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Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology
Published by Universitas Diponegoro
ISSN : 18584748     EISSN : 25490885     DOI : -
Core Subject : Education,
SAINTEK PERIKANAN (p-ISSN: 1858-4748 dan e-ISSN: 2549-0885) adalah jurnal ilmiah perikanan yang diterbitkan oleh Jurusan Perikanan Fakultas Perikanan dan Ilmu Kelautan Universitas Diponegoro. Jurnal ini diterbitkan 2 (dua) kali setahun (Februari dan Agustus).
Arjuna Subject : -
Articles 492 Documents
The Effect of Length of A3-51 Probiotic Supplementation to The Number of Intestine Enterobacteriaceae in Oreochromis niloticus Dewi Desnilasari; Sukanto Sukanto; Agus Irianto
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 2, No 1 (2006): Jurnal Saintek Perikanan
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (47.406 KB) | DOI: 10.14710/ijfst.2.1.22-28

Abstract

The aim of this research was to know the effect of length of A3-51 probiotic  supplementation  to the number   of   intestine   Enterobacteriaceae.   Research   used   experimental   method   using   Completely Randomized  Design  which  was  based  on  4   treatments  i.e.  La  (without  probiotic),  Ll  (probiotic supplementation for 7 days), L2 (probiotic supplementation for 14 days), L3 (probiotic supplementation for 21 days). Each  treatment was repeated 3 times. The result showed that the length period of A3-51 probiotic   supplementation  very   significantly  (P<0,01)  increased  the  intestine   Enterobacteriaceae number. However, in the same time the amount of pathogenic Enterobacteriaceae decreased. In addition, probiotic supplementation improved protein, fat, and carbohydrate digestions.   Key words: Enterobacteriaceae, intestine, probiotic, nutrient digestibility
PENGARUH PENAMBAHAN PGPR (Plant Growth Promoting Rhizobacteria) dan BUAH NANAS(Ananas comosus) TERHADAP SPESIFIKASI PUPUK ORGANIK CAIR RUMPUT LAUT Euchema cottonii (Effect of Adding PGPR (Plant Growth Promoting Rhizobacteria) and Pineapple (Ananas comosus) for Specifications of Organic Liquid Fertilizer Euchema cottonii) Indriyanti Indriyanti; Eko Nurcahya Dewi; Eko Susanto
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 12, No 2 (2017): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (241.71 KB) | DOI: 10.14710/ijfst.12.2.139-145

