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INDONESIA
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan
Published by Universitas Riau
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Core Subject : Science,
Earth & Planetary Sciences
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Articles 2,919 Documents
 129   130   131   132   133 
The Fishing Activity on North Seasons in The Village of Batu Limau Ungar Subdistrict Karimun Regency Riau Island Province of Indonesia Andika Irwan; Firman Nugroho; Zulkarnain '
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 4, No 1 (2017): Wisuda Februari Tahun 2017
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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Abstract

This research was conducted in May 2016 in the village of Batu Limau Ungar District of Karimun Regency of Riau Island province. The object of the studies is to decide the activity of the fishing when North Season and find out the causes of the fisherman who fishing and do not to fishing during the Northen Season. The method that used in this research is case study method with qualitative approach. The informant is this research is 8 owner fishermen who used Gumbang and 4 fishermen who used fishing net. That the amount of the imformants in this research were 12 persons.Based on the research the fishing activity in Batu Limau Village when North Season are influenced by the condition of fishing area and type of fishing gear used, then reducing the leGTh time of fishing. Activities that can be carried out by fishermen are making arrests and find another job when you're not looking for fish. The cause of fisherman fishing at the time of the North Season is conditions are decreased, load and dependents they have, and the change of the spread of fish an opportunity to get the catch more fish. While the fishermen who not fishing is the limitation fishing tools, the condition of the fleet to catch inadequate and dangerous the change of the catchment area.Keywords: Activities, Fishermen, North season, Batu Limau, Karimun
Effect of Addition of Protein Fish Concentrates Cork (Channa striata) on Donuts Against Consumer Acceptance Ridho Fadhlil Azmi; Desmelati '; N Ira Sari
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 4, No 2 (2017): Wisuda Oktober Tahun 2017
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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This research was aimed to determine the effect of addition of snakehead fish (Channa striata) protein concentrate on donut so that the correct amount of addition of catfish protein concentrate was obtained on donut processing which preferred by consumers. The methode used in this research was experimental methode, with Completely Randomized Design (CRD) non factorial and 4 levels of treatment i.e., D1 (without addition of catfish protein concentrate), D2 (5% of catfish protein concentrate), D3 (10% of catfish protein concentrate), and D4 (15% of catfish protein concentrate) Parameter in test is acceptance of consumer test organoleptic (appearance, flavor, texture, aroma), and proximate analysis (water, protein, fat, and ash content The result of this research is the addition of 50g fish cork protein concentrate with the value of consumer acceptance to the likes (93.75%), the taste value (97.5%), the texture value (98.75%), and the aroma value (97.5%), With a water content of 21.37%, 9.78% protein content, 19.41% fat content, ash content 8.35%. Keywors: Donuts, KPI cork, donut KPI cork consumer acceptance
ANALYSIS OF MEAT CHEMICAL COMPOSITION AND FISH MEAL FROM SNAKEHEAD FISH (Channa striata) Nadia Mahardika; Rahman Karnila; Edison Edison
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 5 (2018): Edisi 1 Januari s/d Juni 2018
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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ABSTRACT This research was aimed to find out the meat and fish meal proximate composition from snakehead fish (Channa striata). The study consists of 2 stages: 1) Preparation and making of a snakehead fish meal, 2) Proximate analysis of snakehead fish meat and fish meal. The parameter that observed in the stage 1 were the yield of meat and fish meal of snakehead, in the stage 2 were water content, ash content, protein content, fat content, and carbohydrate content (by different). The results showed that snakehead fish meat with a yield 31.41% and snakehead fish meal with a yield 12,46%. Chemical composition that produced from snakehead fish meat were water content 75.35% (gw), ash content 6.89% (dw), protein content 78.38% (dw), and fat content 4.54% (dw). Chemical composition that produced from snakehead fish meal were water content 5.68% (gw), ash content 6.29% (dw), protein content 86.31% (dw), and fat content 5.27% (dw). Keywords: Snakehead Fish, Yield, Chemical Composition Keywords: Snakehead Fish, Yield, Chemical Composition 
