scholarly journals European small pelagic fish distribution under global change scenarios

2020 ◽  
Vol 22 (1) ◽  
pp. 212-225
Author(s):  
Alexandre Schickele ◽  
Eric Goberville ◽  
Boris Leroy ◽  
Gregory Beaugrand ◽  
Tarek Hattab ◽  
...  
Keyword(s):  
Global Change ◽  
Pelagic Fish ◽  
Fish Distribution ◽  
Small Pelagic Fish ◽  
Global Change Scenarios

scholarly journals MINIMALISASI BIAYA DISTRIBUSI INDUSTRI PENGOLAHAN PRODUK PERIKANAN: APLIKASI TRANSPORTASI PROGRAM SOLVER

2017 ◽  
Vol 12 (2) ◽  
pp. 151
Author(s):  
Risna Yusuf ◽  
Yayan Hikmayani
Keyword(s):  
Pelagic Fish ◽  
Fish Distribution ◽  
The Other ◽  
Distribution Problem ◽  
Small Pelagic Fish ◽  
Processing Industry ◽  
Destination Area ◽  
Distribution Cost ◽  
Destination Port ◽  
Efficient Distribution

Masalah pendistribusian suatu komoditas atau produk dari sejumlah sumber ke sejumlah tujuan perlu dilakukan agar biaya pengiriman produk seminimal mungkin. Program solver merupakan salah satu software yang banyak digunakan untuk masalah optimasi misalnya dalam menyelesaikan masalah transportasi. Model transportasi berkaitan dengan penentuan rencana biaya terendah untuk mengirimkan satu barang dari sejumlah sumber pasokan ke sejumlah daerah tujuan yang menjadi sentra industri. Tujuan penelitian ini adalah mengkaji penerapan metode transportasi dengan program solver dalam meminimunkan biaya distribusi ikan yang berasal dari beberapa daerah sentra pasokan ke beberapa daerah yang menjadi sentra industri. Hasil penelitian menunjukkan bahwa efisiensi biaya distribusi yang dikeluarkan dalam mendistribusikan ikan tuna sebesar Rp. 757.983.424 dan efisiensi biaya distribusi yang dikeluarkan dalam menditribusikan ikan pelagis kecil sebesar Rp. 268.012.767. Ikan tuna dari Bitung lebih efisien didistribusikan ke Surabaya, ikan tuna dari Ternate lebih efisien didistribusikan ke Makassar, ikan tuna dari medan lebih efisien ke Surabaya, dan ikan tuna Banyuwangi lebih efisien didistribusikan ke Jakarta dan terakhir ikan tuna dari daerah pasokan lainnya dapat diditribusikan ke Makassar, Surabaya, Jakarta dan daerah tujuannya lainnya. Ikan pelagis dari Bitung lebih efisien ke Makassar, ikan pelagis dari Ternate lebih efisien ke Surabaya, ikan pelagis dari Medan lebih efisien ke Makassar dan Banyuwangi lebih efisien ke Makassar dan Surabaya, dan daerah pasokan lainnya lebih efisien ke Jakarta dan Surabaya. Implikasi penelitian dimana daerah pasokan ikan dapat lebih fokus pada daerah tertentu yang menjadi daerah tujuan mengakibatkan biaya distribusi ikan menjadi lebih efisien dan pasokan ikan di daerah tujuan menjadi lebih stabil. Title: Minimalization Distribution Cost of Fisheries Product Processing Industry: The Application of Transportation in Program SolverSolution to distribution problem of a commodity or product is necessary in order to minimize its distribution cost. Program solver is one of the most widely used software to solve problem related to transportation. Transportation model determines distribution cost of a product from port of origin to port of destination. This research purpose is intending on analyzing the application of program solver in minimizing fish distribution cost from suppliers to industrial centers. The result showed that efficiency distribution cost of tuna was Rp. 757.983.424,- and the efficiency distribution cost of small pelagic fish was Rp. 268.012.767,-. Distribution cost of tuna from Bitung to Surabaya is more efficient, distribution cost of tuna from Ternate to Makassar is more efficient, distribution cost of tuna from Medan to Surabaya is more efficient, distribution cost of tuna from Banyuwangi to Jakarta is more efficient, and distribution cost of tuna from the other ports of origin are more efficient to Makassar, Jakarta, Surabaya and the other ports of destination. Distribution cost of small pelagic fish from Bitung to Makassar is more efficient, distribution cost of small pelagic fish from Ternate to Surabaya is more efficient, distribution cost of small pelagic fish from Medan to Makassar is more efficient, distribution cost of small pelagic fish from Banyuwangi to Makassar and Surabaya is more efficient, and distribution cost of small pelagic fish from the other ports of origin are more efficient to Jakarta and Surabaya. Therefore, fish distribution from port of origin should be focused to a particular destination port in order to get more efficient distribution cost and stable fish supply in the destination area.

scholarly journals PENERAPAN TEKNOLOGI HIDROAKUSTIK UNTUK PENGUKURAN SEBARAN SPASIAL DAN TEMPORAL IKAN PELAGIS KECIL DI LAUT BANDA Application of Hydroacoustic Technology to Measure Spatial and Temporal Distribution of Small Pelagic Density in Banda Sea

