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All Journal Jurnal Pasir Laut Jurnal Natur Indonesia Berkala Perikanan Terubuk Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan JURNAL ENGGANO Asian Journal of Aquatic Sciences Jurnal Riset Kelautan Tropis (Journal Of Tropical Marine Research) (J-Tropimar) Journal of Coastal and Ocean Sciences Journal of Rural and Urban Community Empowerment Krinok:Jurnal Linguistik Budaya Jurnal Riset Kelautan Tropis (J-Tropimar) ARZUSIN: Jurnal Manajemen dan Pendidikan Dasar Nanggroe: Journal Of Scholarly Service Nanggroe: Journal of Scholarly Service Jurnal Natur Indonesia

Ilham Ilahi

Universitas Riau

Author-ID : 285753

Religion Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Medicine & Pharmacology Neuroscience Nursing Physics Public Health Social Sciences Other

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Analisis Hubungan Karakteristik Sedimen dan Kandungan Bahan Organik Terhadap Distribusi Makrozoobentos di Desa Pambang Pesisir Kabupaten Bengkalis Azuga, Nabila Afifah; Fauzan, Ikhwan; Ilahi, Ilham; Zulkifli, Zulkifli; Khaira, Annisa Ulfa; Sari, Gita Purnama
Jurnal Pasir Laut Vol 9, No 2 (2025): September
Publisher : Master Program of Aquatic Resources Management, Department of Aquatic Resources, Undip

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jpl.2025.76692

This study was conducted in Desember 2024 in the Pambang Pesisir village Bengkalis Regency in Desember 2024, aiming to determine the size of sediment grains and the abundance of macrozoobentos and analyze the relationship of the sediment grain size and macrozoobentos abundance. The method used in this study is a survey method, namely samples taken directly from the waters and then analyzed in the laboratory. The research location was divided into 3 stations with 5 sampling point at each stasion. Sampling using a cement spoon spatula with 1x1 square meter. The average diameter of the sediment at station I is 5,23-5,56Ø which is classified as silt, with macrozoobentos abundance ranging from 7-10 ind/m2. Station II has an average sediment diameter of 5,36-7,20 which is classified as silt with an average macrozoobentos abundance ranging from 3-7 ind/m2. While station III ranges from 2,33-7,16 classified as fine sand to silt with macrozoobentos abundance ranging from 5-10 ind/m2. Based on this study, sediment grain size with macrozoobentos abundance has a strong relationship with a coefficient determination (R2) of 0,5870 and a correlation coefficient (r) of 0,619. The finer the sediment grain size, the higher the abundance of macrozoobentos, and vice versa.

Modeling of Water Surface Elevation Using MIKE 21 Based on Rupat Strait Bathymetric Data Ahmad, Alianisa; Mubarak, Mubarak; Tanjung, Afrizal; Rifardi, Rifardi; Ilahi, Ilham
Jurnal Natur Indonesia Vol. 23 No. 2 (2025): October
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jnat.23.2.79-84

The Rupat Strait, a strategically crucial marine channel separating Sumatra Island from Rupat Island, exhibits complex hydrodynamic characteristics influenced by tidal propagation from the adjacent Malacca Strait. As a vital shipping corridor, the strait's navigational safety is fundamentally governed by its bathymetric profile and tidal regime. This study implements an integrated methodological framework combining in situ bathymetric surveys with MIKE 21 hydrodynamic modeling to assess morphological dynamics quantitatively. Systematic validation of model outputs against field measurements revealed significant spatial variations in seafloor topography, including pronounced shallowing (>6.6 m) and substantial deepening (≤17 m) at distinct locations. Concurrent analysis of tidal data demonstrated extreme water level fluctuations, ranging from -2.36 m during the lowest astronomical tides to +6.28 m during peak tidal surges. These geomorphological alterations appear correlated with anthropogenic pressures, particularly intensive shipping traffic and coastal zone modifications, suggesting a coupled natural-anthropogenic forcing mechanism governing the strait's evolving morphodynamics. The findings highlight the critical need for ongoing monitoring to ensure maritime safety and sustainable coastal management in this rapidly changing marine environment