Abstract

 Euchema cottonii mengandung unsur mikro dan makro nutrien, serta zat pengatur tumbuh tanaman seperti auksin, giberelin, sitokinin, dan etilen sehingga sangat berpotensi sebagai pupuk organik penyubur tanaman. Penambahan buah nanas berfungsi sebagai sumber C, P, dan K pada ekstrak pupuk rumput laut cair. Penelitian ini bertujuan untuk mengetahui pengaruh penambahan bioaktivator PGPR (Plant Growth Promoting Rhizobacteria)dan buah nanas terhadap kandungan C-organik, nitrogen, fosfor, kalium, pH, suhu, bakteri patogen, dan organoleptik warna. Material yang digunakan dalam penelitian ini adalah E. cottonii, PGPR, dan buah nanas.. Rancangan percobaan yang digunakan adalah Rancangan Acak Lengkap (RAL) dengan 4 perlakuan dan 3 ulangan yaitu perlakuan kontrol (A), penambahan PGPR dan  buah nanas 40% (B), penambahan PGPR dan buah nanas 50% (C), dan penambahan PGPR dan  buah nanas 60% (C). Parameter yang diukur adalah C-organik, nitrogen, fosfor, kalium, pH, suhu, bakteri pathogen, dan oraganoleptik warna. Data parametrik dianalisa dengan uji ANOVA. Hasil penelitian menunjukkan bahwa penambahan buah nanas yang berbeda memberikan pengaruh nyata terhadap kadar C-organik, fosfor, dan kalium (p<0,05), sedangkan nilai nitrogen tidak berbeda nyata. Perlakuan penambahan nanas 50% akan meningkatkan kandungan nitrogen dua kali lebih besar dari pada kontrol. Perlakuan terbaik yaitu pada penambahan PGPR dan nanas 60% dengan kandungan C, P, K berturut-turut adalah 7,02%, 3,44%, dan 3,41%. Euchema cottoniicontains elements ofmicroandmacronutrients, andplantgrowth regulatorssuch asauxin, gibberellin, cytokinin, andethyleneso ithasgreat potentialas anorganicfertilizer forfertilisingcrops. Addition A. comosusserves asa source of C, P, and Kin theliquid organic fertilizer. This study aimedtodetermine the effect ofbio-activatorPGPRandA. comosus on the content ofC-organic, nitrogen, phosphorus, potassium, pH, temperature, pathogens, and color. The materialusedin this studywereE.cottonii, PGPR, andA. comosus.This research wasexperimentallaboratoriesusing completely randomized designwith 4 differenttreatments and 3replications, namely control (A), addition ofPGPR and A. comosus 40%(B), addition of PGPR  and A. comosus 50% (C), and addition of PGPR and A. comosus 60% (D). Parametersmeasured wereC-organic, nitrogen, phosphorus, potassium, pH, temperature, pathogens, and color organoleptic. Parametric datawere analyzed byANOVA. The results showedthat theaddition ofPGPRandA.comosussignificantly affect(P<0.05) to thelevels ofc-organic, phosphoruslevels, potassium levels, but not nitrogen levels. Addition of pineapple 50% will increase the nitrogen content twice higher than control. The best treatment is addition of PGPR and pineapple 60% with the content of C, P, K respectively 7.02%, 3.44% and 3.41%. 
MUTU DAN DAYA SIMPAN FILLET DENDENG IKAN NILA MERAH YANG DIKEMAS HAMPA UDARA DENGAN VACUUM SEALER SKALA RUMAH TANGGA Dewi, Eko Nurcahya; Ibrahim, Ratna
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 4, No 1 (2008): Jurnal Saintek Perikanan
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (123.251 KB) | DOI: 10.14710/ijfst.4.1.69-75

Abstract

Salah satu cara pengolahan ikan air tawar yang dapat dikembangkan adalah pembuatan dendeng ikan dalam bentuk fillet. Produk dendeng ikan yang diolah secara tradisional biasanya tidak dikemas atau dikemas dalam kantong plastik polyethylene, sehingga mudah terkontaminasi oleh mikroorganisme atau  kelembaban   udara sekitarnya. Penelitian ini bertujuan untuk mengetahui ada tidaknya pengaruh pengemasan dendeng fillet ikan Nila Merah , yang dikemas dengan kantong plastik polyethylene dan  dikemas dengan vacuum sealer skala rumah tangga terhadap mutu produk. Produk disimpan   pada  suhu kamar.Pengujian mutu produk meliputi kadar air,kadar TVBN,jumlah bakteri (TPC) dan nilai kesukaan panelis terhadap produk. Metode penelitian menggunakan percobaan laboratoris, berdasarkan pola faktorial (2 x 2) dengan rancangan kelompok. Masing- masing perlakuan diulang 3 kali. Data dianalisa dengan ANOVA dan data kesukaan diuji dengan uji Kruskal – Wallis. Hasil penelitian  menunjukkan bahwa perlakuan pengemasan dendeng fillet ikan Nila Merah hampa udara dengan  vacuum sealer skala rumah tangga, setelah penyimpanan pada suhu kamar selama 30 hari menyebabkan kadar air, kadar TVBN dan jumlah koloni bakteri produk lebih rendah secara nyata (P< 0,05) bila dibandingkan  dengan produk yang dikemas dengan kantong plastik polyethylene.Kedua cara pengemasan tersebut tidak memberikan perbedaan yang nyata terhadap nilai kesukaan produk baik dari segi warna, bau,rasa dan konsistensi. Penyimpanan produk dendeng selama 30 hari berpengaruh nyata terhadap penurunan kadar air produk yang dikemas dengan kemasan hampa udara,tetapi tidak berpengaruh nyata (P > 0.05) terhadap kadar TVBN, namun  masih berpengaruh nyata terhadap kenaikan jumlah koloni bakteri. Kata Kunci : Ikan Nila Merah,dendeng fillet ikan, pengemasan, mutu
PRODUKTIVITAS PERIKANAN TANGKAP KOTA TEGAL Hendrayana Hendrayana; Ninik Umi Hartanti
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 14, No 1 (2018): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (200.403 KB) | DOI: 10.14710/ijfst.14.1.77-80

