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Indonesian Fisheries Research Journal

ifrj
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Published by Kementerian Kelautan dan Perikanan RI

ISSN : 08538980 EISSN : 25026569 DOI : -

Core Subject : Science, Agriculture,

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

Indonesian Fisheries Research Journal published in Indonesia by Center for Fisheries Research. Indonesian Fisheries Research Journal publishes research results on resources, fisheries biology, management, environment related to marine, coastal and inland waters.

Arjuna Subject : -

Articles 300 Documents

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CONCENTRATION OF NICKEL (Ni) AND CHROMIUM (Cr) lN SEDIMENT AND SUSO SNAIL (Tylomelania patriarchalis) AT BOTTOM LAYER OF MATANO LAKE, SOUTH SULAWESI Kamaluddin Kasim; Mas Tri Djoko Sunarno
Indonesian Fisheries Research Journal Vol 15, No 2 (2009): (December 2009)
Publisher : Research Center for Fisheries

Research on nickel (Ni) and chromium (Cr) concentration in sediment and meat of suso snail (Tytometania patriarchatis) collected from bottom layer of Lake Matano, South Sulawesi, was conducted on July-August 2004. Research station was established purposively according to a distance from source of industrial activities, namely station A (25 km), station B (14 km), station C (5 km), and station D (7 km), respectively.

TECHNICAL EFICIENCY OF FISH AGGREGATING DEVICES ASSOCIATED WITH TUNA FISHERY IN KENDARI FISHING PORT – INDONESIA Mohamad Natsir; Agustinus Anung Widodo; Wudianto Wudianto; Sveinn Agnarsson
Indonesian Fisheries Research Journal Vol 23, No 2 (2017): (December, 2017)
Publisher : Research Center for Fisheries

Kendari fishing port is one of the biggest tuna fisheries landing in Indonesia. It yearly average tuna production was more than 20 thousand tons. The tuna fishing fleet in Kendari use FAD (Fish Aggregating Devices) as an auxiliary fishing gear. FAD management is major issues in Indonesian tuna fisheries. extensive investment on FAD has led to increase of the juvenile and by catch and also social problem because of the competition. Technical efficiency analysis was done during this study, 2015 catch and logistic data from Kendari fishing port was run using stochastic frontier to obtain the model. Mean value technical efficiency was 0.534. Purse seine the highest mean value compared to other fishing gear. All the variables input show positive relationship to the catch except the days at sea variables, this is a signal that the increasing number of FAD has made the fisherman spend more time at sea it will decrease the technical efficiency. The results support the need of FAD regulation done by the government of Indonesia. Regulation will keep the number of FAD at optimum level and increase the technical effieciency so the fisheries keep gaining the optimum benefit from the resources.

CATCH COMPOSITION AND SOME BIOLOGICAL ASPECTS OF SHARKS IN WESTERN SUMATERA WATERS OF INDONESIA Dharmadi Dharmadi; Mahiswara Mahiswara; Kamaluddin Kasim
Indonesian Fisheries Research Journal Vol 22, No 2 (2016): (December, 2016)
Publisher : Research Center for Fisheries

This study was conducted in western Sumatera and since October 2013 to June 2014. The sampling locations in Banda Aceh and Sibolga-North Sumatera which were the largest base of fisheries in western Sumatera region. Shark landing recorded by enumerators was used as sampling data daily . This research aim to describ sex ratio, size composition, catch composition of sharks, and length at first maturity. In Banda Aceh, the sharks as target fish collected by sorting the bycatch from tuna longlines and tuna handlines. In Sibolga, sharks is bycatch from fish net, bottom gillnet and purse seine. Overall, there were 20 species of shark caught in west Indian Ocean and landed at those fish landing sites, dominated by Spot tail shark (23%) and Silky shark (13%), whereas Hammerhead shark contributed about 10% and Oceanic whitetip shark was only less than 1%. Almost of Spot tail shark, Silky shark, and Scalloped hammerhead that caught in that area were immature, while for the almost part of Tiger shark and Pelagic thresher were matured. The sex ratios for Spot tail shark, Silky shark, Tiger shark, Pelagic thresher, and Scalloped hammerhead caught and landed at Lampulo and Sibolga fish landing sites were not balance. The length at first maturity for Spot tail shark was Lm=87,1 cm and Lm = 213,2 cm total length for Tiger shark.

