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All Journal Jurnal Teknologi Perikanan dan Kelautan Marine Fisheries: Jurnal Teknologi dan Manajemen Perikanan Laut ILMU KELAUTAN: Indonesian Journal of Marine Sciences Jurnal Natur Indonesia Albacore : Jurnal Penelitian Perikanan Laut Indonesian Fisheries Research Journal Jurnal Penelitian Perikanan Indonesia Jurnal Kebijakan Perikanan Indonesia Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan

Muhammad Fedi Alfiadi Sondita

Departemen Pemanfaatan Sumberdaya Perikanan, Fakultas Perikanan Dan Ilmu Kelautan – IPB University, Kampus IPB Darmaga, Bogor 16680 - INDONESIA

Author-ID : 3938372

Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Earth & Planetary Sciences Education Engineering Environmental Science Library & Information Science

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Pemanfaatan Data Biologi Ikan Cakalang (Katsuwonus pelamis) dalam Rangka Pengelolaan Perikanan Bertanggung Jawab di Perairan Teluk Bone Jamal, Muhammad; Sondita, Muhammad Fedi Alfiadi; Haluan, John; Wiryawan, Budy
Jurnal Natur Indonesia Vol 14, No 1 (2011)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Riau

The Bone Bay is part of Fisheries Management Zone WPPI 713 that covers Makassar strait, Flores sea and Bali sea. To such vast marinearea, fisheries management can be started from smaller region, e.g. embayment waters. Biological characteristics of skipjack tuna (Katsuwonuspelamis) are some of important information for developing fisheries management in the area. This research was aimed to determine length-weight relationship, size composititon, growth pattern and biologically feasible size of the fish. Data were obtained from fish caught byfisherman from Januari to December 2007. The bay was divided into three study areas, i.e. Northern, Centre and Southern Zones. The bcoefficients for length-weight relationship in the three zones were equal 3 [not significant]. The average fork-length (FL) in each zoneshowed similar trends: increased from January to June, then stabilized until December. Using von Bertalanffy’s growth model, the maximumFL (L ∞ of 759.75 mm is estimated for fish at age of 84 months. The length at first maturity of the fish is 465 mm (FL).

STATUS PEMANFAATAN LOBSTER MUTIARA (Panulirus ornatus) DI PERAIRAN PANTAI AYAH KABUPATEN KEBUMEN Elvanri Anggi Widianti; Prihatin Ika Wahyuningrum; Tri Wiji Nurani; Muhammad Fedi Alfiadi Sondita; Fis Purwangka
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.v12i2.39802

Sustainability is one of the essential issues in utilizing lobster in the coastal waters of Ayah, Kebumen Regency. Its management requires information on growth parameters and the utilization status of lobster. This study examines the growth parameters and utilization status of ornate spiny lobster (Panulirus ornatus) in the Ayahâ€™s water. The study was conducted from November 2020 to January 2021. Lobster growth parameters were analyzed by distribution frequency of carapace length using the ELEFAN I method. Utilization status was estimated using spawning ratio based on carapace length data (LB-SPR). The results showed that the growth rate of males and females lobster was 0.37/year and 0.32/year, respectively. In addition, the asymptotic length was 145.70 mm in male lobsters and 143.33 mm in female lobsters. The exploitation rate is 0.41-0.48. The estimated spawning ratio is 29.59%, which means that it is still sustainable and below the optimum point.