Abstract

Produktivitas perikanan tangkap Kota Tegal cenderung fluktuatif. Penelitian ini bertujuan untuk mengetahui laju pertumbuhan alat tangkap cantrang dan untuk mengetahui produktifitas perikanan tangkap di Kota Tegal Penelitian ini menggunakan metode penelitian deskriptif dan pengambilan sampel dilakukan dengan metode purposive sampling method. Hasil penelitian menunjukkan bahwa 90% kapal di PPP Tegalsari merupakan kapal cantrang. Hasil tangkapan ikan dari tahun 2015-2017 menurun sebesar 30,11%.  Ikan ekonomis seperti kakap merah (Lutjanus bitaeniatus), ikan lidah (Cynoglossus lingua), ikan pari (Dasyatis sp), rajungan (Portunus pelagicus) sulit ditemukan di Perairan Tegal.  Zona penangkapan berubah dimana awalnya dilakukan di Kawasan Perairan Tegal saat  penangkapan dilakukan hingga Kawasan perairan kalimantan. Tegal capture fisheries productivity is fluctuating. The aims of this research was to determained cantrang fishing gear and Tegal capture fisheries productivity. The descriptive method and purposive sampling method was applied in this research. The results showed that 90% of the ship at PPP Tegalsari ships was cantrang ships. Fish catch from 2015-2017 decreased by 30.11%. Economic fish like Lutjanus bitaeniatus , Cynoglossus lingua , Dasyatis sp and Portunus pelagicus hard to find at Tegal Water. There need to be fishing gear and fish target in fishing activities.
The Use of Phytase Enzyme to Increase Phosphorus Bioavailability of the Diets and Growth Performance of Catfish (Clarias sp) Mohammad Amin; Dedi Jusadi; Ing Mokoginta
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 6, No 2 (2011): Jurnal Saintek Perikanan
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (161.239 KB) | DOI: 10.14710/ijfst.6.2.53-62

Abstract

ABSTRACT This study was conducted to evaluate the effect of dietary phytase supplementation on phosphorus (P) bioavailability of the diets and growth performance of catfish (Clarias sp) as well as P loading. Four experimental diets were used in this experiment. Diet (A), as a control, was supplemented with inorganic P; diet (B) supplemented with phytase, without inorganic P; diet (C ) supplemented with phytase and citric acid, without inorganic P; and diet (D) without phytase and inorganic P. Phytase was added to the diet at 50 mg/100 g soy bean meal and pollard. Ten fishes with initial body weight of 6.3 ± 0.05 g distributed into an aquarium. Fish fed on the diets for 60 days, there time daily, at satiation. Results indicated that P digestibility increased from 68.55% to 86.1% by the addition of phytase. P digestibility in diet B and C was higher than diet A and D. Daily growth rate of fish from diet B and C were significantly higher than that of diet D, but similar with diet A. Food conversion ratio (FCR) of fish from diet A, B, and C was better than diet D. P concentration in the whole body, bone, and plasma, of fish from diet A,B, and C was higher than diet D, but the Ca and Zn concentration  in the whole body, bone, plasma was the same in all treatments. P loading by fish fed diet with phytase ware 58% lower than that of the fish fed control diet. Keyword: Clarias sp, phytase, phosphorus, bioavailability
The Effectiveness Assessement of Coral Reef Management (Case Study : Marine Conservation Area (MPA) Biawak Island and Area, Indramayu District) Mutiara Salsabiela; Sutrisno Anggoro; Hartuti Purnaweni
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 10, No 1 (2014): JURNAL SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (351.509 KB) | DOI: 10.14710/ijfst.10.1.13-18

