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All Journal Jurnal Teknik Mesin International Journal of Renewable Energy Development Niagawan Bulletin of Electrical Engineering and Informatics Jurnal Kelautan : Indonesian Journal of Marine Science and Technology KURVA S JURNAL MAHASISWA Rekayasa Mesin Journal of Engineering and Management in Industrial System Business UHO: Jurnal Administrasi Bisnis Jurnal IUS (Kajian Hukum dan Keadilan) Journal of Accounting Science JMBI UNSRAT (Jurnal Ilmiah Manajemen Bisnis dan Inovasi Universitas Sam Ratulangi) Jurnal Media Elektro : Journal of Electrical Power, Informatics, Telecommunication, Electronics, Computer and Control System SENTRALISASI JMKSP (Jurnal Manajemen, Kepemimpinan, dan Supervisi Pendidikan) Unnes Journal of Public Health JTRM (Jurnal Teknologi dan Rekayasa Manufaktur) Jurnal Ilmiah Akuntansi Kesatuan International Journal of Mechanical Engineering Technologies and Applications (MECHTA) Asean Journal of Science and Engineering (AJSE) Journal of Social Research Jurnal Keuangan dan Perbankan(KEBAN) Jurnal Abdi Mandala Hexatech: Jurnal Ilmiah Teknik Journal Research of Social Science, Economics, and Management Eduvest - Journal of Universal Studies Jurnal Ilmiah Pangan Halal International Journal of Renewable Energy Development Jurnal Penelitian Pendidikan Indonesia Journal of Fisheries & Marine Journal of Transportation and Society Empowerment
Slamet Wahyudi
Universitas Brawijaya
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture 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 Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Neuroscience Public Health Social Sciences Transportation Other

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Seagrass Ecosystem Assesment for Dugong Conservation: Integrating Anthropogenic Activites and Oceanographic Parameters in East Java’s Coastal Waters Dewi, Citra Satrya Utama; Ciptadi, Gatot; Wahyudi, Slamet; Wiadnya , Dewa Gede Raka; Semedi, Bambang; Sukandar, Sukandar; Isdianto, Andik; Sunuddin, Adriani; Herandarudewi, Sekar Mira; Tarno, Hagus
Jurnal Ilmiah Perikanan dan Kelautan Vol. 17 No. 3 (2025): JURNAL ILMIAH PERIKANAN DAN KELAUTAN
Publisher : Faculty of Fisheries and Marine Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jipk.v17i3.71841

Abstract

Graphical Abstract   Highlight Research 1. The study successfully identified the utilization of coastal and marine areas within the research site. 2. Oceanographic parameters across the study area have been analyzed, providing insights into variations in environmental conditions favoring seagrass ecosystem resilience. 3. The structure of seagrass vegetation has been thoroughly observed, revealing differences in species composition, density, and coverage. 4. Furthermore, the study establishes the connectivity between coastal and marine spatial utilization, oceanographic factors, and seagrass ecosystem dynamics, highlighting their interdependent relationships.     Abstract This study aims to assess the ecological status of seagrass meadows and their relationship with dugong (Dugong dugon) habitats across four distinct ecological regions in East Java, Indonesia. Field assessments were conducted to evaluate seagrass community structure, oceanographic parameters, and the intensity of human activities. Seagrass distribution was mapped using Sentinel-2A satellite imagery, while seagrass health was evaluated through the Seagrass Ecological Quality Index (SEQI) and Importance Value Index (IVI). Statistical analyses, including Analysis of Variance (ANOVA) and Principal Component Analysis (PCA), were employed to identify significant differences and key environmental drivers. The results revealed marked spatial variation in oceanographic characteristics and seagrass coverage (p < 0.05). PCA showed that anthropogenic factors—particularly marine space utilization such as aquaculture and coastal development—were major contributors to seagrass degradation. Elevated nutrient concentrations were also associated with declining seagrass health, indicating land-based pollution as a dominant stressor. These findings underline the urgent need for integrated coastal zone management. Strengthening conservation policies, reducing terrestrial runoff, and implementing sustainable marine spatial planning are critical to safeguard seagrass ecosystems and ensure the long-term survival of dugong populations in Indonesian waters.
Analysis Of The Implementation Of Csr Programs On Environmental Performance (Case Study: Bio-Manufacturing Companies) Wahyudi, Slamet; Ratnasari , Vita
Journal of Social Research Vol. 4 No. 7 (2025): Journal of Social Research
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/josr.v4i7.2713

