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All Journal Spizaetus: Jurnal Biologi dan Pendidikan Biologi Jurnal Teslink : Teknik Sipil dan Lingkungan
Salsabila Putri, Desi
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Education Environmental Science Immunology & microbiology Transportation Other

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Journal : Spizaetus: Jurnal Biologi dan Pendidikan Biologi

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Komunitas Fitoplankton sebagai Bioindikator Kualitas Air Sungai Kali Surabaya Salsabila Putri, Desi; Hendriyanto Cahyonugroho, Okik
Spizaetus: Jurnal Biologi dan Pendidikan Biologi Vol 6 No 3 (2025): Spizaetus: Jurnal Biologi dan Pendidikan Biologi
Publisher : Program Studi Pendidikan Biologi, FKIP, Universitas Nusa Nipa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55241/spibio.v6i3.658

Abstract

The Kali Surabaya River is one of Indonesia's rivers impacted by pollution from industrial and domestic activities. Conventional water pollution analysis generally relies on physicochemical parameters and often overlooks biological factors. This study aims to analyze phytoplankton biological indices as bioindicators of water quality and integrate them with the results of the Pollution Index (PI). Water samples were collected using purposive sampling from four stations for the analysis of physicochemical parameters and phytoplankton identification using a 40 µm plankton net. The obtained data were analyzed by calculating the phytoplankton diversity index and the Pollution Index (PI). During the two-week research period, the phytoplankton community structure was dominated by Scenedesmus sp. (22.92%), Nitzschia sp. (12.76%), and Merismopedia sp. (10.75%), indicating organic pollution and eutrophication in the Kali Surabaya River. The PI results classified the river as slightly polluted (1.8 – 4.935). This study concludes that the integration of phytoplankton bioindicators with the pollution index analysis is effective in indicating pollution status and condition.
Co-Authors Hendriyanto Cahyonugroho, Okik Muhammad Abdus Salam Jawwad Rama Wijaya