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Spatial–Seasonal Mapping of Estuarine Bed Sediment Texture Under a Natural Mouth-Closure Regime: Evidence from the Kungkai Baru Estuary, Western Indonesia Nofridiansyah, Eko; Hartoko, Agus; Muskananfola, Max Rudolf; Helmi, Muhammad; Adi, Wahyu
JFMR-Journal of Fisheries and Marine Research Vol. 10 No. 1 (2026): JFMR on March
Publisher : Faculty of Fisheries and Marine Science, Brawijaya University, Malang, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jfmr.2026.010.01.10

Abstract

Seasonally closed estuaries are vulnerable coastal systems in which alternating phases of mouth closure and opening strongly influence hydrodynamics, sediment transport, and benthic habitats. The Kungkai Baru Estuary on the wave-dominated western coast of Sumatra, Indonesia, is a small tropical estuary that predictably closes during the west monsoon and re-opens during the east monsoon. Although previous studies have documented major morphodynamic changes and shifts in macrozoobenthic communities between these phases, the associated near-bed sediment dynamics remain insufficiently understood. This study examined spatial and seasonal patterns of bed sediment texture using surface sediment samples collected at 21 stations during closed-mouth and open-mouth conditions and analysed through grain-size distribution and Folk–Ward statistics. Bed sediments were overwhelmingly sandy (>96% sand), but mean grain-size, sorting, and skewness showed clear spatial and seasonal variation. During the closed-mouth season, moderately well-sorted fine to medium sands dominated the middle and upper estuary, indicating reduced marine energy and greater retention of finer material. During the open-mouth season, coarser and more poorly sorted sands occurred near the estuary entrance, reflecting stronger marine influence and more active sediment exchange. These findings align with previously reported longitudinal patterns in macrozoobenthos and provide a sediment-based framework for understanding benthic habitat heterogeneity in seasonally closed tropical estuaries.
Peningkatan Keterampilan Digital UMKM Lokal sebagai Upaya Pemasaran Produk Unggulan Desa Teluk Lada Kabupaten Pandeglang hidayat, amat; alfikri, sohri ramadhan; Seprianti, Restu; Helmi, Muhammad
Jurnal Pengabdian Masyarakat (ABDIRA) Vol 6, No 2 (2026): Abdira
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/abdira.v6i2.1049