Abstract

Harmonious relations between companies and surrounding communities are the dream of every industry. In reality, however, industries often experience conflicts with surrounding communities. This is due to several factors, namely those related to employment and environmental impacts. A notable social conflict occurred in 2012 when approximately 64 local residents staged a demonstration. To mitigate such conflicts, the company has adopted a community engagement approach through its Corporate Social Responsibility (CSR) program. This study examines the alignment and implementation of CSR programs in relation to their impact on environmental performance at a bio-manufacturing company located in East Java, Indonesia. To date, the company's CSR programs have incorporated suggestions from the local community. Based on company data, the percentage of social CSR programs is highly dominant at 83.5%, consisting of charity, religious, and natural disaster relief initiatives. This study employs an explanatory quantitative approach to test existing theories or hypotheses, aiming to strengthen or add to previous research findings. While other studies only use the CSR disclosure variable, this study includes the type of CSR variable that influences CSR disclosure and several external influences on environmental performance. The sample size for this study is 300 respondents from the community surrounding the company. Data was collected through the distribution of questionnaires and analyzed using SEM-PLS software. The results of the study indicate that CSR disclosure, pro-environmental community actions, and environmental NGOs have a positive and significant effect on environmental performance. The suitability of CSR programs for the community is the main factor influencing the value of CSR disclosure satisfaction. This study shows that the appropriate CSR programs for companies are social CSR, health CSR, and environmental CSR.
Enhanced Hydrogen Production from Biomass Pyrolysis using Surfactant-Modified Na-Bentonite Catalyst Irawan, Dwi; Wijayanti, Widya; Wahyudi, Slamet; Kusumo, Herma Nugroho Rono Adi; Yani, Ahmad; Wardana, I.N.G.
ASEAN Journal of Science and Engineering Vol 5, No 3 (2025): AJSE: December 2025
Publisher : Universitas Pendidikan Indonesia (UPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17509/ajse.v5i3.88898

Abstract

This study investigates the improvement of hydrogen gas production in biomass pyrolysis through the use of Na-bentonite catalysts modified with methyl ester sulfonate (MES), a biodegradable anionic surfactant. Corn cob powder was used as the biomass feedstock in a fixed-bed pyrolysis reactor at 550°C. The MES modification introduced alkyl, ester, and sulfonate functional groups, increasing the catalyst porosity, surface area, and acidity. Structural and chemical changes were confirmed by FTIR, XRD, UV-Vis, SEM, and EDX analyses. The MES-modified Na-bentonite catalyst significantly enhanced hydrogen production, reaching 876 ppm (a 25.11% increase compared to pyrolysis without a catalyst) and also lowered the reaction temperature and shortened the reaction time. Methane production decreased as MES improved catalyst selectivity toward dehydrogenation pathways. The results indicate that MES-modified Na-bentonite is a low-cost, efficient, and environmentally friendly catalyst suitable for improving hydrogen yields in biomass pyrolysis, offering a promising alternative to conventional metal-based catalysts.
Trafo daya menggunakan minyak isolasi yang dapat terurai secara biologis Indarto, Agus; Bohra, Arunkumar; Wahyudi, Slamet; Dharmanto, Asep
Hexatech: Jurnal Ilmiah Teknik Vol. 2 No. 2 (2023): Hexatech: Jurnal Ilmiah Teknik
Publisher : ARKA INSTITUTE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55904/hexatech.v2i2.892

