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All Journal Buletin PSP Jurnal Teknologi Perikanan dan Kelautan Jurnal Ilmu dan Teknologi Kelautan Tropis Indonesian Journal of Electronics and Instrumentation Systems Maspari Journal ILMU KELAUTAN: Indonesian Journal of Marine Sciences Waste Technology Maspari Journal Jurnal Ilmu Kelautan Spermonde Jurnal Kelautan Tropis Aceh Journal of Animal Science Jurnal Teknologi dan Sistem Komputer Journal of Applied Geospatial Information Omni-Akuatika JURNAL ILMIAH GEOMATIKA JURNAL INTEGRASI Jurnal Penelitian Perikanan Indonesia Jurnal Kelautan Nasional Jurnal Penginderaan Jauh dan Pengolahan Data Citra Digital PELAGICUS: Jurnal IPTEK Terapan Perikanan dan Kelautan Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan Jurnal Perikanan Jurnal Penginderaan Jauh dan Pengolahan Data Citra Digital SNTE

Hestirianoto, Totok

Departemen Ilmu Dan Teknologi Kelautan, Fakultas Perikanan Dan Ilmu Kelautan, Institut Pertanian Bogor, Jalan Agatis, Kampus IPB Dramaga, Bogor 16680, Indonesia

Author-ID : 2477562

Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Engineering Environmental Science Immunology & microbiology Library & Information Science Mathematics Mechanical Engineering Physics Other

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Design Of Website-Based Height Waves Information System Muhamad Rakif Panguale; Indra Jaya; Totok Hestirianoto
Journal of Applied Geospatial Information Vol 3 No 2 (2019): Journal of Applied Geospatial Information (JAGI)
Publisher : Politeknik Negeri Batam

One of the environmental parameters that need to be monitored is ocean waves. Waves that occur at sea have random, dynamic, and complex movements. Height measurements and wave periods are difficult to formulate accurate and simplification is needed through mathematical equations in the form of sinusoidal. Therefore, the marine information system is very important for data storage media, data processing, and visualization of measurement data so that it is monitored in real-time. This research was made to build a website-based coastal wave height monitoring information system for wave height data display data from the measurement of the wave buoy instrument. This research was conducted by utilizing data from a wave height measuring instrument that was transmitted to an online database. Wave height data is displayed in the form of real-time data, real-time graphs with data sampling of 30 minutes, average data for one day, and average data for one month. Keywords: Wave height, system information, real-time

Measurement and Analysis of Target Strength of Tiger Grouper Fish (Epinephelus fuscoguttatus) Using Acoustic Methods in Lancang Island Seawater Agustina Sartika Yos Ekaristi Manik; Henry Munandar Manik; Totok Hestirianoto
Journal of Applied Geospatial Information Vol 6 No 1 (2022): Journal of Applied Geospatial Information (JAGI)
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jagi.v6i1.3979

Coral fish are organisms with the largest amount of biomass and are also large organisms that can be found in coral reef ecosystems. The tendency of coral fish is that they do not move around and are always in a certain area and are very relocated although still many (Nybakken, 1988). The coral fish that are often found on the island of Lancang is the Tiger Grouper fish (Epinepheus fuscoguttatus). Grouper fish have a high economic value if fishermen do good cultivation on this Lancang island. The method used was mobile and controlled hydroacoustics, located in Pulu Lancang Thousand Islands. The instruments used are SIMRAD EK 15. The number of samples measured as many as 3 heads with a total length ranging from 21,70 cm to 42,50 cm and has the total weight of the three fish of 186,9 gr to 640 gr with a recording time of 5 minutes was done at the Dock and Floating Net Cage. The sounding results of tiger grouper were then analyzed using Echoview 4.0 and microsoft excel. The results of the analysis showed the average TS value in 3 tiger groupers whose total length ranged from -34,77 dB to -32,37 dB and the longer the total length of the fish, the greater the TS value.

PERBANDINGAN ANTARA MARINE ACOUSTIC REMOTE SENSING DAN SWEPT AREA TRAWL DALAM PENDUGAAN DENSITAS IKAN DEMERSAL DI PERAIRAN TARAKAN (COMPARISON BETWEEN MARINE ACOUSTIC REMOTE SENSING AND TRAWL SWEPT AREA ON ESTIMATION OF DEMERSAL FISH DENSITY IN TARAKAN WATERS) Domu Simbolon; Asep Priatna; Totok Hestirianoto; Ari Purbayanto
Jurnal Penginderaan Jauh dan Pengolahan Data Citra Digital Vol. 12 No. 2 Desember 2015
Publisher : Indonesian National Institute of Aeronautics and Space (LAPAN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (997.279 KB)