SUHU PERMUKAAN LAUT DAN KEDALAMAN TERTANGKAPNYA TUNA OLEH KAPAL PANCING ULUR YANG DILENGKAPI LAMPU Rama Agus Mulyadi; Muhammad Fedi Alfiadi Sondita; Roza Yusfiandayani
Jurnal Teknologi Perikanan dan Kelautan Vol 8 No 2 (2017): NOVEMBER 2017
Publisher : Fakultas Perikanan dan Ilmu Kelautan

The movements and abundance of tuna are strongly influenced by the temperature and water depth. Bungus-based fishermen catch bigeye tuna (BET, Thunnus obesus) and yellowfin tuna (YFT, Thunnus albacares) using handlines operated on light-equipped fishing boats. Purpose of the research : (1) to measure the sea surface temperature (SST) and swimming layer bigeye tuna (BET) and yellowfin tuna (YFT) around Mentawai Island, (2) to identification the effect of light on the vertical distribution, and (3) to determine length of hookline the best catch tuna. Based on the length of the line and configuration of line, weight, hooks and live-squid baits, their hooks were at 45, 53, 60, and 68 meters below sea surface. A total of 8 YFT were caught at 45, 53 and 60 m depths; their total weight was 354 kg. One BET of 45 kg was caught at 60 m depth. This study confirmes that these large-sized tunas were caught at a swimming layer of 15-60 m depth. The sea surface temperature (SST) in the fishing ground around Mentawai Island was 28.9 oC in average where fishermen successfuly caught a total of 15 tunas consisting of 3 BETs and 12 YFT. Adult tuna were caught mostly at 23-60 m depth while the juveniles were caught at 15-45 m. This research indicated an effect of light on increasing the position of adult tuna swimming layer. Handline with line of 53 m is the best gear for catching adult tuna in the area.

STUDIES ON CAPTURE PROCESS AND FISH BEHAVIOUR TOWARDS MILLENNIUM GILL NET IN BONDET WATERS, CIREBON Carolina Catur Rakhmadevi; Ari Purbayanto; Muhammad Fedi Alfiadi Sondita
Indonesian Fisheries Research Journal Vol 14, No 1 (2008): (June 2008)
Publisher : Research Center for Fisheries

The millennium gill net was recently adopted by Cirebon fishermen. lts use has been spread to other areas. Research on this type of gear has been rare. The objectives of this research were to investigate the effects of transparency on the fish behaviour towards net panel of millennium gill net and to obtain the information on catch composition and the capture process of millennium gill net.

ESTIMASI KEDALAMAN MATA PANCING TUNA LONGLINE DI SAMUDERA HINDIA: METODE YOSHIHARA DAN MINILOG Budi Nugraha; Ronny Irawan Wahju; Muhammad Fedi Alfiadi Sondita; Zulkarnain Zulkarnain
Jurnal Penelitian Perikanan Indonesia Vol 16, No 3 (2010): (September 2010)
Publisher : Pusat Riset Perikanan, BRSDM KP.