Abstract

Desa Teluk Lada merupakan daerah pesisir di Kabupaten Pandeglang dengan potensi ekonomi lokal yang signifikan, khususnya melalui produk-produk unggulan yang dihasilkan oleh UMKM lokal. Namun, rendahnya keterampilan digital menyulitkan produk lokal untuk menjangkau pasar yang lebih luas. Penelitian ini bertujuan untuk meningkatkan keterampilan UMKM digital sebagai strategi pemasaran produk unggulan desa secara berani. Metode implementasinya meliputi pemetaan kebutuhan, pelatihan literasi digital, pelatihan pemasaran digital melalui Instagram, TikTok, Shopee, dan Tokopedia, serta pendampingan individu dan evaluasi hasil. Dua puluh UMKM dari berbagai sektor, termasuk pengolahan makanan laut, kerajinan tangan, dan produk pertanian, berpartisipasi dalam kegiatan ini. Hasil penelitian menunjukkan peningkatan yang signifikan dalam penggunaan media sosial dan platform e-commerce, dengan 90% peserta berhasil membuat akun bisnis di media sosial dan 75% berhasil membangun toko online produk di platform e-commerce. Pasca pelatihan, omset bisnis meningkat rata-rata 30–50%, dan kesadaran akan pentingnya branding produk meningkat. Temuan ini menegaskan bahwa peningkatan keterampilan digital merupakan langkah strategi dalam memperluas jangkauan pasar, meningkatkan daya saing produk lokal, dan mendorong pertumbuhan ekonomi desa yang berkelanjutan.
Co-Authors Adhyaksa Saktika Drestanto Afirman Karyono Agung Prasongko, Wahyu Agus Hartoko Agus Indarjo Agus Kurniawan Ainur Rofiq Sofa Akbari, M. Denny Akhiroh, Puji Akhmad Hanan Alfi Satriadi Ali Rahman Hakim Amaliana Yuniarti Amin, Moh Hasan Shodiqil Amin, Moh. Hasan Shodiqil Aminuyati Anam, M. Khairul Anang Joko Sadono Anindya Wirasatriya Ardilla, Yohana Nanita Nansy Ariputro, Aryobimo Bharadian Aris Ismanto AS, Harun Asyari, Mufidah Asyisyifa, Asyisyifa Atik Winarti Aulia, Zahra Safira Ayudila A. P., Prasasty Azhari Akmal Tarigan Azra, Mhd Rayhan Badaruddin Badaruddin Basir, Basir Baskoro Rochaddi Benny Tyson Siagian Bobi Kurniawan, Bobi Budhi Santoso Budi Hartono Cahya, Ardhian Indra Cathaputra, Edo Choiriah, Nabila Fitri Dedi Supriadi Denny Nugroho Sugianto Desrina Desrina Dhaneswara, Donanta Dianpurnama Dianpurnama Dwi Haryo Ismunarti Dwi Puspa Arini Edwin Maulani Edy Haryanto Eka Kusumastuti, Anie Eko Nofridiansyah, Eko Eko Nugroho Fahendi Roher Fauzi Hanif Febriani, Diana Nur Febrianto, Nanang Fikri, Hidayatulla Firdausiyah, Jannatul Fitriyanto, Bobby Rachmat Fitriyanto, Bobby Rachmat Fonny Rianawati Gaol, Hadimas Lumban Gentur Handoyo Ghozali, Kanaya Gusti Muhammad Hatta H Hadiyanto Habibah, Wulidatul Hadi, Wirawan Noor Hamdi Anugrah, Hamdi Hanah Khoirunnisa Hanum Muarifah Hanun, Alain Shofia Harahap, Fasthabiqul Ambiya Hardiyanto Hardiyanto Hardjana, Fahira Mutiara Hariadi Hariadi Hasan, Miftahul Hatmaja, Rahaden Bagas Hayati, Sri Ayatina Herlina Ika Ratnawati, Herlina Ika Heryoso Setiyono Hidayat, Amat Hidayatullah, Muhammad Fatih Himavan Prathista Nugraha Hirawaty Kamarulzaman, Nitty Ivan Febriansyah Izzaturrahim, Muh. Hafizh Jamal Jamal Jamhari Jamhari Jannah, Nurul Jarkawi Jarkawi, Jarkawi Jayawarsa, A.A. Ketut Kartika Hariyanto, Hani Khairun Nisa Kunarso Kunarso Laila Hayati, Laila Latifah, Laila Lelalette, Johanis Dominggus Lestari Lakhsmi Widowati Lilik Maslukah Luh Putu Ratna Sundari M. Fachrurrozi M. Furqon Azis Ismail M. Taufan Qoriadi Mahinsha, Amryl Naufal Ilham Mario Putra Suhana Masyithoh, Dewi Max Rudolf Muskananfola Meirantika, R. Meirantika, Ruping Melissa Bonauli, Melissa Muarifah, Hanum Muh Yusuf Muh. Yusuf Muhammad Faisal Mahdie Muhammad Husni Muhammad Rifai Muhammad Yusuf Muhana, Muriyani Munasik Munasik Musdalipah, Febby Muttaqien, Moh Hasan Firghol Nadia Ramli, Nurul Naparin, Muhammad Nasir Shamsudin , Mad Nerinawati, Umi Noor Mirad Sari Novinta, Winda Meily Nugroho Agus D Nurhasanah Nurhasanah Nurhikmah Nurhikmah Nurul Hadi, Nurul Nurul Huda, Asri Nurwahyuni, Eka Octavianna, Pramesthi Dwi Pangastuti, Prima Riliayunda Petrus Subardjo Prafitri , Rizky Pratama, Dhika Rino Priyo Sugeng Winarto Puspita Anugra Yekti , Aulia Puspita Anugra Yekti, Aulia Puspita, Dian Endah Putri Utami, Putri Putri, Eka Salma Afifah Putri, Mayada Qorihah Ismayati Rahayu Ningsih Ramadhani, Khoirul Ramadhina Irsanti Putri, Ardyah Rendhy Dimas R, Rendhy Dimas Rezti, Rezti Ria Azizah Tri Nuraini Rikoh Manogar Siringoringo Rina Kurniati Rina Muhayah Noor Pitri, Rina Muhayah Noor Rinakanti, Rinakanti Rinda Nita Ratnasari, Rinda Nita Rini Dwi Wahyuni Rizki Prafitri Rizkiyah, Sinta Asri Rodi Rodi, Rodi Rudhi Pribadi Ryan Nurdiansyah Ryanto, Fauzan Novan Saipiatuddin, Saipiatuddin Sanova, Aulia Seto Sandi Saputri, Elsi Sari Mayawati Seprianti, Restu Setiawan, Abim Setiyadi, Johar Siddhi Saputro Sinaga, Boby Christian Siswono, Eko Sitinjak, Dedy Febrianto Sohri Ramadhan Alfikri Sri Wilarso Budi Subekti Mujiasih Sugeng Widada Suharsono Suharsono Sulaiman Sulaiman SYARIFUDDIN KADIR Tadzkirah, Laila Tagore, Rafa Fahrezi Ulfah Nurjanah, Ulfah Ulfani, Afifa Ulyana, Dyah Nurul Umami, Novita Utami, Hana Putri Violet Wahyu Adi Warsito Atmodjo Widianingsih Widianingsih Widodo S Pranowo Winarto , Priyo Sugeng Winarto, Priyo Yulicia , Zamrudhinda Minna Yusuf Jati Wijaya Zaini, Fina Magfirah Zakiyullah, Azkalakum Zulyani, Zulyani