Penggunaan survei hidroakustik yang simultan dengan swept area trawl diharapkan akan saling melengkapi dan meningkatkan akurasi dalam estimasi stok sumberdaya ikan, khususnya ikan demersal. Dengan demikian, kelebihan maupun kelemahan masing-masing metode tersebut akan dapat diungkapkan. Tujuan penelitian ini adalah untuk membandingkan densitas ikan demersal dari pendeteksian survei hidroakustik terhadap tangkapan trawl dasar, dan menentukan faktor-faktor yang mempengaruhi perbedaan estimasi densitas ikan demersal dari metode swept area dan akustik. Penelitian dilakukan pada bulan Mei, Agustus dan November 2012 di sekitar perairan Tarakan-Kalimantan Utara, menggunakan Echosounder Simrad EY60-120 kHz dan trawl dasar yang dioperasikan secara simultan untuk mengukur densitas ikan demersal. Estimasi densitas ikan demersal yang dihasilkan antar kedua metode menunjukkan perbedaan yang sangat signifikan. Perbedaan hasil estimasi tersebut dipengaruhi oleh catchabilit, area dead zone trawl, dan tingkah laku ikan.Kata kunci: Akustik, Densitas, Ikan demersal, Swept area, Trawl, Tarakan

KEMAMPUAN TANGKAP JARING TRAWL TERHADAP IKAN DEMERSAL DI PERAIRAN TARAKAN DAN SEKITARNYA Asep Priatna; Ari Purbayanto; Domu Simbolon; Totok Hestirianoto
Jurnal Penelitian Perikanan Indonesia Vol 20, No 1 (2014): (Maret 2014)
Publisher : Pusat Riset Perikanan, BRSDM KP.

Estimasi potensi sumber daya ikan merupakan informasi penting untuk pengembangan usaha perikanan tangkap. Pada saat ini estimasi potensi sumber daya ikan demersal umumnya dihitung dengan mererapkan metode swept area dengan alat jaring trawl dasar. Permasalahan yang muncul adalah akurasi berapa banyak ikan demersal yang benar-benar tertangkap oleh jaring trawl tersebut. Upaya untuk mengurangi bias dalam estimasi densitas ikan demersal adalah dengan melakukan pengamatan melalui metode akustik yang dilakukan secara bersamaan dengan pengoperasian jaring trawl. Penelitian dilakukan pada periode Mei, Agustus dan November 2012 di perairan Tarakan, Kalimantan Utara dan sekitarnya. Echosounder Simrad EY60-120 kHz dan jaring trawl dasar dengan panjang ris atas 26 meter digunakan untuk mengestimasi densitas ikan demersal. Perbedaan nilai densitas yang dihasilkan oleh kedua metode pendekatan tersebut, menghasilkan koefisien kemampuan tangkap (catchability) jaring trawl sebesar 0,3 sehingga diperkirakan jaring trawl hanya mampu menangkap 30% ikan demersal yang berada di jalur sapuan jaring trawl tersebut. Fish stock estimation is very important information as basis for developing fisheries. Until now, estimation of demersal fish stock is usually used swept area method by using trawl net fishing. However, there was the problem related to accuracy of fish abundant estimation that is how much the demersal fish could be accurately caught by the trawl net. To solve this problem, an approach estimation of dmersal fish stock using acoustic survey conducted simultaneously with demersal trawl fishing. Research activities were conducted on May, August and November 2012 in Tarakan waters, North Kalimantan using echosounder Simrad EY60-120 kHz and bottom trawl net with 26 m headrope. The result show that the catchability coefficient of trawl net estimated 0,3, it means that the trawl net could be able to catch 30% of demersal fish during swept area trawl fishing.

Karakterisasi Pantulan Akustik Karang Menggunakan Echosounder Single Beam Baigo Hamuna; Sri Pujiyati; Totok Hestirianoto
JURNAL INTEGRASI Vol 6 No 2 (2014): Jurnal Integrasi - Oktober 2014
Publisher : Politeknik Negeri Batam

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

The single beam echosounder CruzPro PcFF80 with 200 kHz of frequencies was used for recordings of coral acoustic backscattering. The objectives of this research are to analyze the backscattered signals and to determine the strength and characteristics of coral acoustic backscatters. Data collection was conducted in April 2013 which located in the Seribu Island waters. Acoustics data recording was carried out in Seribu Islands, using single beam echosounder (SBES) CruzPro PcFF80 with operating at 200 and 50 kHz frequencies. An underwater camera was used to validate the acoustic recordings data. The results show that average value of surface backscattering strength (SS) several type of coral at 200 kHz frequency varied between -17.99 dB up -14.65 dB, whereas at 50 kHz frequency varied between -13.33 dB up -9.22 dB. The use of different frequencies will greatly affect the high and low levels of absorption, so that affecting to acoustic backscatter strength.