Penyebaran tuna secara vertikal (berdasarkan atas kedalaman perairan) sangat dipengaruhi oleh suhu dan swimming layer. Informasi mengenai penyebaran tuna baik secara horisontal maupun vertikal sangat penting guna menunjang keberhasilan operasi penangkapan tuna. Penelitian mengenai kedalaman mata pancing tuna longline telah dilakukan di Samudera Hindia pada bulan Juli sampai Agustus 2005. Data kedalaman mata pancing diestimasi dengan menggunakan metode Yoshihara dan hasil pengukuran minilog. Tujuan dari penelitian ini adalah untuk mengestimasi kedalaman mata pancing tuna longline dengan menggunakan metode Yoshihara dan minilog dan membandingkan perhitungan kedua metode tersebut serta mengetahui kedalaman renang tuna. Hasil perhitungan metode Yoshihara diperoleh kedalaman mata pancing terdalam diperoleh pada setting kesembilan pada pancing nomor 10 yaitu 359,1-379,1 m dan kedalaman terendah terdapat pada pancing nomor 1 setting kedelapan dan 10 yaitu 101,1 121,1 m. Kedalaman pancing terdalam yang diperoleh dari hasil pengukuran minilog terdapat pada pancing nomor 10 yaitu 339,8 414,6 m dengan suhu 9,2-11,7°C, sedangkan kedalaman pancing terendah terdapat pada pancing nomor 1 yaitu 110,3-151,1 m dengan suhu 20,6-25,4°C. Selisih kedalaman mata pancing yang terendah antara hasil perhitungan metode Yoshihara dengan minilog terdapat pada pancing nomor 2 yaitu 8,0 m, sedangkan selisih yang tertinggi terdapat pada pancing nomor 7 yaitu 81,8 m. Bigeye tuna tertangkap pada kedalaman 250-450 m dengan suhu 9-16°C, yellowfin tuna tertangkap sekitar kedalaman 200 m dengan suhu sekitar 17°C dan albacore tertangkap sekitar kedalaman 150 m dengan suhu sekitar 20°C. Vertical tuna distribution (based on depth of water) is strongly influenced by temperature and swimming layer. Information on the distribution of tuna either horizontally or vertically is very important to the success of tuna fishing operations. Research on deep tuna longline was carried out in Indian Ocean during July until August 2005. The data of hook depth was estimated using Yoshihara’s method and result of measurement minilog. The objectives of the research are to estimate depth of hook on operation of tuna longline using by Yoshihara method and minilog and to compare the calculation Yoshihara method with the result of measurement minilog also to know the swimming layer of tuna. Yoshihara method of calculation results obtained by the depth of the deepest hook is 359.1-379.1 m and the lowest depth is 101.1-121.1 m. The deepest hook obtained from the minilog measurement results is 339.8-414.6 m with temperature range from 9.2-11.7°C, while the lowest depth there is in 110.3-151.1 m with temperature range 20.6-25.4°C. Difference between hook depth of the lowest among the results of the calculation Yoshihara methods and minilog is 8.0 m, whereas the highest difference is 81.8 m. Bigeye tuna caught at depths of 250-450 m with range temperature of 9-16°C, yellowfin tuna caught around depth of 200 m with temperature around 17°C and albacore caught around depth of 150 m with temperature around 20°C.

POLA SPASIAL DAN TEMPORAL KEGIATAN PENANGKAPAN RAJUNGAN NELAYAN BETAHWALANG KABUPATEN DEMAK Lana Izzul Azkia; Muhammad Fedi Alfiadi Sondita; Eko Sri Wiyono
Jurnal Penelitian Perikanan Indonesia Vol 25, No 2 (2019): (Juni) 2019
Publisher : Pusat Riset Perikanan, BRSDM KP.

Desa Betahwalang merupakan sebuah sentra pendaratan rajungan yang terletak di pesisir Kabupaten Demak Jawa Tengah. Kegiatan penangkapan rajungan adalah mata pencaharian utama nelayan Betahwalang. Lokasi dan waktu pengoperasian alat penangkapan ikan menentukan besar biaya operasional dan kualitas rajungan. Ketersediaan data dan informasi secara spasial dan temporal adalah faktor keberhasilan dalam kegiatan penangkapan dan sejauh ini belum tersedia secara rinci. Penelitian ini bertujuan mengkaji lokasi dan waktu penangkapan rajungan oleh nelayan Betahwalang dalam dua musim, yaitu musim angin barat (musim hujan) dan musim angin timur (musim kemarau). Data diperoleh dari wawancara terhadap 30 responden per jenis alat tangkap (bubu, arad, dan jaring insang dasar). Informasi tentang lokasi dan waktu penangkapan rajungan diplot langsung pada sebuah peta grid berukuran 1 km x 1 km. Selanjutnya, informasi dari peta tersebut dipindahkan ke peta grid berukuran 10 km x 10 km. Lokasi penangkapan dominan nelayan bubu di perairan sekitar bagian barat Betahwalang (zona E5) pada musim angin barat dan di perairan sekitar bagian utara Semarang (zona F6) pada musim angin timur, sementara lokasi penangkapan dominan nelayan arad adalah perairan sekitar bagian utara Semarang (zona F6) baik pada musim angin barat maupun timur; untuk lokasi penangkapan dominan nelayan jaring insang dasar pada musim angin barat adalah perairan sekitar bagian barat Betahwalang (zona G5) dan perairan sekitar bagian utara Semarang (zona F6) pada musim angin timur.Betahwalang is center of blue swimming crab (BSC) landing place in coastal area of Demak, Central java. BSC fishing is the main livelihood of betahwalang fishing community. The fishing area and fishing time determine the operational cost and BSC quality. The availability of data and information on spatial and temporal is successful factors in BSC fishing bussiness and these were not available yet. This study aimed to assess BSC fishing area and fishing time of Betahwalang fisher in two seasons, i.e westerly monsoon wind (wet season) and easterly monsoon wind (dry season). Data were collected through interview to 30 respondent for each type of fishing fleet (traps, mini trawl and bottom gill net). Information on fishing area and fishing time was plotted on the grid map 1 km x 1 km, then transferred to a grid map 10 km x 10 km. The result showed that the major fishing area of collapsible trap on the west monsoon around western of Betahwalang waters (zone E5), while during east monsoon they operated around northern of Semarang (zone F6). The major fishing area of mini trawl during west and east monsoon was on the waters around northern of Semarang (zone F6). The major fishing area of bottom gillnet on the west monsoon was around western of Betahwalang (zone G5), while east monsoon around northern of Semarang (zone F6).

