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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
 132   133   134   135   136 
ANALYSIS OF THE POTENTIAL OF COASTAL WATERS FOR MARINE ECOTOURISM DEVELOPMENT IN PENYENGAT ISLAND RIAU ISLAND PROVINCE Jung jung Maranata; Dessy Yoswaty; Afrizal Tanjung
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               Ecotourism tourism is related to nature related to the knowledge and understanding of the natural environment and managed by the principles of sustainable development. This research was conducted in September - November 2017 at Penyengat Island, City of Tanjung Pinang, Riau Island Province. The study aims to determine the potential of marine ecotourism and aspects of the strength of Penyengat Island to be developed as a marine ecotourism area. The method used in this research is survey method and station point determination by purposive sampling. Value The results of the calculation of the value of the index the suitability of the Tour amounted to 80,77% (Station I), 80.77% (Station II), 82.69% (Station III), and 80.13% (Station IV). Assessment of strengths, weaknesses, opportunities, and threats, the development of Penyengat Island coastal potential was assessed from observations at research sites, interviews and questionnaires.             Penyengat Island has the potential as a marine ecotourism area such as the beauty of nature, mangrove forests, seagrass, coral reefs, and distinctive marine biota. The development of Marine Tourism in Penyengat island can be done with 1) The arrangement of the area by forming a system of zoning for marine tourism activities and the activities done by the society on the activity of the ecotourism beach and the management of the coastal environment, 2) improve the promotion of national and international scale; and 3) The preparation of spatial planning or zoning access with a variety of related institutions and local communities.Keywords: Potential, Marine Ecotourism, SWOT Analysis, Penyengat Island
SENSITIVITY OF HENNA LEAVE (Lawsonia inermis L.) SOLUTION TOWARD Aeromonas hydrophila Mazdalifah Lubis; Morina Riauwaty; Iesje Lukistyowati
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 4, No 1 (2017): Wisuda Februari Tahun 2017
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Research was conducted from Juni to October 2016, at the labory Examination of Fish Disease, Fisheries and Marine Sciences Faculty of Riau University. The Purpose of this study was to determine the sensitivity of henna leave (L. inermis) as antimicrobial to A. hydrophila, the range of Minimal Inhibitory Concentration (MIC) and the lethal dose (LD50) henna leave (L. inermis) solution against to catfish (Pangasius hypopthalmus) (7-9 cm) by immersion. The research method used doses K : Control (Novobiocin); D1: 100% (10000 ppm); D2: 90% (9000 ppm); D3: 80% (8000 ppm); D4: 70% (7000 ppm); D5: 60% (6000 ppm); D6: 50% (5000 ppm); D7: 40% (4000 ppm); D8: 30% (3000 ppm); D9: 20% (2000 ppm) dan D10: 10% (1000 ppm). The result showed that henna leave solution was effectively to inhibit A. hydrophila bacteri at dose 60% (6000 ppm) with clear zone 9.22 mm and number of colonies 111.00 x 108 cfu/mL. LD50 test was obtained in the dose 5727 ppm among 24 hours.Key words: Henna Leave, Aeromonas hydrophila, antimicrobial, LD50
Relationship Between Number of Vibrio sp in Sediment and in Blood Cockle (Anadara granosa) in the Coastal Waters of Bina Maju Village Kepulauan Meranti District Yahya Benardus Sihombing; Nursyirwani '; Efriyeldi '
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 4, No 2 (2017): Wisuda Oktober Tahun 2017
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This research aimed to find relationship between numbers of Vibrio sp in sediment and in blood cockle. This research was conducted from March until May 2017. Survey method was used in this research. The data was analyzed descriptively and statistically using simple linear regression. The highest average log number of Vibrio sp in sediment was find at sampling point 2 (7.9033 CFU/g) and the lowest was at sampling point 4 (7.3187 CFU/g). Meanwhile in blood cockle the highest Vibrio number was at sampling point 3 (7.6889 CFU/g) and the lowest was at sampling point 1 (6.3411 CFU/g). Simple linear regression indicated the r value (correlation coefficient) was 0.31, showed was low which meant that the relationship between number of Vibrio sp in sediment and in blood cockle.Key words: Relationship, Vibrio sp, Sediment, Blood Cockle, Coastal waters
STUDY OF THE CHANGE PA (Polyethylene) NET YARN IMMERSION IN SEA WATER AND FRESH WATER Rika Fina Armita; Isnaniah Isnaniah; Jonny Zain
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 4, No 2 (2017): Wisuda Oktober Tahun 2017
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                                             ABSTRACT This research was conducted in April 5 to May 15, 2017in Laboratory of Fishing Gear Material of Aquatic Resources Faculty of Fisheries and Marine University of Riau, Pekanbaru. The purpose of this research is to know how long the fishing gear of PE (Polyethylene) net yarn can be used in the waters. The method used in this research is the experimental method, the result data for changes of the length net yarn is processed using the formula according with SNI 08-0889-1989 and then analyzed by using T-test. From the results of research undertaken according to SNI 08-0889-1989 that the PE threads changed the length of the net yarn after soaking in sea water and fresh water. Long change of net yarn soaked in seawater and fresh water changes on day 40 and day 50, while the net threads of unhesitized PE do not change the length of the net yarn on the 10th day until the 50th day. Meanwhile, if seen from statistical analysis by using T test comparison of PE threads soaked in sea water and fresh water on the 10th day until the 30th day has the value of Ho accepted because there is no difference in yarn length change, whereas on day 40 and day The 50th Ho is rejected due to differences in the length of the yarn change. Keywords: Changes Of Net Yarn, Sea Waters, Fresh Water.
