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All Journal Jurnal Teknologi Perikanan dan Kelautan Marine Fisheries: Jurnal Teknologi dan Manajemen Perikanan Laut JURNAL PESISIR DAN LAUT TROPIS OCTOPUS : Jurnal Ilmu Perikanan Jurnal Akuatika Indonesia Albacore : Jurnal Penelitian Perikanan Laut Jurnal Akuatiklestari Jurnal Penelitian Perikanan Indonesia Bawal : Widya Riset Perikanan Tangkap Tomini Journal of Aquatic Science Nekton Edu Cendikia: Jurnal Ilmiah Kependidikan ACROPORA: Jurnal Ilmu Kelautan dan Perikanan Papua Jurnal Pembangunan Perikanan dan Agribisnis Jurnal Matematika Integratif FISHIANA Journal of Marine and Fisheries Jurnal Perikanan Terpadu
Gilar Budi Pratama
Departemen Perikanan, Fakultas Ilmu Perikanan Dan Kelautan, Universitas Padjadjaran. Jl. Raya Bandung-Sumedang KM. 21, Jatinangor, Kabupaten Sumedang, Jawa Barat.
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Computer Science & IT Control & Systems Engineering 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 Library & Information Science Mechanical Engineering Social Sciences Transportation Other

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Optimal Control of Monkeypox Transmission Model with the Effect of Hospitalization Inayaturohmat, Fatuh; Pramesti, Retta Farah; Pratama, Gilar Budi; Cahyani, Nita; Hanifah, Aisyah
Jurnal Matematika Integratif Vol 21, No 1: April 2025
Publisher : Department of Matematics, Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/jmi.v21.n1.62791.113-122

Abstract

Monkeypox, also known as mpox, is a zoonotic illness caused by the Monkeypox Virus (MPV), which belongs to the Orthopoxvirus genus within the Poxviridae family. According to a WHO report as of September 2023, the virus has spread to numerous non-endemic countries, showing a significant number of cases. The United States reported the highest count, with 4,259 cases. In contrast, Indonesia has reported relatively fewer cases compared to other Southeast Asian nations. Nonetheless, the risk of transmission, particularly through close personal contact, remains a public health concern. This study examined the transmission of monkeypox among human populations using the spread model proposed by previous research. The novelty of this research is the enhancement of the model by introducing hospitalization parameters as a control mechanism, aiming to determine the optimal hospitalization level to minimize the disease's spread. The method used for optimal control is minimum pontryagin principle. The model also consider the asymptomatic and symptomatic infected individuals. There is a transition from asymptomatic to symptomatic individuals. Numerical simulation results show that implementing this control leads to a more rapid decline in the number of symptomatic infected individuals compared to scenarios without control measures.
Composition and Diversity of Trammel net Catches Landed at PPI Cikidang, Pangandaran Pratama, Gilar Budi; Baihaqi, Faqih; Sri Wijayanti, Lady Ayu; Muhyun, Ainun Apriliyani
Jurnal Perikanan Terpadu Vol 6, No 1 (2025): Jurnal Perikanan Terpadu Volume 6 Nomor 1
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jpterpadu.v6i1.11834

Abstract

Fishing activities are one of the main economic supports for coastal communities in Pangandaran, especially at the Cikidang Fish Landing Base (PPI Cikidang). Trammel nets are widely used, but the impact on the composition and diversity of the catch is not well understood. This study aims to analyze the dynamics of production, CPUE (Catch per Unit Effort) values, composition, and diversity of trammel net catches from 2019 to 2021. Secondary data from PPI Cikidang were analyzed descriptively and quantitatively, using trend graphs, frequency distribution, CPUE, and the Shannon-Wiener diversity index (H'). The results showed that production and fishing efforts fluctuated seasonally, peaking in mid- to late years. The highest CPUE value occurred in October 2020 at 39.19 kg/trip, while the lowest value was recorded in April 2021 at 14.17 kg/trip. The catch composition was dominated by shrimp, particularly Dogol Shrimp (Metapenaeus monoceros), which increased from 50.61% (2019) to 60.55% (2021). The diversity index showed a decline from 1.50 (2019) to 1.08 (2021), indicating the dominance of certain species and the potential decline in ecosystem stability. These findings highlight the importance of sustainable management of trammel net fishing gear to prevent negative impacts on marine biodiversity in the area
STUDI LITERATUR: PENGARUH PARAMETER OSEANOGRAFI TERHADAP KELIMPAHAN IKAN PELAGIS Pratama, Gilar Budi; Baihaqi, Faqih; Aisyah, Aisyah
OCTOPUS: JURNAL ILMU PERIKANAN Vol. 13 No. 2 (2024): OCTOPUS
Publisher : Universitas Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26618/o.v13i2.16539

