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INDONESIA
Jurnal Perikanan dan Kelautan
Published by Universitas Sultan Ageng Tirtayasa
ISSN : 20893469     EISSN : 25409484     DOI : http://dx.doi.org/10.33512/jpk
Core Subject : Science, Agriculture, Social,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Decision Sciences, Operations Research & Management Environmental Science
JPK accommodate the result of research and review of fisheries and marine, with the focus and scope : 1. Management and Technology Aquaculture 2. Fisheries Resource Management 3. Fishery Products Processing 4. Fishing Technology and Management 5. Marine Technology and Science
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Perairan
Articles 253 Documents
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The Study of Formaldehyde and Borax Content on Salted Fish from Several Markets in Tembilahan Indragiri Hilir, Riau Putri Wening Ratrinia; Sumartini Sumartini; Lisa Bonita
Jurnal Perikanan dan Kelautan Vol 10, No 2 (2020)
Publisher : JURNAL PERIKANAN DAN KELAUTAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/jpk.v10i2.9583

Abstract

Fisheries and marine sector is one of the potential sectors in Indragiri Hilir district, Riau. Local fishermen make efforts to preserve the catch by salting it. Although salt can extend product shelf life, there are still many salted fish producers that add formaldehyde and borax to reduce production costs. The addition of formaldehyde and borax is carried out with the aim of extending product shelf life so that producers do not lose. The aim of this study was to determine the presence of formalin and borax content in salted fish products in several markets in Tembilahan. The sampling method in this study was simple random sampling by taking three different samples of salted fish, namely salted belukang, salted kembung, and salted gulama in three different markets in Tembilahan. Samples were tested for formalin and borax using test kit. The results of the qualitative formalin content test showed that from 9 samples of salted fish from several Tembilahan markets, there were 5 positives samples containing formaldehyde. The five samples were salted salted fish belukang, salted fish kembung, salted fish gulama from central market, and salted fish gulama and salted fish kembung from Parit 11 market. In the other hand, the salted fish samples were also tested qualitatively for borax content test. The qualitative test results of borax on 9 samples from several markets in Tembilahan showed no color change on the turmeric paper after immersion in the sample solution. This indicates that all salted fish samples is negative for borax content.
Growth and Survival Rate of The Rainbow Kuromoi Fish (Melanotaenia parva) with Addition of Green Mussle Shell in The Culture Medium Dian Yuliyana; Mustahal Mustahal; Achmad Noerkhaerin Putra; Tutik Kadarini
Jurnal Perikanan dan Kelautan Vol 6, No 2 (2016)
Publisher : JURNAL PERIKANAN DAN KELAUTAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/jpk.v6i2.1105

Abstract

The water quality management is an important factor to increase the productivity of the fish. Optimal pH in the culture medium will make the rainbow kuromoi reproduce well. In this study the green mussel shell was used as medium to increase the water quality of the culture medium. The different concentration of green mussel shell were used namely: 0 g, 30 g, 60 g 90 g, and 120 g. The results showed that the addition of green mussel shell to the culture medium has a significant effect to the culture of rainbow kuromoi fish. The addition of 120 g of green mussel shell showed the best result in pH of water culture medium at 8,2. The best alkalinity of culture medium also found in the addition of 120 g of green mussel shell at 144,76 mg/L. The addition of green mussel shell was also affected the growth fish in term of its body length, body weight, and its survival rate. The growth of its body length were: 3,46 cm (control), B: 3.57 cm, C: 3.94 cm, D: 3.96 cm, 4.17 cm. The final weigth of the control treatment was: 0,61 ± 0.01 g, B: 0.86 ± 0.02 g, C: 1.02 ± 0.05 g, D: 1.08 ± 0.05 g dan E: 1.11 ± 0.07 g, The best SR was found at addition of 120 g shell at 82,22 ± 3,85% and the lowest SR was at control treatment at 40 ± 5.77%.
Reduction of Cypermethrin Residue in Jambal Roti of Giant Catfish (Arius Thalassinus Ruppell) Nursinah Amir; Eddy Suprayitno; Hardoko Hardoko; Happy Nursyam
Jurnal Perikanan dan Kelautan Vol 8, No 1 (2018)
Publisher : JURNAL PERIKANAN DAN KELAUTAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/jpk.v8i1.3684

