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All Journal Jurnal Ilmu dan Teknologi Kelautan Tropis Jurnal Natur Indonesia Jurnal Perikanan dan Kelautan Berkala Perikanan Terubuk Jurnal Ilmu Perairan (Aquatic Science) Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan ECSOFiM (Economic and Social of Fisheries and Marine Journal) Jurnal Ilmiah Pertanian Jurnal Perikanan Universitas Gadjah Mada Aquacultura Indonesiana Asian Journal of Aquatic Sciences Unri Conference Series: Community Engagement Jurnal Riset Kelautan Tropis (Journal Of Tropical Marine Research) (J-Tropimar) Jurnal Zona Journal of Coastal and Ocean Sciences Journal of Rural and Urban Community Empowerment Dinamika Lingkungan Indonesia Jurnal Riset Kelautan Tropis (J-Tropimar) South East Asian Marine Sciences Journal Jurnal Perikanan dan Kelautan Jurnal Natur Indonesia

Dessy Yoswaty

Universitas Riau

Author-ID : 2991961

Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Environmental Science Immunology & microbiology Library & Information Science Materials Science & Nanotechnology Physics Social Sciences

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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.

Inovasi Diversifikasi Produk Olahan Ikan Lomek (Harpodon nehereus) pada Mitra KPM Sekat Bakau di Desa Buruk Bakul Kabupaten Bengkalis Yoswaty, Dessy; Kornita, Sri Endang; Hendris, Sefni; Kurniawan, Ronal; Azuga, Nabila Afifah
Journal of Rural and Urban Community Empowerment Vol. 7 No. 1 (2025): Oktober
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jruce.7.1.77-82

Kegiatan pengabdian masyarakat telah dilaksanakan di Desa Buruk Bakul, Kabupaten Bengkalis, dengan tujuan meningkatkan nilai tambah ikan lomek (Harpodon nehereus) melalui diversifikasi produk olahan pangan. Selama ini, ikan lomek hanya dipasarkan dalam bentuk segar atau asin, sehingga harganya relatif rendah. Melalui pelatihan Pemberdayaan Kemitraan Masyarakat (PKM), masyarakat diperkenalkan dengan teknologi sederhana untuk mengolah ikan lomek menjadi produk stickie (stik ikan ekonomis) dan abonie (abon ikan enak). Proses produksi melibatkan tahapan persiapan bahan, pengolahan adonan, hingga pengemasan produk. Hasil kegiatan menunjukkan bahwa produk stik ikan lomek memiliki tekstur renyah dan rasa gurih, sedangkan abon ikan lomek memberikan aroma khas rempah dengan daya simpan lebih lama. Diversifikasi produk olahan pangan ini memberikan peluang ekonomi atau sumber pendapatan baru, memperkuat peran UMKM, dan mendorong pemberdayaan kelompok ibu rumah tangga. Selain itu, pengembangan produk unggulan berbasis potensi lokal mendukung ketahanan pangan, pengembangan desa wisata berbasis kuliner, dan berkontribusi pada pencapaian tujuan pembangunan yang berkelanjutan di Desa Buruk Bakul.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jruce.7.1.77-82

ASSESSMENT OF WATER QUALITY BASED ON NITRATE, PHOSPHATE, AND AMMONIA CONCENTRATIONS IN BURUK BAKUL VILLAGE, BENGKALIS, RIAU Hendris, Sefni; Yoswaty, Dessy; Nurrachmi, Irvina; Azuga, Nabila Afifah; Kambaren, Bella Billiant J Ananta; Putri, Rianti; Purbata, Ardi Gustri
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.8.3.391-397