PRODUCTION OF BASIC MATERIAL CARRAGEENAN HYDROGEL USING POLYMER BASED POLYVINYL ALCOHOL (PVA) Nurrahmi, Febi; Siregar, Yusni Ikhwan; Fransiska, Dina
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 4, No 1 (2017): Wisuda Februari Tahun 2017
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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Indonesia has a local source of raw materials based on natural polymer hydrogel, ie seaweed the number and type of abundant. One of processed seaweed products of high economic value is carrageenan. Synthesis of carrageenan-based hydrogels prepared from local seaweed is still not widely used. Based on the properties that can proved a cooling effect and moisture of water is also restricted by the hydrogel. This research aims to develop the use of carrageenan from seaweed into a hydrogel wound dressings. The current study analysis further the quality of the resulting hydrogel using κ and τ-carrageenan than the optimal concentration of PVA in producing the hydrogel. Well studied conducted with concentration κ and τ -carrageenan (6:4) 3%, and the addition of PVA polymer concentration formulation (7.5%; 10%; 12.5%; 15%), and irradiated using γ-rays at a dose 15 kGy (dose rate of 2.5 kGy / h). Characterization measured include the value of the ratio swelling, gel fraction and tensile strength. The test results hydrogel formulations with increasing concentration of 12.5% PVA ratio swelling 416.58%, 67.39% gel fraction and tensile strenght of 3.48 kg / cm2.Key words: τ-carrageenan, κ-carrageenan, hydrogels, irradiation, hydrogel, a polymer PVA (Polyvinyl Alcohol)
THE CONDITION AND DISTRIBUTION OF CORAL REEFS IN THE SHALLOW WATERS OF NIRWANA BEACHES SUBDISTRICT OF BUNGUS TELUK KABUNG OF PADANG CITY OF WEST SUMTERA PROVINCE Rivaldi Ananda Dwi Putra; Thamrin '; Yusni Ikhwan Siregar
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 4, No 2 (2017): Wisuda Oktober Tahun 2017
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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Abstract

Nirwana beaches water is well known as recreation and harbor. Such condition apparently brings negative impacts to marine life. Corals are considered as the major component of coral reef ecosystems whose condition is influenced by environmental condition. The aim of this study is to observe the general condition of coral reefs and the distribution of stony corals in Nirwana Beaches. The study was carried out Januari until May 2017 by taking 5 stations. The method used was Line Transect and coral identification using Coral Finder. The result indicates that generally the condition of coral reef was categorized as good condition, the coral cover averaging at 51.66 %. There were 109 organism of corals found, divided into 5 species. The morisita index value of 1.764 indicates that corals are distributed in groups. The highest frequency of occurrence of coral species by Porites. Human activities cause damage to coral reef ecosystems.Keywords: Corals, Coral Cover, Distribution, Nirwana Beaches.
APPLICATION OF LIQUID SMOKE FOR SMOKE FLAVORED FISH (Cryptopterus bicirchis) PROCESSING Ade Novaria Siska; Tjipto Leksono; Edison '
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 4, No 2 (2017): Wisuda Oktober Tahun 2017
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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The research was aimed to determine the good kinds of firewood as smoke liquid material for producing smoke flavored catfish (Cryproterus bicirchis) mostly preferred by consumers. The method used was experimental and composed as completely randomized design (CRD). The treatments were the used of different liquid smoke to produce smoke flavored catfish. The liquid smoke was pyrolyzed from different kinds of firewood, namely: laban wood (Vitex pubescens), rubber wood (Hevea brasiliensis), coconut shell (Cocos nucifera), and coconut fibers. The smoke flavored catfish produced were evaluated for the consumer preference assessed by hedonic test and the characteristic of physico- assessed for the content of moisture, total acid and total fenol, and the value of pH. The results showed that the best kind of firewood used for smoke material of liquid smoke was distilled laban wood because it had the highest score of aroma 7.7, existence 7.7, flavor 7.5, and texture 7.6 but not significantly different to those exposed on coconut shell. It was containing 0.8 ppm of total phenols, 0.4 % of total acid and pH value 6.2. Thus, the diminishing availability of laban wood in the nature could be replaced by the coconut shell as a biomass of agricultural waste.Keywords: coconut shell, Cryproterus bicirchis, laban wood, liquid smoke.