Abstract

Jambal Roti is a dry-salted fish product made from Giant Catfish (Arius thalassinus Ruppell) with a bread-like texture when fried. This product was found to contain cypermethrin residue exceeding the BMR maximum limit determined by SNI and CAC. This study aimed to determine the best processing method to minimize the residue of cypermethrin in Jambal Roti products. A completely randomize experimental methosd was employed with five treatments and the replicates of each treatment. Treatments applied were A (washing the Jambal Roti for 1 minutes with running tap water), B (soaking in warm water at 50 ° C for 15 minutes), C (frying at 170 ° C for 10 minutes), D (washing with running tap water then fried) And E (soaking then fried).  The residue of cypermethrin was analyzed gas chromatography prior and after the experimental treatments. Results indicated that all treatments were capable of reducing the cypermethrin content of the Jambal Roti. The highest percentage of the cypermethrin  residue reduction was achieved by the treatment D in residual residuals in treatment D (washing with running tap water and then fried).
The Economic Benefits of Karimunjawa National Park Ririn Irnawati; Domu Simbolon; Budy Wiryawan; Bambang Murdiyanto; Tri Wiji Nurani
Jurnal Perikanan dan Kelautan Vol 2, No 2 (2012)
Publisher : JURNAL PERIKANAN DAN KELAUTAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/jpk.v2i2.25

Abstract

Karimunjawa National Park (KNP) inhabited mostly by fishery household, surrounds by 111.625 ha of waters. Protected area such as national park can essentially provide benefits for the survival of humans and other ecosystems. Economic valuation studies as one of the basic management becomes extremely important to be done to understand the extent of KNP provide benefit either directly or indirectly. These benefits should be assessed in economic value that management policy input can be done comprehensively. The objective of the research is to to assessing the economic benefit of KNP. Value of the economic benefits of KNP is Rp 53 Billion. Fishing activities contribute to the value of Rp. 30, 51 M (57.52%), tourism activities Rp. 11.28 M (21.26%) and ecosystem Rp. 11.26 M (21.22%).These value is benefit value and also opportunity cost if KNP ecosystem damage, the minimum economic loses to be borne by society.Keyword: economic valuation, Karimunjawa National Park
Identification of Antibiotic-Producing Bacteria from Extreme Microhabitat in Molecular Mangrove Ecosystems and Their Activity on Pathogenic Bacteria (Vibrio alginolyticus) Desy Mutia Sari; Irwan Effendi; Nursyirwani Nursyirwani
Jurnal Perikanan dan Kelautan Vol 9, No 2 (2019)
Publisher : JURNAL PERIKANAN DAN KELAUTAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/jpk.v9i2.8628

Abstract

The presence of antibiotic-producing bacteria from microhabitat in mangrove ecosystems can be useful to produce new antibiotics for industrial and environmental conservation. Mangrove ecosystems in Dumai have the potential to possess antibiotic-producing bacteria that have not been much studied. The objective of this research was to obtain antibiotic-producing bacteria from extreme microhabitats in the mangrove ecosystem in suppressing the growth of pathogenic bacterial pathogens (Vibrio alginolyticus). Samples were taken from several microhabitat mangrove areas in Dumai (Kelurahan Purnama Dumai), Riau Province. The survey method is used for identification, antibacterial test against pathogenic bacteria (V. alginolyticus). Bacterial isolation was carried out using the pour plate method and purification was carried out using the quadrant streak method. Identification is carried out through observations of macroscopic, microscopic morphology, biochemical tests, antagonism tests (agar diffusion method on agar nutrient media) and DNA analysis. Sequencing of 16S rDNA from the best antibiotic-producing bacterial isolates indicated that molecularly identified of Bacillus amyloliquefaciens, Bacillus cereus, Enterobacter hormaechei, Klebsiella pneumonia, and Enterococcus gallinarum. All bacteria were able to inhibit the growth of V. alginolyticus
Optimazion Different Feeding on Growth and Survival Rate of Tiger Grouper (Epinephelus fuscoguttatus) Dodi Hermawan
Jurnal Perikanan dan Kelautan Vol 5, No 1 (2015)
Publisher : JURNAL PERIKANAN DAN KELAUTAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/jpk.v5i1.279

