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Journal : Biology, Medicine,

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 Adam, Aura Masitha Adiansyah Adiansyah*, Adiansyah Afdal Afdal, Afdal Aghisna, Rana Agustina, Rezqi Maulanda Ahadiah Agustina Aldino, Dhafin Rizky Alfharizi, Ananda Alfitriani Siregar Allo, Jessica Iring Amalia , Riski Amanda, Silvia Ametha, Sisin Nastasya Ananda, Diaz Khalid Ananta, Herdi Gilang Andri Eko Putra, Andri Eko Anggoro, Hendi Tri Angreni , Adella Aolia, Jumatul Arif Widodo Asisa, Wafiq Az-Zahra , Natasha Az-Zahra, Natasha Azalia, Maria Benedicta Azhima, Idzni Azizah , Anisa Fitriani Azizah, Anisa Fitriani Azrina, Nabila Azzmi, Muhammad Batubara, Hafifah Bayustin, Marisa Budiman, Muhammad Akbar Carissa, Monica Dabukke, Hotromasari Dalianti, Novi Dewi, Lesta Puspita Dwi Marselina, Resya Fahrun Nur Rosyid Fatimah, Friska Nur Firmansyah Firmansyah Ginting, Rahmadani Fitri Hadji, Kuswan Hafiz Hafiza, Tia Handa, Yusti Rahayu Hasmidyani, Dwi Hutasuhut, Melfa Aisyah Iwandaka, Age Jannah, Fitriyah Nauratul JELITA, DEA PUTRI Julita Julita Jumrodah Kaisha az, Ratu Kamaruddin, Muhammad Junaid Khairani, Azka Khairunnisa, Nabila Laila, Siti Nur Lubis, Hilda Zahra Masganti Sit Mauliddya, Annisa Muhammad Basri Muhammad, Arifin Nasihah, Siti Nasution, Homsani Nia P, Tasya Halimah Nirmala, Yulia Nugraha, Dadi Mulyadi Nurhasana, Adila Nurlinda Oktasani, Reda Oktavia Nst, Adelyna Oktavia, Rani PAHLEVI, M. REZA Pandini, Anindya Intan Panggabean, Muawiyah Lani Patmawati, Nanda Permatasari, Sheila Silvia Prasetyo, Sisman Putri, Leoni Sabrilina Rahmayani, Isty Ramadani, Shoumi Ramadhani , Nabila Ramadhani, Nabila Rambe, Aulai Ramadhani Rambe, Riris Nurkholidah Restu Agusti Rifany, May Riski Amalia, Riski Riski, M Rosmiati Sangadah , Lailatul Sangadah, Lailatul Sanggar Wati, Amilia Sanjaya Gajah, Ewin Satria, Doni Sayfriani, Angela Sekar Ayu Larasati Sijabat, Salomo Siregar, Jihan Fadiyah Fithri Siregar, Jihan Fadiyah Fitri Sitorus, Ahmad Syukri Solikatun Sukiswo, Helmy Wahyu SUPRIYONO . Suratman Suratman Syafruddin Syafruddin Taufaturrahman Totok Sudiyanto, Totok Ummi, Insyafiatul Waldani, Anggi Jumiafitri Windiati Yanti, Inda Hadi Zahra Vadinda, Farell Zainuddin, Sahida Binti