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All Journal Jurnal Natur Indonesia Jurnal Perikanan dan Kelautan Jurnal Ilmu Lingkungan JBIO: jurnal biosains (the journal of biosciences) Tunas Geografi Peronema Forestry Science Journal Aquacoastmarine SCHOOL EDUCATION JOURNAL PGSD FIP UNIMED Journal of Applied Geospatial Information Jurnal Penelitian Pendidikan IPA (JPPIPA) Abdimas Talenta : Jurnal Pengabdian Kepada Masyarakat Jurnal Serambi Engineering Jurnal Iktiologi Indonesia (Indonesian Journal of Ichthyology) Journal of Sylva Indonesiana Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan Berkala Ilmiah Biologi Journal of Environmental and Development Studies Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan
Hesti Wahyuningsih
Department Biology, Faculty Of Mathematics And Natural Sciences, Universitas Sumatera Utara. Medan, Indonesia
Agriculture, Biological Sciences & Forestry Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Education Engineering Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Medicine & Pharmacology Physics Social Sciences Veterinary Other

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The Abundance of Microplastics in Sediment Siak River Pekanbaru City Tasya Anaya Dzaki Khalis; Ternala Alexander Barus; Hesti Wahyuningsih
Jurnal Penelitian Pendidikan IPA Vol 10 No 6 (2024): June
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i6.7517

Abstract

Sediments are temporary and long-term reservoirs for waste including microplastic particles.  Microplastics are large-sized plastics that are under 5mm in size. microplastic particles with a density greater than water can enter the sediment and accumulate. High water utilization activities can be a way for plastic waste from land to enter the waters, one of the rivers that has high utilization is the Siak River in Pekanbaru city. This study aims to analyze the abundance and distribution of microplastics based on 3 (three) stations in the Siak River. The research procedure consists of sampling, microplastic separation, and microplastic analysis. The results showed that the Siak River in Pekanbaru city contained microplastic types of fragments (32%), films (31%), fibers (25%), and granules (12%). The highest abundance of microplastics was at station 1 with an average abundance of 32.67/kg which was dominated by fragment-type microplastics. The Siak River in Pekanbaru city has been contaminated with microplastics which can be intentionally or unintentionally eaten by aquatic biota.
Analysis of abundance of microplastic in fish caught in Percut Waters Tia Angraini; Fatimah Fatimah; Hesti Wahyuningsih
Depik Vol 13, No 2 (2024): AUGUST 2024
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.13.2.33859

Abstract

Plastic waste that is not managed properly will damage the environment by polluting the ecosystem. Plastic in waters can turn into micro-sized plastic waste. Plastics whose size is less than 5 mm are called microplastics. The emergence of microplastic pollutants is caused by increasing population activity in Percut Waters. Percut waters are waters located in the coastal area of North Sumatra where there are many anthropogenic activities that cause the emergence of microplastics. Microplastics can have a negative impact on exposed marine biota. Nowadays microplastics are not only found in the environment, but can also accumulate in the bodies of organisms, for example. This research aims to determine the abundance of microplastics in fish found in Percut waters. The research was carried out in October November 2022 in Percut Waters. Fish samples were caught using nets and the samples were separated from their digestive tract and diluted with the addition of NaCl and H2O2 lauric. The average abundance of microplastics in fish samples ranged from 24294 particles. The fish species where the most microplastics were found was mullet fish with 294 particles. The most common types of microplastics found in total are fiber microplastics.Keywords:MicroplasticDigestionCoastalPercut
Analysis of Water Quality Pollution Index Asahan river in Tanjungbalai City Virna Br Sinulingga; Ternala Alexander Barus; Hesti Wahyuningsih
Depik Vol 12, No 3 (2023): DECEMBER 2023
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.12.3.33274

Abstract

The Asahan River, located in the Tanjungbalai city area, is used for plantation, agriculture, animal husbandry activities, toilet washing facilities, hospitals, hotels, settlements, and industry causing the decrease water quality of Asahan River. The purpose of this study was to analyze the water quality and status of the Asahan River water quality in the Tanjungbalai City Area and develop a pollution control strategy that needs to be implemented to prevent a decrease in the Asahan River water quality in the Tanjungbalai City Area. Purposive sampling technique as used to determine the sampling station. In this study, there were 6 sampling stations based on the activities of the local community with 3 repetitions of sampling. The data analysis techniques from this study are Water Quality Analysis using the Pollution Index (IP) Method and Water Pollution Control Strategy Analysis. The results of water quality analysis based on the pollution index on Asahan river water in Tanjungbalai City show that the average water pollution index is in the moderately polluted category. The maximum of river water pollution index results were at station 2 is 9,086 and the minimum of river water pollution index results were at station 5 is 6,111.Water pollution occurs due to the parameters of phosphate, detergent, oil and grease, and total coliform which have exceeded the quality standard threshold based on Government Regulation of the Republic of Indonesia Number 21 of the year 2022 concerning Management of Water Quality and Control of Class I Water Pollution.Keywords:Asahan RiverWater pollution IndexWater Quality
Diversity of Migratory Waterbirds along the Deli Serdang Coast, North Sumatra Fachrul Azhari Silalahi; Erni Jumilawaty; Hesti Wahyuningsih
Journal of Sylva Indonesiana Vol. 9 No. 01 (2026): Journal of Sylva Indonesiana
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jsi.v9i01.23890