KLASIFIKASI SENTRA INDUSTRI PERIKANAN BERBASIS PELABUHAN PERIKANAN: KASUS DI KABUPATEN BELITUNG Marwan Syaukani; Muhammad Fedi Alfiadi Sondita; Daniel Monintja; Akhmad Fauzi; Victor Petrus Hiliary Nikijuluw
Jurnal Kebijakan Perikanan Indonesia Vol 2, No 1 (2010): (Mei 2010)
Publisher : Pusat Riset Perikanan

Klasifikasi pelabuhan perikanan Indonesia yang terdiri atas PelabuhanPerikanan Samudera, Pelabuhan Perikanan Nusantara, Pelabuhan PerikananPantai, dan Pusat Pendaratan Ikan. Klasifikasi tersebut di atas didasari hubungan inti plasma di mana pelabuhan perikanan yang besar ditunjang beberapa pelabuhan perikanan yang lebih kecil (Direktorat Jenderal Perikanan Tangkap, 2008). Hubungan inti plasma tersebut tidak berjalan karena tidak mempunyai pola hubungan yang jelas. Oleh sebab itu diperlukan alternatif klasifikasi pelabuhan perikanan dengan memasukan unsur jaringan industri seperti yang diusulkan oleh Israel & Rouqe (2000) yang mengklasifikasikan pelabuhan perikanan menjadi tiga yaitu penyedia jasa utama, penyedia jasa antara (server), dan client. Penelitian ini bertujuan menentukan klasifikasi sentra industri perikanan berbasis pelabuhan perikanan dalam jaringan industri yang efektifdan efisien dilakukan di Kabupaten Belitung selama 11 bulan sejak Oktober 2007 sampai Agustus 2008. Metode yang dipergunakan adalah multi criteria analysis yang dilanjutkan dengan analisis technique for order preference by similarity to ideal solution. Parameter yang diukur meliputi infrastruktur pelabuhan perikanan, kapasitas kapal perikanan, kemandirian faktor input, dan produksi. Hasil penelitian menunjukan bahwa Pulau Belitung berperan sebagai penyedia jasa utama, Pulau Mendanau, dan Pulau Seliu berperan sebagai penyedia jasa antara (server), dan Pulau Gersik dan Pulau Sumedang berperan sebagai client.Klasifikasi pelabuhan perikanan dalam suatu jaringan industri berimplikasi pada peningkatan efektivitas dan efisiensi pembangunan pelabuhan perikanan tangkap sebagai sentra industri perikanan tangkap.Indonesian government classify fishing port into 4 categories namely Ocean Fishing Port, National Fishing Port, Sea Shore Fishing Port, and Fish Landing Fishing Port. The above classification based on partnership or lingkage industry among fishing ports. However, the lingkage industry do not run effectively due to unappropriate pattern. Improving the condition, Israel & Roque (2000) suggested to classify fishing port into 3 categories namely main service provider, intermediate service provider or server, and client. This paper describes an alternative formula that considers industrial linkage among fishing ports as fishing industrial centers. The research was held on Belitung Regency as long as 11 months from October 2007 to August 2008. There are several factors should be considered in building fishing port namely fishing facilities, fishing capacity, input dependency and fish landing capacity. The 4 factors are analyzed by multi criteria analysis then continued by technique for order preference by similarity to ideal solution analysis. The research concludes that the Belitung is as the main service provider, the Mendanau Island and Seliu Islands are as the intermediate service provider or server, the other 2 islands are as the client. The new classification will increase effectiveness and efficiency of fishing port developments.

