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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
 122   123   124   125   126 
THE STUDY OF CURRENT PATTERN, TIDES AND WAVES ON THE BEACHES VILLAGE PANGKE VILLAGERS MERAL KARIMUN DISTRICT RIAU ARCHIPELAGO PROVINCE Sherly Ayunarita; Elizal '; Musrifin Ghalib
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 conducted from February to March 2017 in Pelawan Beach of Riau Archipelago Province which aims to study the pattern of current, tides and wave characteristics of Pelawan Beach. The method used in this research was survey method. Determination of stations for data collection, in 3 stations with 3 sampling points. The results showed that the mean of current speed at high tide was 0,48 m/sec (Southeast and East) and mean of current speed at low tide 0,46 m/sec (West and Northwest). The tide in this area is mixed tide type with dominant of semi-diurnal, which occurs twice of high tide and twice of low tide in a day. Characteristics of the waves ( height, period, length and slope) is plunging and formed beach type. The depth of the waters is sloping and shallow, ranges from 1,1 to 2,0 m. Current and wave conditions in Pelawan Beach waters are safe for coastal activity around Pelawan Beach.Keywords : Current, Tides, Wave, Pelawan Beach
THE FACTORS THAT INFLUENCE DEMAND PERSONAL CONSUMERS PLEASE ( MYSTACOLEUCUS PADANGENSIS) IN OMBILIN MARKET SINGKARAK SUBDISTRICT DATAR WEST SUMATERA PROVINCE Putri, Dila Kartika; Bathara, Lamun; Hamid, Hamdi Hamid
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 2017 located in Ombilin Singkarak Mareket, Rambatan District, Tanah datar Regency, West Sumatera Province. This study is appropriate for request of Bilih fish and to know the factors – factors that affect the demand of fish Bilih in Ombilin Market. The method used in this study is a survey method, where the determination of respondents to traders and consumers using the method of accidental sampling.            The result of the research shows that the demand of Bilih fish when the Bilih fish production is decreasing and the demand is increasing so the Bilih fish price is increasing due to the decreasing production. With the transition state of fish consumers. Factors – factors that effect demand Bilih fish in Ombilin Singkarak market that is equal to 99,6 %. Of 99,6 % factors that greatly affect the demand of Bilih fish in Ombilin Singkarak Market is the variable price of income (X4) of 0,000 namely Turiak fish (X3) of 0.142, Selera (D1) of 0.431 and time (D2) of 0.204 The effectiveness of Bilih fish demand in Ombilin Market is 99,6 % while the remaining 0,4 % ( 100% - 0,6%) not owned by the linear regression model.Keywords :Factors Affecting Consumer Demand, Bilih Fish, Ombilin Market
STUDY ON CONSTRUCTION OF BOAT LIFT NET 30 GT IN SIBOLGA FISHING PORT PONDOK BATU DISTRICT NORTH SUMATRA Sagala, Ivanson; ', Isnaniah; Syofyan, Irwandy
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 4, No 1 (2017): Wisuda Februari Tahun 2017
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This study was conducted on 09-23 May 2016 is located in Sibolga Fishing Port. The purpose of this study to collect information on the construction of boat lift net. The method used was survey and observation. Observed object is boat lift net used on vessels 30 GT. Data collection was performed by means of measurements on sample.The results of the research indicated that the construction of boat lift net used in PPN Sibolga consists of importants components of boat, frame lift net, house boat lift net, pole line, wire, webbing, rope, lamp and instrumentation. Differences were found on a boat lift net in PPN Sibolga is not having leeboard.Keywords: Construction of Fishing Gear, Boat lift net, Sibolga Fishing Port
Abundance Moina sp. Given The Mixed Fish Meal, Soybean Meal and Bran With Different Concentration Febriyanto, Andi; Hasibuan, Saberina; Pamukas, Niken Ayu
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 conducted on June to July 2016 in BPBAT Jambi. The purpose of this studi to determine the abundance of Moina sp. in artificial media with different concentrations of organic matter. The method used by the experimental method completely randomized (RAL) with four treatments and three replications. Treatment with giving fish meal, soy meal and bran as media results show the highest abundance population Moina sp. and the best gift weir Giving fish meal (0.15 g) + soy meal (0.15g) + bran (0.3g) with an average abundance of 403 ind/L. Water quality during the study showed a good range for growth Moina sp. namely pH 7.01 - 8.29, Dissolved Oxygen 4.21 - 6.80 mg/L, the water temperature from 26.9 - 28.9 °C and NH3 of 0.023 - 0.21 mg/L.Keyword: Moina sp. phytoplankton and organic materials