SHARK LONGLINE FISHERY IN TANJUNGLUAR-EAST LOMBOK Dharmadi Dharmadi; Ria Faizah; Lilis Sadiyah
Indonesian Fisheries Research Journal Vol 19, No 1 (2013): (June 2013)
Publisher : Research Center for Fisheries

Studies on artisanal shark fisheries in Tanjungluar - East Lombok were conducted during the year 2001-2011 (except in 2003 and 2007). A sampling method called “rapid market survey” method was employed to collect catch data from surface and bottom longlines fishing, rapidly. Biological data and fisheries data were collected during survey. Catch data for shark were also obtained from daily records filled by TPI officers in Tanjungluar between 2009 and 2010. The results showed that sharklongline fishing was conducted every month. The trend of shark catches relates to the number of fishing vessels, fishing ground, and weather conditions at sea. The period between July and September is a transitional season from East to West seasons. During this season, the wind strength is weakened and a good fishing season for the fishers. The lowest catch occurs in January (1.06 tonnes) and the highest catch in September with the total catch of 24.6 tonnes. Sharks caught by surface longline were dominated by Silky shark, Carcharhinus falciformis (40-90%) with the size range of 100-125 cm. The catch of bottom longline was mostly consisting of fish in mature condition that dominated by Grey reef shark (Carcharhinus amblyrhynchos), Common black tip shark (C. limbatus), Spot tail shark (C. sorrah), and Scalloped hammerhead shark (Sphyrna lewini), with the size range of 125-200 cm, 170- 250 cm, 100-150 cm, and 170-300 cm, respectively. Surface longline fishing occurs in the offshore waters in depth more than 200 m to 3000 m, whereas bottom longline fishing is operated at a depth of 50-100 m around islands.

DEMERSAL FISH RESOURCES RESULT OF MV. SEAFDEC 2 SURVEY IN THE SOUTH CHINA SEA OF INDONESIA Wudianto Wudianto; Bambang Sumiono
Indonesian Fisheries Research Journal Vol 14, No 2 (2008): (December 2008)
Publisher : Research Center for Fisheries

The South China Sea is belonging to western part of Sunda shelf which consisted of shallow water in the southern part and deep water in the northern part area. The area of Indonesian water in the South China Sea is estimated 595,000 km2 including exclusive economic zone waters.

POTENTIAL PRODUCTION OF THE FIVE PREDOMINANT SMALL PELAGIC FISH SPECIES GROUPS IN THE JAVA SEA Purwanto Purwanto; Duto Nugroho; Suwarso Suwarso
Indonesian Fisheries Research Journal Vol 20, No 2 (2014): (December 2014)
Publisher : Research Center for Fisheries

The Java Sea is one of the important fishing areas for small pelagic fishery in Indonesia. The production of the fishery was dominated by five fish species groups. To support the management of that fishery, an assessment of the stock of the five predominant small pelagic fish species groups was conducted. Based on the result of analysis, the maximum sustainable yield (MSY) of the stock of five predominant small pelagic fish species was about 244.6 thousand tons. Meanwhile, the MSY of the stock of the whole exploitable small pelagic fish species was about 315.5 thousand tons. The optimum fishing effort (EMSY) was 1032 units. The total fishing effort was higher than EMSY and the fish stock was likely over-exploited since 2000. To ensure the optimal fish production of the small pelagic fish stock in the Java Sea, it is necessary to recover fish stock by controlling fishing effort to EMSY. The time which it takes for the fish stock to recover was about two years when fishing effort was reduced from its level in 2009 to EMSY.