Abstract

Migratory waterbirds rely strongly on wetland ecosystems as staging and refueling sites along their migration routes, including those situated within the East Asian–Australasian Flyway (EAAF) traversing Sumatra. This study aim to record the species diversity, evenness, and community similarity of migratory waterbirds along the Deli Serdang coast, North Sumatra. Field surveys were conducted from September to October 2025 at three intertidal mudflat sites: Paluh Getah, Muara Sei Tuan, and Bagan Serdang. Species identification was performed using binoculars, a monocular telescope, and photographic documentation. Waterbird assemblages were quantified using the concentration count and block methods, followed by calculation of the Shannon–Wiener diversity index (H′), species evenness (E), and inter-site similarity (IS). A total of 21 migratory waterbird species were recorded, with the Pacific Golden Plover (Pluvialis fulva) representing the most abundant species (582 individuals). Diversity (H') indices across all sites indicated moderate diversity, whereas E values were consistently high, reflecting relatively uniform species distributions. The most similar avian community was observed between Paluh Getah and Muara Sei Tuan (93.75%), likely attributable to similar habitat structure and levels of anthropogenic disturbance. These findings demonstrated that the mudflats of Deli Serdang constitute an ecologically important staging habitat for migratory waterbirds along the EAAF, including several species of conservation concern. Strengthened habitat protection and management are therefore essential to support the existence of migratory populations dependent on this coastal region.
Co-Authors . Elvitriana Agus Oman Sudrajat Ahmad Muhtadi Ahmad Mutadi Alvi Syahrin Ani Suryanti Arbi Maulana Arif Nuhalin Nasution Aththorick, T Alief Atni, Oky Kusuma Baehaqi Berliani, Kaniwa Charo Lina Kaban Delvian Delvian Delvian Desrita Desrita Desti Natalia Simbolon Dilla Ersyahdes Riski Elimasni Enzelia R Gultom Erlangga Erlangga Erman Munir Erni Jumilawaty Erni Jumilawaty etti sartina siregar Eva Christina S Fachri Fauzi Fachrul Azhari Silalahi Fatimah Fatimah Fatmadhona Artamadya Fernades SP Simarmata Frandy Tulus Siahaan Hamdani Harahap Hariadi Sirait Hasan, Uswatul Hermansyah Hotnida Sinaga Indra Lesmana Ira Mutiara Lumbangaol Isnaini Nurwahyuni Johannes Keynes Harianja Julius Paolo Siregar Khairul Khairul, Khairul KIKI NURTJAHJA Liana Dwi Sri Hastuti Lubis, Putri Amelia Mardhatillah, Siti Margolang, Anggi R. Mars Sella Sinurat Masitta Tanjung Muhammad Zairin Jr Munawwar Khalil, Munawwar Nababan, Esther Sorta Mauli Nasution, Ahmad Luthfi Abdillah Nasution, Tulus I. Nathasya Zaharuddin NUNUK PRIYANI Onrizal Onrizal Pardosi, Sinta R Pera Herawati Puji Cintami Tambun Pulungan, Afran Rouzani Rahman Al Faris Raswin Nasution Ratna Dewi Sinaga Rusdi Leidonald Rusdi Machrizal Safira Mustaqilla Saiful Adhar Siagian, Gunaria Silfy Anisa Nasution Simaremare, Elisabet Rosevenny Supardi Harahap Supriharti, Deny Tajudddin Siregar Tantri Ayu Syahfitri Tasya Anaya Dzaki Khalis Ternala A Barus Ternala A Barus Ternala Alexander Barus Ternala Alexander Barus Ternala Alexander Barus Tia Angraini Toberni S Situmorang TRI WULANDARI Virna Br Sinulingga Wasmen Manalu windy windy Winni J. S Simbolon Wira Khairulsyah Wulan Apridamayanti Yoes Soemaryono Yohana, Winda Y. Yunasfi Yunasfi Zulham Apandy Harahap