Coastal ecosystems are highly sensitive to nutrient enrichment, particularly from land-based activities and aquaculture effluents, which contribute to water quality degradation. This study evaluated the concentrations of nitrate, ammonia, and phosphate in the coastal waters of Buruk Bakul Village, Bengkalis, Riau Province, Indonesia. Water samples were collected from four representative stations in August 2025: a river estuary, a shrimp pond, a mangrove rehabilitation site, and a natural mangrove forest. The analysis was conducted using spectrophotometric methods in accordance with the Indonesian National Standards (SNI). Results indicated that nitrate concentrations ranged from 0.0822 to 0.1932 mg/L, ammonia from 0.5705 to 1.7338 mg/L, and phosphate from 0.0845 to 0.299 mg/L. All parameters exceeded the seawater quality standards for marine biota established by the Decree of the Minister of Environment No. 51/2004, indicating a significant anthropogenic influence. The river estuary recorded the highest nitrate and phosphate levels, reflecting inputs from land runoff and domestic waste, while ammonia peaked in the shrimp pond due to aquaculture discharge. Nutrient levels in mangrove-associated stations were lower but still above the threshold, indicating that mangrove ecosystems provide some capacity to retain and transform nutrients, although insufficient for full remediation. Elevated nutrient concentrations pose ecological risks, such as eutrophication and algal blooms, which may disrupt biodiversity and fisheries productivity. This study emphasizes the urgency of improving aquaculture waste management, reducing land-derived nutrient loading, and strengthening mangrove conservation and rehabilitation as integrated strategies to sustain coastal ecosystem health in Buruk Bakul and similar regions. These findings provide a baseline for nutrient management and coastal rehabilitation strategies in western Indonesian waters

Carbon Stock Analysis in Mangrove Vegetation in Selat Baru Village, Bengkalis Regency, Riau Province Siagian, Aron Girgir Parade; Siregar, Sofyan Husein; Yoswaty, Dessy
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.7.2.87-91

Mangrove forests play a crucial ecological role in coastal ecosystems. One of its ecological functions is that mangroves absorb and store carbon, thereby reducing carbon emissions. The increase in atmospheric CO2 levels is a result of human activities, both directly and indirectly. This study aims to assess mangrove stand density, determine differences in mangrove stand density and carbon stocks between stations, and examine the relationships between mangrove stand density and biomass, carbon stocks, and CO2 absorption in the mangrove area of Selat Baru Village, Bengkalis Regency, Riau Province. This research was conducted in November 2024 in Selat Baru Village, Bengkalis Regency, Riau Province. The method used in this study was a survey. To determine the relationship between mangrove tree density and carbon stock, a regression test was performed. Mangrove Stand Density ranged from 877.78 - 1,211.11 ind/ha. Mangrove biomass ranged from 22.62 to 30.16 tons/ha. Carbon Stock ranges from 10.63-14.19 tons/ha. CO2 absorption ranges from 38.98-51.98 tons/ha. The density of mangrove stands and carbon stocks show a moderate relationship, as indicated by the correlation coefficient (r) of 0.736.

Analysis of the Content of Suspended Solids and Sedimentary Organic Matter in the Coastal Waters of Bokor, Meranti Island Regency Saputra, Hafiz Zikra; Nurrachmi, Irvina; Yoswaty, Dessy
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.7.2.114-118

This study aims to analyse the concentrations of Total Suspended Solids (TSS) and sediment organic matter, as well as their relationship, in the coastal waters of Bokor Village, Kepulauan Meranti Regency. The research was conducted from December 2024 to January 2025 using a survey method at three observation stations selected based on varying levels of human activity. TSS analysis was performed gravimetrically according to the Indonesian National Standard (SNI 6989.3:2019), while sediment organic matter was analysed using the Loss on Ignition (LOI) method. The results showed that TSS concentrations ranged from 10.4 to 17.56 mg/L and were within the good-quality standard for marine waters. The concentration of sediment organic matter ranged from 3.0% to 5.7%, which is categorised as low. A simple linear regression analysis indicated a weak positive correlation between TSS and sediment organic matter. This suggests that suspended solids account for only 10.1% of the variability in sediment organic matter, with the remaining variation influenced by other environmental factors.