Abstract

This research aim to find out about the growth and survival rate of tiger grouper (Epinephelus fuscoguttatus) that in feed with artificial feed, goldband goatfish (Upeneus moluccensis), silverbelly (Leiognathus sp.), and goldstripe sardinella (Sardinella gibbosa). Tiger grouper reared in ponds for 63 days. Tiger grouper seed used size 30 g and feed twice a day by 10% of the weight of the fish biomass. The results showed that the highest survival rate in fish feed goldband goatfish and goldstripe sardinella (100%±0.00) and the lowest in fish fed pellets and silverbelly (98.89%±1.92). The highest growth in absolute weight of fish meal which sardinella goldstripe 49.05g ± 0.20 and the lowest in fish fed pellets 42.25 g±0.20. Based on the analysis of variance showed that the meal was not significantly different (P> 0.05) on the survival rate of tiger grouper and significantly (P <0.05) on the growth of the absolute weight of absolute tiger grouper.
Types of Sex And Development of Gonad Protoginic Rice Grouper (Cromileptes altivelis) After Hormone Stimulation Abdul Zahri; Melissa Justin Renjaan; Farida Farida
Jurnal Perikanan dan Kelautan Vol 10, No 2 (2020)
Publisher : JURNAL PERIKANAN DAN KELAUTAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/jpk.v10i2.7123

Abstract

This study aims to analyze the effect of estradiol (E2) and methyltestosterone (MT) combined with hCG on the composition of sex and the gonad development of protogynous humpback grouper (Cromileptes altivelis). The fish experiment 13±1,5g of body weight in the nursery phase. Treatment with a estradiol solution of 3 mg mL–1+ hCG 20 IU mL–1(CE), MT 3mg mL–1+ hCG 20 IU mL–1(CM), estradiol 3 mg mL–1 (E), MT 3 mg mL–1 (M) and 9 mg mL–1 NaCl to control (K). Hormone with dose 1 mL kg–1 was injected on dorsal fin base, with frequency of six times and periode of two weeks. The fish are kept in a 500 liters fiberglass container with a calm water system for 11 months. Fish were fed pellets with protein content of 46% twice daily. The study used a completely randomized design with one treatment factor, the hormone and its combination. Giving hormones with combination, i.e. treatmenth CE and CM was effective to increase the percentage of gonad development with GSI value 0.4161±0.0978% and 0.4161±0.1055%, whilw HSI on CE 0.6456±0.0419% and CM 0.5797±0.1069%  The gonadal histologic observation showed transition pattern and sex change from female to male at treatment M and CM. The MT hormone is able to stimulate masculinization and its performance is more effective when combined with hCG, 90% from sample population. The development of female gonads in the phases of oogonia and male of masculinization result in the phase of spermatogonia.
Evaluation of Suitability Area for Development of Seaweed Culture (Kappaphycus alvarezii) at Lontar village, District Tirtayasa, Serang Yunizar Bagus Dewanto; Saifullah Saifullah; Dodi Hermawan
Jurnal Perikanan dan Kelautan Vol 5, No 2 (2015)
Publisher : JURNAL PERIKANAN DAN KELAUTAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/jpk.v5i2.1064

Abstract

Seaweed has been cultivated with the purpose to meet a demand of market which incrense immediately. One of factors that can determine the success of seaweed culture is the right location to meet requirement for seaweed cultivation. The purpose of this study to analyze physical and chemical parameters in the Lontar village. Determination of station with randomized method that represent the location that includes 5 stations with repetition three times. Measurement of physical and chemical parameters that the brightness of the water, wave height, current velocity, depth, temperature, salinity, pH conducted at research sites. While for nitrate, phosphate and TSS parameter were measured in the analysis laboratory of department of water resources and settlements (DSAP provinsi Banten). Results of testing the physical and chemical parameters in the waters of Lontar village at District Tirtayasa, Serang, in November-December 2014 can be stated suitable to be used as a location for seaweed cultivation Kappaphycus alvarezii. While the test results showed that the suitability of the location of all stations which observed were stated kind and proper to be used as a location for seaweed cultivation Kappaphypus alvarezzi.
Proxymate Analysis, Lead and Total Formaldehyde Contents of Squid Eggs Crackers Denny Syaputra; Eva Prasetiyono
Jurnal Perikanan dan Kelautan Vol 7, No 2 (2017)
Publisher : JURNAL PERIKANAN DAN KELAUTAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/jpk.v7i2.2687