NITRATES AND PHOSPHATES CONTENT IN THE WATER AND SEDIMENT IN SEAGRASS ECOSYSTEM IN THE NORTH OF COASTAL AREA OF RUPAT SUB DISTRIC BENGKALIS RIAU Sitorus, Tiroy; ', Zulkifli; ', Efriyeldi
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 take place in north Rupat island beach, Bengkalis regency Riau province on January 2016. The purpose of this research is to find out the contents of nitrate and phosphate in the water of seagrass ecosystem in north Rupat island and to find out the contents of nitrate and phosphate in the sediment of seagrass ecosystem in north Rupat island as well as to find out the difference of nitrate and phosphate contents in the water and sediment between station. The parameter that have been observed is the physics and chemist of water parameter. Transect squares device was use to calculated the density. While to determine nitrate and phosphate in the water leads to Saeni and Latifah in Sanggam, 2008 and to determine nitrate and phosphate in sediment leads to Siaka et al., 1998. Base on research result the average content of nitrate in the water is 0.2264-0.2417 mg/L, and in the sediment 0.1347-0,.5319 mg/L. While the average content of phosphate in the water was 0.1991-0.2433 mg/L, and in the sediment 0.2507-0.3872 mg/L. The density of seagrass on each station in north Rupat island beach was about 23.66-154.66 stands/m2. From the result of this research we found from the t test result, the significant differences of content of nitrate and phosphate in water an cediment show that the differences is not significant, show that the condition of north coatsal of Rupat island is water that has midlle level of pressure and polution.Keywords: density of seagrass, Nitrate, Phosphate, Water, Sediment, Seagrass Ecosystems, North Shore Rupat Island, Riau Province
THE EFFECT hCG (human Chorionic Gonadotropin) TO OVULATION AND HATCHING OF FISH EGGS Martiani Harianja; Sukendi '; Nuraini '
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 4, No 2 (2017): Wisuda Oktober Tahun 2017
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This research was conducted for 30 days, from 20 Januari to 19 Maret 2017 at the Laboratory of Fish Hatchery and Breeding, Faculty of Fisheries and Marine Science, University Of Riau, The Purpose of his study was to research the effect of the hCG (human Chorionic Gonadotropin) dose on ovulation eggs, eggs diameter, and hatching fish eggs. The method used in this research is descriptive method with one factor, four treatment and two replications. The treatment used is as follows : PO Control using NaCL 0,9 % as much 1 ml/kg weight of test fish. P1 : Injection of hCG with dose 700 IU/kg weight of test fish. P2 : Injection of hCG with dose 900 IU/kg weight of test fish. P3 : Injection of hCG with dose 1100 IU/kg weight of test fish. The best result of the research is P2 : Injection of hCG with dose 900 IU/kg weight of test fish the with an average latent time 7 hours and 2 minutes, amount eggs(items)/g 369 items, increase in egg diameter 0,2 mm, IOS 13,68 %, Fertilization Rate 73,85 %Hatching Rate 74,47 %, Survival Rate (SR4) 71,43 %Keywords : Fish ingir-ingir (Mystus nigriceps), Hormon hCG, Ovulation, Survival
Isolation and Characterization of Heterotrophic Bacteria from Residential Area and Low Salinity Seawater in Purnama Village Dumai Riau Province Mayda Susana; Feliatra '; Iesje Lukistyowati
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 4, No 2 (2017): Wisuda Oktober Tahun 2017
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Heterotrophs is a bacteria that use organic carbon and inorganic nitrogen as a food source. The research was conducted from December 2016 to January 2017. The aim at this study was to isolate, determine the ability of bacteria isolates as an antibacterial to pathogenic bacteria and determine the characteristics of heterotrophic bacteria isolated from residential area and low salinity seawater based on PCR method technique 16S rDNA sequences. Isolation and identification morphology, biochemical test and antibacterial tests were analyzed in Marine Microbiology Laboratorium of Riau University. DNA and PCR analysis process was conducted in Biology Laboratorium of Riau University. The sequencing DNA process was conducted in PT. Genetika Science Indonesia, West Jakarta. The result showed that the twenty three pure isolates bacteria and only seven isolates could be sequenced. Bacterial isolates 20M2, 20M4, 20M5, 20M11, 30M6, 30M7 and 30M8 able to inhibit the growth of pathogenic bacteria. Based on the BLAST system accessed via World Wide Web, the isolated bacteria were: Bacillus toyonensis strain ACOPR1ISOXg, Bacillus subtilis strain Y37, Enterobacter cloacae strain ENC-3, Clostridium acetobulylicum strain S512, Bacillus cereus strain 4PLGES, Bacillus cereus strain ML267 and Bacillus thuringensis strain C17.Keywords: heterotrophic bacteria, isolation, characterization, 16S rDNA