PERFORMA RENANG IKAN BAWAL (Colossoma macropomum) PADA SUHU AIR YANG BERBEDA Wazir Mawardi; Novita Virlydianty; Muhammad Fedi Alfiadi Sondita; Fis Purwangka
ALBACORE Jurnal Penelitian Perikanan Laut Vol. 4 No. 2 (2020): Albacore
Publisher : Departemen PSP IPB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/core.4.2.183-190

Tingkah laku ikan sangat diperlukan dalam perikanan tangkap karena dapat dijadikan dasar dalam menilai dan mengembangkan metode penangkapan ikan dan alat penangkapan ikan. Salah satu faktor yang mempengaruhi tingkah laku ikan adalah suhu perairan. Penelitian ini dilakukan untuk mengetahui tingkah laku ikan, khususnya ketahanan renang ikan bawal pada suhu yang berbeda. Penelitian dilaksanakan pada bulan Januari-Agustus 2019 di laboratorium tingkah laku ikan Departemen Pemanfaatan Sumberdaya Perikanan, Fakultas Perikanan dan Ilmu Kelautan, Institut Pertanian Bogor. Peralatan yang digunakan dalam penelitian ini akuarium, flume tank, alat tulis, stopwatch, flash disk, kamera, tripod, scoopnet, chiller, heater, pH meter, termometer, timbangan, meteran. Jenis data yang dikumpulkan dalam penelitian ini adalah kecepatan dan ketahanan renang ikan pada air dengan suhu 20°C, 27°C dan 35°C. Penelitian eksperimen diterapkan untuk melihat pengaruh suhu air terhadap ketahanan renang ikan bawal (Colossoma macropomum). Peningkatan frekuensi kibasan sirip ekor ketika ikan berenang pada air bersuhu lebih tinggi diperkirakan tidak terlalu efektif dalam meningkatkan kecepatan renang. Ketahanan renang ikan ketika berenang pada kecepatan 2-3 BL/s menurun dengan adanya peningkatan suhu. Kata kunci: ikan bawal, kecepatan renang, ketahanan renang, suhu air

STRATEGI PENGEMBANGAN PEMANTAUAN KUOTA PENANGKAPAN IKAN UNTUK SUATU WILAYAH PENGELOLAAN PERIKANAN DI INDONESIA Muhammad Fedi Alfiadi Sondita; Nida Mardhiyah Ramdhani; Tri Wiji Nurani
Marine Fisheries : Journal of Marine Fisheries Technology and Management Vol. 13 No. 1 (2022): 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.v13i1.36354