MIGRASI VERTIKAL ZOOPLANKTON DI LAUT BANDA Domey Moniharapon; Indra Jaya; Henry Manik; Sri Pujiyati; Totok Hestirianoto; Augy Syahailatua
Jurnal Kelautan Nasional Vol 9, No 3 (2014): DESEMBER
Publisher : Pusat Riset Kelautan

Analisis migrasi vertikal zooplankton di Laut Banda telah dilakukan berdasarkan nilai hambur balik akustik yang diperoleh dari pengukuran pada tanggal 21-30 November 2013 menggunakan instrument akustik simrad EK 500 yang dipasang pada Kapal Riset Baruna Jaya VII. Hasil analisis menunjukan migrasi vertikal zooplankton di Laut Banda merupakan fungsi dari waktu dan konsentrasi klorofil. Agregasi zooplankton berada pada lapisan permukaan 0-25 meter untuk setiap waktu pengamatan, bersamaan dengan nilai konsentrasi khorofil yang tinggi yakni mencapai 2,1 mg/m3. Nilai volume hamburan balik akustik rerata pada strata kedalaman 0-25 meter adalah -84,31 dB, pada kedalaman 25-50 meter sebesar -82,02 dB dan pada kedalaman 50-75 meter sebesar -83,9 dB.

DETEKSI SCHOOLING IKAN PELAGIS DENGAN METODE HIDROAKUSTIK DI PERAIRAN TELUK PALU, SULAWESI TENGAH Andi Achmadi; Totok Hestirianoto; Henry M Manik
Jurnal Teknologi Perikanan dan Kelautan Vol 5 No 2 (2014): NOVEMBER 2014
Publisher : Fakultas Perikanan dan Ilmu Kelautan

Yield and catch data obtained from statistic and fisheries commercial data are incomplete and inaccurate. Effort to increase the accurate data and survey method become necessary to estimate the yield potential in Indonesia. The aim of this study was to detect the pelagic schooling (target strength/TS approach) by using hydroacoustic. Those detection were used to describe insitu condition of pelagic fishes in Palu Bay, Central Sulawesi. Result of this study on depth strata, dominant schooling (12 schools) found in 100 to 150 m, then followed by 9 schools in 0 to 50 m and 2 schools in 50 to 100 m. Fish caught in Palu Bay that landed in Labuan Bajo fishing port dominated by large pelagic. Those information were relevant with the TS data. The longest size of skipjack was 74 cm in depth of 142 m. Medium size of the smallest value of 5 cm was in depth 57 m with an average size of 27.80 cm.

ANALISIS DAN KLASIFIKASI SEDIMEN PERMUKAAN DASAR LAUT MENGGUNAKAN SUB-BOTTOM PROFILER Saifur Rohman; Henry M Manik; Totok Hestirianoto; Imam Mudita
Jurnal Teknologi Perikanan dan Kelautan Vol 6 No 1 (2015): MEI 2015
Publisher : Fakultas Perikanan dan Ilmu Kelautan

Peningkatan aktivitas manusia di bidang kelautan seperti operasi pengerukan (dredging), eksplorasi minyak dan gas, penambangan pasir mineral, dan berbagai penelitian kelautan telah mengakibatkan permintaan yang mendesak terhadap peta dasar laut yang akurat. Sub-bottom Profiler (SBP) adalah sistem akustik tradisional yang digunakan untuk menggambarkan lapisan sedimen dan batuan di bawah dasar laut, serta memberikan informasi tentang ketebalan sedimen dan stratigrafinya. Oleh karena itu, tujuan dari penelitian ini yaitu menentukan profil lapisan sedimen dasar laut (near-surface sediment) dan memperoleh nilai koefisien refleksi dari lapisan tersebut. Proses akuisisi data dilakukan menggunakan SBP jenis sparker single channel oleh BPPT, yaitu survei pemeliharaan pipa migas dan kabel listrik Pertaminatahun 2010 yang berada di sebelah timur pantai Balongan, Indramayu. Pengambilan sampel sedimen dasar laut menggunakan gravity corer. Hasil dari pengolahan data mentah SBP dengan Matlab di dekat lokasi B19 diperoleh profil 2D dari lapisan sedimen dimana terlihat jelas dasar laut dan reflektornya serta memiliki nilai koefisien refleksi berkisar 0 hingga 0.2955. Selain itu teknik analitis untuk estimasi parameter sedimen dari data laboratorium ditunjukkan sebagai pembanding. Hasil sedimennya berupa silt/lanau dengan nilai koefisien refleksinya adalah 0.2807.