THE SOCIAL SECURITY OF DUANO COMMUNITY PANGLIMA RAJA VILLAGE INDRAGIRI HILIR REGENCY RIAU PROVINCE Rilanda, Suci; Nugroho, Firman; Amrifo, Viktor
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 4, No 2 (2017): Wisuda Oktober Tahun 2017
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Poverty is always there in human life, thus requiring a comprehensive preventionefforts, integral and sustainable. Crisis and economic uncertainty make socialsecurity mechanism to maintain economic survivalitas fishing communities is veryimportant. Indragiri Hilir Regency Community of Duano that there is a social reality,Community of Duano Society is included in an isolated environment. People ofIndragiri Hilir more familiar Community of Duano as “the sea” which calls used bythe Malays to the people or communities who lives in the boat or live in costal sea,strait, and estuaries, livelihood as fisherman fishing, shrimp and shells. This studyaimed to identify the forms of social security whatever there is in the community ofDuano. Analyze the social security mechanisms that exist in the community ofDuano. The method used in this research is qualitative research methods in theimplementation of this study used a qualitative descriptive approach. Data obtaineddirectly from informants who work as fishermen in Community of Duano throughinterviews. The results showed the from of social security in the Community ofDuano (1) social security education (2) social security health (3) social security foodand clothing (4) social security work and enterprise (5) social security housing (6)social security old-age (7) social security as an orphan and family benefits. Sosicalsecurity mechanisms that exist in communities of Duano (1) formal social security(2) informal social security.Keywords: Analysis, Social Security, Community Tribal Duano
JENIS BIVALVA DI SUNGAI KAMPAR KANAN KELURAHAN AIR TIRIS KECAMATAN KAMPAR KABUPATEN KAMPAR Wilda Mardiyah; Nur El Fajri; M Fauzi
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 4, No 2 (2017): Wisuda Oktober Tahun 2017
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In the Kampar Kanan River there are activities that affect the water quality in general and affect the abundance bivalve. To understand the abundance of bivalve in that river, a study has been conducted in February to March 2017. Parameters meansured were types and abundance of bivalve, temperature, depth, turbidity, current speed, pH, dissolved oxygen, nitrate and phosphate concentration. Relationship between bivalve abundance and organic material content was analyzed using a simple linear regression. Result shown that there were 5 bivalve spesies present, namely Anadonta woodiana (11/m2), Corbicula moltkiana (33/m2), Hyriopsis sp (4/m2), Pilsbryconcha exilis (10/m2) and Rectidens sp (3/m2). Consentration of organic material content in the sediment was 7.07 – 24.35%. There was strong relationship between bivalve abundance and organic material content (99.18%).Keywords: Bivalve, Kampar Kanan River, Organic Matter, Sedimentary Fraction
THE EFFECT OF SUBSTITUTION AND COMBINATIONOF FEED ON THE GROWTH AND SURVIVAL RATE OF GOLD FISH LARVAE (CARASSIUS AURATUS) Abdillah Pratama; Hamdan Alawi; Netti Aryani
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 5 (2018): Edisi 1 Januari s/d Juni 2018
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                                                     Abstract            The effect of substitution and combination of feed on the growth and survival rate of gold fish larvae (Carassius auratus) was conducted on May to June 2017 in the Laboratory of Fish Hatchery and Breeding Faculty of Fisheries and Marine Sciences, University of Riau.The larvae were reared in 15 liters aquarium at stocking density 2 larvae/liter. A completely randomized design (CRD) with 5 treatments, 3 replication was used evauate the kind of feed given to the larvae. The treatment were P1 (Artemia nauplii 30 days), P2 (Artemia nauplii 10 days+Tubifex sp 10 days+Shrimp pellet 10 days), P3 (Artemia nauplii 10 days+Shrimp pellet 10 days+Tubifex sp 10 days), P4 (Tubifex sp 30 days), P5 (Shrimp pellet 30 days). Results showed that larvae fed with Tubifex sp  can be substituted by Artemia nauplii as first feeding for rearing comet gold fish larvae for 30 days. The growth of fish comet larvae feed Tubifex sp significantly higher thaan those fed with shrimp pellet and artemia nauplii. The growth of comet larvae fed with Tubifex sp was 0,73 g (weight), 3,33 cm (length), 17,2 %/days (specific growth rate) 80 % (survival rate). The best combination of feeding was 10 days artemia nauplii + 10 days shrimp pellet + 10 days Tubifex sp. The water quality parameters during this research were: temperature 25-28oC, pH 5-7, dissolved oxygen 4,1-5,9 mg/l.Key words: Substitution,combination of feed, (Carassius auratus), growth, and survival
