Ilham Ilham
Kementerian Kelautan dan Perikanan

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Monitoring the Performance of Set Longlines Fishing Vessels at Fisheries Management Area 718 Indonesia Yaya Hudaya; Ilham Ilham; Sutriyono Sutriyono; Mohamad Natsir
Marine Fisheries : Journal of Marine Fisheries Technology and Management Vol. 12 No. 2 (2021): Marine Fisheries: Jurnal Teknologi dan Manajemen Perikanan Laut
Publisher : Bogor Agricultural University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jmf.v12i2.37292

Abstract

Abstract Catches reports by set longlines fishing vessels in the 718-fisheries management area (FMA) have been entered into the logbook reporting system since 2012. These vessels targeted reef and demersal fish. Set longlines is considered to be very efficient and productive for catching reef fish. This study aims to see the performance of set longlines vessels. The indicators used are CPUE and fuel efficiency. The results of the study show that the performance of set longlines vessels in the area is getting better and more efficient. Keywords: set longlines; reef fish; CPUE; fuel; efficient Abstrak Laporan hasil tangkapan oleh kapal penangkap rawai dasar di pengelolaan perikanan (WPP) 718 telah dimasukkan ke dalam sistem pelaporan logbook sejak 2012. Kapal-kapal rawai tesebut menargetkan ikan karang dan ikan demersal. Rawai dasar dianggap sebagai alat tangkap yang sangat efisien dan produktif untuk menangkap ikan karang. Penelitian ini bertujuan untuk melihat kinerja kapal rawai dasar. Indikator yang digunakan adalah CPUE dan efisiensi bahan bakar. Hasil penelitian menunjukkan bahwa kinerja kapal longline set di daerah tersebut semakin baik dan efisien. Kata kunci: rawai dasar; ikan karang; CPUE; bahan bakar; efisien
Velocity Components of Currents and Transport Mechanism in the Ie Meulee Waters, Weh Island, Indonesia Ulung Jantama Wisha; Ilham Ilham
Jurnal Kelautan Tropis Vol 22, No 2 (2019): JURNAL KELAUTAN TROPIS
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1317.418 KB) | DOI: 10.14710/jkt.v22i2.5779

Abstract

Weh Island has become an area of significance in which many developments are ongoing. Ie Meulee region was one of the developed areas where a new fishing port has been built which may impact to coastal instability. This study aims to determine the sea currents regime in the Ie Meulee waters and its relation to the transport mechanism. Field survey was conducted on March 2017 by which Tide Gauge and ADCP have installed within and without the port, respectively. Flow model was also simulated depicting current patterns for four extreme tidal conditions. The elliptical form of zonal and meridional components of current proves that the tidal current role takes place. The speed of tidal current ranged from 0-0.42 m/s and 0-0.85 m/s in the bottom and surface, respectively. The most prominent positive value of current components indicates that the transport mechanism is primarily surface ward during both ebb and flood tides. Reflection and diffraction are identified in the simulation testifying that the emergence of the fishing port has changed the hydrodynamic features. We also founded that the low-speed currents induced sediment settling within the jetty, so that it is essential to conduct regular dredging and bathymetry survey in the surrounding port.