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All Journal Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Jurnal Ilmiah Samudra Akuatika
Ammar, Esraa E.
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Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Environmental Science

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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

Abstract

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.
Dampak Peningkatan Konsentrasi Deterjen terhadap Kualitas Air dan Respons Perilaku Ikan Nila (Oreochromis niloticus) Akbar, Helmy; Utomo, Bagus A.; Zuhri, Muhammad Isnan; Pambudi, Wiwid Arif; Ammar, Esraa E.; Effendi, Hefni
Jurnal Ilmiah Samudra Akuatika Vol 9 No 1 (2025): Jurnal Ilmiah Samudra Akuatika
Publisher : Fakultas Pertanian Universitas Samudra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33059/jisa.v9i1.11525

Abstract

The increased use of detergents during the COVID-19 pandemic has raised concerns regarding their impact on aquatic environments, particularly water quality and aquatic biota. Even prior to the pandemic, the effects of detergent exposure on water quality and aquatic organisms had been studied, but the surge in hand soap and cleaning product usage has likely led to higher concentrations of Linear Alkylbenzene Sulphonate (LAS), a common active ingredient. This study aimed to determine the median lethal concentration (LC50) of detergent compounds, observe behavioral changes in Oreochromis niloticus (Nile tilapia), and examine histopathological damage to gill tissues following exposure. The LC50 value was determined to be 0.061 mg/L, with an effective concentration range between 0.059 mg/L and 0.063 mg/L. Behavioral responses observed in exposed fish included disorientation, reduced responsiveness, and lethargic movements. Histological analysis revealed significant damage to the gill tissue in exposed specimens compared to the control group. These findings indicate that increased detergent concentrations in aquatic environments may pose a significant threat to fish health and overall ecosystem stability.
Co-Authors Akbar, Helmy AL-Farga, Ammar Hefni Effendi Muhammad Arif Nasution Pambudi, Wiwid Arif Singgih Afifa Putra Utomo, Bagus A. Yudi Setiawan Zuhri, Muhammad Isnan