Abstract

Ikan pelagis hidup di lapisan tengah hingga permukaan laut dan bermigrasi dalam kelompok untuk mencari habitat optimal. Migrasi mereka dipengaruhi oleh parameter oseanografi seperti salinitas, arus laut, konsentrasi klorofil-a, dan suhu permukaan laut (SPL),. Penelitian ini bertujuan mengkaji hubungan antara parameter oseanografi dan kelimpahan ikan pelagis melalui studi literatur. Data oseanografi berbasis satelit, seperti MODIS, dapat memberikan informasi penting untuk memprediksi zona potensial penangkapan ikan. Hasil kajian menunjukkan bahwa SPL dan klorofil-a berperan penting dalam mendukung produktivitas perikanan. Konsentrasi klorofil-a tinggi mencerminkan produktivitas primer yang mendukung rantai makanan ikan pelagis. Selain itu, salinitas dan arus berkontribusi pada distribusi plankton sebagai sumber makanan utama. Pemahaman dinamika oseanografi membantu meningkatkan efisiensi penangkapan dan mendukung pengelolaan perikanan berkelanjutan. Penelitian ini diharapkan memberikan informasi bagi pemerintah dan nelayan dalam menentukan kebijakan dan strategi penangkapan yang lebih efektif.
WORKING TIME EFFICIENCY AND FACILITIES UTILIZATION OF PT. PROSKUNEO KADARUSMAN SHIPYARD MUARA BARU JAKARTA Zamira, Nasywa Aurellia; Apriliani, Izza Mahdiana; Zahidah; Putra, Pringgo Kusuma Dwi Noor Yadi; Pratama, Gilar Budi
Jurnal Penelitian Perikanan Laut (Albacore) Vol 9 No 3 (2025): Albacore
Publisher : Departemen PSP IPB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/core.9.3.459-469

Abstract

Shipyard is one of the port facilities that serves as a means of maintaining the ship before returning to fishing activities. PT. Proskuneo Kadarusman shipyard needs to maintain its existence in order to remain the shipyard of choice for ship owners through the speed of processing time of the services provided. This research aims to determine the most efficient time in the ship repair process at PT. Proskuneo Kadarusman shipyard. This research was conducted in January 2025 using a case study method of fishing vessel repair activities based at PPS Nizam Zachman Jakarta. The data obtained was then analyzed through a network with the critical path method and to identify the level of utilization of its facilities. The results showed that routine maintenance or minor repairs of fishing vessels and repairs accompanied by engine repairs can be completed within 4 days with an effectiveness of 66.67% of the time allocated by the shipyard. The utilization level of shipyard facilities from 30 GT fishing vessel repair activities is worth 66.67-100% which that the utilization of the work area is optimal. Factors that affecting ship repair work time are the condition of shipyard facilities, material availability, and the level of ship damage. Key words: critical path method, fishing vessel, network analysis, ship repair
Hubungan Panjang-Berat dan Faktor Kondisi Ikan Payangga (Giuris margaritacea Valenciennes, 1837) di Sungai Cikaso, Sukabumi: Length-Weight Relationship and Condition Factors of Snakehead gudgeon (Giuris margaritacea Valenciennes, 1837) in the Cikaso River, Sukabumi Baihaqi, Faqih; Annida, Shafira Bilqis; Pratama, Gilar Budi
FISHIANA Journal of Marine and Fisheries Vol. 4 No. 2 (2025): November
Publisher : Fakultas Perikanan UCM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61169/fishiana.v4i2.324