Abstract

Trimethylamine N-oxyde (TMAO) known to be breakdown into formaldehyde (H2CO) in the fish-based product such as squid egg crackers or keritcu under high temperature condition of frying. The oral reference dose (RfD) suggested by the US Environmental Protection Agency (EPA) is 0.2 mg formaldehyde per kg body weight per day. Blood lead level should below 5 µg/dL  to prevent of reducing cognitive function, decreasing of IQ, and academic achievement. We examine the content of total formaldehyde, leads and proxymate analysis of squid egg crackers. in two different products of halal certificated keritcu in Pangkalpinang. Two different products of halal certificated keritcu were selected after 77 students of junior high school (average body weight was 34 kg), and 95 students of senior high school (avereage body weight was 51,65 kg) in Pangkalpinang city were participated in organoleptic test. High-Performance Liquid Chromatography (HPLC) was conducted to the two products of keritcu in Pangkalpinang city to examine its total formaldehyde. Inductively Coupled Plasma Atomic-Optical Emission Spectrometry (ICP-OES) methods was conducted to examine the leads (Pb) content of two different products of keritcu. SNI 01-2891-1992 methods was conducted for proxymate analysis. In two different products of halal certificated keritcu, no formaldehyde content was detected (limit of detection 1,31 mg/kg), as well as no leads content was detected (limit of detection 0,24 mg/kg). Water content 2,38-2,96%, ash 2,71-3,28%, protein 5,7-6,11%, total lipid 24,39-27,29%, and carbohydrate 61,34-63,84%.  Our data show that these two products of keritcu are safe to be consumed by students of junior high school (average body weight was 34 kg) for not more than 5,22 kg keritcu per day, and not more than 7,89 kg keritcu per day for students of senior high school (avereage body weight was 51,65 kg). Leads content of these two products of keritcu (i.e less than 0,24 mg/kg) showed that these products are safe to be consumed.
Coastal Morphological Dynamics of Tangerang Regency Banten and Indah Kapuk Beach Jakarta through Google Earth Imagery Analysis Endan Suwandana
Jurnal Perikanan dan Kelautan Vol 9, No 1 (2019)
Publisher : JURNAL PERIKANAN DAN KELAUTAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/jpk.v9i1.7074

Abstract

Tangerang Regency experienced very high coastal dynamic processes, caused by natural factors (abrasion and accretion) and anthropoligical factor (reclamation). This study aims to determine the latest condition of the Tangerang regency coastal dynamics as well as Pantai Indah Kapuk (PIK) area of Jakarta by using analysis of Google Earth images. The land area changing was calculated through visual interpretation approached by using on-screen digitizing. The applications used are Google Earth Pro 7.1.5.1557 and ArcGIS 10.2. Out of a total of 23 coastal villages, abrasion occurred in almost 20 villages. The highest abrasion phenomenon occurred in Kohod village, Pakuhaji district, with a land area lost of 71.55 ha during the 2004-2019 period. The highest accretion process occured at the estuary of the Cisadane river which was in Tanjungburung village, Teluknaga district. While the highest reclamation activity taken place in the village of Kosambi Timur with the total area of the reclaiming beach reached 56.54 ha. In both villages, Kosambi Timur and Dadap, District of Kosambi, the reclamation did not only occur at sea, but also on land. The area of fishponds that has been reclaimed and converted into the New Urban Zone of Pantura is about 936,78 ha. This is the largest fishpond conversion into a city ever happened in Indonesia. As a comparison, the conversion of aquaculture land to urban land had occurred previously in PIK Jakarta with the area of converted ponds around 678 ha.

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