Co-Authors ', Afrimansyah ', Frisilia ', Maryanto ', Mubarak ', Thamrin Abdurrahman, M. Adelina Adelina Afrimansyah ' Afrizal Tanjung Akbar, Aidil Rahmad Akhmad Ferdinan Hairo Alfiati Silfi Algino Panuntun Akbar Alit Hindri Yani Anak Agung Gede Sugianthara Andika Sitohang Angelia E Bernike Zebua Anggit Wondy Satrio Antonius ' Aras Mulyadi Arbaeyah ' Ardi Gustri Purbata Ardiah, Siti Arief Rachman. B Aris, Pajri Attur Mudzy Domo Azizul Fauzan Aznardi, Shodikin Batubara, Ummi Mardiah Bintal Amin Darina Darina Darma Bagus Saputra Darmawan, Ernanda P. Deni Efizon Devano, Rigo Devi Ambarwaty Oktavia Deviasari Deviasari Dewi, Shinta Rafida Dewita Dewita Domo, Attur Mudzy Efriyeldi, Efriyeldi Eka Saputra Elizal, Elizal Elkana Gabariel Eriani, Eti Eza Buana Fatwa Fahriansyah Fahriansyah Fatwa, Esa Buana Fatwa, Eza Buana Fauzan, Azizul Febby aprilliza Febri Naldi Feffiana M Amin Feliatra Feliatra, Feli Feri Handoyo Pardede Feronika Mendrofa Fitri, Sabrina Nur Gatot Yulianto Gustasya, Yosy Hade Mulyadi Hade Mulyadi Hanifa, Zurya Hapzi Ali Hari Winanda Hasyimi, Wahid Haura, Sari R. Al Hendra Kharisma Heni Pujiastuti HERI SYAHFITRI Herimufty Herimufty Hisbullah, Ali Akbar Hotdholy destrinanda Ida Rahayu Simanjuntak, Ida Rahayu Iesje Lukistyowati Ilbi Candra Yani Ilcia Teshi Diafana Ilham Ilahi Ilman, Muhammad Khairi Indra Bayu Pratama Inka Wahyuni Irvina Nurachmi Irwan Efendi Irwan Efendi, Irwan Irwan Effendi Irwan Irwan Ismail Abdurrahman Siregar Januardi, Deki Joko Samiaji Jonny Zain Jung jung Maranata Juni Artha Hasibuan Kambaren, Bella Billiant J Ananta Kaprisal, Kaprisal Kelly Fuadi, Kelly Khaira, Annisa Ulfa Khairul Mukmin Lubis Kurnia, Fadly Agra Kurniawan, Mohd Rizky Kusdiatmoko, Aprizal Laksono Trisnantoro Livi, Aldisa Sipti Lucky Rahman Lukystyowati, Isye Mahdiyah, Evfi Mahmudah, Dewi A. Mardalisa, Mardalisa Matgus Riadi Mhd. Fadhillah, Mhd. Fadhillah Mirad, Awis Monika, Siska Mubarak Mubarak Mubarak Mubarak Muhammad Agus Muljanto Muhammad Alam Mulia Hasibuan Muhammad Hafizh Muhammad Razali MUHAMMAD RIZAL Musrifin Galib Musrifin Ghalib Nabila Afifah Azuga Naldi, Febri Niken Ayu Pamukas Nofri Andri Yulan Nursyirwani, Nursyirwani Oktarina, Ayu Oktavia, Dewi Asmiati Pajri Aris Pakpahan, Deni Panjaitan, Grace P Pardede, Feri Perie Anugraha Wiguna Prakasa Mustanto Prasetya, Dandy Purba, Paedo Yayaki Putra, Rajiv R. Putri, Rianti Ramadhan, Ragiel Ranap Junani Sari Rendy Lani Dinata Rifaldi Rifaldi, Rifaldi Rifardi Risma Tambunan Rival Junaidi Rizki, Fariza Rohadatul Aisy Romeo ' Romida, Zuwita Ronal Kurniawan Saharudin Saharudin Said Muhammad Qadry Saputra, Hafiz Zikra Saputri, Apriliana Saputri, Apriliana Eka Sari, Desy Mutia Sari, Nian Sefni Hendris Setiawan, Ilham Shodikin Aznardi Siagian, Aron Girgir Parade Sibarani, Michael Parluhutan Jupiter Sihotang, Usia Xoros Sinuraya, Tri Setia Darma Siregar, Meiyanto Siringo-ringo, Irpan suriadi Siti Ardiah Siti Nursubadriah Situmorang, Adrian Sofyan Husein Siregar Sri Endang Kornita Sri Melinda Citra Syafruddin Nasution Syahada, Melania Syahril Nedi Syaifuddin Nasution T. Ersti Yulika Sari Tanjung, May Juna Tanjung, May Juna putri Thamrin ' Thamrin Thamrin Trisla Warningsih Ummi Mardiah Batubara Utami, Rahma I. Wahyuni, Inka Winanda, Hari Windarti Windarti Yanti, Della Hijri Yesi Yohana Esteria Yulinda, Emelda Yurestira, Ilham Yusni Ikhwan Siregar Zainuri -, Zainuri Zientika, Zientika Zulfan Saam Zulkarnaini Zulkarnaini Zulkifli Zulkifli ' Zulpikar '

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