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All Journal HAYATI Journal of Biosciences Jurnal Akuakultur Indonesia Aquacoastmarine Jurnal Penelitian Pertanian Terapan Jurnal Sumberdaya Akuatik Indopasifik Acta Aquatica: Aquatic Sciences Journal Jurnal Biologi Tropis Jurnal Laut Khatulistiwa Jurnal Akuatiklestari Aquasains : Jurnal Ilmu Perikanan dan Sumberdaya Perairan e-Jurnal Rekayasa dan Teknologi Budidaya Perairan Jurnal Mina Sains Journal of Tropical Marine Science Jurnal Sylva Lestari Makara Journal of Science Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan AQUACOASTMARINE: Journal of Aquatic & Fisheries Sciences Jurnal Pengabdian Fakultas Pertanian Universitas Lampung Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan Jurnal Perikanan Jurnal abimana (Jurnal Pengabdian Kepada Masyarakat Nasional) Taawun: Jurnal Pengabdian kepada Masyarakat
Qadar Hasani
Universitas Lampung
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Immunology & microbiology Materials Science & Nanotechnology Physics Other

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Journal : HAYATI Journal of Biosciences

 1 
The Effect of Tides on Plankton Communities in the Belawan River Estuary, North Sumatra Leidonald, Rusdi; Muhtadi, Ahmad; Harahap, Cici Maulidiah; Mukra, Rizal; Ishak, Mohd Yusoff; Hasani, Qadar
HAYATI Journal of Biosciences Vol. 33 No. 1 (2026): January 2026
Publisher : Bogor Agricultural University, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.4308/hjb.33.1.114-128

Abstract

The Belawan Estuary is a highly important economic and logistics hub in Sumatra, serving as the primary maritime transportation route in western Indonesia. This estuary is also utilized for multiple purposes, including industrial activity, residential areas, and fisheries. These activities inevitably influence water quality, which in turn affects the presence and population dynamics of plankton in the estuary. This study aimed to examine the spatial and temporal distribution of plankton communities in the Belawan Estuary. Observation points were selected from eight locations representing different activities and regions, including areas near the sea, the middle section, and areas close to land. Plankton samples were collected during high and low tides following the tidal cycle (new moon, first quarter, full moon, and last quarter). Principal component analysis was performed to determine the influence of tidal cycles on plankton composition and abundance in the estuary. A total of 64 plankton genera from 16 classes were identified in the estuary. spatially, the highest abundance was recorded in the mouth estuary during low tide. Temporally, the highest plankton abundance across stations was during the first quarter phase at low tide. These findings indicate that tidal cycles significantly influence plankton abundance in the Belawan Estuary. This phenomenon is attributed to the tidal currents that transport nutrients from the lower layers to the surface waters during both high and low tides. Changes in plankton abundance and species composition can serve as indicators of water fertility in this region and reflect the impacts of changes in environmental conditions.
Co-Authors Abdullah Aman Damai Abdullah Aman Damai Ade Irawan Ade Irawan Afrianti, Nur Afni Agus Hartoko Agus Setyawan Ahmad Muhtadi Anma Hari Kusuma, Anma Hari Aris Budiarto Arlanda, Revilarita Banowati, Nurmaya Tri Berta Putri Bintang Ubamnata Caesario, Rachmad Caesario, Racmad Choiri, Muhamad Fatin Damayanti, Inggar David Julian Delis, Putu Chintia Delis, Putu Cinthia Dwi Mulyasih Edison eko efendi Elisdiana, Yeni Enan Mulyana Adiwilaga Enan Mulyana Adiwilaga Erdi Suroso Esti Harpeni Farida, Eka Nur Harahap, Cici Maulidiah Hari Priyadi Henni Wijayanti Herman Yulianto Herman Yuliyanto Herman Yuliyanto Indra Gumay Febryano Indra Gumay Yudha Indriasih, Indriasih Irawati, Luluk Irvan Hambali Irwan Irwan Ishak, Mohd Yusoff Jati, Ciptaning Weargo Julian, David KARTINI, Nidya Kesuma, Anma Hari Khairul Amri Krismonita, Bella Kuswanta Futas Hidayat Lahay, Almira Fardani Lahay, Almira Fardhani Lana Izzul Azkia, Lana Izzul Lestari, Sepnina Like Limin Santoso Luluk Irawati Mayagues, Henky Mayaguezz, Henky Ma’mun, Asep Muarif, Muarif Muhamad Gilang Arindra Putra Muhammad Reza Muhammad Reza Muhammad Reza Munti Sarida Niken Tunjung Murti Pratiwi Norjanna, Fitri Novita Tresiana Putri, Andri Purnama Putri, Septi Malidda Eka Putriani, Rizha Bery Randy, Dwi Saka Rara Diantari Rizal Mukra Rizha Bery Putriani Rusdi Leidonald Saleh, Yuliana Santosa, Winarto Saputra, Dicky Andre Savitri, Anggun Siregar, Amril Ma'ruf Slamet Budi Yuwono Suparmono Suparmono Supono Supono Susanti, Oktora Susanto, Gregorius Nugroho Sutrisno Anggoro Tamrin Tamrin Tarsim . Tri Banowati, Nurmaya Tugiyono Tugiyono Wahyuni, Efri Wardiyanto Wardiyanto, Wardiyanto Warji Warji Widiastuti, Endang Linirin Yuliana, Darma Yuni Safitri Yusup, Maulid Wahid