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All Journal Marine Fisheries: Jurnal Teknologi dan Manajemen Perikanan Laut Jurnal Kelautan dan Perikanan Terapan (JKPT)
Rauzatul Nazzla
Sustainable Fisheries Center (SUFIC Indonesia)
Agriculture, Biological Sciences & Forestry Environmental Science

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MENENTUKAN SWIMMING LAYER DAN DISTRIBUSI IKAN PELAGIS DI LAUT FLORES BAGIAN BARAT DENGAN DETEKSI AKUSTIK Donwill Panggabean; Rauzatul Nazzla
Marine Fisheries : Journal of Marine Fisheries Technology and Management Vol. 11 No. 2 (2020): 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.v11i2.44046

Abstract

The purpose of this study determined the swimming layer and distribution of pelagic fish in the waters west of the Flores Sea through acoustic detection. Experimental fishing is a method used with two data analyses: 1) analysis of acoustic data at sampling stations with stationery techniques; and 2) analysis of acoustic data along transects between stations. The detection results at stationery 1 showed a very low abundance of pelagic fish, distributed at layer 4 (150-200 m) at night and suspected to be a large pelagic type of tuna with a small amount. The detection results on stationery 2 and stationery 3 are relatively the same, showing a relatively higher abundance compared to stationery 1. Detection results for transects between stations 1-2, 2-3, 3-4, and 4-5 starting from Dewakang waters to east of Takarawataya waters did not detect schooling fish but only single fish. On transects between stations 5-6 very low abundance, the highest mean abundance of 0.5 fish/1000 m3 was detected at layer 4 (150-200 m). On transects between stations 6-7 the abundance was not too high, the highest mean abundance was detected at layer 3 of 10.8 fish/1000 m3. The transect between stations 7-8 is the highest abundance of all transects, the highest abundance average value detected at layer 3 is 20.3 fish/1000 m3. On transects between stations 8-9 the abundance was not too high, schooling tended to be present in all layers, and the highest mean abundance was detected at layer 4 of 1.3 fish/1000 m3. The results of the study concluded that the abundance of pelagic fish in the western Flores Sea is distributed in layers 3 and 4 (100-200 m). Keywords: Acoustic, distribution, pelagic fish, Flores Sea, layer
Estimation of Fishing Ground Based on Distribution of Fishing Vessels and Oceanographic Factors in WPPNRI 573 Donwill Panggabean; Agnes Puspitasari Sudarmo; Kasful Anwar; Jalil Jalil; Rauzatul Nazzla
Jurnal Kelautan dan Perikanan Terapan (JKPT) Vol 6, No 1 (2023): (Juni, 2023)
Publisher : Politeknik Ahli Usaha Perikanan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/jkpt.v6i1.12752

Abstract

Fisheries Management Area of Republic of Indonesia (FMARI) 573 has great potential and needs to be supported by complete and accurate information, especially fishing ground locations so that the fisheries sector can become better. This study aims to estimate the location of the fishing ground in the western of FMARI 573 based on the movement of fishing vessels carrying out fishing operations, as well as sea surface temperature (SST) conditions and chlorophyll-a concentrations. The data used is a 10 year time series of AQUA-MODIS and SNPP-VIIRS satellite images. Analysis of chlorophyll-a and SST using ArcGis, while estimation of fishing ground locations with overlay techniques between ship distribution with SST conditions and chlorophyll-a concentrations. The results showed that the average SST value was relatively higher during Transitional Season I compared to the other three seasons. The average seasonal chlorophyll-a concentration fluctuates, the maximum value occurs in the Western Season and the minimum in the East Season. The concentration and distribution of fishing vessels indicate fishing ground areas in Pangandaran waters and along the coast of Binuangeun waters and Palabuhan Ratu Bay. 
Co-Authors Agnes Puspitasari Sudarmo Donwill Panggabean Jalil Jalil Kasful Anwar