Review Dampak Penambangan Pasir Laut terhadap Dinamika Abrasi Garis Pantai di Kawasan Pesisir Indonesia Azuga, Nabila Afifah; Zaza A Zahra; Athiyyah Salwaa Andini; Ikhwan Fauzan; Annisa Ulfa Khaira; Ilham Ilahi; Delilla Suhanda; M. Irsyad Nur
Jurnal Riset Kelautan Tropis (Journal Of Tropical Marine Research) (J-Tropimar) Vol 7 No 1 (2025): April
Publisher : Universitas Hang Tuah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30649/jrkt.v7i1.112

Sebagai salah satu negara kepulauan terbesar di dunia, garis pantai Indonesia menjadi garis pantai terpanjang nomor dua dan menjadikan wilayahnya sangat rentan terpapar berbagai dinamika perubahan lingkungan, seperti terjadinya abrasi yang disebabkan oleh faktor alam ataupun antropogenik. Aktivitas penambangan pasir laut menjadi salah satu kegiatan antropogenik yang berdampak besar terhadap fluktuasi di wilayah pesisir. Penambangan pasir laut merupakan proses ekstraksi pasir dari lingkungan laut yang dilakukan oleh sekelompok orang atau masyarakat dengan tujuan memanfaatkan sumber daya tersebut untuk kebutuhan material konstruksi, reklamasi lahan, kebutuhan industri, maupun permintaan ekspor. Kegiatan ini memicu dampak signifikan terhadap dinamika wilayah pesisir, terutama pada proses abrasi pantai. Artikel ini bertujuan untuk mengkaji dampak penambangan pasir laut terhadap perubahan garis pantai di Indonesia melalui pendekatan studi literatur. Hasil penelitian ini menjelaskan bahwa eksploitasi pasir laut secara berlebihan mengakibatkan kerusakan fisik ekosistem wilayah pesisir, termasuk tergerusnya wilayah pantai akibat abrasi, degradasi ekosistem terumbu karang, padang lamun, dan mangrove serta peningkatan risiko bencana seperti potensi bencana banjir dan tanah longsor. Lebih dari itu, kegiatan penambangan pasir laut juga diketahui memicu munculnya konflik sosial-ekonomi pada masyarakat. Artikel ini diharapkan dapat menjadi sumber informasi dalam merumuskan strategi perencanaan dan pengelolaan wilayah pesisir yang berkelanjutan dalam jangka panjang.

Analisis Spasio-Temporal Perubahan Garis Pantai di Wilayah Timur Kepulauan Bengkalis Tahun 2004-2024 Khaira, Annisa Ulfa; Rifardi; Dessy Yoswaty; Zulkifli; Ilham Ilahi
Jurnal Riset Kelautan Tropis (Journal Of Tropical Marine Research) (J-Tropimar) Vol 7 No 2 (2025): November
Publisher : Universitas Hang Tuah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30649/jrkt.v7i2.130

Perubahan garis pantai merupakan fenomena dinamis yang didorong oleh interaksi proses alami dan antropogenik, termasuk transportasi sedimen, arus laut, aktivitas gelombang, dan intervensi manusia. Penelitian ini bertujuan untuk menganalisis perubahan garis pantai di Desa Pambang Pesisir, Kabupaten Bengkalis, selama periode 20 tahun (2004–2024) menggunakan citra satelit Landsat 8 OLI/TIRS C1 Level 2 tahun 2004, 2014, dan 2024. Metodologi yang digunakan meliputi analisis perubahan garis pantai melalui teknik penginderaan jauh dan pengukuran parameter fisika air laut seperti kecepatan arus dan tinggi gelombang. Hasil penelitian menunjukkan adanya tren penambahan garis pantai (akresi) di tiga stasiun pengamatan. Stasiun I, yang terletak di kawasan hutan mangrove, mengalami kemajuan garis pantai dengan laju 7,81 meter per tahun. Stasiun II, yang terletak di zona galangan kapal mengalami akresi sebesar 6,1 meter per tahun, sedangkan Stasiun III sebagai kawasan pariwisata, menunjukkan penambahan garis pantai sebesar 6,90 meter per tahun. Analisis pasang surut menunjukkan pola pasang surut campuran dengan dominasi semi-diurnal. Kecepatan arus bervariasi di berbagai stasiun, yaitu 0,29 m/s di Stasiun I, 0,33 m/s di Stasiun II, dan 0,36 m/s di Stasiun III, sedangkan tinggi gelombang masing-masing diukur sebesar 0,3 meter, 0,08 meter, dan 0,7 meter. Studi ini menyimpulkan bahwa perubahan garis pantai terutama dipengaruhi oleh kecepatan arus, energi gelombang, dan aktivitas antropogenik, terutama pembangunan struktur perlindungan pantai seperti tanggul. Temuan ini memberikan wawasan penting untuk pengelolaan dan perencanaan pembangunan pesisir yang berkelanjutan, dengan menekankan pentingnya mengintegrasikan dinamika alam dan dampak manusia ke dalam tata kelola wilayah pesisir.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30649/jrkt.v7i2.130

