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All Journal Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) JURNAL PERIKANAN TROPIS Jurnal Oase Nusantara
Singgih Afifa Putra
Marine and Coastal Resource Management Program, School of Graduate, Bogor Agricultural University, Jl. Agatis No. 1, Bogor, Indonesia. 16680
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Computer Science & IT Earth & Planetary Sciences Education Environmental Science Immunology & microbiology Other

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Esensialitas ekosistem terumbu karang di kawasan urban Putra, Singgih Afifa
Jurnal Oase Nusantara Vol 1 No 2 (2022)
Publisher : Balai Pengembangan Penjaminan Mutu Pendidikan Vokasi Bidang Kelautan Perikanan Teknologi Informasi dan Komunikasi

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Changes Detection of Mangrove Vegetation Area in Banyak Islands Marine Natural Park, Sumatra, Southeast Asia Nasution, Muhammad Arif; Akbar, Helmy; Putra, Singgih Afifa; AL-Farga, Ammar; Ammar, Esraa E.; Setiawan, Yudi
Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Vol 15 No 1 (2025): Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (JPSL)
Publisher : Pusat Penelitian Lingkungan Hidup, IPB (PPLH-IPB) dan Program Studi Pengelolaan Sumberdaya Alam dan Lingkungan, IPB (PS. PSL, SPs. IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jpsl.15.1.68

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Salah satu ekosistem pesisir yang paling produktif adalah hutan bakau, yang memberikan berbagai keuntungan ekologis. Oleh karena itu, penting untuk mengidentifikasi dengan akurat wilayah vegetasi bakau guna melestarikan, mempertahankan, dan mengatur program pengembangan regional dari sudut pandang lingkungan. Untuk melacak perubahan luas vegetasi bakau di Pulau Tuangku (Taman Alam Laut Kepulauan Banyak/BIMNP) antara tahun 2010 dan 2020, studi ini menggunakan citra Landsat dan ALOS PALSAR. Melalui platform Google Earth Engine (GEE) dan kombinasi indeks spektral (NDVI, NDMI, MNDWI, dan MVI) diperiksa menggunakan klasifikasi hutan acak (random forest classification) berbasis tree-based Machine Learning Algortithm. Berdasarkan hasil studi ini, total estimasi luas hutan bakau adalah 818,21 ha pada tahun 2010, 939,91 ha pada tahun 2015, dan 899,96 ha pada tahun 2020. Luas vegetasi bakau meningkat sepanjang pemrosesan citra ALOS PALSAR dari tahun 2010 hingga 2015, namun mengalami penurunan antara tahun 2015 dan 2020. Hasil studi ini dapat membantu BIMNP dalam mengembangkan ekowisata yang bertanggung jawab secara lingkungan di area yang dilindungi.
Divergensi Nutrisi Antara Dua Spesies Sargassum (Phaeophyceae) Simpatrik: Implikasi untuk Aplikasi Pangan Fungsional Tertarget Putra, Singgih Afifa; Widyaswari, Santia Gardenia
JURNAL PERIKANAN TROPIS Vol 12, No 2 (2025)
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jpt.v12i2.13786

Abstract

The industrial application of Sargassum as a functional food ingredient is often limited by a generalized approach that overlooks interspecies biochemical variations. This study addresses current gap through a comparative nutritional analysis of two sympatric species, Sargassum ilicifolium and S. polycystum, collected from the Spermonde Archipelago, Indonesia, to establish a basis for precision bioprospecting. Standardized sample preparation was followed by comprehensive chemical profiling conducted in triplicate (n=3). Proximate and mineral analyses adhered to AOAC protocols, while fatty acid and amino acid profiles were determined using Gas Chromatography-Mass Spectrometry (GC-MS) and Ultra-Performance Liquid Chromatography (UPLC), respectively Comparative data were statistically validated using Independent Samples t-testsResults revealed distinct "functional fingerprints" for each species. S. ilicifolium exhibited significantly higher mineral content, particularly ash and phosphorus, whereas S. polycystum was richer in carbohydrates and crude fiber. A marked divergence was observed in their fatty acid profiles: S. ilicifolium was predominantly characterized by palmitic acid, while S. polycystum was dominated by myristic acid. Although S. ilicifolium had slightly lower total protein, it displayed a superior profile for sports nutrition, with significantly higher concentrations of key branched-chain amino acids (BCAAs), such as leucine. These findings demonstrate that sympatric Sargassum species exhibit unique biochemical profiles, supporting a species-specific approach for targeted functional food applications. Specifically, S. ilicifolium is suited for mineral supplementation and sports nutrition markets, while S. polycystum is better positioned for general food fortification and as a source of specific oleochemicals.
Co-Authors Akbar, Helmy AL-Farga, Ammar Ammar, Esraa E. Muhammad Arif Nasution Widyaswari, Santia Gardenia Yudi Setiawan