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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.

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Articles 7 Documents

Search results for , issue "Vol 24, No 1 (2018): (June) 2018" : 7 Documents clear

GENETIC DIAGNOSIS AND REPRODUCTIVE BIOLOGY OF INTRODUCED MYSTACOLEUCUS MARGINATUS IN THE TOBA LAKE, NORTH SUMATRA Siswanta Kaban; Arif Wibowo
Indonesian Fisheries Research Journal Vol 24, No 1 (2018): (June) 2018
Publisher : Research Center for Fisheries

After M. marginatus has been introduced to Toba Lake, North Sumatra, the status of M.marginatus stocks and their biological properties is unknown. In this study, we examine the genetic patterns of the M. marginatus in Toba Lake, North Sumatra Province. Employing the cytochrome c oxidase subunit I (COI) gene of the mtDNA, we profile the genetic variation within M. marginatus in Toba Lake. We also analyzed reproductive characteristic and commercial catches of M. marginatus. The result shown M. marginatus is a synonim for M. marginatus, in total, 1 polymorphic sites (represent singleton dimensions) was identified and phylogenetic reconstruction reveal low levels of genetic diversity with no clear pattern of haplotype-partitioning. Nucleotide diversity analysis infer the present of two lineages. The Ne value of M. marginatus (1,936 to 3,878), the population has not experienced population growth/expansion as expected and the total production of M. marginatus in Toba Lakeof the year for 2013 has ranged between 3,347.05 – 6,694.1 ton. M. marginatus in the Toba Lake share similar life history traits include maximum body size, longevity, age at maturity, and fecundity(the number of eggs produced). M. marginatus is categorized as the opportunistic strategy consisted of fishes with short generation time, low batch fecundity, and low investment per offspring. This lifehistory traits approach of M. marginatus are important for guide fisheries management for its sustainability. More over the information can be use as pilot data and apply it to data-poor species.

CHRONOLOGY AND CAUSE OF MASS MORTALITY EVENT ON FISH IN THE LOWER PART OF YAMAIMA RIVER, MIMIKA REGENCY, PAPUA Husnah Husnah; Chairulwan Umar; Aroef Hukmanan Rais
Indonesian Fisheries Research Journal Vol 24, No 1 (2018): (June) 2018
Publisher : Research Center for Fisheries

Mass mortality events (MMEs) on fish tend to increase recently both for cultured and wild fish both in coastal and inland waters. The MMEs on wild fish are mostly unknown. Mass mortality events on wild fishes of Mimika estuary, Papua have been recorded since long time ago and limited information was provided due to its remote area. A rapid appraisal study of mass mortality event (MME) of wild fishes chronology and cause was conducted in Yamaima river to Tifuka Estuary, Papua Province a week after the MME in April 2016. Seven sampling sites were selected. Two activities were conducted during the field survey: interview with the local people to get information on the chronology of the MME and collecting primary data on aquatic environment quality and fish samples. The occurance of goldstripe sardine inYamaima river and Tifuka estuary were triggered by the present of strong El Nino with ONI value more than 0.5oC in the ocean and atmosphere above Equator Pasific. Water quality at MME site was similar with remaining schooling fish and Tifuka estuary sites. Concentration of heavy metals in the sediment tend to decreased along with the distance from the MME site. Mass mortality of goldstripe sardinella could relate to oxygen suffocation as a result of disorentation movement of the fish shoals inaccordance with low tide and new moon phase. The number of the death goldstripe sardinella was estimated 200,000 fish with the weight of 18 tons. To mitigate MMEs in the future, efforts should be done such as: routine early detection of El Nino pattern and its effect on salinity and water temperature raising by placing key water quality parameter buoy in the mouth river of Papua and to set net or stack of logs in the cape area of west tailing levee Yamaima river to prevent the entrapment of migrating small pelagic fish specialy in the closed water area.

