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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
 182   183   184   185   186 
The Analysis Of Enlargement Business African Catfish (Clarias gariepinus) in Cages on Sleeping Land in The Lembah Sari Village Rumbai Pesisir Sub-District Pekanbaru City Riau Province Damayanti, Veronica Amalia; Yulinda, Eni; Arief, Hazmi
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 6 (2019): Edisi 1 Januari s/d Juni 2019
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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ABSTRACT             This research was conducted in May 2018 in Lembah Sari Village Rumbai Pesisir Sub-District Pekanbaru City Riau Province. The purpose of  this research is (1) find out the magnitude of investment costs, (2) revenue, profit and (3) the feasibility business of enlargement African catfish in cages on sleeping land. Method used in this research is survey method.  African catfish enlargement business in Lembah Sari village has 3 scale enterprises are small, medium and large. Where the average value of small scale investment is IDR 27.361.095, medium scale IDR 34.593.675 and large scale IDR 99.733.280. The average revenue obtained on a small scale is IDR 128.780.800 with an average profit of  IDR 43.994.650/year, medium scale is IDR 170.556.800 with an average profit of IDR 58.905.290/year and large scale is IDR 537.294.400 with an average profit of IDR 200.357.475/year. The result of feasibility analysis obtained is the average RCR value of small scale 1,50, medium scale 1,52 and large scale 1,57. The average FRR value of small scale is 51,50%, medium scale 53,49% and large scale 56,22%. The average PPC value of small scale is 1,97 period, medium scale 1,87 period and large scale 1,83 period.Keywords : Enlargement Lele, The Business Analysis, Lembah Sari Village
THE DIFFERENCES CATCHING DRIFT BOTTOM GILLNET IN THE AFTERNOON AND NIGHT AT TELUK PAMBANG VILLAGE OF BANTAN SUBDISTRICT OF BENGKALIS DISTRICT OF RIAU PROVINCE Khairul Fadhli; Pareng Rengi; Syaifuddin Syaifuddin
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 6 (2019): Edisi 1 Januari s/d Juni 2019
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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ABSTRACTThis research was conducted on March-April 2018  in Teluk Pambang village of Bantan Subdistrict of Bengkalis District of Riau Province. The purpose of this study was to determined differences drift gillnet catches according of day to the operational. This resech used a survey method. The night catches bigger then day light catches in respectively total catches is 366 kg (77 fish) and 230,9 kg (51 fish).The calculation of t test there are differences in the bottom gillnet catches the day light and at night. Keyword : Bottom gillnet, catches in afternoon and at night
TECHNICAL ANALYSIS AND BUSINESS FEASIBILITY OF WAVE FISHING GEAR IN THE INSULAR VILLAGE OF THE HIGH WESTERN CLIFFS OF THE MERANTI ISLANDS OF RIAU PROVINCE Pribadi, Tri Suci; Brown, Arthur; Rengi, Pareng
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 6 (2019): Edisi 1 Januari s/d Juni 2019
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ABSTRACT  This research was conducted in July-August 2018 in the village of Insit, Tebing Tinggi Barat District, Meranti Islands, Riau Province. The objectives of this research are (1) to know the technical analysis of the operation of wave fishing gear, (2) to find out the feasibility of a wave fishery business. The method used in this study is a direct survey method by making observations to the field by looking at fishing activities using wave fishing devices. Data collection was carried out by going directly to the field by making arrests and interviewing the fishermen on the wave.Gombang capture technology influenced several factors that is tidal factor, current velocity, water depth and weather. The results of the business feasibility analysis calculations indicate that fisheries gombang provide benefits to fishermen and deserves to be developed because of the value of BCR (Benefit Cost Ratio) is obtained at 1.8, FRR (Financial Rate of Return) is 34%. and PPC (Payback Period of Capital) is 2 years and 9 month and 15 days. Keywords :Gombang, Technology, Business Feasibility, Desa Insit 
Comparative study on histological structure of gill of Silver Sharkminnow fish (Osteochilus hasselti C.V)from the Tarai and Sibam Rivers Riau Province Hutajulu, Magdalena Dwiyani; Efizon, Deni; Putra, Ridwan Manda
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 6 (2019): Edisi 1 Januari s/d Juni 2019
