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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
 163   164   165   166   167 
Morphometric, Meristic, and growth patterns of Channa micropeltes Cuvier, 1831 from the Lubuk Siam Oxbow Lake, Kampar Regency, Riau Province Handayani, Fitri; Efizon, Deni; Eddiwan, Eddiwan
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 5 (2018): Edisi 2 Juli s/d Desember 2018
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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Abstract

ABSTRACT                                                 Channa micropeltes or toman fishis a freshwater fish that live in the Lubuk Siam Lake and it has high economical value. Information on the biological aspects of these fish wasrare.A research aims to understand morphometric and meristic of the fish has been conducted from January-March 2018. There were 62 fishes  (145-580 mm TL and 107-2.200 g BW) captured. Twenty six morphometrical characteristics measure and 11 meristical characteristics counted. Male and female fish can be distinguished by the head and body shape. The head of the male is slightly pointed, the body is blackish and slimbody shape. Female has blunt head, bluish black and abdomen rounded. The meristical characteristics of the fish were as follow: D. 41-48, P. 12-17, V.6, A. 25-27, C.13-15. The number of scale in thecheek was 32-40,pre-dorsal fin was 30-33, in the lateral line was 100-120,around the body was 44-60, above and below the lateral line was 48-95. The length-weight relationship shown that the growth pattern of the fish in the Lubuk Siam Lake is positive allometric, b=3.105.Keywords: Channamicropeltes, Lubuk Siam Lake, Relative Growth
Morphometric, Meristic, and growth patterns of Channa micropeltes Cuvier, 1831 from the Lubuk Siam Oxbow Lake, Kampar Regency, Riau Province Fitri Handayani; Deni Efizon; Eddiwan Eddiwan
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 5 (2018): Edisi 2 Juli s/d Desember 2018
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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Abstract

ABSTRACT                                                 Channa micropeltes or toman fishis a freshwater fish that live in the Lubuk Siam Lake and it has high economical value. Information on the biological aspects of these fish wasrare.A research aims to understand morphometric and meristic of the fish has been conducted from January-March 2018. There were 62 fishes  (145-580 mm TL and 107-2.200 g BW) captured. Twenty six morphometrical characteristics measure and 11 meristical characteristics counted. Male and female fish can be distinguished by the head and body shape. The head of the male is slightly pointed, the body is blackish and slimbody shape. Female has blunt head, bluish black and abdomen rounded. The meristical characteristics of the fish were as follow: D. 41-48, P. 12-17, V.6, A. 25-27, C.13-15. The number of scale in thecheek was 32-40,pre-dorsal fin was 30-33, in the lateral line was 100-120,around the body was 44-60, above and below the lateral line was 48-95. The length-weight relationship shown that the growth pattern of the fish in the Lubuk Siam Lake is positive allometric, b=3.105.Keywords: Channamicropeltes, Lubuk Siam Lake, Relative Growth
THE ADOPTION PROCESS ON INNOVATION OFARTIFICIAL FEEDIN THE KOTO MESJID VILLAGEXIII KOTO KAMPAR SUBDISTRICTKAMPAR REGENCYRIAU PROVINCE Saragih, Tiarmauli; Kusai, Kusai; Zulkarnain, Zulkarnain
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 5 (2018): Edisi 2 Juli s/d Desember 2018
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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                                           ABSTRACT Research on adoption process on innovation ofartificial feed was conducted in March 2018in the Koto Mesjid VillageXIIIKoto Kampar Subdistrict Kampar RegencyRiau Province.This study was aimed to determined the adoption process of artificial feed innovation, knowing factors influence the adoption of artificial feed innovation, and to know the relationship between the factors that influence adoption with the adoption process of innovation of artificial feed. The method used in this research is survey method that is analyzed by descriptive analysis and Rank Spearman and number of respondents in this research are 30 respondents.            