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All Journal Jurnal Ilmu dan Teknologi Kelautan Tropis Economics and Business Journal FUNDS: Jurnal Ilmiah Akutansi, Keuangan, dan Bisnis
Rastina
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Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Library & Information Science

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Sebaran Suhu Permukaan Laut Teluk Lampung berdasarkan Citra Landsat-8 dan Kaitannya terhadap Indian Ocean Dipole (IOD) Periode Tahun 2013 – 2021 Dema Okgareta; I Wayan Nurjaya; Yuli Naulita; Rastina
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 15 No. 3 (2023): Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jitkt.v15i3.48441

Abstract

Suhu permukaan laut merupakan parameter oseanografi yang penting di perairan lautan karena perubahan suhu air laut dapat mengubah ekosistem perairan. Perairan Teluk Lampung yang berasal dari Samudera Hindia dan Laut Jawa yang melewati Selat Sunda akan dipengaruhi oleh Indian Ocean Dipole (IOD). Penelitian ini bertujuan untuk menganalisis pola sebaran Suhu Permukaan Laut (SPL) antar-tahun secara spasial dan temporal dalam kurun waktu 9 tahun terakhir (2013-2021) serta menganalisis pengaruh fenomena IOD terhadap anomali SPL di Teluk Lampung. Metode yang digunakan adalah metode uji regresi, metode deskriptif dan statistik korelatif. Hasil menunjukkan bahwa nilai SST dari ekstraksi citra Landsat-8 dapat mewakili kondisi SPL in situ dengan uji regresi R2=0,6872. Fenomena IOD memengaruhi pola sebaran SPL perairan Teluk Lampung terlihat pada fase IOD positif (2015, 2018 dan 2019) atau fase IOD negatif (2013 dan 2016) menunjukkan adanya anomali Sea Surface Temperature (SST) perairan Teluk Lampung. Korelasi antara IOD dan SPL di Teluk Lampung memiliki dua hasil yaitu pada perairan terbuka (TL3, TL4, dan TL5) berkorelasi sedang (r>0,7) dan korelasi lemah (r<0,2) pada titik pengamatan TL1 dan TL6 yang merupakan titik dekat dengan daratan.
Enhancing MSME Competitiveness Through Financial Literacy and Digital Transformation in Indonesia Idrus, Muhammad Ishlah; Rastina
Economics and Business Journal (ECBIS) Vol. 2 No. 6 (2024): September
Publisher : PT. Maju Malaqbi Makkarana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47353/ecbis.v2i6.183

Abstract

Micro, Small, and Medium Enterprises (MSMEs) are a cornerstone of Indonesia's economy, contributing 60.5% to the national GDP and employing 97% of the workforce. However, MSMEs face challenges such as low financial literacy and limited adoption of digital technologies, which hinder their competitiveness in the global market. This study explores the synergistic role of financial literacy and digital transformation in enhancing MSME performance and competitiveness. Using a qualitative approach, data were collected through in-depth interviews, focus group discussions, and policy document analysis. The findings reveal that the average financial literacy level among MSME actors in Indonesia is only 38%, leading to poor financial management and limited access to formal financing. On the other hand, only 16% of MSMEs have integrated digital technologies into their operations, with those who did reporting significant improvements in efficiency and revenue. The integration of financial literacy with digital tools was found to have a multiplier effect, enabling better resource management, improved decision-making, and enhanced market competitiveness. This study highlights the importance of targeted policies to combine financial literacy training with digital technology adoption. By addressing challenges such as infrastructure limitations and resistance to change, stakeholders can foster inclusive economic growth and empower MSMEs to thrive in the digital economy.
Estimasi Kesuburan Perairan Teluk Lampung berdasarkan Vertically Generalized Production Model (VGPM) Hartanto, Mochamad Tri; Febrianto, Muhammad Riza Hanief; Susanti, Santi; Lestari, Dea Fauzia; Prartono, Tri; Rastina; Martinez, Stepahnie J.; Zaki, Nurul Hidayah Mat; Effendi, Irzal
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 16 No. 3 (2024): Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jitkt.v16i3.60125

Abstract

Lampung Bay is an important water crossing in South Sumatra that is greatly influence by anthropogenic activities and oceanographic characteristics. This study characterized and estimated the spatial and temporal Primary Productivity (PP) in the three sections of the bay: head, middle, and mouth. The PP was modeled by using Sea Surface Temperature (SST), chlorophyll-a, Primary Productivity, and Photosynthetically Active Radiation (PAR) collected from remote sensing data and field measurements. Primary productivity was modeled with a Vertically Generalized Production Model (VGPM), and data validation was done using the Root Mean Square Error method. The distribution of PAR in Lampung Bay ranged from 35–52.50 E/m2/day. The distribution of SST ranged from 28.5–31.50°C. The highest distribution of chlorophyll-a was at the hHead of the bay with a range of 0.30-12 mg/m3. Correlation analysis shows that chlorophyll-a had the highest influence on PP (R2=0.99). While the middle and outer areas of the bay have a low average with values of 122.65 and 101.84 gC/m2/year. Our models show that there is high primary production at the Head of the bay, reaching eutrophic and mesotrophic levels. The middle and outer areas of the bay show productivity levels corresponding to mesotrophic and oligotrophic levels.
PENERAPAN AKUNTANSI PERTANGGUNGJAWABAN SEBAGAI ALAT PENILAIAN KINERJA MANAJEMEN KURIR DAN LOGISTIK Rastina
Funds: Jurnal Ilmiah Akuntansi, Keuangan, dan Bisnis Vol 2 No 2 (2024): FUNDS
Publisher : Program Studi Akuntansi Lembaga Keuangan Syariah, FEBI, IAIN Parepare