ANALYSIS OF SEDIMENTATION RATES AT THE MOUTH OF THE MESJID RIVER IN DUMAI CITY: IMPLICATIONS FOR SILTATION AND SEDIMENT TRANSPORT Ilahi, Ilham; Mubarak, Mubarak; Ofirma, Farhat; Sari, Gita Purnama
Asian Journal of Aquatic Sciences Vol. 8 No. 3 (2025): December
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/ajoas.8.3.406-409

The Mesjid River Estuary in Dumai City is an area prone to sediment accumulation due to the influence of river hydrology dynamics and interaction with oceanographic processes in coastal waters. The sedimentation phenomenon that occurs has a direct implication on the rate of estuary siltation and sediment transport patterns that affect the balance of the aquatic ecosystem. This study aims to analyze the sedimentation rate and sediment characteristics at the Mesjid River Estuary and examine the impact of sedimentation on siltation and sediment transport patterns. This study was conducted in December 2024 at the Mesjid River Estuary, Dumai City, with the aim of analyzing the sedimentation rate and its implications for siltation and sediment transport. Sedimentation in estuarine areas is an important phenomenon that affects changes in channel morphology, navigation capacity, and coastal ecosystem balance. Data collection was conducted at six research stations from upstream to downstream by recording water quality parameters, sediment characteristics, sedimentation rates, total suspended solids (TSS), and sediment transport. The results showed that the sedimentation rate ranged from 7.0 to 10.3 cm/year, with an average of 8.77 cm/year, which is relatively high compared to other estuaries in Southeast Asia. The average TSS value of 135 mg/l indicates a significant supply of sediment from land erosion and anthropogenic activities, while the sediment transport load reached 338.2 tons/year, confirming the role of the estuary as a center of material accumulation. These conditions accelerate siltation, limit the efficiency of maritime transportation, and alter coastal morphological dynamics, necessitating active management strategies and sustainable mitigation to maintain ecosystem functions and support the sustainability of local economic activities

Growth of Rhizophora apiculata and Rhizophora mucronata on Different Sediment Types in the Marine Station Area of the Universitas Riau, Dumai Prameswari, Cinta Riyanda; Efriyeldi, Efriyeldi; Siregar, Yusni Ikhwan; Zulkifli, Zulkifli; Ilahi, Ilham
Journal of Coastal and Ocean Sciences Vol. 7 No. 2 (2026): May
Publisher : Department of Marine Science, Faculty of Fisheries and Marine Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jocos.7.2.102-107

Mangroves play an important role in maintaining coastal stability and supporting ecological functions in coastal waters. This study aimed to analyze differences in the growth of Rhizophora apiculata and R. mucronata under different sediment types at the Marine Station of Universitas Riau, Dumai. Observations were conducted for 10 weeks at two stations, namely sandy mud and mud sediments, using 24 mangrove seedlings with an initial height of ≥ 60 cm. The results showed significant differences in growth between mangrove species and between observation stations (p < 0.05). In sandy mud sediment, R. apiculata exhibited better growth (64.33 ± 3.92 mm; 7.20 ± 0.46 mm), whereas in mud sediment, R. mucronata showed more optimal growth (72.36 ± 7.54 mm; 7.87 ± 0.52 mm). Seedling survival reached 100% at both stations. These findings indicate that the suitability of mangrove species to sediment characteristics is an important consideration in mangrove rehabilitation efforts