Abstract

Utilization of coral reefs by destructive and not environmentally friendly as well as water pollution , making it be in a worrying condition .condition of coral reefs in 2012 on the Biawak Island, 45.4% were in good condition and the remaining 27.3% were in fairly good condition and 27.4% are in poor condition with the risk index of 2.96 to 3.84 (southern part of the Biawak island). Establishment of MPA is one alternative policies management and protection of coral reefs and marine life that live in it, so hope to protect coral reefs and marine environment from adverse impacts.This study aims to assess the effectiveness of the management of coral reefs in MPA Biawak island and it was conducted in November-December 2013. The effectiveness of the management of coral reefs in Biawak island using a scorecard (Coremap-II) which includes the biophysical aspects of coral reef habitat conditions, social-economic and governance.The results showed that the effectiveness of the management of coral reefs in the MPA Biawak island and obtained scores around 139 with a percentage rating of 73.52%, it means less effective management. Keywords : Effectiveness, Management, Coral Reef, MPA Biawak Island
STATUS HEMATOLOGI DAN RESPON IMUN IKAN KOI (Cyprinus carpio) YANG TERINFEKSI Myxobolus sp. DENGAN TREATMENT DIMILIN (Hematological Status and Immune Response of Koi Fish (Cyprinus carpio) Infected by Myxobolus sp. With Treatment of Dimilin) feri Setiawan; Uun Yanuhar; Andi Kurniawan
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 15, No 1 (2019): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (369.461 KB) | DOI: 10.14710/ijfst.15.1.80-85

Abstract

Koi merupakan ikan hias favorit di pasar nasional dan internasional. Proses budidaya untuk menghasilkan koi dengan kualitas terbaik masih menjadi kendala, salah satunya adanya infeksi parasit Myxobolus sp. yang dapat menyebabkan kematian massal dalam waktu singkat. Myxobolus yang menyerang jaringan ikan dapat menyebabkan kerusakan prah pada jaringan. Banyak cara dilakukan oleh pembudidaya Ikan Koi untuk menghindari infeksi Myxobolus, yaitu dengan pengobatan secara alami dan menggunakan bahan kimia. Penelitian ini bertujuan untuk mengetahui efek hematologi dan respon imun pada Ikan Koi yang terinfeksi parasit Myxobolus dengan pengobatan dimilin. Metode yang digunakan adalah metode eksperimental dengan perlakuan kontrol ikan sehat (A), Ikan koi yang terinfeksi oleh Myxobolus sp. tanpa perlakuan dimilin (B), ikan koi terinfeksi Myxobolus sp dengan perlakuan dimilin 0,02 mg (C), dan ikan yang terinfeksi Myxobolus sp dengan perlakuan dimilin 0,01 mg (D). Pengambilan darah ikan dilakukan dengan metode punksi pembuluh darah bagian caudal dan dilakukan pengamatan hematologi, serta dilakukan pengamatan imunohistokima dengan melihat persentase Diaminobenzidine (DAB) pada ikan. Hasil rata-rata pada perhitungan hematologi leukosit dan eritrosit tertinggi  ditemukan pada ikan yang terinfeksi Myxobolus sp tanpa perlakuan dimilin (B), dengan eritrosit 2.913.334 sel / mm3 dan leukosit 197.184 sel / mm3. Hasil respon imun berdasarkan pengamatan imunohistokimia didapatkan nilai DAB perlakuan A adalah 16%, nilai DAB perlakuan B 42,7%, nilai DAB perlakuan C 25,6%, dan nilai DAB perlakuan D 31,4%. Kesimpulan penelitian ini adalah pemberian dimilin dapat mempengaruhi respon hematologi dan dapat mempengaruhi respon imun pada ikan yang dapat ditunjukkan dengan Interleukin-6 pada ikan dengan hasil DAB immunoratio. Koi is a favorite ornamental fish in the national and international markets. Cultivation process to produce koi with the best quality is still have problem, one of the problem is parasitic infection of Myxobolus sp. which can cause mass death in a short time. Myxobolus attacks fish tissue can cause severe damage to tissue. Many ways were used by koi fish farmers to avoid Myxobolus infection which  with natural treatment and using chemicals drug. This study aims to determine the hematological effects and immune respons in the koi fish infected with the Myxobolus and treated with dimilin. Experimental method was used in this research with control treatment of healthy fish (A), koi fish infected by Myxobolus sp. without treatment (B), koi fish infected by Myxobolus sp with dimilin treatment 0.02 mg (C), and koi fish infected by Myxobolus sp with dimilin treatment 0.01 mg (D). fish Blood samples were collected with puncture of caudal vessel method and then haematological observations to blood samples, and immunohistokima observations by looking percentage of Diaminobenzidine (DAB) in fish. Highest hematological Results of leukocytes and erythrocytes were found in treatment B, with erythrocytes result 2,913,334 cells / mm3 and leukocyte 197,184 cells / mm3. Immune response result based on immunohistochemical observations with DAB value of treatment A is 16%, treatment B is 42.7%, treatment C is 25.6%, and treatment D is 31.4%. Conclusion in this study that dimilin treatment can affect hematological response and immune response in fish which can be shown with Interleukin-6 in fish with DAB immunoratio results. 
The Shelf- life of Seasoned Fish Meat Floss (Abon Ikan) Made from Red Tilapia (Oreochromis niloticus Trewavas)Processed by Different Frying Methods Eko Nurcahya Dewi; Ratna Ibrahim; Nuzulia Yuaniva
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 6, No 2 (2011): Jurnal Saintek Perikanan
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (126.815 KB) | DOI: 10.14710/ijfst.6.2.6-12