The Utilization Of Feather Meal Fermented Using Bacillus sp. From Tiger Shrimp (Penaeus monodon) For Fish Feed of Silver Pompano (Tracchinotus blochii) Fingerling Roma Uli Purba; Adelina '; Indra Suharman
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 4, No 2 (2017): Wisuda Oktober Tahun 2017
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This research was conducted from May-July 2017. The purpose of this research was to know the best persentage using Feather meal fermented to subtitution fish meal in diets and the effect on growth and feed effeciency. This study uses a completely randomized design (RAL) with one faktor, 5 level treatments and 3 replications. Feeding trials was replacing with fish meal with Feather meal fermentation applied to P0 ( without feather meal fermented in diet), P1 (5% feather meal fermented in diet), P2( 10 % feather meal fermented in diet), P3 (15% feather meal fermented in diet), and P4 (20% feather meal fermented in diet). The result showed that the best treatment contained in P2 (10 % feather meal fermented in diet) with digestibility 23,21%, protein digestibility 56,56% , feed efficiency 72,66%, protein retention 11,88%, spesific growth rate 3,56% and survival rate 86,66%.
Effect of Probiotic Supplementation in Formulated Feed on Growth of Tambaqui (Colossoma macropomum)Fingerling Afdola, Afdola; Suharman, Indra; Adelina, Adelina
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 5 (2018): Edisi 1 Januari s/d Juni 2018
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 ABSTRAK The research was conducted for 56 days from December 2016 to February 2017. The aim of this research was to determine effect of probiotic supplementation in formulated feed on growth and feed utilization of Tambaqui (Colossoma macropomum). This study uses a completely randomized design (CRD) with one factor, four level treatments and three replications. This fish used in this research with average initial weight of 0.73 g. Fish were reared in 100x100x100 (cm3) cages with the stocking density of 25 fish/cage. The treatment given was different concentration of probiotic in feed, consisting of : P0 (without probiotic supplementation), P1 (5 ml/kg feed), P2 (10 ml/kg feed) and P3 (15 ml/kg feed). The result show that probiotic supplementation in  formulated feed did not give a significant effect (P>0,05) on the growth and feed efficiency, butt have a significant effect (P>0,05) on protein retention. The study show that probiotic supplementation of 15 ml/kg feed gave best growth and feed peformance of Tambaqui (Colossoma macropomum). Key word : Colossoma macropomum, feed, growth, probiotic, Tambaqui 
TESTINGTHE USE OF A BASKOM AT THE MOUTH OF THE BUBU FOR LOBSTER(Cherax quadricarinatus) FISHING GEAR Tamba, Riwaldi; Syofian, 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 11 -20  October 2016 in districts Tanjung Raya (Like Maninjau). Materials and tools used in this research is a fish die as bait and atools that is used in the form of 3 units bubu material net funnel and 3 units bubu materials baskom funnel, boat as tools toward mounting points bubu. The methods used in this study is experiment methods where the study was to test the use of a baskom at the funnel of the bubu for lobster (Cherax quadricarinatus) fishing gear is done directly at the capture. Differences in the type of material does not affect the funnel bubu catches can be demonstrated on the real level of 0,01 t- hit (1,42) ˂ t- tab (3,24). Therefore the average treatmant in said non-significant or not real.Then H0 meaning there is no influence of the type of materials funnel to catch lobster bubu.Keywords: Fishing gear, Material funnel Bubu, Danau Maninjau

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