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All Journal BIOTIK: Jurnal Ilmiah Biologi Teknologi dan Kependidikan Biology, Medicine, & Natural Product Chemistry Jurnal Biologi Tropis EKSAKTA : Jurnal Penelitian dan Pembelajaran MIPA BIOEDUSAINS: Jurnal Pendidikan Biologi dan Sains Jurnal Pembelajaran dan Biologi Nukleus Best Journal (Biology Education, Sains and Technology) IJOEP : International Journal of Ecophysiology Jurnal Ilmiah Biologi UMA (JIBIOMA) BioEksakta : Jurnal Ilmiah Biologi Unsoed Bioscientist : Jurnal Ilmiah Biologi Journal of Natural Sciences Islamic Journal of Integrated Science Education BIO-CONS: Jurnal Biologi dan Konservasi
Hutasuhut, Melfa Aisyah
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Education Energy Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Mathematics Medicine & Pharmacology Physics Public Health Social Sciences Veterinary Other

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Phytoplankton Diversity as a Water Quality Bioindicator of Mangrove Ecosystems in the Mangrove Rehabilitation and Mangrove Ecotourism Area of Merdeka Beach Serdang Bedagai Aulia, Putri; Hutasuhut, Melfa Aisyah
Biology, Medicine, & Natural Product Chemistry Vol 14, No 1 (2025)
Publisher : Sunan Kalijaga State Islamic University & Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/biomedich.2025.141.575-583

Abstract

This study investigates the diversity and composition of phytoplankton as a bioindicator of water quality in the mangrove ecosystems of Merdeka Beach, Bagan Kuala Village, Serdang Bedagai. Sampling was conducted at three sites representing long-term rehabilitation (2010–2025), recent rehabilitation (2024–2025), and mangrove ecotourism areas. Phytoplankton abundance and diversity were analyzed using ecological indices, including Shannon-Wiener Diversity Index (H’), Trophic Diatom Index (TDI), and Percentage Pollution Tolerance Value (%PTV), alongside physicochemical water parameters. Results indicate spatial variation in water quality and phytoplankton communities. Station 1 showed moderate abundance and high diversity, indicating ecological stability. Station 2 exhibited increased abundance but lower diversity, reflecting transitional conditions. Station 3 demonstrated the highest abundance and pollution-tolerant taxa, consistent with elevated nutrient levels due to human activities. TDI and %PTV values corroborated these findings, identifying Station 3 as hypertrophic and heavily polluted. These results highlight the utility of phytoplankton as sensitive indicators of environmental quality and the effectiveness of rehabilitation efforts. The integration of biotic indices and water parameters provides a robust framework for ongoing ecological monitoring and coastal management strategies, particularly in mangrove ecosystems undergoing anthropogenic pressure and restoration.
Co-Authors Adriati, Devi Ahyadiyani, R. Anas, Nirwana Astuti, Astri Widia Aulia, Putri Ayu Puspita Azzahra, Fathia Balqish, Annisa Deby Anggraini, Deby diana, Rahma Doly, Raja Hanifah Mutia Zaida Ningrum Amrul Harahap, Atika Rahmah Hasibuan, Telni Rusmi Tantri Husnarika Febriani, Husnarika Lestari, Revi Manalu, Kartika Manalu, Kartika Aisyah Novianti, Mutiara Rahmadani, Nurul Rahmadina, Rahmadiana Rahmadina, Rahmadina Ramayati, Ike Rasyidah Rasyidah Rosifa, Gita Dewi Rosmadani, Wiwid Simbolon, Wira Hariati Sitepu, Nurhayani Br Sutriani, Iin Tambunan, Efrida Pima Sari Tambunan, Efrida Prima Sari Tanjung, Fatimah Prawita Putri Samri Tazkiah, Citra Wahyu Aditya Zahratul Idami