and ease of access. Sampling using insect nets, documentation and identification. Based on the results of the study, 10 species of odonata were obtained, including 5 species of dragonflies (Anisoptera) and 5 species of needle dragonflies (Zygoptera). The total number of dragonflies found in 3 locations was 337 individuals from 6 families, including Euphaea variegata, Heliocypha fenestrata, Rhinocypha heterostigma, Vestalis luctuosa, Coeliccia membranipes, Onychogomphus fruhstorferi, Orthetrum glaucum, Orthetrum pruinosum, Orthetrum sabina, and Pantala flavescens. The results of the diversity index (H') showed 2.04 medium categories, the highest abundance was found in the species Euphaea variegata which was valued at 24.9% and the lowest abundance was found in Coeliccia membranipes worth 1.2%. The evenness index of 0.9 is high, the dominance index of 0.2 is low, which means dragonflies have the same opportunity to utilize resources. The calculation of the Family Biotic Index (FBI) to 3 locations of 0.02 is included in the category of very good water quality. The higher the number of dragonflies in the ecosystem, indicating that the ecosystem is still natural and environmental sustainability is maintained. When pollution occurs in the waters, it causes the life cycle of dragonflies to be disrupted and their population to decline.
Identifikasi Mikroplastik di Sungai Ngrowo, Tulungagung Kartikasari, Desi; Zunisnaini, Zunisnaini; Nurdianyoto, Indra
Jurnal Ilmiah Biosaintropis (Bioscience-Tropic) Vol 9 No 2 (2024): January 2024
Publisher : Fakultas Matematika & Ilmu Pengetahuan Alam - Universitas Islam Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33474/e-jbst.v9i2.556

Abstract

Microplastics are synthetic organic polymers with size range 0.001-5 mm. The existance of microplastics disperse in the environment are harmful to human and natural ecosystems along with possess damage effects on aquatic organisms. The aim of the research was to determine types and abundance of microplastics in Ngrowo River Tulungagung. Sampling of microplastics was conducted at three locations, namely north city, center city and south city. The stages of the research were start from abiotic factors measurement of water continued with sampling, filtering and drying sample, purifying and separation of microplastics particle and observation using stereo microscope. The microplastics types found were fragment, fiber, filament, granule and foam with the highest average of abundance 13,450 particles.(m3)-1 at the center city. The colors of microplastics obtained were dark blue, transparent, chocolate, white, black, grey and red with the highest number was dark blue. Microplastics are known derived from run off road the plastic particle, plastic degradation of domestic waste, industry and others anthropogenic activities.
Co-Authors Ali, Mukhtar Abdul Filayani, Muhammad Iqbal Kartikasari, Desi Maulana, Muhammad Iqbal Muslimin, Abdul Irhas Ihwanul Zainal Abidin Zunisnaini, Zunisnaini