DISTRIBUTION OF CHLOROPHYLL-a CONCENTRATION IN WEST SUMATERA CONNECTED BY THE RESULTS OF TUNA’S ARREST Destuanti, Nia; YulikaSari, T. Ersti; Jhonnerie, Romie
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 4, No 2 (2017): Wisuda Oktober Tahun 2017
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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Abstract

Chlorophyll-a is one of indicator’s level in fertility waters that be found in phytoplankton. The distributed of Chlorophyll-a concentration can be indication that so many fish in the waters. One of potential fishing in Hindia’s ocean, west Sumatera section is Thunnus obesus and Thunnus albacares to identifed the content of Chlorophyll-a can be used aqua MODIS satelite. The goals of this research is to know the distribution of Chlorophyll-a concentration and the effort arrest in spasial and temporal (montly, seasonal, yearly) and then to knew the correlation between effort arrested with Chlorophyll-a data. This research used density’s analysis by used QGIS. The correlation between Chlorophyll-a with effort arrested (CPUE) that can be found from analysis of coefficient correlation for montly periods by the highestvalue r: 0,72 in May with the results both of variabel had powerful correlation and the lowest value r: 0,02 in December with the results both of variabel had weak correlation. The highest of coefficient correlation in seasonal period with r: 0,47 in trantition seasonal as the results both of variabel had medium correlation and the lowest value r: 0,04 in west season as the results both of variabel had weak correlation.Keywords: Hindia’s Ocean, bigeye tuna (Thunnus obesus), yellowfin tuna (Thunnus albacares), chlorophyll-a, Aqua MODIS
STUDY OF HOUSEHOLD POVERTY OF THE FISHERMAN LABORS IN THE VILLAGE OF HALANG MUKA ISLAND KUBU BABUSSALAM DISTRICT ROKAN HILIR REGENCY RIAU PROVINCE Syaputra, Deni; Hendri, Ridar; Nugroho, Firman
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 5 (2018): Edisi 1 Januari s/d Juni 2018
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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 ABSTRACT This research was conducted in April until May 2017 at Halang Muka Island village. The purpose of this study is to find out the level of poverty, describe the condition of poverty, and to provide poverty reduction advice. The research method is using a combination of qualitative and quantitative methods, and using descriptive analysis.The results of this study indicate that the average household of working fishermen is categorized as poor. The causes of fisherman poverty are: (1) low fishery production (2) low fisherman household income, (3) alternative employment less (4) limited capital (5) low education level, (6) fishermen still dependent on ship owner, 7) A large family load and (8) wasteful consumption patterns. The Rokan Hilir Government's efforts to combat fishing communities include fishing equipment, such as ships, nets and from central government such as Bantuan Langsung Tunai, Beras Sejahtera, Asuransi Nelayan and Pengembangan Usaha Mina Perikanan. In the implementation of the aid is still loaded with nepotism so that the aid target is not accurate. Implications of mitigation that can be done are: (1) Improve knowledge of fishermen community with socialization and training, (2) Guidance from professional fisheries extension workers, (3) growth and development of Kelompok Usaha Bersama (4) Facilitate fishermen access to capital, (5) Creating alternative business and (5) Increasing participation of wife of fisherman to household income. Keywords: Fisherman, Cause of Poverty, Poverty Alleviation, Halang Muka Island.
The Effect of space planting on Growth of Mangrove (Avicennia marina) Seedlings in The Anak Setatah Village, West Rangsang District Meranti Archipelago Riau Province Ari yanto rama doni; Syafruddin Nasution; Feliatra '
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 4, No 1 (2017): Wisuda Februari Tahun 2017
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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This research was conducted in Febuary - April 2016 at Anak Setatah Village, West Rangsang District Meranti Archipelagos Riau Province. This study aims to determine the effect of spacing on seedling height, survival rateand leave number of A. marina. The method used was experiment method. Planting space treatment were 25, 50 and 75 cm. The result for 60 days of observation show that the best space in high found in plant spacing 75 cm with a value of 26,04 cm/60 days, and the best growth for diameter was at space of 25 cm, with a stem diameter growth of 0.41 cm/60 days. The highest number of leaves in a spacing of 75 cm. The Anova test results that spasing planting given effect to height grow, stem diameter, and total number of leafs A. marina. Student- Newman- Keuls test show that treatment 25 cm is diffirent with 50 cm, and 75 cm, but treatment 50 cm is not diffirent with 75cm.Keywords: Avicennia marina, growth, and planting space.
The Influence of Additional Red Spinach Flour (Amaranthus hypocondriacus) In Made Feed of Color Quality to Goldfish. Ramadoni Saputra; Mulyadi '; Rusliadi '
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 4, No 2 (2017): Wisuda Oktober Tahun 2017
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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The study was conducted from 1st of April to 10th May 2017. The research to do cultivation technology faculty of fisheries and marine University of Riau, Pekanbaru. The aim of the research is to know about the dose of additional red spinach flour in made feed that aims to enhance color quality to goldfish. This research used experimental method completely randomized design, with 5 level of treatments and 3 replications. The addition were given by P0 pelet FF-999 (control), P1(red spinach flour 2%), P2(red spinach flour 3%), P3 (red spinach flour 4%), P4 (red spinach flour 5%). Maintenance container that used of 60x40x40 cm, aquarium size with water volume of 60 liter with recirculation system. The used of fish as many as 15 tails/basin. The given of food to fish of 3 replication with ad satiation. The measurement of fish color with the growth of sampling done at the beginning, middle, and at the end. Whereas to success of life calculated in begin and ending researd. Parameter of water quality the measured temperature pH, DO, ammonia of measured begin and at the end. The result research showed that the additional red spinach flour in the feed the given influence to the color of change of godfish with 9,81 color gradiation. 2,51 cm absolute length accretion, 6,29 gram absolute weight accretion, the best of succer of life to treatment P2 and P4 of 100%.Keywords: goldfish, change of color, growth of fish, maintenance

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