Abstract

Seasoned fish meat floss (“abon ikan” ) is a processed fish made from fish meat and traditionally processed by boiling, seasoning and frying. The frying method that is usually used is a deep frying. The unsaturated fatty acids and the oil content in the product cause a rancidity problem during the product is stored at room temperature. The aim of the research is to find out the effect of a deep frying and a pan frying methods application on the seasoned fish meat floss processing using red tilapia and the storage time at room temperature to the rancidity development and the shelf-life of the products based on the rancidity variable analysis (PV, TBA, AASC, Aw values) and the hedonic values of the products. The experimental design used was a completely randomized design with a factorial pattern (2 x 3 ). Based on the chemical analysis results and the hedonic value of the product stored up to 15 days at a room temperature it was found that the product processed by the pan frying method had a better quality and it was not rancid yet. The characteristics of the product were as followed : PV (4.3699 miliequivalent / kg lipid , TBA (3.5215 mg malonaldehyde / kg sample), AASC (0.4727abs unit/g/ml) , Aw(0.47)  whereas the odour and the flavour  value was 7.2 respectively.   Keywords: Seasoned fish meat floss, red tilapia, deep frying, pan frying, quality
ANALISIS INVENTARISASI MASALAH DAN PENGEMBANGAN SOLUSI DALAM PENGEMBANGAN PERIKANAN ARTISANAL DI PANTAI KEDONGANAN BALI Problem Inventory Analysis and Solution to Artisanal Fisheries Development in Kedonganan Beach Bali Dian Wijayanto; Muhammad Nurul Huda; Ricky Yanuartoro
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 11, No 1 (2015): JURNAL SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (226.874 KB) | DOI: 10.14710/ijfst.11.1.17-25