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ABSTRACT             Osteochillus hasselti is present in the Tarai River that has relatively good water quality, as well as in the Sibam River that has polluted water. The water condition of the rivers my affects the fish health status in general. A study aimed to understand the histological structure of gill of the fish from those rivershas been conducted from February to April 2018. Fish organs were histologically processed and stained (HE). Results shown that in general, the histological structure of the gill of fish from both areas shown abnormality. Cell abnormality such as hyperplasia, oedema, hypertrophy, curling of the secondary lamella, and telangiectasis are present in all fish. The Histopathological Alteration Index (HAI) values, however shown that the  Tarai fish gill was better than that of the Sibam fish, they were 1.44 and 23.77 respectively.Keywords:gill condition, fish organ, Histopathological Alteration Index , gill abnormality
Reproductive biology of (Anabas testudineus Bloch) living in the swamp area in the Sawah Village, Kampar District, Riau Province. Nora Oktavia Simanjuntak; Ridwan Manda Putra; Windarti Windarti
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 6 (2019): Edisi 1 Januari s/d Juni 2019
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Abstract Climbing perch (Anabas testudineus) is one of freshwater fish living in the swamp area in the Sawah Village. Information on the biological aspect of this fish, however, is limited. A study aims to understand the reproductive biological aspect of this fish has been conducted from March-April 2018. The fish was sampled once/week for a month period. They were 100 fishes, 36 males and 64 females. Sex ratio of females and males was 1:2.2. In each sampling time there were male fishesin 1st, 2nd, and 3rd while female fishes 1st, 2nd, 3rd and 4th maturity level. The gonado somatic index (GSI) in males were around 0.12-3.33% and females were around 0.68-10.23%.The female’s fecundity were arround 20,193-28,500 eggs/fish, and mature egg diameter ranged from 0.4-0.7 mm.Keywords : Climbing perch, Sex ratio, gonad maturity level, GSI, 
DENTIFICATION OF ENVIRONMNTALLY FISHING GEARS OPERATING IN SINGKARAK LAKE OF SUMATERA BARATPROVINCE Anggun Anggraini; Pareng Rengi; Usman Usman
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 6 (2019): Edisi 1 Januari s/d Juni 2019
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ABSTRACT The study was conducted in July – August 2018  in Singkarak Lake of Sumatera Barat  Province. This study aims to(1) identifiy the environmentally friendly fishing gearsin accordance with the FAO (1995),(2) know the fishing gear that has highest level of environmental friendliness. The method used is the survey method is with direct observation in the field and conducting interview with fishermen, Collecting data using a questionnaire and analyzed using descriptive analysis of the results of the research described in graphic form, and tables. Based on field observations in the know that fishing gear used by fishermen in lake Singkarak is classified as a very enviromental friendly and eviromental friendly fishing gear and not eviromental friendlyfishing gear. The results of this research showed that fishing rod, gillnet, cast netare a very enviromental friendly fishing gear, while lift net are an enviromental friendly fishing gear and fish trap not are an enviromental friendly fishing gear. Keywords :Identification,CCRF,Fishing gears, FAO, environmentally friendly 
The Composition and The Maturity Level of The beach seine’s catches Based on the Construction’s Aspect at the Pasir Putih Beach, District of South Bungus,Teluk Kabung,Padang, West Sumatra. Muhammad Rifqi; Nofrizal Nofrizal; Usman Usman
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 6 (2019): Edisi 1 Januari s/d Juni 2019
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ABSTRACT Thisresearchwasconducted inAugust2018 atPasirPutihBeach,DistrictofSouthBungus,TelukKabung,Padang,WestSumatra.Thepurposeofthisstudyistofindoutthecompositionandthematuritylevelofthebeachseine’scatches.Themethod in this research is survey’s method with Data analysis based on the analysis of the composition and the level of maturity of the catch.Basedonthisresearch,therewere10speciesofcatchessuchas:Stolephorussp, Leiognathusdussumieri, Upeneusmoiluccensi,Mastigoteuthisflammea, Xiphias gadius, Mene maculata, Nemitarus nematophorus, Caranxignobilis,Selaruides leptolepis and Geres punctatus. There were 142 species of fish that were observed in the Gonad maturity level which 89 species of them are male and 53 of them are female.Keyword:beach seine, composition of catc, maturity level
Study of the Potential of Marine Ecotourism on the Siantan Island of Anambas Regency of Riau Islands Province Hendra Kharisma; Joko Samiaji; Dessy Yoswaty
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 6 (2019): Edisi 1 Januari s/d Juni 2019