APPLICATION OF GEOGRAPHIC INFORMATION SYSTEMS IN THE DETERMINATION OF POTENTIAL OF FISH IN THE WATERS ROKAN HILIR RIAU PROVINCE Muhamar Ali; T. Ersti Yulika Sari; Usman '
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 4, No 1 (2017): Wisuda Februari Tahun 2017
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This research was conducted in October 2015 at the Indonesian Institute of Sciences. This research was conducted in two phases: the first phase is data collection in the field in October 2012, while the second stage is, data downloading and processing satellite image data Aqua MODIS conducted at the Laboratory of Remote Sensing Science Institute Indonesia North Jakarta Month October 2015 .the purpose of this study to present data information map of potential areas of fish in the territorial waters of RokanHilir And to see the changes from year to year in the same area. With the method of spatial analysis, field survey and GIS methods. Potential areas of fish are at 02° 24 'N - 100° 45' E, 02° 20'LU - 101° 19 'E, 02° 10' N - 101° 48 'E, 01° 49'LU - 102° 07' east longitudeKeyword :  GIS, Potential areas of fish, waters of RokanHilir
THE CONDITION OF MAIN FACILITY IN THE VILLAGE OF FISH MARKETING PAKNINGASAL BUKITBATU DISTRICT OF BENGKALIS REGENCY IN RIAU PROVINCE Alpin Septiyan Harahap; Jonny Zain; Ronald M. Hutauruk
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 4, No 2 (2017): Wisuda Oktober Tahun 2017
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This study was conducted in December 2016 in the village Pakningasal Bukitbatu District of Bengkalis in Riau province. The purpose of this study was to determine the conditions under which the basic amenities harbor dock and pool required by the fishermen in the village of Fish Marketing Sites Pakningasal. The method used in this study is a survey method that is by direct observation and collect information about the basic amenities and activities at The Village Fish Marketing Pakningasal. From the results of research conducted marketing place has 10 units fish-shaped pier jetty.The dock has a respective length of 3-7 m and has a height also varies between of 1 - 1.5 m from the seabed to the construction made of wood with a width of from 0.3 to 0.6 m. While the existing harbor pool area at The Village Fish Marketing Pakningasal not have enough wide and shallow. Extensive pool of currently available port is ± 800 m2 with a depth varying port basin.Keywords: Condition, Pier, Harbor Swimming
ANTAGONISM HETEROTROPHIC BACTERIA ISOLATED FROM ESTUARY OF SIAK RIVER AND SETTLED SEA OF SIAK REGENCY AGAINST PATHOGENIC BACTERIA Andrei Putra Zirma; Feliatra Feliatra; Nursyirwani Nursyirwani
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 5 (2018): Edisi 1 Januari s/d Juni 2018
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   Heterotrophic bacteria is bacteria that use organic substances as its nutrition sources. Organic substances are obtained from the rest of other organisms, waste or substances contained in the body of other organisms. This study aims to determine the activity of heterotrophic bacteria against pathogenic bacteria (Vibrio alginolyticus, Aeromonas hydrophila and Pseudomonas sp.). Total amount of bacteria at station 1 was higher than station 2, those were 2.3 x 107 cfu / ml at station 1 and 1.8 x 107 cfu / ml at station 2. Statistical analysis using the simple linear regresion indicated that the correlation between the growth of heterotrophic bacteria on environmental parameters (DO, pH, temperature and salinity) was very weak of wich correlation value(r) was 0.20  for all parameters. Antagonism test against pathogenic bacteria found that there were 8 bacterial isolates wich potentially inhibited the growth of the three pathogenic bacteria, the isolates were A11, A12, A14, A19, A21, A22, A23 and A25 with the inhibition zone ranges 4,8 - 14,5 mm. From the DNA sequences with 16S rDNA method and BLAST analysis, the bacteria isolates were identified asKerstersia gyiorum, Kerstersia sp.,Enterococcus sp. and three isolates was unidentified possibly due to these species hadnot registered in GenBank or had never been identified beforeKey words: Heterotrophic Bacteria, Antagonism, Estuary, 16s rDNA

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