REPRODUCTIVE BIOLOGY OF THE RED BIGEYE (Priacanthus macracanthus Cuvier, 1829) IN PALABUHANRATU BAY, INDONESIA Meuthia Aula Jabbar; Mohammad Mukhlis Kamal; Mennofatria Boer; Ali Suman; I Nyoman Suyasa
Indonesian Fisheries Research Journal Vol 24, No 1 (2018): (June) 2018
Publisher : Research Center for Fisheries

The reference point of reproductive biology play an important roles in developing a baseline information for fishery management. Different waters will provide different overview of fisheries related to its biological aspects. The red bigeye (Priacanthus macracanthus) is one of economically important demersal fish species in Indonesia. To support the biological status of this species, a regular field observation were carried out during May 2016 to April 2017 in Palabuhanratu bay, south of West Java. The objective of this study is to estimate the spawning season and potential reproductive stages including to evaluate how the key management related to the species and its gear selectivity. Numbers of red bigeye (Priacanthus macracanthus) specimen was collected from bottom gillnetter and hand liner. Basic information related to length-weigth, bio-reproduction (maturity) were collected regularly to determine GSI, Fecundity and its impact of fishing (Lc, Lm) to evaluate the recent stock status. The result showed sex ratio no significant differences between males and females except in September to December. The growth pattern indicated negative allometric. The predicted of spawning seasons were around June-July and December-January. Mean of fecundity was estimated to be 230,000 ± 178,000 eggs. Management keys were obtained i.e. length at first maturity (Lm) value was to be 21.9 cm TL which is smaller than length at first capture (Lc) 22.4 cm TL for bottom gill netter and 23.1 cm TL for average fishes caught by hand liner. Therefore it is recommended to close the waters in the bay area during the spawning period. In the case of catch, it is important to apply the precautionary approach with emphasizes to the size of fish allowed to be captured more than the Lm value (above 21.9 cm TL).

THE DEVELOPMENT OF HARVEST STRATEGIES FOR TROPICAL TUNA IN INDONESIA’S ARCHIPELAGIC WATERS Fayakun Satria; Lilis Sadiyah
Indonesian Fisheries Research Journal Vol 24, No 1 (2018): (June) 2018
Publisher : Research Center for Fisheries

Significant roles of the fishery in the Indonesia’s archipelagic waters/IAW (FMAs 713, 714 and 715), with proportion of around 60% came from the IAW, and a strong residential behavior for skipjack (SKJ) and yellowfin tuna (YFT) encourage Indonesia to develop harvest strategies for the tropical tuna in the IAW. This is a priority action of the National Tuna Management Plan (NTMP) for tropical and neritic tuna. Fisheries operating in the IAW are mainly small scale commercial vessels. A specific harvest strategy framework that appropriate with the fishery characteristics has been developed. This paper describes the process of harvest strategy (HS) development for the tropical tuna in the Indonesia’s archipelagic waters (FMAs 713, 714 and 715). The HS is developed scientific works (including data collection, analysis/modelling and series technical and consultative stakeholder workshops as well as expert consultancies. Four technical workshops and seven stakeholder workshops have been done between 2015 and 2017. An interim HS (consisted of management objective, limit reference point, monitoring, analysis, harvest control rule and management measure) has been determined and agreed. Continues collaboration and commitment from related stakeholders including Government, fishers, fishing association, NGOs by adopting co-mangement and participatory approach in implementing the agreed harvest strategy, through data collection and sustain supports.The time series of catch and effort data, and size data could be used to monitor the fishery, stok status and its performance.In addition, involvement of relevant international tuna experts through expert consultancies are integrated process with the technical and stakeholder workshops. This HS development process is still on-going and can be refined, as HS development is a cycle process.

FISHERIES SANCTUARY PLANNING IN PRACTICE: LESSON LEARNT FROM ECOSYSTEM APPROACH TO FISHERIES MANAGEMENT IN NORTH KALIMANTAN PROVINCE Andhika Prima Prasetyo; Asep Priatna; Agus Setiyawan; Rodo Lasnihora; Fadli Yahya; Dian Oktaviani; Duto Nugroho; Rudy Masuswo Purwoko; Nurmayanti Nurmayanti; Ersant Dirgantara; Hendri Antoro; Dahlan Burkiki
Indonesian Fisheries Research Journal Vol 24, No 1 (2018): (June) 2018
Publisher : Research Center for Fisheries