Catch quota would be less effective to control fishing activities if fish production is not monitored properly. Limited support and participation of business players in fish monitoring program are contributing factors to the unreliability of fisheries statistics in many places, including Indonesia. To address this challenge, Indonesia fisheries managers may consider experiences of some fisheries management bodies with advanced monitoring system. This study analyzed the process of establishment of a monitoring system developed by Commission for the Conservation of Southern Bluefin Tuna (CCSBT) to direct each affiliated country to monitor its catch quota. The study was conducted in June-November 2020 by conducting interviews and literature review. CCSBT implements a monitoring system called the catch documentation scheme (CDS) to record the captured/cultured/traded southern bluefin tuna (SBT). Its development started from discussions to solve data insufficiency for SBT stock assessment. These discussions promoted engagement of its affiliated countries, business players and fisheries experts. CCSBT is successful in building the capacity of some affiliate countries which implement the CDS under supervision of CCSBT. Such process was effective in building compliance of business players in the affiliate countries. In preparation of new fisheries management regime, Ministry of Marine Affairs and Fisheries may consider adapting this process by positioning CCSBT as a Fisheries Management Authority and affiliate members as provincial fisheries management bodies. Based on the CCSBT's experience, advocacy in public awareness on fisheries crisis and provision of preliminary data are two priority strategies in bringing stakeholders to build an effective fish monitoring program.

Estimation of Plastic and Other Waste Disposed of by Longline and Gillnet Fleets Operating from Cilacap Berri Miraz Kholipah Rahman; Wazir Mawardi; Muhammad Fedi Alfiadi Sondita; Craig Proctor
ILMU KELAUTAN: Indonesian Journal of Marine Sciences Vol 27, No 2 (2022): Ilmu Kelautan
Publisher : Marine Science Department Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ik.ijms.27.2.141-150

Tuna-fishing boats based at the Cilacap Oceanic Fishing Port are potential contributors to marine debris in the Indian Ocean. Without a quantitative assessment of the types and amount of debris, port management cannot develop a strategy to address this problem. This study estimated the quantities of plastics and cartons disposed of by these fisheries in the Indian Ocean. Data were collected through observations and interviews with boat managers/owners or fishermen in the port, from August to November 2019, to evaluate the boat supplies loaded on board in the port and the waste returned to the port. The marine disposal per fishing trip (the difference between the quantity of supplies taken to sea and the quantity of waste returned to port) was calculated for 89 trips of gillnet and longline boats, for a size range of 20 to 90 GT. There was no at-sea disposal of used engine oil, rice plastic sacks, styrofoam boxes, nor plastic gallon bottles. Other plastics and cartons from consumable packaging were disposed of at sea. The estimates of the plastic waste disposed were 0.8-4.4 kg.boat-1.trip-1 or 2,143-12,024 pieces.boat-1.trip-1 while the estimates of the cartons disposed were 3.5-19.4 kg.boat-1.trip-1 or 203-1,140 pieces.boat-1.trip-1. The study concluded that fishers could easily keep the waste onboard for disposal on return to port. In addition, port management should initiate a system in which the amounts of waste returned to boats returning to port are considered in granting future port clearance to those boats.

Co-Authors Akhmad Fauzi Am Azbas Taurusman Ari Purbayanto Berri Miraz Kholipah Rahman Budhi Hascaryo Iskandar Budi Nugraha Budy Wiryawan Carolina Catur Rakhmadevi Cindy Septiany Huda Craig Proctor Daniel Monintja Darmawan Domu Simbolon Eko Sri Wiyono Elvanri Anggi Widianti Fardilah, Muhammad Fajar Fajri Fis Purwangka Ilham Fajri Inda Mardhatillah John Haluan Julia Eka Astarini Lana Izzul Azkia, Lana Izzul Laoda, Aryadiansyah Dwi Putra A Marwan Syaukani Muhammad Aris Muhammad Jamal Mulyono Sumitro Baskoro Nida Mardhiyah Ramdhani Novita Virlydianty Nurwijayanti Prihatin Ika Wahyuningrum Putra, Ahmad Habibi Putra, Demo Buana Rama Agus Mulyadi Retno Muninggar Ronny I. Wahju Roza Yusfiandayani Rumbino, Viceriani Siampa Salsabila, Umiralaska Sulaeman Martasuganda T. Ersti Yulika Sari Tri Wiji Nurani Victor Petrus Hiliary Nikijuluw Vita Rumanti Kurniawati Wazir Mawardi Widianti, Elvanri Anggi Zainal Wassahua Zulkarnain Zulkarnain Zulkarnain

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