Abstract

ABSTRAK   Pantai Kedonganan merupakan salah satu fishing base nelayan perikanan artisanal di Kabupaten Badung, Bali. Perkembangan perikanan artisanal di Pantai Kedonganan semakin terdesak oleh perkembangan pariwisata. Oleh karena itu, perlu dilakukan kajian mengenai pengembangan perikanan tangkap artisanal di sekitar Pantai Kedonganan melalui proses analisis inventarisasi permasalahan dan pengembangan alternatif solusi. Penelitian ini bertujuan untuk mengkaji karakteristik usaha perikanan tangkap, inventarisasi masalah yang dialami para pelaku perikanan tangkap dan solusi untuk pengembangan perikanan tangkap di Pantai Kedonganan. Pengumpulan data dilakukan melalui observasi, wawancara, dan studi pustaka. Analisis data dilakukan melalui analisis nilai penting dan nilai kondisi sekarang dari key factors terpilih, dan selanjutnya dilakukan pemetaan key factors yang prioritas untuk dikembangkan. Hasil penelitian menunjukkan bahwa usaha perikanan dengan fishing base di Pantai Kadonganan merupakan usaha perikanan artisanal yang bersifat one day fishing dan secara dominan menggunakan perahu motor tempel dengan alat tangkap gill net dan pancing. Faktor yang perlu mendapatkan prioritas ditingkatkan dalam pengembangan perikanan artisanal di Pantai Kedonganan adalah (a) teknologi penanganan ikan, (b) dukungan lembaga keuangan penyedia modal, (c) sinergisitas kepentingan pemangku kepentingan, (d) dukungan politik, (e)  potensi sumberdaya ikan, (e) teknologi penangkapan ikan, (f) potensi pasar industri  pengolahan ikan, (g) modal pelaku perikanan tangkap, dan (h) regulasi pendukung perikanan tangkap. Selain itu, perikanan artisanal dan pariwisata bahari dapat bersinergi, terutama untuk pengembangan wisata kuliner.   Kata kunci : Analisis Inventarisasi Masalah, Pemetaan Prioritas, Perikanan Artisanal, dan Pantai Kedonganan   ABSTRACT   Kedonganan Beach is one of fishing base to artisanal fisheries in Badung District Regency The artisanal fisheries at Coastal Kedonganan increasingly pressured by a tourism development. So, it is necessary to study about an artisanal fisheries development at Kedonganan Beach through an inventory problems and alternative solutions development. This research aims to identify a fishing business characteristics, to identify a problems and to develop a solutions. Data collected through observation, interviews, and literature reviews. Data analysis used an importance value and current condition value analysis to several key factors, and map a priority factors to be developed. The research proved that the fishing business at Kadonganan Beach is an artisanal fisheries, and one day fishing. Fishing business at Kadonganan Beach use fishing boat outboard motor, gill net and hand line. Priority factors that need to improve artisanal fisheries at Kedongangan Beach is (a) fish handling technology, (b) financial institution support, (c) stakeholder synergy, (d) political support, (e) fish resources potential, (e) fishing technology, (f) market potential of the fish processing industry, (g) capital power of fishermen, and (h) fisheries regulations support. The artisanal fisheries and marine tourism can also work together, especially for a culinary tourism development.  Keywords : Problem Inventory Analysis, Priority Mapping, Artisanal Fisheries and Kedonganan Beach
Species and size composition of tuna longline catches in the Southes of Java, Indian ocean Triharyuni, Setiya; Prisantoso, Budi Iskandar
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 8, No 1 (2012): Jurnal Saintek Perikanan
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (173.361 KB) | DOI: 10.14710/ijfst.8.1.52-58

Abstract

The growth of long line fleets operating in the south of Java resulted in smaller tuna caches both  in number and size. Information on species and size composition of tunas is very important. This was done to obtain an overview of long line catch composition and its linear regression. The long liner’s catch data from south of Java in July, September, October 2005 and January 2006 are processed with a simple linear  regression. The result shows that the yellow fin tuna is the dominant catch, where stingrays are the largest in by catch. From length-weight relationship analysis, which is divided into whole length-weight relationship and processed length- weight relationship, it is shown that the growth of big eye tuna is isometric, where albacore and yellow fin is negative allometric. Key words: Albacora, bigeye, Yelowfin, fish weight, fish length

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