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All Journal Jurnal Teknologi Perikanan dan Kelautan Jurnal Ilmu dan Teknologi Kelautan Tropis BULETIN OSEANOGRAFI MARINA Jurnal Kelautan : Indonesian Journal of Marine Science and Technology Jurnal Kelautan Tropis Acta Aquatica: Aquatic Sciences Journal Samakia: Jurnal Ilmu Perikanan Marine Kreatif International Journal of Engineering, Science and Information Technology Buletin Pengabdian Journal of Marine Studies Jurnal Solusi Masyarakat Dikara Jurnal Perikanan Terpadu
Imamshadiqin, Imamshadiqin
Program Studi Ilmu Kelautan, Fakultas Pertanian, Universitas Malikussaleh
Agriculture, Biological Sciences & Forestry Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Public Health Social Sciences Transportation Other

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IDENTIFIKASI MIKROALGA LAUT POTENSIAL SEBAGAI BAHAN BAKU BIODIESEL DI KECAMATAN BANDA SAKTI KOTA LHOKSEUMAWE Erlangga; Imanullah; Imamshadiqin; Syahrin, Alfi; Siregar, Dodi Fanhalen; Ramadansyah, Syahrul; Yudho Andika
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 14 No. 1 (2022): Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jitkt.v14i1.39258

Abstract

Banyak penelitian yang telah dilakukan untuk menemukan potensi sumber energi alternatif dari bahan-bahan yang dapat diperbarui dan ramah lingkungan akibat dari menipisnya sumber energi fosil. Salah satu upaya dalam meningkatkan kemandirian energi adalah dengan menyiapkan bahan bakar alternatif potensial yang berasal dari mikroalga. Kecamatan Banda Sakti memiliki potensi sumberdaya pesisir dan lautan yang belum banyak dikaji, salah satunya adalah mikroalga. Tujuan penelitian ini untuk mengetahui jenis mikroalga yang berpotensi sebagai bahan baku biodiesel di Kecamatan Banda Sakti Kota Lhokseumawe. Penelitian dilaksanakan pada bulan Oktober – November 2021 di Perairan Laut Kecamatan Banda Sakti, Kota Lhokseumawe dengan menggunakan metode purposive sampling. Ditemukan sebanyak 143 jenis mikroalga dan ditemukan 4 jenis mikroalga yang telah dikembangkan sebagai bahan biodiesel yaitu Cholera sp., Spirulina sp., Nitzschia sp., dan Chaetoceros sp. Jenis mikroalga yang paling melimpah yaitu Raphidonema sp., jenis ini perlu diteliti lebih lanjut untuk melihat potensi sebagai bahan baku biodiesel. Kelimpahan total mikroalga berkisar antara 350,00–561,11 ind/L. Nilai parameter kualitas perairan masih dalam kondisi baik untuk kehidupan mikroalga. Perairan laut Kecamatan Banda Sakti, Kota Lhokseumawe memiliki potensi mikroalga untuk dikembangkan sebagai bahan baku biodiesel.
Community structure and environmental suitability of zooplankton in the coastal waters of Lhokseumawe City, Indonesia Andika, Yudho; Erlangga, Erlangga; Erniati, Erniati; Imanullah, Imanullah; Imamshadiqin, Imamshadiqin; Ramadansyah, Syahrul
Journal of Marine Studies Volume 3, Issue 1 (March, 2026)
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/joms.v3i1.23618

Abstract

Zooplankton or animal plankton, is an organism that is generally small in size whose life is swayed by currents in the free ocean. Banda Sakti District, Lhokseumawe City is a coastal area with potential for the study of its coastal waters, which have not been extensively explored. The purpose of this study was to assess the zooplankton community structure—including abundance, diversity, uniformity, and dominance in the coastal waters of Banda Sakti District, and to evaluate water quality conditions in relation to their suitability for supporting zooplankton life. The research was conducted in December 2021 in the coastal waters of Banda Sakti District, Lhokseumawe City, using a purposive sampling method. A total of 50 zooplankton species representing 10 phyla were identified. The total abundance of zooplankton in this study ranged from 105.55 – 140.27 ind/L. In this study, the diversity index value ranged from 22.14 to 2.77, the uniformity index ranged from 0.65 to 0.79, and the dominance index ranged from 0.04 to 0.05. Overall, water quality parameters indicated that the coastal waters of Banda Sakti District remain within suitable conditions to sustain zooplankton communities according to established environmental standards.
Ecological Pressures In Pusong Harbour: Integrated Assessment Of Water Quality, Nutrient Enrichment, And Pollution Index 'Akla, Cut Meurah Nurul; Lubis, Malik Pajar; Erniati, Erniati; Firdaus, Rian; Imamshadiqin, Imamshadiqin; Imanullah, Imanullah
Jurnal Kelautan Vol 18, No 3: Desember (2025)
Publisher : Department of Marine Sciences, Trunojoyo University of Madura, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/jk.v18i3.31725

