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All Journal Jurnal Pasir Laut Jurnal Natur Indonesia Jurnal Perikanan dan Kelautan Berkala Perikanan Terubuk Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan JURNAL ENGGANO Asian Journal of Aquatic Sciences Jurnal Pengabdian Masyarakat Multidisiplin 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 Perikanan dan Kelautan Jurnal Natur Indonesia
Ilham Ilahi
Universitas Riau
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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

Abstract

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

Abstract

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

Abstract

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

Abstract

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.
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

Abstract

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.
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

Abstract

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

Abstract

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.
REHABILITASI MANGROVE BERBASIS EDUKASI BERSAMA SISWA SMK PERIKANAN DUMAI TAHUN 2024 Nabila Afifah Azuga; Sefni Hendris; Ilham Ilahi; Benny Heltonika; Dessy Yoswaty; Irvina Nurrachmi; Nursyirwani Nursyirwani; Yusni Ikhwan Siregar
Jurnal Pengabdian Masyarakat Multidisiplin Vol 8 No 3 (2025): Juni
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/jpm.v8i3.6174

Abstract

Coastal abrasion in Purnama Sub-district, Dumai City, Riau Province is considered severe, with erosion exceeding 3 meters per year. This situation calls for urgent mangrove rehabilitation as an ecological mitigation effort. This community service activity involved 100 students from Dumai Fisheries Vocational High School, along with lecturers and students from the Belukap Mangrove Club (BMC), Department of Marine Science, University of Riau. The program consisted of two stages: classroom-based education on mangrove ecosystem functions, coastal conservation, and planting techniques; followed by the planting of 500 Rhizophora apiculata seedlings in the Purnama Mangrove Forest. From the evaluation results showed an increase in students' average knowledge scores over 25.7%. Participation was also high: 100% attendance and documentation, 85% engagement in discussions, and 95% in the planting activity. Students expressed positive perceptions, particularly regarding the hands-on learning experience and their increased understanding of mangrove importance. These results suggest that combining environmental education with field practice effectively enhances awareness and builds students’ capacity in coastal conservation. Collaboration among academics, vocational schools, communities, and local government was a key factor in the program’s success and offers a replicable model for similar initiatives. This program supports the achievement of Sustainable Development Goals (SDGs) 4 and 13, focusing on quality education and climate change adaptation.
Carbon Stock Estimation in the Mangrove Area of the Marine Station of Universitas Riau, Dumai Intan Yunika Putri; Aras Mulyadi; Efriyeldi Efriyeldi; Ilham Ilahi; Benny Heltonika
Jurnal Perikanan dan Kelautan Vol. 31 No. 2 (2026): June
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.31.2.268-278

Abstract

Mangrove forests can store more carbon than most terrestrial forest ecosystems, making them important for climate change mitigation. Their carbon sequestration potential depends on the trees' ability to absorb atmospheric CO₂ through photosynthesis. This study aimed to estimate biomass, carbon stock, and CO₂ sequestration in the mangrove area of the Marine Station of Universitas Riau, Dumai, Indonesia. The research was conducted from September to November 2025 at three stations representing terrestrial, riverine, and marine zones. Data were collected through DBH measurements of mangrove vegetation and sediment coring, supported by environmental parameters such as temperature, pH, and salinity. Mangrove density ranged from 1,200 to 2,388.33 individuals ha⁻¹, with the highest value at Station 2 and the lowest at Station 3. This pattern was positively related to biomass, vegetation carbon stock, and CO₂ sequestration. Estimated biomass reached 897.73 tons ha⁻¹, while vegetation carbon stock was 421.93 tons ha⁻¹. Sediment was the largest carbon pool, ranging from 1,896.10 to 2,202.97 tons ha⁻¹, with the highest value at Station 1. Total carbon stock reached 2,462.12 tons ha⁻¹. Statistical analysis showed a strong positive correlation among stand density, biomass, carbon stock, and CO₂ sequestration. Regression analysis indicated a significant relationship (R² = 0.502), meaning 50.2% of the variability in these parameters was explained by stand density. At the same time, the remainder was influenced by other factors such as stand age, substrate fertility, and planting distance.
Carbon Stock Estimation in the Mangrove Area of the Marine Station of Universitas Riau, Dumai Intan Yunika Putri; Aras Mulyadi; Efriyeldi Efriyeldi; Ilham Ilahi; Benny Heltonika
Jurnal Perikanan dan Kelautan Vol. 31 No. 2 (2026): June
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.31.2.268-278

Abstract

Mangrove forests can store more carbon than most terrestrial forest ecosystems, making them important for climate change mitigation. Their carbon sequestration potential depends on the trees' ability to absorb atmospheric CO₂ through photosynthesis. This study aimed to estimate biomass, carbon stock, and CO₂ sequestration in the mangrove area of the Marine Station of Universitas Riau, Dumai, Indonesia. The research was conducted from September to November 2025 at three stations representing terrestrial, riverine, and marine zones. Data were collected through DBH measurements of mangrove vegetation and sediment coring, supported by environmental parameters such as temperature, pH, and salinity. Mangrove density ranged from 1,200 to 2,388.33 individuals ha⁻¹, with the highest value at Station 2 and the lowest at Station 3. This pattern was positively related to biomass, vegetation carbon stock, and CO₂ sequestration. Estimated biomass reached 897.73 tons ha⁻¹, while vegetation carbon stock was 421.93 tons ha⁻¹. Sediment was the largest carbon pool, ranging from 1,896.10 to 2,202.97 tons ha⁻¹, with the highest value at Station 1. Total carbon stock reached 2,462.12 tons ha⁻¹. Statistical analysis showed a strong positive correlation among stand density, biomass, carbon stock, and CO₂ sequestration. Regression analysis indicated a significant relationship (R² = 0.502), meaning 50.2% of the variability in these parameters was explained by stand density. At the same time, the remainder was influenced by other factors such as stand age, substrate fertility, and planting distance.
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 Benny Heltonika Bintal Amin Dedi Efendi Delilla Suhanda Desi Purnamasari Taher Dessy Yoswaty Efriyeldi, Efriyeldi Elizal, Elizal Fadhilah Khairani, Fadhilah Fadhillah, Fanny Fajar, Rahmat Farhat Ofirma Fathurrahman, Febri Fauzan Azmi Fauzan, Ikhwan Faza, Amirah Febriansyah, M. Gita Purnama Sari Gita Purnama Sari, Gita Purnama Hasandi, Vebby Sandrina Ikhwan Fauzan Intan Yunika Putri Irvina Nurachmi Irwan Effendi Irwan Irwan Janzen, Amelia Inshiroh Jenny Lisiana 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 Nabila Afifah Azuga Nofita, Ulti Novia M. Afianti Novia M. Afrianti Nur Atikah Nursyirwani, Nursyirwani 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 Thamrin Thamrin Triasya, Magdalena Verid Aria Susammesin Yeni Sustriani Yusni Ikhwan Siregar Yusni Ikhwan Siregar Zaza A Zahra Zulkifli Zulkifli Zulkifli Zulkifli Zulkifli