Abstract

Sungai Cikaso merupakan sebuah ekosistem perairan yang mengalir sepanjang sekitar 60 km di bagian tenggara Kabupaten Sukabumi, Provinsi Jawa Barat. Sungai ini dikenal oleh masyarakat sekitar sebagai salah satu sumber perairan utama yang memiliki keragaman hayati perikanan yang melimpah. Salah satu spesies ikan yang dapat ditemukan di wilayah ini adalah Giuris margaritacea, yang oleh penduduk lokal disebut sebagai ikan Payangga. Ikan Payangga menjadi salah satu ikan yang dikonsumsi oleh masyarakat setempat. Namun, penelitian ilmiah terkait aspek biologi ikan Payangga, terutama mengenai pertumbuhannya dan faktor kondisinya, masih sangat terbatas hingga saat ini. Penelitian ini bertujuan untuk mengkaji hubungan panjang-berat dan faktor kondisi ikan Payangga di Sungai Cikaso, Sukabumi. Data diperoleh dari 502 ikan yang berhasil terkoleksi menggunakan alat tangkap bubu selama periode penelitian sejak Januari hingga Desember 2021. Panjang total ikan Payangga terukur antara 98–238 mm dengan bobo tantara 28-244 gram. Hubungan panjang-berat ikan Payangga mengikuti persamaan kurva logistik W = 0,0008 L2,3048 dengan nilai determinasi sebesar 98,2%, yang menunjukkan hubungan yang sangat kuat antara panjang dan berat ikan. Faktor kondisi ikan Payangga bervariasi antara 0,87 hingga 1,26, dengan nilai tertinggi terjadi pada awal musim kemarau pada bulan Mei dan nilai terendah pada awal musim penghujan di bulan Agustus. Hasil penelitian ini memberikan informasi yang berguna terkait aspek biologi ikan Payangga, yang dapat digunakan sebagai dasar untuk pengelolaan dan konservasi spesies ini di perairan Sungai Cikaso.
DINAMIKA MUSIM PENANGKAPAN IKAN LAYUR YANG DIDARATKAN DI PPI CIKIDANG SERTA HUBUNGANNYA DENGAN KONDISI OSEANOGRAFI Pratama, Gilar Budi; Khoerunnisa, Nurani; Wicaksono, Anjas
Jurnal Penelitian Perikanan Indonesia Vol 31, No 1 (2025): (Maret 2025)
Publisher : Politeknik Kelautan dan Perikanan Karawang, BRSDM KP.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/jppi.31.1.2025.%p

Abstract

Penelitian ini menganalisis sebaran suhu permukaan laut, konsentrasi klorofil-a, dan produksi ikan layur di PPI Cikidang dari tahun 2017 hingga 2021. Data menunjukkan bahwa suhu permukaan laut berkisar antara 27.89°C hingga 28.95°C, dengan variasi musiman yang mencolok, dan konsentrasi klorofil-a berfluktuasi dari 0.065 mg/m³ hingga 3.565 mg/m³. Produksi ikan layur tertinggi terjadi pada bulan Agustus dan terendah pada bulan Mei atau Juli setiap tahun. Analisis korelasi mengungkapkan bahwa suhu permukaan laut memiliki hubungan negatif signifikan dengan produksi ikan layur (r = -0.344, p-value < 0.05), sementara konsentrasi klorofil-a tidak menunjukkan pengaruh signifikan (r = 0.240, p-value > 0.05). Penangkapan ikan layur paling intensif terjadi dari Juli hingga Desember, dengan nilai Indeks Musim Penangkapan (IMP) lebih dari 100% pada periode tersebut. Dampak pandemi COVID-19 terlihat dari penurunan produksi ikan layur yang signifikan pada tahun 2020 dan 2021, akibat penurunan permintaan dan gangguan aktivitas penangkapan. Temuan ini menegaskan bahwa suhu permukaan laut berperan penting dalam produksi ikan layur, sedangkan konsentrasi klorofil-a dan faktor eksternal seperti pandemi memiliki pengaruh yang lebih kecil.KATA KUNCI: COVID-19, klorofil-a, musim penangkapan ikan, produksi ikan layur, suhu permukaan laut.
Pengembangan E-Modul Interaktif pada Mata Kuliah Praktikum Pajak Penghasilan : Development of Interactive E-Modules in Income Tax Practicum Courses Retta Farah Pramesti; Tantri Annisa Hanjani; Gilar Budi Pratama; Efri Elsridayani Purba
Edu Cendikia: Jurnal Ilmiah Kependidikan Vol. 4 No. 03 (2024): Research Articles, December 2024
Publisher : ITScience (Information Technology and Science)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/educendikia.v4i03.5221

