Jati, Ina Sintya Atika (2025) Analisis Potensi Gafrarium pectinatum Dan Anadara antiquata Sebagai Sentinel Organism Dalam Monitoring Pencemaran Mikroplastik Di Pesisir Lamongan. Masters thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Pantai Utara Lamongan mengalami pencemaran lingkungan yang berkaitan dengan kelimpahan sampah plastik pada wilayah pesisirnya. Plastik yang berada di seluruh perairan akan mengalami degradasi menjadi partikel kecil dengan rentang ukuran 1-5000 μm yang disebut mikroplastik. Ukuran mikroplastik yang kecil memungkinkan mikroplastik tertelan oleh organisme akuatik. Salah satu organisme yang paling rentan terhadap paparan mikroplastik adalah bivalvia, karena sifatnya sebagai filter-feeder yang menyaring air dan partikel tersuspensi sebagai sumber makanannya. Selain itu, bivalvia memiliki karakteristik ekologis seperti hidupnya menetap, distribusinya luas, dan memiliki toleransi tinggi terhadap polutan, menjadikannya pilihan yang sesuai sebagai organisme sentinel dalam monitoring mikroplastik. Di wilayah pesisir Lamongan, dua spesies bivalvia yang mendominasi dan memenuhi kriteria tersebut adalah Gafrarium pectinatum dan Anadara antiquata, sehingga penelitian ini dilakukan pada dua lokasi. Tujuan dari penelitian ini ialah untuk mengetahui kelimpahan mikroplastik, karakteristik fisik-kimia pada G. pectinatum, A. antiquata, air laut, dan sedimen, serta potensi bivalvia sebagai organisme sentinel terhadap pencemaran mikroplastik. Identifikasi mikroplastik dilakukan berdasarkan karakteristik fisik dan kimia. Dari hasil penelitian, mikroplastik ditemukan pada G. pectinatum, A. antiquata, air laut, dan sedimen. Rata-rata kelimpahan tertinggi mikroplastik sampel berada di stasiun dua, yaitu pada G. pectinatum 290,11 partikel/individu, pada A. antiquata 328,56 partikel/individu, pada air 1586666,67 partikel/m3, dan pada sedimen 7448,89 partikel/kg. Bentuk mikroplastik dominan yang didapatkan adalah fragmen dengan rentang ukuran 20-40 µm, berwarna biru. Sedangkan polimer mikroplastik yang didapatkan dari sampel meliputi jenis polyethylene terephthalate (PET) dan ethylene vinyl acetate (EVA). Analisis potensi bivalvia sebagai organisme sentinel dalam monitoring mikroplastik di pesisir Lamongan menunjukkan hasil bahwa A. antiquata yang lebih berpotensi menjadi organisme sentinel.
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The northern coast of Lamongan is experiencing environmental pollution related to the abundance of plastic waste in its coastal areas. Plastic present throughout the water column degrades into small particles ranging in size from 1 to 5,000 μm, known as microplastics. The small size of microplastics allows them to be ingested by aquatic organisms. One of the most vulnerable organisms to microplastic exposure is bivalves, due to their filter-feeding nature, which involves straining water and suspended particles as their food source. Additionally, bivalves have ecological characteristics such as being sedentary, having a wide distribution, and exhibiting high tolerance to pollutants, making them suitable as sentinel organisms for microplastic monitoring. In the coastal area of Lamongan, two dominant bivalve species that meet these criteria are Gafrarium pectinatum and Anadara antiquata, hence this study was conducted at two locations. The objectives of this study were to determine the abundance of microplastics, the physical-chemical characteristics of G. pectinatum, A. antiquata, seawater, and sediment, as well as the potential of bivalves as sentinel organisms for microplastic pollution. Microplastics were identified based on their physical and chemical characteristics. From the results of the study, microplastics were found in G. pectinatum, A. antiquata, seawater, and sediment. The highest average microplastic abundance in the samples was found at station two, with 290.11 particles/individual in G. pectinatum, 328.56 particles/individual in A. antiquata, 1,586,666.67 particles/m3 in seawater, and 7,448.89 particles/kg in sediment. The dominant microplastic form found was fragments with a size range of 20–40 µm, colored blue. The microplastic polymers obtained from the samples included polyethylene terephthalate (PET) and ethylene vinyl acetate (EVA). Analysis of the potential of bivalves as sentinel organisms in monitoring microplastics along the Lamongan coastline indicated that A. antiquata is more suitable as a sentinel organism.
Item Type: | Thesis (Masters) |
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Uncontrolled Keywords: | bivalvia, mikroplastik, organisme sentiel, pesisir, bivalves, coastal, microplastic, sentinel organism |
Subjects: | Q Science Q Science > QH Biology Q Science > QH Biology > QH541 Ecology |
Divisions: | Faculty of Science and Data Analytics (SCIENTICS) > Biology > 46101-(S2) Master Thesis |
Depositing User: | Ina Sintya Atika Jati |
Date Deposited: | 05 Aug 2025 03:29 |
Last Modified: | 05 Aug 2025 03:29 |
URI: | http://repository.its.ac.id/id/eprint/126548 |
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