Laju Pertumbuhan Karang Transplantasi Acropora Muricata Pada Media Beton Terumbu Buatan Dengan Konsentrasi Faba Berbeda

Masruroh, Faizah Afifah (2026) Laju Pertumbuhan Karang Transplantasi Acropora Muricata Pada Media Beton Terumbu Buatan Dengan Konsentrasi Faba Berbeda. Other thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Terumbu karang merupakan salah satu ekosistem laut yang paling produktif dan memiliki peran penting sebagai habitat biota, pelindung pantai, serta penunjang sektor perikanan dan pariwisata. Namun, ekosistem ini mengalami tingkat degradasi yang tinggi akibat aktivitas manusia maupun perubahan lingkungan, sehingga diperlukan berbagai upaya rehabilitasi. Salah satu metode rehabilitasi yang dapat diterapkan adalah penggunaan beton terumbu buatan berbasis limbah Fly Ash dan Bottom Ash (FABA) sebagai media transplantasi karang. Penggunaan FABA terkendala adanya kandungan logam berat di dalamnya berpotensi memberikan dampak terhadap lingkungan. Oleh karena itu, penelitian ini bertujuan untuk menguji respons pertumbuhan transplantasi karang A. muricatapada media beton terumbu buatan berbahan FABA yang berasal dari PLTU Paiton. Penelitian diawali dengan pembuatan beton terumbu buatan menggunakan empat variasi konsentrasi FABA sebagai pengganti sebagian material penyusun beton, yaitu 0%, 25%, 50%, dan 75%, yang disusun dalam beberapa perlakuan (B1–B13). Fragmen A. muricata sepanjang ±10 cm digunakan sebagai objek penelitian. Ujung aksial koralit dipotong untuk merangsang pembentukan percabangan baru sebelum fragmen ditransplantasikan ke media beton. Setiap perlakuan terdiri atas delapan ulangan. Parameter yang diamati meliputi laju elongasi (growth rate) dan pertambahan jumlah cabang (branching rate), yang diukur setiap bulan selama enam bulan. Penelitian menggunakan rancangan acak lengkap (RAL), sedangkan data pertumbuhan dianalisis menggunakan uji ANOVA one-way yang dilanjutkan dengan uji Tukey untuk mengetahui perbedaan antarperlakuan. Hasil penelitian menunjukkan bahwa perlakuan B.1 hingga B6 berada dalam kelompok yang sama yakni menghasilkan nilai yang serupa dengan kontrol sedangkan kelompok B8 hingga B13 berbeda signifikan dengan kelompok sebelumnya. Hasil pada pertambahan jumlah cabang juga menunjukkan hasil yang serupa.
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Coral reefs are among the most productive marine ecosystems and play a vital role as habitats for marine organisms, coastal protection, and the support of fisheries and tourism sectors. However, these ecosystems are experiencing severe degradation due to human activities and environmental changes, making rehabilitation efforts increasingly necessary. One rehabilitation approach is the use of artificial reef concrete incorporating Fly Ash and Bottom Ash (FABA) as a substrate for coral transplantation. Nevertheless, the application of FABA is constrained by its potential heavy metal content, which may pose environmental risks. Therefore, this study aimed to evaluate the growth response of transplanted A. muricataon artificial reef concrete made with FABA sourced from the Paiton Coal-Fired Power Plant (PLTU Paiton). The study began with the fabrication of artificial reef concrete using four FABA concentrations (0%, 25%, 50%, and 75%) as partial replacements for conventional concrete materials, resulting in thirteen treatment combinations (B1–B13). Fragments of A. muricata measuring approximately 10 cm in length were used as the experimental specimens. The axial corallite tips were removed prior to transplantation to stimulate the formation of new branches. Each treatment consisted of eight replicates. Growth performance was evaluated based on elongation rate and branching rate, which were measured monthly over a six-month period. The experiment employed a Completely Randomized Design (CRD), and the growth data were analyzed using one-way analysis of variance (ANOVA), followed by Tukey's post hoc test to determine significant differences among treatments.The results showed that treatments B1–B6 belonged to the same statistical group, producing growth responses comparable to the control treatment, whereas treatments B8–B13 differed significantly from the former group. A similar pattern was observed for branch formation, with B1–B6 showing branching responses comparable to the control and significantly higher than those of B8–B13.

Item Type:	Thesis (Other)
Uncontrolled Keywords:	Acropora muricata, Fly Ash and Bottom Ash (FABA), Laju Pertumbuhan, Terumbu Buatan, Transplantasi Karang, Artificial reef, coral transplantation, Growth rate,.
Subjects:	Q Science Q Science > QH Biology > QH75 Nature conservation. Landscape protection. Biodiversity conservation. Endangered species and ecosystems (General). Habitat conservation. Ecosystem management. Conservation biology
Divisions:	Faculty of Science and Data Analytics (SCIENTICS) > Biology > 46201-(S1) Undergraduate Thesis
Depositing User:	Faizah Afifah Masruroh
Date Deposited:	31 Jul 2026 08:11
Last Modified:	31 Jul 2026 08:11
URI:	http://repository.its.ac.id/id/eprint/140953

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