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All Journal Jurnal Biologi Tropis Journal of Marine and Coastal Science Jurnal Pengabdian Perikanan Indonesia
Muhamad Gilang Arindra Putra
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Economics, Econometrics & Finance Environmental Science Immunology & microbiology

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Estimation of Sources and Marine Debris Dynamics Movement along the Coast of Sukajaya Lempasing Village, Lampung Province Muhamad Gilang Arindra Putra; Kattia Setiyani Widiastuti; Yudo Pramono; Delilla Suhanda
Journal of Marine and Coastal Science Vol. 14 No. 3 (2025): SEPTEMBER
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jmcs.v14i3.75754

Abstract

The coastal zone is a transitional area characterized by complex dynamics influenced by the interaction between land and sea. One of the consequences of this interaction is the accumulation of solid pollutants in the form of waste, which has the potential to disrupt the surrounding ecosystem's balance. This study aims to estimate the origin and movement pathways of marine debris along the coast of Sukajaya Lempasing Village by analyzing surface current patterns. The methods applied include purposive sampling and both quantitative and qualitative descriptive analysis. Waste data collection followed the guidelines issued by the Ministry of Marine Affairs and Fisheries in 2024, while surface current simulations were conducted using MIKE 21 with the Flow Model Flexible Mesh module. Monitoring results indicated that plastic waste dominated at all stations, with the highest number recorded at Station 1 (671 items), which also had the greatest total waste weight, amounting to 38.5 kg. The average waste density in the study area was 4.82 pcs/m². Surface current speeds ranged from 0.004 to 0.008 m/s on March 28, 2024, and from 0.005 to 0.015 m/s on April 2, 2024. Based on modeling results and interviews with local residents, the primary source of the waste was river discharge, which was then transported by longshore currents and subsequently accumulated along the coast of Sukajaya Lempasing Village.
Life History and Exploitation Status of Savalai Hairtail (Lepturacanthus savala) from Lampung Bay Waters David Julian; Muhammad Reza; Muhamad Gilang Arindra Putra
Jurnal Biologi Tropis Vol. 26 No. 2 (2026): April - Juni
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v26i2.11924

Abstract

The savalai hairtail (Lepturacanthus savala) is a commercially valuable demersal species in the coastal ecosystems of Teluk Lampung, where increasing fishing pressure has raised concerns regarding stock sustainability. This study assessed the life history characteristics and exploitation level of the species to support sustainable fisheries management. An overall number of 347 individuals were obtained from fishing port between May and August 2023. Length-frequency data were analyzed utilizing the TropFishR package with the electronic length frequency analysis (ELEFAN) approach. The results showed that the population exhibits relative growth, consistent with tropical fish characteristics. However, fishing mortality significantly exceeded natural mortality, signifying intense fishing efforts on the stock. The utilization rate has exceeded the optimum level, indicating overexploitation, while biological indicators revealed that many individuals were captured prior to attaining adequate reproductive size, posing a threat of recruitment overfishing. These findings demonstrate that the savalai hairtail stock in Teluk Lampung is not sustainable under current exploitation levels. Immediate management actions, including controlling fishing effort, improving gear selectivity, and protecting immature fish, are urgently required to guarantee the long-term viability and stop additional stock depletion of fisheries resources in Teluk Lampung.
Transplantasi Terumbu Karang Dusun Kalangan Desa Pulau Pahawang : Penguatan Peran Masyarakat Dalam Konservasi dan Rehabilitasi Terumbu Karang Almira Fardani; Muhamad Gilang Arindra Putra; Eko Efendi; Muhammad Kholiqul Amiin
Jurnal Pengabdian Perikanan Indonesia Vol 6 No 1 (2026): Jurnal Pengabdian Perikanan Indonesia
Publisher : Program Studi Budidaya Perairan Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppi.v6i1.9885

Abstract

Pulau pahawang memiliki bentangan pantai berpasir putih, hamparan vegetasi mangrove serta perairan yang jernih yang didukung dengan ekosistem terumbu karang yang indah sebagai wisata bawah air, snorkling, diving dan fotografi bawah air, dimana kegiatan wisatawan menjadi penyebab kerusakan pada ekosistem terumbu karang sebesar sebesar 47,09% dengan jenis kerusakan : 13 goresan coral massive (CM), 5 goresan coral encrusting (CE), 12 luka CM, 6 luka CE, 13 hancur pada coral branching (CB) dan 6 patahan CB. Diperlukan adanya upaya perbaikan terumbu karang yang rusak serta edukasi kepada masyarakat untuk dapat melestarikan ekosistem terumbu karang di Desa Pulau Pahawang. Upaya tersebut dapat diimplementasikan dalam kegiatan pengabdian unggulan dengan tahapan yang terdiri dari survei, koordinasi, sosialisasi & edukasi, diskusi dan monitoring/pendampingan. Kegiatan dilaksanakan dengan melibatkan masyarakat Dusun Kalangan yang terdiri dari Kepala Desa dan aparat Desa Pulau Pahawang, serta masyarakat yang berprofesi sebagai pemandu wisata. Pengabdian diawali dengan pemberian pretest, penyampaian materi, diskusi, penempelan bibit pada rangka dan pemasangan rangka transplantasi di bawah laut. Dari hasil posttest yang disampaikan oleh tim pengabdian menujukkan adanya peningkatan pemahaman masyarakat Dusun Kalangan terkait pemahaman manfaat fungsi terumbu karang, definisi dan peranan terumbu karang hingga pemilihan jenis bibit dalam transplantasi terumbu karang. Sebanyak 3 rangka spider web dipasang di wilayah konservasi terumbu karang. Kegiatan pengabdian mendapatkan respon yang positif dari masyarakat Dusun Kalangan terutama yang berprofesi sebagai pemandu wisata, serta meningkatkan pemahaman dan kesadaran masyarakat Dusun Kalangan terkiat konservasi terumbu karang di Desa Pulau Pahawang.
Co-Authors Almira Fardani David Julian Delilla Suhanda Eko Efendi Kattia Setiyani Widiastuti Muhammad Kholiqul Amiin Muhammad Reza Yudo Pramono