PENGUKURAN NILAI TARGET STRENGTH DAN ACOUSTIC FISH DENSITY DI PERAIRAN PULAU TIDUNG, KEPULAUAN SERIBU Muhammad Farhan; Henry Munandar Manik; Totok Hestirianoto
Jurnal Teknologi Perikanan dan Kelautan Vol 13 No 2 (2022): NOVEMBER 2022
Publisher : Fakultas Perikanan dan Ilmu Kelautan

Informasi mengenai densitas ikan masih kurang akurat, dikarenakan data yang diperoleh tidak dilakukan pengukuran langsung pada kondisi nyata di perairan. Untuk mengatasi masalah ini, digunakan teknologi hidroakustik berupa echosounder yaitu Single Beam Echosounder (SBES) SIMRAD EK 15 dengan frekuensi 200 kHz. Penelitian ini bertujuan mengkaji dan menginterpretasi hasil pengukuran target strength dan acoustic fish density perairan Pulau Tidung Kepulauan Seribu sehingga diperoleh visualisasi densitas ikan dan mengetahui hubungan target strength, densitas ikan, suhu, dan salinitas. Pengolahan data menggunakan perangkat Sonar 5-Pro, Matlab 2016, dan Minitab 16. Nilai TS di perairan Pulau Tidung yaitu -59,4 dB sampai dengan -34,6 dB. Nilai densitas ikan tertinggi terdapat pada stasiun 3 di kedalaman 12-21 m sebesar 778,1 ind/m3 sedangkan densitas ikan terendah terdapat pada stasiun 6 di kedalaman 2-11 m sebesar 0,3 ind/m3. Suhu dan salinitas memiliki nilai yang bervariasi dengan kisaran nilai 29,6Â°C sampai 31,2Â°C dan 32,2 PSU sampai 33,3 PSU. Hasil analisis PCA nilai TS dan densitas ikan memiliki hubungan yang lebih kuat dengan suhu dibandingkan salinitas.

Classification of KJA Net Conditions Using ROV and Computer Vision Lestari, Nurhaliza Amalia; Jaya, Indra; Rahmat, Ayi; Hestirianoto, Totok
IJEIS (Indonesian Journal of Electronics and Instrumentation Systems) Vol 14, No 1 (2024): April
Publisher : IndoCEISS in colaboration with Universitas Gadjah Mada, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijeis.91891

The development and integration of Remotely operated vehicle (ROV) with computer vision has been carried out and shows excellent performance. All ROV features functions run smoothly and without problems and are able to monitor the condition of nets in floating net cages (KJA) and produce underwater videos. Data collected from ROV are processed, utilizing the YOLOv8 model and showed very positive results in classifying the condition of KJA nets. The model achieves an accuracy level of 1 or 100% differentiate between clean and dirty net. Based on these results, it can be concluded that the YOLOv8 model has excellent performance in recognizing mesh objects with a high level of accuracy. These results provide confidence that this model can be trusted in monitoring the condition of KJA nets.

Co-Authors Acta Withamana Adi Lutfi Hanafi Agustina Sartika Yos Ekaristi Manik Aisyah Aisyah Ali Suman Amron Amron Andi Achmadi Ari Purbayanto Asep Ma'mun Asep Priatna Asep Priatna Augy Syahailatua Ayi Rahmat Baigo Hamuna Chikarista Irfangi DEDI JUSADI Domey Moniharapon Domu Simbolon Dony Apdillah Dwi P. I. Mahdi Dwi Putra Yuwandana Elson, La Faaris, Said M Freddy Supriyadi Freddy Supriyadi Handoko, Dadang Hasan, Rozaimi Che Hawari, Aqil Hendi Santoso Henry Munandar Manik Hidayat, Esa Fajar Husal, Siddiq Husaini Imam Mudita Indra Jaya Indra Jaya Indra Jaya Indra Jaya Indra Jaya Indra Jaya Indra Jaya Karen von Juterzenka Karlisa Priandana Keni Sultan Khairul Amri Kholilullah, Ibrahim Krisna Rendi Awalludin Lansky, Jovian Lestari, Nurhaliza Amalia Mohammad Imron Muhamad Rakif Panguale Muhamad Zainuddin Lubis Muhammad Banda Selamat Muhammad Banda Selamat Muhammad Farhan Muhammad Mujahid Muhammad Z. Lubis Mujizat Kawaroe Mulyono Mulyono Nazzla, Rauzatul Prasetiawan, Agung Prasetiyo, Shidiq Lanang Pratiwi Dwi Wulandari Rabbani, Mochamad Rafif Rahmat, Ayi Rizqi Rizaldi Hidayat RR. Ella Evrita Hestiandari Saifur Rohman Siahaan, Gracia Tiffany Solikin, Steven Sri Pujiyati Sulaeman Martasuganda Suparman Sasmita Syahrin, Win Alfi Syahrul Purnawan Syamsul B. Agus Try Febrianto Vincentius P Siregar Wiliandi Setiawan Yusli Wardiatno Zulfathri Randhi

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