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ABSTRACT This research was conducted in July - August 2018 in the Siantan Island ofAnambas Islands Regency Riau Islands Province.Aim to (1) Know the potential of maritime ecotourism on the island of Siantan, Anambas Islands Regency (2) the strategy of developing maritime ecotourism in the Anambas Islands Regency. The method used in this research was survey method and purposive sampling.Data collected include the selection of respondents, identification of tourist activities and measurement of water quality.The analysis used in this study was an analysis of aspects of supporting marine tourism, tourism suitability analysis, analysis of the economic potential of marine ecotourism, and SWOT analysis.The results of this study indicated that Siantan Island has the potential to be developed as a marine ecotourism area, with the category S1 (Very Appropriate) with tourist suitability index value at station I (87.17%) and II (83.33%).These results indicate that Siantan Island has potential natural resources. The results of the SWOT analysis showed several alternative management strategies that appropriate for the development of marine ecotourism on Siantan Island. The results of the SWOT analysis show several alternative management strategies that  appropriate for the development of marine ecotourism on Siantan Island, the analysis consists of three priorities, namely: 1) Spatial and regional arrangement by establishing a zoning system for marine tourism activities, community activities and management of the coastal environment, 2) Improvement of transportation to tourist sites to make it easier for tourists to come to Siantan Island, 3) improvement of facilities and infrastructure for marine tourism activities.Keywords: Marine Ecotourism, RegionalPotentiaL, Siantan Island
Morphometric, Meristic, and Growth Patterns of Ompok hypophthalmus Bleekerfrom the Tarai River, Tarai Bangun Village,Tambang Sub-Regency, Kampar Regency, Riau Province Nurhasana Nurhasana; Windarti Windarti; Deni Efizon
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 6 (2019): Edisi 1 Januari s/d Juni 2019
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AbstractOmpok hypophthalmus is freshwater fish that inhabit the Tarai River. That fish has high economic value, and it is more than Rp 60.000/kg. Information on biological aspects of this fish, including morphometric, meristic, and growth patterns, however, is rare. To understand the morphometrical, meristical characteristics and growth pattern of this fish, a research had been conducted from April-June 2018. There were 78 fishes(183-56 mm SL dan 45,32-1.23 gr BW) captured from the river. There were 25 morphological characteristics measured and 6 meristical characteristics counted. There were 7 morphometrical characteristic differences between male and female. In female fish, distance between ventral fin to the base of anal fin, height of dorsal fin, distance anal fin to the base of caudal fin, height ventral fin, and length of base caudal finare longer than those of the male, but male has longer distance mouth to the eye, and length of pectoral fin than female.The meristical characteristics were as follows: D.4, P.I.13-15, V.6-8, A.63-82, C.17-19. The length-weight relationship shown that the growth of male and female was isometric. Keywords:Sheatfish, Isometric, Morphological Characteristics, Meristical      Characteristic
THE ABUNDANCE OF POISONOUS BENTHIC DINOFLAGELLATE IN SEAWEED Sargassum sp IN MALANG RAPAT WATERS BINTAN REGENCY RIAU ISLANDS PROVINCE Dilla Andini; Irvina Nurrachmi; Yusni Ikhwan Siregar
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 6 (2019): Edisi 1 Januari s/d Juni 2019
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ABSTRACT Dinoflagellates are phytoplankton which, besides being planktonic, are also benthic which live in association with seagrasses, macroalgae, coral fractures and sand. Dinoflagellates acts as a primary producer in waters. This research was carried out in Mei 2018 in the waters of Malang Rapat Village, Bintan Regency, Riau Islands Province. This study aims to determine the concentration of nitrates and phosphates in the waters, to find out the abundance of toxic benthic dinoflagellates on Sargassum sp seaweed and to see the relationship of nitrate and phosphate concentrations with the abundance of toxic benthic dinoflagellates. The research method used is a survey method in which the sampling location is determined by purposive sampling. Measurements of water quality were carried out directly in place and further research in laboratory which consisting of physical and chemical parameters of the waters. In the study found 3 genus of toxic dinoflagelates, namely Prorocentrum, Gambierdiscus and Ostreopsis. The highest dinoflagellate abundance at station 3 was 302,279 cells/g and the lowest at station 4 was 133,529 cells/g. The results of simple linear regression analysis between nitrate concentration has a positive relationship to dinoflagellate abundance with the regression equation y = 187.4 + 317.8 x and the results of simple linear regression analysis between phosphate concentration have a negative relationship to the abundance of dinoflagellates with the regression equation y = 207 , 5 -206,3 x. Key Word : Dinoflagellate, Sargassum sp, Abundance, Malang Rapat 

Page 184 of 292 | Total Record : 2919

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