Abstract

This study aims to overcome the problem of non-standardized teaching materials and low practical skills of students in the Income Tax (PPh) Practicum course. This challenge impacts the effectiveness of learning and students' readiness to understand and apply the concept of PPh. Therefore, it is necessary to develop innovative, interactive, and relevant teaching materials to improve students' understanding of the material, learning motivation, and practical skills. The practicum module is an important thing to prepare in practicum learning as a tool that supports student learning to be more effective and efficient in understanding the existing material. This study uses the Research and Development (RnD) method with the 4D development model (Define, Design, Develop, and Disseminate). The research stages include needs analysis, interactive module design, development and limited trials on 37 students, and evaluation of the module's feasibility by experts and users. The developed e-module is feasible, with a score of 80% for content quality, learning objectives, and instructional, and 100% for the quality of interactive teaching materials. The level of student satisfaction reached 89.2%, while the quality of the questions was assessed at 91.9%, indicating the module's effectiveness in improving students' understanding, learning motivation, and practical skills. This study successfully developed an interactive-based PPh Practicum e-module, which was feasible and effective in enhancing students' knowledge, motivation, and practical skills. Further research is recommended to expand the module's implementation and integrate tax software to support students' readiness in the world of work.
Penyusunan Buku Panduan Praktis Penggunaan AI yang Beretika dalam Kegiatan Akademik Mahasiswa: Compiling a Practical Guidebook for the Ethical Use of Generative AI in Student Academic Activities Tantri Annisa Hanjani; Retta Farah Pramesti; Gilar Budi Pratama
Edu Cendikia: Jurnal Ilmiah Kependidikan Vol. 5 No. 02 (2025): Research Articles, August 2025
Publisher : ITScience (Information Technology and Science)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/educendikia.v5i02.5952

Abstract

This study addresses students' lack of understanding regarding the ethics of using Generative AI (Gen AI) in academic activities. This guidebook serves as a response to the increasing integration of generative AI technology in education, which requires students to adopt AI technology and use it responsibly and ethically. This study uses the Research and Development (R&D) method with the 4D development model (Define, Design, Develop, and Disseminate). The research stages include content and technical needs analysis, content design and guidebook framework, development and limited trials with eight student representatives, validation of the guidebook's feasibility by experts and users, and dissemination of the guidebook to the target audience. The results show that experts consider this practical guidebook appropriate, with a Likert scale score of 3.6 for content, visuals, and technical aspects. The evaluation results show that 91.7% of students agree that this guidebook provides comprehensive information on the ethical use of Gen AI, and 66% of students agree that this book provides clear guidance for academic activities. This practical guidebook successfully addresses students' lack of understanding regarding the ethical use of Gen AI in academic activities. The student-centered approach is relevant, applicable, and potentially integrated into courses such as digital literacy or academic methodology. Further extensive testing and continued content development are recommended to align with technological updates for further research and broader implementation.
Identification and Characterization of Marine Debris on Teluk Penyu Beach, Cilacap Lady Ayu Sri Wijayanti; Gilar Budi Pratama; Andini N.A.; Raziq Aldin; Ismail Maqbul; Mochamad Ramdhan Firdaus
JURNAL PESISIR DAN LAUT TROPIS Vol. 13 No. 2 (2025): JURNAL PESISIR DAN LAUT TROPIS
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/jplt.13.2.2025.61978