Abstract

ABSTRACTPusong Harbor in Lhokseumawe City doubles as a center for fisheries activities as well as a habitat for marine biota, making it vulnerable to pollution pressure from anthropogenic activities. This study aims to assess water quality through the analysis of physico-chemical parameters, nutrient content (nitrate and phosphate), pollution index, and spatial variation patterns using a multivariate approach. Measurements were taken at three stations representing the locations of boat moorings, settlements, and fish farms. The measurement results showed that basic parameters such as salinity (32-33‰), pH (7.5-8.0), dissolved oxygen (5.8-6.3 mg/L), and BOD (1.6-3.6 mg/L) were still within the quality standard range, but the brightness level was low (0.8-0.9 m) and the phosphate concentration was very high (7.2-10.1 mg/L), exceeding the quality standard by hundreds of times. The pollution index based on the harbor quality standard showed a Slightly polluted (PI = 1.09-1.11), but based on the marine biota quality standard it was classified as "heavily polluted" (PI = 10.3-10.9). PCA analysis identified phosphate and BOD as the dominant factors differentiating water quality, while temperature, salinity and DO were more reflective of natural conditions. Cluster analysis showed that stations 1 and 3 were similar, while station 2 differed significantly due to local pressures. This finding confirms the serious ecological pressures in the harbor area, especially due to excessive nutrient loads, and calls for pollutant control strategies and continuous monitoring to maintain the sustainability of coastal ecosystems. The study highlights the urgent need to address nutrient-driven pollution in Pusong Harbor, where phosphate concentrations exceed marine biota standards by hundreds of times despite most basic water parameters remaining within acceptable limits. This excessive nutrient load poses a serious threat of eutrophication, habitat degradation, and loss of biodiversity in a harbor that supports both fisheries activities and critical marine life. By integrating physico-chemical measurements, nutrient analysis, and multivariate statistics, the research identifies phosphate and BOD as key pollution drivers and reveals spatial variation linked to human activities. These findings provide evidence-based guidance for local management and policy, calling for targeted pollutant control and continuous monitoring to protect coastal ecosystems. The multivariate framework also offers a replicable approach for similar small-harbor environments across Southeast Asia.Keywords: water quality, pollution index, PCA, cluster, nutrients, Pusong Harbour
Co-Authors 'Akla akla 'Akla, C. M. N. Alfi Syahrin, Alfi Andika Syahputra, Andika Andika, Yudho Anggi Mayulina Daulay Aprilita, T. Salsa Arifin, A. Hadi Arina Ruzanna Ayub Sugara Azhari Mataniari Chairissa, Teungku Siti Chalirafi, Chalirafi Cut Meurah Nurul ‘Akla Daulay, Anggi Mayulina Dila, Nuriana Dodi Fanhalen Siregar Elva Dwi Yulistia Erlangga Erlangga Erlangga Erlangga Erlangga Erlangga Erlangga Erniati Erniati Erniati Erniati Erniati Erniati, Erniati Fadli Fadli Febyola, Salsabilla Firdaus, Rian Gara Hasonangan Ritonga Handayani, Meutia Hefni Effendi Helmi Gusnita Hikmal, Zulhaikal Husaen, Yusril Ikramuddin, Ikramuddin Ilhami, Bq Tri Khairani Imanullah Imanullah Imanullah Imanullah Imanullah Imanullah, Imanullah Irmayunita Irmayunita Irmayunita irmayunita Irmayunita, Irmayunita Kembaren, Emmia Tambarta Lazuardi, Rafly Lubis, Malik Pajar Mataniari, Azhari Matriadi, Faisal Maulana, Sanja Meutia Handayani Misbahul Jannah Muhammad Farhan MUJIZAT KAWAROE Muliani Muliani, Muliani Muliari Muliari Muliari Muliari NEVIATY PUTRI ZAMANI Nuriana Dila Nurmayana, Nurmayana Prasetyo, Repki Rafly Lazuardy Rahmadian, Alfina Wahyu Ramadansyah, Syahrul Repki Prasetyo Rian Firdaus Riri Ezraneti Riri Ezraneti Ritonga, Gara Hasonangan Rizalul Fikri, Rizalul Roza Yusfiandayani Rusman, Renggalyta Ruzanna, Arina Saiful Adhar Sanja Maulana Siregar, Dodi Fanhalen Sitanggang, Hizrah Ayumi Sohibil Yamin Suryadi Suryadi SYAHRIAL SYAHRIAL Syahrial Syahrial Syahrial Syahrial Syamsiar, Syamsiar Tauladan, Toha Ali Valentinoo, Bagas Arie Maulana Wilman shobara Yudho Andika Yudho Andika Yudho Andika Yulistia, Elva Dwi