BROODSTOCK CONDITIONING FOR THE TROPICAL ABALONE (Hatiotis asinina) UNDER DIFFERENT COMBINATION OF PHOTOPERIOD AND WATER TEMPERATURE D. E. Djoko Setyono
Indonesian Fisheries Research Journal Vol 11, No 2 (2005): (December 2005)
Publisher : Research Center for Fisheries

The main purpose ot this study is to understand the influcnce of external parameters, i.e, photoperiod and water temperature, on gonadal maturation of tropical abalone (Haliotis asinina) in southorn Lombok waters, NTB

ANALYSIS OF FISHING PORTS TO SUPPORT THE DEVELOPMENT OF TUNA FISHERIES IN THE SOUTH COAST OF JAVA Tri Wiji Nurani; Ernani Lubis; John Haluan; Sudirman Saad
Indonesian Fisheries Research Journal Vol 16, No 2 (2010): (December, 2010)
Publisher : Research Center for Fisheries

Construction of a fishing port requires special conditions to be properly developed. The right choice of location from the land and water aspects is the basic requirement to build a fishing port facilities.

DELTA MODEL APPROACH FOR CPUE STANDARDIZATION OF SWORDFISH (Xiphias gladius Linnaeus, 1978) CAUGHT BY INDONESIAN LONGLINE FLEET IN THE EASTERN INDIAN OCEAN Irwan Jatmiko; Humber Andrade; Budi Nugraha
Indonesian Fisheries Research Journal Vol 23, No 1 (2017): (June, 2017)
Publisher : Research Center for Fisheries

Relative abundance indices as calculated based on commercial catches are the input data to run stock assessment models to gather useful information for decision making in fishery management. A Generalized Linear Model (GLM) was used to calculate relative abundance indices and effect of longline fishing gear configuration. Data were collected by a scientific observer program from August 2005 to November 2013. Most of the boats monitored were based in the Benoa Port, Bali. Catches are often equal to zero because swordfish is a bycatch for Indonesian longline fleets. Therefore, a hurdle model and a binomial distribution was used to model the proportion of positive catch rates, while a gamma distribution were used to model the positive longline sets. Correlations between the proportion of positive sets and year () and quarter () were weak. However, linear correlation between the proportion of positive sets and the length of branch lines () and number of hooks between floats () were negative and significant. The probability of success is higher for surface longline with small number of hooks and short branch lines. Models with year in interactions as random effects did not converge. Models with year in interactions as fixed effects did converge, but the estimation of standard errors of year coefficients were high. Meaningful estimations were obtained only when using the simplest model, in which year is not in interactions. The low proportional decrease of deviance indicates that most of the variability of catch rates of swordfish caught by Indonesian longline boats are not related to year, quarter, number of hooks between floats and the length of branch lines. Other variables and information, like the daytime while the longlines deployed in the water (day or night), type of bait, size and type of hooks, and if the fishermen use light-sticks to attract the fish, are necessary to better understand the catch rate, and improve the estimations of the relative abundance indices.

CORAL FISH POPULATION CHANGES IN THE SURROUNDING ARTIFICIAL REEFS OF THE LEBAH COASTAL WATERS, KARANGASEM, BALI Amran Ronny Syam; Isa Nagib Edrus; Sri Turni Hartati
Indonesian Fisheries Research Journal Vol 13, No 2 (2007): (December 2007)
Publisher : Research Center for Fisheries

The Directorate General of Fisheries deployed some artificial reefs in 1991 for habitat enhancement in Lebah coastal waters that have already degraded. This study was the 4th time monitoring of fifteen years of restoration period that aimed to identify changes of coral fish population in the vicinity of the artificial reefs.

Page 7 of 30 | Total Record : 300

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Home Page

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Editorial Team

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Contact Name Arief Gunawan

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Location Kota adm. jakarta pusat, Dki jakarta INDONESIA

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Contact Name
Arief Gunawan

Contact Email
ifrj.puslitbangkan@gmail.com

Phone
-

Journal Mail Official
ifrj.puslitbangkan@gmail.com

Editorial Address
-

Location
Kota adm. jakarta pusat,

Dki jakarta

INDONESIA