AMAJID, ABDAN FARUQ (2023) KELIMPAHAN MIKROPLASTIK BERDASARKAN BENTUK PERTUMBUHAN (lifeform) KARANG DI PERAIRAN ZONA PERLINDUNGANDAN ZONA PEMANFAATAN PARIWISATA KEPULAUAN KARIMUNJAWA, JEPARA (23da194). Undergraduate thesis, Fakultas Perikanan dan Ilmu Kelautan.

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Abstract

ABSTRAK
(Abdan Faruq Amajid, 26020116130083, Kelimpahan Mikroplastiks
Berdasarkan Bentuk Pertumbuhan (lifeform) Karang di Zona Perlindungandan Zona Pemanfaatan Kepulauan Karimunjawa, Jepara. Agus Sabdono dan Diah Permata Wijayanti).

Kepulauan Karimunjawa merupakan salah satu Kawasan Taman Nasional yang terdapat di Indonesia yang terdiri dari beberapa zonasi yang disesuaikan dengan fungsi dan peruntukkannya yaitu Zona Inti, Zona Perlindungan, Zona Pemanfaatan Bahari. Kepulauan karimunjawa juga menjadi salah satu destinasi pariwisata yang menyuguhkan keindahan bawah laut seperti terumbu karang. Meningkatnya aktivitas manusia dan pariwasata dapat menyebabkan tingginya pencemaran sampah. Mikroplastik merupakan partikel plastik yang berukuran kecil dan memiliki ukuran kurang dari 5 mm. Tujuan dari penelitian ini adalah untuk
mengetahui hubungan mikroplastik terhadap bentuk pertumbuhan (lifeform) karang di Zona Perlindungandan Zona Pemanfaatan Pariwisata Kepulauan Karimunjawa, Jepara. Pengambilan sampel karang menggunakan metode purposive random sampling menggunakan alat selam SCUBA di kawasan ekosistem terumbu karang dengan kedalaman 3–5 meter. Sampel karang diambil dengan ukuran 1-3 cm. Pengolahan sampel dilakukan di laboratorium dengan cara menghancurkan. Sampel karang direndam menggunakan larutan ZnCl2 dan disaring dengan kertas whatman 0,45 μm. Pengamatan mikroplastik menggunakan mikroskop binokular perbesaran 20x dan software IC Measure untuk mengidentifikasi kelimpahan dan bentuk mikroplastik. Hasil penelitian menunjukan bahwa karang Acropora (branching) memiliki kelimpahan mikroplastik tertinggi sebesar 22.4 partikel/gram, diikuti karang Pocillopora (submassive) sebesar 12.64 partikel/gram dan paling sedikit pada karang Favia (massive) sebesar 11.67 partikel/gram. Bentuk partikel mikroplastik yang ditemukan adalah film, fiber dan fragmen.

Kata Kunci: Zona perlindungan, Zona Pemanfaatan, Mikroplastik, lifeform karang.

ABSTRACT
(Abdan Faruq Amajid, 26020116130083, Abundance of
Microplastics Based on Coral Lifeforms in the Protection and Utilization Zones of the Karimunjawa Islands, Jepara. Agus Sabdono and Diah Permata Wijayanti)

The Karimunjawa Archipelago is one of the National Park Areas in
Indonesia which consists of several zonings that are adapted to their functions and designations, namely the Core Zone, Protection Zone, Marine Utilization Zone. The Karimunjawa Islands are also one of the tourism destinations that present
underwater beauty such as coral reefs. Increased human activity and tourism can lead to high waste pollution. Microplastics are plastic particles that are small and have a size of less than 5 mm. The purpose of this study was to determine the relationship of microplastics to coral lifeforms in the protection and utilization
zones of the Karimunjawa Islands, Jepara. Coral samples were collected using a purposive random sampling method using SCUBA diving equipment in coral reef ecosystem areas with a depth of 3-5 meters. Coral samples were taken with a size of 1-3 cm. Sample processing is carried out in the laboratory by crushing. Coral samples were soaked using ZnCl2 solution and filtered with 0.45 μm Whatman paper. Microplastic observation using a 20x magnification binocular microscope and IC Measure software to identify the abundance and shape of microplastics. The results showed that Acropora coral (branching) had the highest microplastic abundance of 22.4 particles/gram, followed by Pocillopora coral (submassive) of 12.64 particles/gram, and the least in Favia coral (massive) of 11.67 particles/gram. Panjang and Karimunjawa National Park have no significant difference. The forms of microplastic particles found were films, fibers and fragments.

Keywords: Protection zone, Utilization Zone, Microplastics, coral lifeforms.

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