Abstract

Desain, proses manufaktur, dan teknologi material baru yang ramah lingkungan diadopsi oleh industri transmisi dan distribusi listrik karena meningkatnya permintaan untuk emisi karbon nol untuk mencapai praktik berkelanjutan dan melindungi lingkungan dengan lebih baik. Trafo daya memainkan peran penting dalam sistem transmisi dan distribusi. Meningkatkan dampak lingkungan dari transformator daya dimungkinkan karena sifat-sifatnya, seperti keamanan kebakaran yang lebih tinggi, bahan yang dapat terurai secara hayati atau dapat didaur ulang, dan pemanfaatan aset yang optimal. Studi yang lebih baru telah membantu produsen untuk lebih memahami sifat listrik, termal, dan kimiawi cairan ester. Studi ini meneliti desain transformator daya yang menggunakan minyak isolasi biodegradable (berbasis ester) dan membandingkan desainnya dengan yang menggunakan minyak mineral dengan peringkat yang sama. Metodologi yang digunakan adalah studi kasus desain pendingin udara 60MVA 275/33 kV dan studi perbandingan dengan desain oli mineral. Perbandingan antara transformator dan transformator yang diisi dengan oli mineral konvensional didasarkan pada pendinginan, dielektrik, dan dimensinya. Hasil penelitian menunjukkan bahwa pendinginan membutuhkan kapasitas yang lebih besar serta dimensi transformator daya. Desain dielektrik tidak memiliki perbedaan yang signifikan di antara keduanya.
KEGIATAN PENGABDIAN KEPADA MASYARAKAT SOSIALISASI KESELAMATAN PELAYARAN BAGI AWAK KAPAL PENUMPANG TRADISIONAL DI DESA BANDENGAN KECAMATAN JEPARA KABUPATEN JEPARA Sapan, Yustina; Andromeda, Vega Fonsula; Budi, Arif Setyo; Wahyudi, Slamet
Pengabdian Masyarakat Vol 1 No 2 (2023): JTSE Vol.1 No.2 2023
Publisher : Politeknik Ilmu Pelayaran Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46484/jtse.v1i2.435

Abstract

Pengabdian kepada masyarakat dalam bentuk kegiatan sosialisai keselamatan pelayaran dengan metode secara langsung disampaikan kepada Awak kapal penumpang tradisional di Kabupaten Jepara dan diselenggarakan oleh Politeknik Ilmu Pelayaran Semarang bekerja sama dengan Unit Penyelenggara Pelabuhan Kelas II Jepara yang diselanggarakan di kantor Balai Desa Bandengan dengan mematuhi protokol kesehatan dan penerapan physical distancing dengan jumlah peserta 65 (enam puluh lima) orang. kegiatan pengabdian kepada masyarakat baik mandiri atau terpadu dengan tetap melibatkan narasumber, terutama para dosen di lingkungan Politeknik Ilmu Pelayaran Semarang.
The Role of Anti-Fraud Policies in Moderating the Influence of the Fraud Hexagon on Financial Statement Fraud at Islamic Commercial Banks in Indonesia Rizki, Septi Hasna; Wahyudi, Slamet; Hakim, Luqman
Journal Research of Social Science, Economics, and Management Vol. 5 No. 3 (2025): Journal Research of Social Science, Economics, and Management
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/jrssem.v5i3.1101

