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      • UT - Aquatic Resources Management
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      Struktur Komunitas Ikan di Ekosistem Padang Lamun, Pulau Pramuka, Kepulauan Seribu

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      Date
      2025
      Author
      Nadaa, Fathimah Qothrun
      Sulistiono
      Simanjuntak, Charles Parningotan Haratua
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      Abstract
      Ekosistem padang lamun berfungsi sebagai habitat, area asuhan, tempat memijah, mencari makan, dan berlindung bagi berbagai jenis ikan dan biota laut lainnya. Keberadaan ekosistem ini memiliki peran penting dalam keberlanjutan sumber daya ikan. Penelitian mengenai struktur komunitas ikan di ekosistem padang lamun Pulau Pramuka belum banyak dilakukan. Penelitian ini bertujuan menganalisis struktur komunitas ikan di ekosistem padang lamun Pulau Pramuka pada kondisi perairan pasang dan surut. Pengumpulan data dilakukan dari bulan Oktober hingga Desember 2023. Pengambilan contoh ikan menggunakan jaring insang dengan tiga ukuran mata jaring yang berbeda. Contoh ikan diidentifikasi dan diukur panjang dan bobot tubuhnya. Analisis data yang dilakukan meliputi kelimpahan ikan, indeks kekayaan spesies, keanekaragaman, keseragaman, dan dominansi. Total ikan yang tertangkap selama penelitian terdiri atas 3.715 individu, 12 ordo, 26 famili, dan 71 spesies. Keanekaragaman dan keseragaman ikan didapatkan lebih tinggi pada kondisi air surut, sedangkan kekayaan dan dominansi didapatkan lebih tinggi pada kondisi air pasang. Struktur komunitas ikan baik pada saat pasang maupun surut menunjukkan tidak adanya perbedaan yang signifikan.
       
      Seagrass ecosystems play a crucial role as vital habitats, nursery areas, spawning grounds, feeding zones, and shelters for a diverse array of fish and marine species. Preserving these ecosystems is essential for the sustainability of fish resources. However, research on the fish community structure within the seagrass ecosystem of Pramuka Island has been limited. This study aims to evaluate the fish community structure in the seagrass ecosystem of Pramuka Island during high and low tide conditions. Data collection was conducted from October to December 2023 using gill nets with three different mesh sizes to capture fish samples. The collected fish were identified and measured for length and body weight. Data analysis involved assessments of fish abundance, species richness, diversity, evenness, and dominance. A total of 3.715 individuals belonging to 12 orders, 26 families, and 71 species were captured during the study. Fish diversity and evenness were found to be greater at low tide, while species richness and dominance peaked at high tide. Overall, the fish community structure at both high and low tides showed no significant differences.
       
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      http://repository.ipb.ac.id/handle/123456789/161090
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      • UT - Aquatic Resources Management [2595]

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      Copyright © 2020 Library of IPB University
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