2018 ◽  
Vol 9 (1) ◽  
pp. 39
Author(s):  
Henry M. Manik ◽  
Tri Nur Sujatmiko ◽  
Asep Ma’mun ◽  
Asep Priatna
Keyword(s):  
Density Measurement ◽  
Temporal Distribution ◽  
Pelagic Fish ◽  
Fish Distribution ◽  
Spatial And Temporal Distribution ◽  
Acoustic Survey ◽  
Small Pelagic Fish ◽  
Fisheries Resources ◽  
Management Area ◽  
Fisheries Statistics

<p><em>Acoustic </em><em>method can be used to objectively solve various scientific purposes and management, especially in fisheries field. Banda Sea is a part of fisheries management area (FMA) 714 which is dominated by small pelagic fish according to 2010 Fisheries Statistics. The dominant pelagic fish in Banda is scad (Decapterus spp.) which belongs to small pelagic fish and is commonly caught in Banda Sea. The objective of this research is to estimate small pelagic fish density through spatial and temporal distribution as informaion on fisheries resources in Banda Sea, especially the location and depthwhere scad is abundant and foundin the highest density. Acoustic survey was conducted on 3-18 February 2016. Spatially, density measurement showed that the small pelagic fish distribution in Banda Sea spreadedalong the track of data acquisition and had the highest density in theswimming depth of 5</em><em>-20 m.  Moreoverhigh density of scad was tended to be found near the slopes of the sea close to the mainland. Temporally,small pelagic fish tended to travel in groups at the day and disperse at night. Density of small pelagic fish distribution according to daily distribution is commonly found at night (06.00 p.m.-05.00 a.m. GMT+8) and dawn (05.00 a.m.-06.00 a.m. GMT+8).</em> <em></em></p><p><strong><em>Keywords:</em></strong><strong><em> </em></strong><em>Banda Sea, fishdensity, small pelagic fish, spatial, temporal</em><em> </em></p><p align="center"><strong>ABSTRAK</strong></p><p class="Abstrakisi">Metode akustik dapat digunakan untuk mengatasi berbagai tujuan ilmiah dan manajemen secara objektif terutama dibidang perikanan, dan berhasil memberikan manfaat. Laut Banda merupakan bagian dari wilayah pengelolaan perikanan (WPP) 714 dengan sumberdaya ikan didominasi oleh kelompok ikan pelagisberdasarkan data Statistik Perikanan tahun 2010. Jenis ikan pelagis yang dominan di perairan Laut Banda adalah ikan layang (<em>Decapterus </em>spp.) yang termasuk kedalamkelompok ikan pelagis kecil dan banyak dimanfaatkan di Laut Banda. Penelitian ini bertujuan mengestimasi densitas ikan pelagis kecil secara spastial dan temporal sebagai informasi mengenai sumber daya perikanan di Laut Banda terutama lokasi dan kedalaman ikan pelagis kecil yang banyak ditemukan. Survei akustikdilaksanakan pada tanggal 3-18 Februari 2016 di Laut Banda.Perhitungan densitas secara spasial densitas ikan pelagis kecil menunjukkan hasil sebaran ikan pelagis kecil di perairan Laut Banda menyebar sesuai lintasan survei dan memiliki ukuran densitas ikan tertinggi berada di kedalaman renang 5-20 meter dengan densitas ikan cenderung tinggi berada di lereng laut yang dekat dengan daratan utama. Secara temporal, tingkah laku ikan pelagis pada siang hari cenderung membentuk kelompok, sedangkan pada malam hari cenderung menyebar. Sebaran densitas ikan pelagis kecil berdasarkan distribusi harian lebih banyak ditemukan pada waktu malam (18.00-05.00 WITA) dan rembang fajar (05.00-06.00 WITA).</p><strong>Kata kunci:</strong> densitas ikan, ikan pelagis kecil, Laut Banda, spasial, temporal

scholarly journals Modelling European small pelagic fish distribution: Methodological insights

2020 ◽  
Vol 416 ◽  
pp. 108902
Author(s):  
Alexandre Schickele ◽  
Boris Leroy ◽  
Gregory Beaugrand ◽  
Eric Goberville ◽  
Tarek Hattab ◽  
...  
Keyword(s):  
Pelagic Fish ◽  
Fish Distribution ◽  
Small Pelagic Fish

Oceanographic Conditions on Small Pelagic Fishery in the Gulf of Bone Waters

2018 ◽  
Vol 1 (2) ◽  
Author(s):  
Safruddin Safruddin ◽  
Rachmat Hidayat ◽  
Mukti Zainuddin
Keyword(s):  
Chlorophyll A ◽  
Generalized Additive Models ◽  
Pelagic Fish ◽  
Additive Models ◽  
Fish Distribution ◽  
Fishing Ground ◽  
Small Pelagic Fish ◽  
The Relationship ◽  
Pelagic Fishery ◽  
Oceanographic Conditions

