Komposisi Organisme Biofouling Pada Lambung Kapal Kayu Dengan Dua Merek Cat Antifouling Dan Tanpa Cat Di Pulau Gili Noko, Kabupaten Gresik, Jawa Timur, Indonesia

Andhini, Lili (2025) Komposisi Organisme Biofouling Pada Lambung Kapal Kayu Dengan Dua Merek Cat Antifouling Dan Tanpa Cat Di Pulau Gili Noko, Kabupaten Gresik, Jawa Timur, Indonesia. Other thesis, Sepuluh Nopember Institute of Technology.

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Abstract

Biofouling merupakan masalah umum yang terjadi pada lambung kapal, terutama kapal berbahan kayu yang digunakan secara rutin di perairan tropis. Salah satu cara yang umum digunakan untuk menghambat pertumbuhan Biofouling adalah dengan mengaplikasikan cat antifouling. Penelitian ini bertujuan untuk mengidentifikasi jenis-jenis organisme Biofouling yang menempel pada lambung kapal kayu di perairan Gili Noko, mendeskripsikan perbedaan komposisi organisme pada kapal dengan perlakuan berbeda (tanpa cat, cat merek A (cat antifouling sintetis), dan cat merek B (cat antifouling alami)), serta mengamati kondisi lingkungan saat pengambilan sampel. Sampel diambil dari tiga kapal yang masing-masing memiliki perlakuan berbeda. Pada setiap kapal diambil empat titik pengamatan dengan ukuran 10×10 cm. Organisme yang menempel diamati secara morfologis menggunakan mikroskop stereo dan mikroskop cahaya. Selain itu, parameter lingkungan seperti suhu, salinitas, pH, arus, kecerahan, dan oksigen terlarut juga dicatat sebagai data pendukung. Hasil penelitian menunjukkan bahwa jenis organisme yang paling sering ditemukan adalah Enteromorpha flexuosa dan Oscillatoria rubescens, yang terdapat pada semua kapal. Kapal tanpa cat menunjukkan jumlah jenis organisme yang teramati lebih banyak secara visual, sedangkan kapal dengan cat antifouling menunjukkan komposisi yang lebih terbatas. Spesies Audouinella sp. hanya ditemukan pada kapal yang menggunakan cat merek B (cat antifouling alami). Faktor lingkungan selama pengamatan berada pada kisaran normal untuk perairan tropis dan dapat mendukung pertumbuhan organisme laut secara umum. Hasil ini bersifat deskriptif dan tidak digunakan untuk menilai efektivitas perlakuan secara kuantitatif.
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Biofouling is a common issue that occurs on the hulls of wooden boats, especially those used regularly in tropical waters. One common method to reduce the growth of Biofouling organisms is the application of antifouling paint. This study aimed to identify the types of Biofouling organisms found on the hulls of wooden boats in the waters of Gili Noko, to describe differences in organism composition between boats with different treatments (no paint, antifouling paint brand A, and antifouling paint brand B), and to observe the environmental conditions during sample collection. Samples were taken from three boats with different surface treatments. Four observation points were selected on each boat, each measuring 10×10 cm. The organisms attached to the hulls were observed morphologically using a stereo microscope and a light microscope. Environmental parameters such as temperature, salinity, pH, current speed, light penetration, and dissolved oxygen were also recorded as supporting data. The results showed that Enteromorpha flexuosa and Oscillatoria rubescens were the most frequently observed species, appearing on all boats. The boat without antifouling paint showed a greater number of organism types visually, while the boats with antifouling paint showed a more limited and consistent composition. Audouinella sp. was only found on the boat painted with brand B. The environmental conditions during the study were within the normal range for tropical waters and generally supported the growth of marine organisms. The results of this study are descriptive in nature and are not used to determine the quantitative effectiveness of each treatment.

Item Type:	Thesis (Other)
Uncontrolled Keywords:	Biofouling, cat antifouling, lambung kayu, perairan tropis, Gili Noko, Biofouling, antifouling paint, wooden ship hull, tropical waters, coastal environment.
Subjects:	Q Science > QH Biology > QH301 Biology Q Science > QH Biology > QH541 Ecology Q Science > QH Biology > QH75 Nature conservation. Landscape protection. Biodiversity conservation. Endangered species and ecosystems (General). Habitat conservation. Ecosystem management. Conservation biology V Naval Science > VM431 Fishing boats
Divisions:	Faculty of Mathematics and Science > Biology > 46201-(S1) Undergraduate Thesis
Depositing User:	Lili Andhini
Date Deposited:	06 Aug 2025 07:47
Last Modified:	06 Aug 2025 07:47
URI:	http://repository.its.ac.id/id/eprint/127817

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