Abstract

This study was conducted at Teluk Penyu Beach, Cilacap Regency, with the aim of analyzing the composition, density, and primary sources of marine debris in the area. Sampling was carried out from October to November 2024 using a 5×5 m quadrat transect method along the shoreline, with a 20 m distance between transects. The results showed that a total of 2,021 debris pieces were collected, with the main composition consisting of wood debris (1,485 pieces; 62.80%), plastic (469 pieces; 19%), other materials (294 pieces; 14.58%), plastic foam (42 pieces; 2.60%), fabric (10 pieces; 1.12%), and rubber (7 pieces; 0.17%). The highest debris density was found in the wood category, with 12 pieces/m², followed by plastic (3.752 pieces/m²), plastic foam (0.336 pieces/m²), other materials (0.16 pieces/m²), fabric (0.133 pieces/m²), and rubber (0.14 pieces/m²). Based on the Clean-Coast Index (CCI) calculation, the beach cleanliness index score of 8 indicates that Teluk Penyu Beach falls into the "moderate" category. These findings suggest that the primary source of debris in the area originates from wood waste transported from Segara Anakan through the Nusakambangan Strait, as well as tourism and fishing activities. Sustainable coastal environmental management efforts are necessary to mitigate pollution impacts, including increasing public awareness and implementing ecosystem-based waste management strategies. Keywords: anthropogenic pollutants, Clean-Coast Index, coastal debris, lagoon, wood ABSTRAK Penelitian ini dilakukan di Pantai Teluk Penyu, Kabupaten Cilacap dengan tujuan untuk menganalisis komposisi, kepadatan, dan sumber utama sampah laut di kawasan tersebut. Pengambilan sampel dilakukan pada bulan Oktober–November 2024 menggunakan metode transek kuadrat 5x5 m di sepanjang garis pantai dengan jarak 20 m antar transek. Hasil penelitian menunjukkan bahwa total sampah yang terkumpul sebanyak 2.021 potongan dengan komposisi utama berupa sampah kayu (1.485 potongan; 62,80%), plastik (469 potongan; 19%), bahan lain (294 potongan; 14,58%), busa plastik (42 potongan; 2,60%), kain (10 potongan; 1,12%), dan karet (7 potongan; 0,17%). Kepadatan sampah tertinggi ditemukan pada kategori kayu dengan 12 potongan/m², diikuti plastik (3,752 potongan/m²), busa plastik (0,336 potongan/m²), bahan lain (0,16 potongan/m²), kain (0,133 potongan/m²), dan karet (0,14 potongan/m²). Berdasarkan perhitungan Clean-Coast Index (CCI), nilai indeks kebersihan pantai sebesar 8 menunjukkan bahwa Pantai Teluk Penyu masuk dalam kategori “sedang.” Temuan ini mengindikasikan bahwa sumber utama sampah di kawasan ini berasal dari limbah kayu yang terbawa dari Segara Anakan melalui Selat Nusakambangan, serta aktivitas wisata dan perikanan. Upaya pengelolaan lingkungan pesisir yang berkelanjutan diperlukan untuk mengurangi dampak pencemaran, termasuk melalui peningkatan kesadaran masyarakat dan pengelolaan limbah berbasis ekosistem. Kata kunci: antropogenik polutan, Clean-Coast Indeks, debris pesisir, kayu, laguna
Composition and diversity of drift gillnet catches landed at PPI Cikidang Pangandaran Gilar Budi Pratama; Khoerunnisa Nurani
Nekton Vol 5 No 1 (2025): Nekton
Publisher : Politeknik Negeri Sambas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47767/nekton.v5i1.1004

Abstract

Cikidang Fishing Port is one of the fishing ports that plays an important role in capture fisheries in Pangandaran, with drift gillnet as the main fishing gear. The high use of this tool encourages the analysis of the diversity and composition of the catch to assess fishery productivity and maintain resource sustainability. This study aimed to analyze the composition and diversity of drift gillnet catches landed at the PPI Cikidang Pangandaran. The methods used include the calculation of production amount and value, Catch Per Unit Effort, percentage of catch composition, and diversity index. The data analyzed were obtained from the Cikidang PPI statistical report during the 2019-2021 period. The results showed that white pomfret (Pampus argenteus) was the most dominant species in the catch, with an average contribution of 26.4% per year, whereas yellow mackerel (Selaroides leptolepis) had the least catch (only 0.62% per year). The catch diversity index showed a value of 2.77 in 2019, 2.19 in 2020, and 2.21 in 2021, which falls into the medium category. Habitat conservation efforts and increased awareness of fishermen are also needed so that fishery resources in the Cikidang Fishing Port remain sustainable and productive in the long term.
Co-Authors Ainun Apriliyani Muhyun Aisyah Aisyah Aisyah Aisyah Andini N.A. Asep Sahidin Baehaqi Dzulpikah Darojat, Hanif Efri Elsridayani Purba Elvanri Anggi Widianti Faqih Baihaqi Fatuh Inayaturohmat Firdaus, Mochamad Ramdhan Fortuna, Resyh Indy Gondo Puspito Hanifah, Aisyah Hanjani, Tantri Annisa Harlina, Adinda Tri Helmalia Asri Heti Herawati Irna Salwa Al Iksani Ismail Maqbul Izza Mahdiana Apriliani Lady Ayu Sri Lady Ayu Sri Wijayanti Lady Ayu Sri Wijayanti Maharani, Tri Annisa Mella Anggraeni Mochamad Ramdhan Firdaus Mochhamad Ikhsan Cahya Utama Muhyun, Ainun Apriliyani Mustaruddin Nita Cahyani Nugraha, Tito Aria Nurani Khoerunnisa Nurani Khoerunnisa Pramesti, Retta Farah Prihatin Ika Wahyuningrum Pringgo Kusuma Dwi Noor Yadi Putra Purba, Efri Elsridayani Raziq Aldin Retta Farah Pramesti Rian Hidayat Ronny I. Wahju Sari, Elviana Dian Mustika Shafira Bilqis Annida Sitty Ainsyah Habibie Tantri Annisa Hanjani Tri Wiji Nurani Veronica Veronica Wicaksono, Anjas Yeni Herdiyeni Zahidah Zamira, Nasywa Aurellia