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35905/funds.v3i1.10956

Abstract

The Parepare Branch Office of PT. Pos Indonesia has achievement targets that need to be met. However, in practice, it frequently falls short of these established targets.. By implementing responsibility accounting in the company, the management performance will be better. Meanwhile, good management performance will make it easier for companies to implement responsibility accounting so that company goals can be achieved. This research aims to find out how 1) Procedures for implementing operational activities at PT. Pos Indonesia (Persero) Parepare Branch Office, 2) implementation of responsibility accounting based on responsibility accounting requirements at PT. Pos Indonesia (Persero) Parepare Branch Office, 3) the role of responsibility accounting in assessing management performance at PT. Pos Indonesia (Persero) Parepare Branch Office. This research method uses a qualitative case study approach with a type of field research, and the data collection methods in this research are observation, interviews and documentation. The data analysis techniques include data collection, data reduction and data presentation. The research results show that: 1) Procedures for implementing operational activities at PT. Pos Indonesia (Persero) Parepare Branch Office corporate services include offers and Cooperation Agreements with corporate partners, receipt of Goods/Documents, sorting and packing processes, up to delivery to the Destination, followed by tracking and Monitoring, and finally the issuance of Billing Letters/Payment Invoices. 2) PT. Pos Indonesia (Persero) Parepare Branch Office has implemented responsibility accounting in accordance with the conditions for its implementation, namely there is an organizational structure in the company, preparation of a budget, separation of controlled and uncontrolled costs, classification of account codes, and there is accountability reporting. 3) By using responsibility accounting as a performance assessment tool, the accountability of managers and employees becomes clearer, and can increase their motivation to work better because their performance will be evaluated and rewarded fairly.
Karakteristik Pola Arus di Perairan Teluk Jakarta Pada Musim Barat dan Timur Nugraha, Teguh; Nurjaya, I Wayan; Rastina; Susanti, Santi
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 17 No. 1 (2025): Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jitkt.v17i1.41406

Abstract

Teluk Jakarta merupakan contoh wilayah pesisir yang berpotensi terus mengalami perubahan, baik dipengaruhi oleh faktor alami seperti angin, arus, dan gelombang, serta aktivitas manusia seperti pemukiman, pembangunan pesisir, industri, serta eksplorasi sumber daya perairan dan pesisir. Adanya fenomena munson di Laut Jawa berpengaruh terhadap perubahan pola hidrodinamika perairan Teluk Jakarta, terutama perubahan pola arus. Penelitian ini bertujuan menganalisis perubahan pola arus perairan Teluk Jakarta tahun 2021 pada dua musim yang berbeda (musim barat dan musim timur) melalui pendekatan model hidrodinamika. Penyelesaian solusi hidrodinamika dilakukan menggunakan perangkat lunak OpenFlows dengan data masukan berupa batimetri, pasang surut, angin, dan gelombang, serta validasi hasil model menggunakan data pasang surut dan arus hasil pengukuran di lapang pada bulan Maret dan Agustus tahun 2021. Hasil pemodelan hidrodinamika menunjukkan adanya perubahan arah dan kecepatan arus pada dua musim yang berbeda, baik berdasarkan fase pasang surut yang berbeda maupun pada arus non-pasut (residu). Pola arus pada kedua kondisi sejalan dengan pola perubahan angin pada kedua musim, mengindikasikan kuatnya pengaruh rezim munson di perairan Teluk Jakarta. Hasil validasi model hidrodinamika menggunakan arus dan pasang surut berdasarkan nilai Root Mean Square Error (RMSE) yang ditampilkan pada diagram taylor menunjukan nilai yang baik, mengindikasikan bahwa hasil model dapat merepresentasikan kondisi arus sebenarnya di lapangan. Hasil model hidrodinamika yang baik ini bermanfaat untuk menjadi dasar membuat model lanjutan seperti model sebaran polutan, sedimen, sampah dan lain-lain.
Co-Authors Dea Fauzia Lestari, Dea Fauzia Dema Okgareta Febrianto, Muhammad Riza Hanief Hartanto, Mochamad Tri I Wayan Nurjaya Idrus, Muhammad Ishlah Irzal Effendi Martinez, Stepahnie J. Nugraha, Teguh Santi Susanti, Santi Tri Prartono Yuli Naulita Zaki, Nurul Hidayah Mat