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All Journal Jurnal Akuakultur Indonesia Jurnal Pengolahan Hasil Perikanan Indonesia Jurnal Akuakultur Rawa Indonesia Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Jurnal Lahan Suboptimal Jurnal Perikanan dan Kelautan Jurnal Pengabdian Kepada Masyarakat Sakai Sambayan Jurnal Sumberdaya Akuatik Indopasifik Omni-Akuatika Acta Aquatica: Aquatic Sciences Journal Jurnal Riset Akuakultur Jurdimas (Jurnal Pengabdian Kepada Masyarakat) Royal Journal of Aquaculture and Fish Health Jurnal Mangifera Edu Jurnal Abdi Insani Reswara: Jurnal Pengabdian Kepada Masyarakat SRIWIJAYA JOURNAL OF ENVIRONMENT Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan Quagga: Jurnal Pendidikan dan Biologi Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan JARI : Jurnal Akuakultur Rawa Indonesia
Ferdinand Hukama Taqwa
Program Studi Budidaya Perairan, Jurusan Perikanan, Fakultas Pertanian, Universitas Sriwijaya
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Public Health Social Sciences Other

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Pertumbuhan dan Kelangsungan Hidup Ikan Putak (Notopterus notopterus, Pallas 1769) yang Dipelihara dalam Waring di Sungai Kelekar Muslim, Muslim; Syaifudin, Mochamad; Taqwa, Ferdinand Hukama; Hamdani, Hijral
Jurnal Sumberdaya Akuatik Indopasifik Vol 8 No 2 (2024): Mei
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46252/jsai-fpik-unipa.2024.Vol.8.No.2.420

Abstract

The bronze featherback (N. notopterus, Pallas 1769) is one of Indonesia's native fish species. This species has been protected by the Indonesian government. Domestication of this species is very important for its sustainability. The aim of this study was to evaluate the impact of different stocking densities on growth, survival, and feed efficiency. N. notopterus is reared in net cages. The research treatments were stocking densities of 1, 3, and 5 fish.m-2 with three replications. The initial body weights of N. notopterus were 55.40 ± 3.40; 55.41 ± 2.90; and 56.07 ± 1.06 g, respectively. The growth trial lasted for 60 days, from May to July 2023. The individual weights of fish in each net cage were recorded monthly. The final body weights of the fish stocked at densities of 1, 3, and 5 fish.m-2 reached 66.87±2.17, 67.63±3.06, and 64.93±0.72 g, respectively. The specific growth rate values were 0.45, 0.48, and 0.34% day-1 at temperatures ranging between 25.1 and 30.3°C. The feed efficiency values were 8.36, 9.04, and 6.30%, and the survival rates were calculated at 100, 100, and 93.3%, respectively. The results revealed that stocking density had a significant effect on the growth and feed efficiency of N. notopterus. The results of this study showed that the stocking density of 3 fish.m-2 was the best treatment.
INTRODUKSI TEKNIK BUDIKDAMBER DAN PENGOLAHAN IKAN ZERO WASTE DI DESA PULAU SEMAMBU INDRALAYA: Tehnik Budikdamber dan Pengolahan Zero Waste Rinto, Rinto; Syaifudin, Mochamad; Taqwa, Ferdinand Hukama; Herpandi, Herpandi; Lestari, Susi; Widiastuti, Indah
Jurnal Pengabdian Kepada Masyarakat Sakai Sambayan Vol. 5 No. 3 (2021)
Publisher : Lembaga Penelitian dan Pengabdian Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jss.v5i3.283