Analisis Pemahaman Pengguna Fitur Cardless Withdrawal pada BSI Mobile Banking dalam Transaksi Tarik Tunai (Studi Kasus Mahasiswa Perbankan Syariah Angkatan 2021 UIN Bukittinggi) Khairimatulhusna Khairimatulhusna; Ilham Ilahi
ARZUSIN Vol 5 No 6 (2025): DESEMBER
Publisher : Lembaga Yasin AlSys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/arzusin.v5i6.7807

This study is motivated by the low level of understanding among some students of the Sharia Banking program at UIN Bukittinggi regarding the cardless withdrawal feature on BSI Mobile Banking for cash withdrawal transactions. The primary objective is to identify the factors influencing students' understanding of this feature. A qualitative method was employed, with primary data collected through interviews and documentation. Data analysis followed the stages of data reduction, data display, and conclusion drawing. The findings reveal that 90% of informants understand the concept and functionality of the cardless withdrawal feature, indicating the effectiveness of BSI’s outreach efforts. Approximately 65% of informants have used the feature, while the rest have not, citing reasons such as habitual reliance on traditional methods, lack of necessity, or limited technical information. Based on the Diffusion of Innovations framework, the feature is perceived to have a relative advantage due to its convenience, time efficiency, and enhanced security compared to conventional withdrawal methods. It is also considered compatible with students’ digital transaction habits and aligns with the modernization of sharia banking services. The feature is rated as low in complexity, with initial technical barriers easily overcome. Its high trialability—allowing use without financial risk—and observability, through visible use at ATMs and app notifications, further influence adoption. The study concludes that factors such as perceived advantage, alignment with values and habits, and ease of use significantly contribute to enhancing students’ understanding and adoption of the cardless withdrawal feature in the context of sharia banking.

Co-Authors Abidah, Rahma Abiyyu, Daffa Reyhan Adinda, Lasmi Junia Afrilesa, Rini Afrizal Tanjung Agusti, Dinda Roanna Ahmad, Alianisa Akhmad Ferdinan Hairo Ananda, Tiara Anggraini Anggraini Anggraini, Sarinah Septeria Annisa Ulfa Khaira Aras Mulyadi Athiyyah Salwaa Andini Atika Nabila Basiluddin, Fadhlan Bintal Amin Dedi Efendi Delilla Suhanda Desi Purnamasari Taher Dessy Yoswaty Efriyeldi, Efriyeldi Elizal, Elizal Fadhilah Khairani, Fadhilah Fadhillah, Fanny Fajar, Rahmat Fathurrahman, Febri Fauzan, Ikhwan Faza, Amirah Febriansyah, M. Gita Purnama Sari, Gita Purnama Hasandi, Vebby Sandrina Ikhwan Fauzan Irvina Nurachmi Irwan Effendi Irwan Irwan Janzen, Amelia Inshiroh Kartika, Eva Dwi Khaira, Annisa Ulfa Khairimatulhusna Khairimatulhusna Khairul Mukmin Lubis Laoli, Wilman Joi Saputra Lastri, Widya Monica Legiana, Salsa Bila Pitu Legiana, Salsa Pitu Linpas, Nurafni M. Irsyad Nur Maatitawaer, Natasya Debora C Maellynia Mustofa Mas’ud, M Abdul Mubarak Mubarak Mubarak Mubarak Muhammad, Atha Nabila Afifah Azuga Nofita, Ulti Novia M. Afianti Nur Atikah Ofirma, Farhat Olivia, Artia Putri Prameswari, Cinta Riyanda Pratama, Willi Putri, Indah Chiara Rani, Aida Rama Rasoel Hamidy Rifardi Saputra, Yandy Anugraha Serviska, Friska Sirait, Afriyanti Elsyah Br Sofyan H Siregar Syahrial Syahrial Triasya, Magdalena Verid Aria Susammesin Yeni Sustriani Yusni Ikhwan Siregar Zaza A Zahra Zulkifli Zulkifli Zulkifli

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