Abstract

Based on SFAC (Statement of Financial Accounting Concepts) No. 8, the purpose of financial reporting is to provide relevant financial information to external users to support their decision-making. This study aims to examine the influence of pressure, capability, collusion, opportunity, rationalization, and ego on financial statement fraud at Islamic Commercial Banks in Indonesia by considering the role of anti-fraud policies as a moderating variable. This study employs a quantitative approach using panel data from eight Islamic Commercial Banks over the period 2018–2024, analyzed using fixed-effects regression. The results indicate that anti-fraud policies are unable to moderate the influence of pressure and capability on financial statement fraud. However, anti-fraud policies effectively moderate the influence of collusion, opportunity, rationalization, and ego, thereby reducing or weakening financial statement fraud. These findings reinforce the validity of fraud theory in the context of Islamic Commercial Banks and emphasize the importance of implementing effective anti-fraud policies to mitigate behavioral and systemic fraud risks. The practical implications of this study highlight the need to strengthen internal oversight and organizational ethical culture as part of a sustainable fraud prevention strategy in the Islamic commercial banking sector.
Co-Authors A.A. Ketut Agung Cahyawan W Abdul Madjid Achmad Noerkhaerin Putra Achmad Wibolo Aditya Wahyu Pratama Adrian Maidangkay Adriani Sunuddin Agung Sugeng Widodo Agus Indarto ahmad yani Al Manar, Primadika Ali Muntaha Andik Isdianto Andy Nugraha Anindito Purnowidodo Arifiana, Zahra Arimurti, Trias Aris Kurniawan Aulanni’am Aulanni’am Awaluddin Awaluddin Azamataufiq Budiprasojo Bambang Dwi Argo Bambang Semedi Bayanullah, Muhammad Bohra, Arunkumar Breliastiti, Ririn Budha Maryanti Budi, Arif Setyo Budiono Budiono Deandra, Muhammad Rizqi Denny Widhiyanuriyawan Denny Widyanuriyawan Dewi, Citra Satrya Utama Dharmanto, Asep Dhimas Nur Cahyadi Djaddang, Syahril Djoko Sutikno Dwi Irawan Eko Siswanto Ena Marlina Femiana Gapsari MF Fitriansyah, Erwin Fuad, Ainul Gatot Ciptadi Hagus Tarno Herandarudewi, Sekar Mira Hidayati, Nafisah Arina I.K.G. Wirawan I.N.G. Wardana I.N.G. Wardana ishak usman Jameelah, Mariyam Janitra Naufal Faza Kenoriza, Muhammad Ramadhan Krishna Tri Sanjaya Kusumo, Herma Nugroho rono adi Lilis Yuliati Lukman, Hendro Luqman Hakim Mahendra, Kiemas Aji Andika Marali, Aryati Muhaymin Mariki, I Wayan Wawan Marjono, Marjono Marundha, Amor Mochammad Junus Moh. Khusaini Muhamad Bula Muhammad Arif Muhammad Azmi, Muhammad Nafisah Arina Hidayati Noorsakti Wahyudi Nugraha, Arif Yunizar Nur Robbi Nurcahali, Fani Nuri Andarwulan Nurkholis Hamidi Nursaman, Dede Nurul Ichsan Pratikto Pratikto Pratikto, Pratikto Pribadi, Moch Fadlal Islamay Purnami Purnami Purnomo Budi Santoso Quraisya, Denas Rahmad Rahmad Randy Kuswanto Ratnasari , Vita Raviko, Johansyah Richard Pietersz Rizki, Septi Hasna Romels C. A. Lumintang Ronny Tuhumena Rosy Hutami Rudy Soenoko Rudy Soenoko Rudy Soenoko S Soemarno Sabaruddin Sabaruddin Saddam, Muhammad Sahri Muhammad Sapan, Yustina sapanli, kastana Septiani, Bunga Sonief, Ahmad As'ad SUBEKTI, FAJAR Sudarno Sudarno Sudjito Soeparman Sugiarto S Sugiono Sugiono Sukandar Sukandar Sulhendri Vega Fonsula Andromeda Wahyono Suprapto Wiadnya , Dewa Gede Raka Widya Wijayanti Winarto Winarto Yao, Jiafeng Yustian Bella Yuswono Hadi Zuhud, Ervizal A. M.