Abstract

Adanya kasus pandemi COVID-19 menyebabkan berkurangnya pendapatan masyarakat Desa Pulao Semambu. Hal ini disebabkan oleh dua faktor yaitu pertama terhentinya berbagai agenda wisata yang dilakukan di Desa Pulau Semambu yang berimbas pada tidak adanya wisatawan yang membeli hasil panen, serta kedua, meskipun masyarakat masih tetap dapat menjual hasil pertaniannya di Pasar Indralaya, namun pandemi COVID-19 juga menyebabkan daya beli masyarakat menurun. Kebijakan pemerintah untuk work from home (WFH) berimbas pada tutupnya sebagian besar rumah makan yang berada di dalam dan di sekitar Universitas Sriwijaya, dikarenakan tidak adanya mahasiswa yang aktif hadir secara langsung sehingga kebutuhan akan sayuran dari Desa Pulau Semambu menjadi menurun. Tujuan kegiatan ini adalah memberikan informasi teknologi berupa budidaya ikan dengan memanfaatkan ruang pekarangan yang terbatas berupa Teknik budidaya ikan dalam ember (BUDIKDAMBER) serta pengolahan ikan berbasis zero waste. Kesimpulan dari kegiatan ini adalah tema kegiatan pengabdian tehnik budikdamber dan pengolahan ikan berbasis zero waste diterima dengan baik oleh masyarakat Desa Pulau Semambu, aktivitas diskusi dan tanya jawab yang berlangsung seru dan menarik. Paket bantuan berupa 5 unit budikdamber dan 5 unit hand sealer sangat bermanfaat untuk pemanfaatan teknologi secara langsung dari materi yang disampaikan dan diharapkan dapat memacu masyarakat untuk dapat mengaplikasikan ilmu/teknologi yang diperoleh.
Assessing the Characteristic of Bands Combination in Log Ratio Change Detection Using SAR Imagery Hartanto, Agus Dwi; Setyawan, Dwi; Taqwa, Ferdinand Hukama
Sriwijaya Journal of Environment Vol 10, No 3 (2025): ENVIRONMENTAL ENGINEERING
Publisher : Program Pascasarjana Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Log ratio is one of the change detection techniques often used in SAR image-based flood inundation analysis where the differences in characteristics between its polarizations are expected to complement each other and provide optimal predictions. This research aimed to identify the characteristics of the output generated from various potential combinations utilizing log ratio change detection. The study utilized Sentinel-1 GRD IW dual polarization mode before and during the flood event  as its main datasource. Briefly, the data processing consists of preprocessing, collocation, and change detection, which were subsequently followed by analysis and evaluation. The analysis results indicated a highly significant difference in characteristics among the four outputs of log ratio change, where the combinations of VH1/VH2 and VV1/VV2 detected much smaller changes compared to the combinations of VV1/VH2 and VH1/VV2. The VV1/VH2 combination acts as a counterpoint to the VH1/VV2 combination, as the changes identified in VV1/VH2 showed a tendency towards positive values, whereas the opposite is true for VH1/VV2. The evaluation results show that the highest frequency of errors in detecting changes sequentially was observed in the combinations of VH1/VV2, VV1/VH2, VV1/VV2, and VH1/VH2.
Co-Authors Abdul Karim Gaffar Ade Dwi Sasanti Ade Dwi Sasanti Adias Praja Afriansyah, Azmi Andini, Andini Anita Desiani Aris Susanto Arnando, Edo Bambang Priyo Utomo Bosman, Ofan Dade Jubaedah Dade Jubaedah Danang Yonarta Daniel Djokosetiyanto Daniel Djokosetiyanto Dwi Anggraini Dwi Setyawan Eddy Supriyono Eka Saputra Elva Susanti Eni Kusrini Erick Extrada Gion Tanbao Suselin Hamdani, Hijral Hartanto, Agus Dwi Herpandi . Hervy Susanto I. S. Yulian Indah Widiastuti Indah Widiastuti Juniarti, Hanifa Khadiful Haramain Langgeng Priyanto, Langgeng Lopez, Jennifer Patrick M Syaifudin Madyasta Anggana Rarassari Madyasta Anggana Rarassari Marini Wijayanti Marsi Marsi Marsi Marsi Marsi Marsi Menik Sri Rejeki Mia Setiawati Mirna Fitrani Mirna Fitrani Mirna Fitrani Mirna Fitrani Mirna Fitrani Mochamad Syaifudin, Mochamad Mohamad Amin muhammad Fery Artha Mukri, Retno Cahya Muslim Muslim Muslim Muslim Muslim Obie Zikri Purwanto, Rudi Rarassari, Madyasta Anggana Raudhatus Sa'adah Resti Amalia Retno Cahya Mukri Retno Cahya Mukti Ridwan Affandi RIDWAN AFFANDI Rinto . Rinto Rinto Riswandi, Agung Rizky Marli Antika Rudi Purwanto S. Haris S.Pd. M Kes I Ketut Sudiana . Sari, Ariani Indah Sefti Heza Dwinanti, Sefti Heza Sri Hartini Sri Muntari SUSI LESTARI Susi Lestari Tanbiyakur Tanbiyaskur Tanbiyaskur Tanbiyaskur Tanbiyaskur, Tanbiyakur Tanbiyaskur, Tanbiyaskur Tatag Budiardi Yonarta, Danang YULISMAN Yulisman Yulisman