Governor Decree of North Kalimantan No. 26 in 2014 concerning Management of Bombay Duck in the North Kalimantan Province Waters was established in order to address over-exploitation of bombay duck (Harpadon nehereus) population. Fisheries sanctuary is the feasible solution that was agreed by comprehensive stakeholder discussion. This research aims to extract and elaborate our experiences on establishing fisheries sanctuary in the Bangkudulis waters which focus on science communication and in the fisheries sanctuary planning. The acoustic and larva survey conducted to support the consensus and to proof the traditional ecological knowledge of the communities. The results showed that the proposed conservation area of the Bangkudulis waters has significant ecological function to ensure the sustainability of bombay duck population. The distribution and abundance of larva and juveniles were found higher in that area. The approach and challenges to deal with ecological and socio-economic aspects as well as recommendations were discussed in this paper.

POPULATION DYNAMIC AND EXPLOITATION RATE OF THE BLUE SWIMMING CRAB (Portunus pelagicus) IN THE KENDARI BAY WATERS Ali Suman; Ap'idatul Hasanah; Khairul Amri; Andina Ramadhani Putri Pane; Pratiwi Lestari
Indonesian Fisheries Research Journal Vol 24, No 1 (2018): (June) 2018
Publisher : Research Center for Fisheries

Kendari Bay waters consitute a potential blue swimming crab (BSC) fishing ground in WPP NRI 714 (the Banda Sea). The intensive fishing activities have been increasing from year to year that raised concern to the fishing that will disturb resource sustainability. Therefore, an alternative sustainable management is advisable. The purpose of this research was to examine the population dynamics and exploitation rate of BSC in the Kendari Bay waters conducted between January and November 2016. The results show the isometric of BSC growth pattern and balance of male and female ratio. The length at first capture (Lc) of BSC was 116.65 mm (carapace width),smaller than the length at first maturity (Lm) at 119.7 mm (carapace width). The von Bertalanffy growth equation for the blue swimming crab was L(t) = 182.0[1-e-0.91 (t - 0)] and the fishing mortality rate (F) was higher than the natural mortality rate (M). The blue swimming crab exploitation rate calculated BSC from Kendari Bay has exceeded the optimum rate of 0.73 per year and is indicating a category “overfishing”. Therefore, to maintain the BSC stock sustainability, a management measure is needed to reduce the current fishing effort of approximately 46 % from the current effort and regulation of net mesh size.

USING DNA BARCODE TO IMPROVE THE IDENTIFICATION OF MARINE FISH LARVAE, CASE STUDY COASTAL WATER NEAR JAKARTA AND BANDA SEA, INDONESIA Arif Wibowo; Anthony Sisco Panggabean; Achmad Zamroni; Asep Priatna; Helman Nur Yusuf
Indonesian Fisheries Research Journal Vol 24, No 1 (2018): (June) 2018
Publisher : Research Center for Fisheries

The sustainability of the exploitation of the Indonesian fishes depends heavily on many of fish’s basic information including both larvae distribution and dispersal. However, the identification of fish larvae and juvenile to species is very limited. In this study, we employed DNA barcoding techniques to identify marine fish larvae to a species level in Jakarta Bay and Banda Sea by comparing the querries with sequences from adult stage as reference library to contribute on biodiversity information on that particular area. The result revealed that in Jakarta Bay, the molecular marker of a 471 bp region of the mitchondrial cyctochrome c oxidase I gene (COI) has been successfully found to be species-specific, genetic distance within species (0.0 - 1.30 percent). There are total of 8 families, 5 genera and 5 species from a total 15 successful PCR that could be used to calculate the accuracy of larval fish identification in three taxonomic categories. Meanwhile in Banda Sea, for the adult specimens, after some of PCR experiment, we have successfully amplified 27 individuals, only 8 sequences available. There are a total 326 eggs and larvae which been collected from 19 stations, of the 28 successfully amplified PCR samples, 11 sequences were available for DNA analysis and at least 10 species used Banda Sea and surrounding area as their spawning ground. We prove the ability of COI barcodes to identify species level resolution from query sequences and to classify species from distinct geographical origins and determine of how the data retrieved give important information for proposing plans for conserving and managing of fisheries in the sea waters.

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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