This study aimed to investigate the relationship between the dinamic oceanographic condition and fluctuation in the catch of small pelagic fish. Study on the dinamic oceanographic conditions were focused on the sea surface temperature (SST), chlorophyll-a concentration (SSC) and water depth. The study took place in the area of Gulf of Bone located, data collection was started from April to September 2017. The data were collected using experimental fishing metode (large liftnet) and applications of remote sensing in satellite oceanography, which then analysed using Geographic Information System (GIS) dan Generalized Additive Models (GAMs). The result showed that the distribution of small pelagic fish tends to be within the area of temperature ranging from 29.5 to 30.0oC, the chlorophyll-a from 0.7 to 0.9 mg.m-3 and concentrated within the coastal area with in waters depth maximum of 100 m.Keywords: Oceanography, small pelagic fish, distribution, fishing ground, Gulf of Bone

The box-balance model: a new tool to assess fish larval survival, applied to field data on two small pelagic fish

2020 ◽  
Vol 650 ◽  
pp. 289-308 ◽  
Author(s):  
V Raya ◽  
J Salat ◽  
A Sabatés
Keyword(s):  
Field Data ◽  
Fish Larvae ◽  
Larval Growth ◽  
Warming Trend ◽  
Mortality Rates ◽  
Larval Survival ◽  
Pelagic Fish ◽  
Balance Model ◽  
Small Pelagic Fish ◽  
Mesoscale Structures

This work develops a new method, the box-balance model (BBM), to assess the role of hydrodynamic structures in the survival of fish larvae. The BBM was applied in the northwest Mediterranean to field data, on 2 small pelagic fish species whose larvae coexist in summer: Engraulis encrasicolus, a dominant species, and Sardinella aurita, which is expanding northwards in relation to sea warming. The BBM allows one to quantify the contribution of circulation, with significant mesoscale activity, to the survival of fish larvae, clearly separating the effect of transport from biological factors. It is based on comparing the larval abundances at age found in local target areas, associated with the mesoscale structures (boxes), to those predicted by the overall mortality rate of the population in the region. The application of the BBM reveals that dispersion/retention by hydrodynamic structures favours the survival of E. encrasicolus larvae. In addition, since larval growth and mortality rates of the species are required parameters for application of the BBM, we present their estimates for S. aurita in the region for the first time. Although growth and mortality rates found for S. aurita are both higher than for E. encrasicolus, their combined effect confers a lower survival to S. aurita larvae. Thus, although the warming trend in the region would contribute to the expansion of the fast-growing species S. aurita, we can confirm that E. encrasicolus is well established, with a better adapted survival strategy.

Small pelagic fish responses to fine-scale oceanographic conditions: implications for the endangered African penguin

2017 ◽  
Vol 569 ◽  
pp. 187-203 ◽  
Author(s):  
AM McInnes ◽  
PG Ryan ◽  
M Lacerda ◽  
J Deshayes ◽  
WS Goschen ◽  
...  
Keyword(s):  
Pelagic Fish ◽  
Fine Scale ◽  
Small Pelagic Fish ◽  
African Penguin ◽  
Oceanographic Conditions

PEMETAAN RANTAI NILAI IKAN PELAGIS KECIL DI KOTA AMBON

2018 ◽  
Vol 2 (1) ◽  
pp. 15-21
Author(s):  
Yolanda MTN Apituley ◽  
Dionisius Bawole ◽  
Imelda KE Savitri ◽  
Friesland Tuapettel
Keyword(s):  
Value Chain ◽  
Secondary Data ◽  
Pelagic Fish ◽  
Value Chain Analysis ◽  
Small Pelagic Fish ◽  
Fresh Fish ◽  
Chain Analysis ◽  
The Government ◽  
Market Distance ◽  
Role Of The Government

This research was taken in Ambon (Latuhalat and Laha) and in Central Maluku Regency (Waai) in May – July 2018. It was aimed at mapping the value chain of small pelagic fish in Ambon through: 1) mapping of product, financial and information flows and 2). analysis of percentage distribution of small pelagic fish caught. The data used in this study was primary and secondary data, and analyzed by using value chain analysis. The results show that small pelagic fish marketing chain in Ambon consisted of six models with five actors. Each chain is formed due to the conditions and situation of market, resulted by the influencing of catches of fishermen and traders' capital. The broker plays an important role in marketing small pelagic fish in the market and obtaining 10% of the fishermen's catch that can be distributed, both to retailers and cold storage. Fish caught by the fishermen is still fresh in general when arrives in the consumers, because the fishing area is not too far, the market distance with the production centers is also quite close and in general fishermen and traders have understood the importance of maintaining product quality. Even so, the role of the Government in providing marketing facilities and infrastructure is needed so that modern market conditions can be applied in marketing fresh fish in Ambon.

ESTIMATION OF PELAGIC FISH DISTRIBUTION IN INNER BAY WITH MACHINE LEARNING

2019 ◽  
Vol 75 (2) ◽  
pp. I_1129-I_1134
Author(s):  
Takaharu HAMADA ◽  
Tsukasa YOSHIDA ◽  
Hiroshi OKAMURA ◽  
Takeshi HARA ◽  
Teruaki SUZUKI
Keyword(s):  
Machine Learning ◽  
Pelagic Fish ◽  
Fish Distribution
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