From the results of the research analysis, it was found that the adoption process with a total score of 345 is in the fast category and the time required 2-4 months.Factors that influence adoption by total scores of components of innovation traits, types of innovation decisions, communication channels, nature of targets, and extension workers are 2,088, falling under the strongly influencing category.Based on Spearman Rank correlation there is a strong correlation between innovation characteristic, communication channel factor with adoption process and there is a very weak correlation between factor of decision type of innovation, target nature factor, extension factor with adoption process.However, there is an unsignificant relationship between the factors that influence adoption and the adoption process. Keywords: adoption, innovation, artificial feed
THE COMPOSITION OF LONG LINE CATCHES IN THE MORNING AND DAY DAY IN THEWATERS OF NARAS 1 OF PARIAMAN SUBDISTRICT IN NORTH WEST SUMATRA PROVINCE Yurnida Yurnida; Pareng Rengi; Arthur Brown
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 5 (2018): Edisi 2 Juli s/d Desember 2018
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ABSTRACT This research was conducted on July 2017 in the waters of Naras Village 1 of Pariaman Subdistrict in North Sumatra. The method used in the study is a survey and research method conducted for 10 consecutive days. This study aims to determine the number of differences and the composition of the catch in the morning and afternoon. the results of this study were obtained to be used as information material for those who need it.The results of the study regarding the composition of longline catches in the morning were 331.8 kg (189 tails) while in the afternoon 144.7 kg (84 tails). the catch obtained by longline catches during the study consisted of 5 species namely snapper (Epinephelus SP), layur fish (trichiurus lepturus), malang fish (muraenesa SP) seen from daily catches in the morning more catches compared to daytime.Keyword :demesal fish, long line, Pariaman waters
CHARACTERISTICS OF CARRAGENAN (Eucheuma cottonii) EXTRACTED WITH KOH Rusnawati Rusnawati; Andarini Diharmi; Suardi Loekman
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 5 (2018): Edisi 2 Juli s/d Desember 2018
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ABSTRACT  The purpose of this study was to determine the chemical composition of dried Eucheuma cottonii and physico-chemical characteristicsof carrageenan were extracted with Potassium hydroxida (KOH) solutions 4, 8, and 12% was obtained from Northern Rupat and Riau Islands. The results of analysis showed that the chemical composition of dried Eucheuma cottonii of both costal sea regions was not different, with the chemical composition value of moisture (7.99-11.45%), ash (22.84-36.52%),acid-insoluble ash (1.66-2.25%), and sulfate content (22.46-29.64%), those were not difference in all carrageenan except ash content, whereas the physical characteristics of both carrageenan are significantly different. The results of this study indicate that the carrageenan was extracted with KOH (4, 8, and 12%) only affects the physico-chemical characteristics of gel strenght, viscosity and carrageenan ash content. Keywords:carrageenan, Eucheuma cottonii, extraction, gel strength, KOH
DENSITY OF Escherichia coli BACTERIA AND HETEROTROPHIC BACTERIA IN DUMAI SEAWATER OF RIAUPROVINCE Anisa Qoriman; Feliatra Feliatra; Nursyirwani Nursyirwani
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 5 (2018): Edisi 2 Juli s/d Desember 2018
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ABSTRACT This research was conducted from April until May 2018. The purpose of this study was to calculate the density of Escherichia coli in sea water of Dumai, to determine the ratio of E. coli to heterotrophic bacteria and to examine the resistance of E. coli to antibiotics. In this study the determination of sampling points using purposive sampling method, was set intothree sampling points for each station. Density ofE.coliwas calculated by using the Most Probable Number (MPN) method and density total of heterotrophic bacteria by using spread plate count method. The result showed that densityE. colirangedfrom 2.37 x 104 – 1.1 x 105 CFU/ml. The highest MPN number ofE. coliwas found in stations 2 and 3, andthe lowest wasin station 5. The total number of heterotrophic bacteria ranged from 7.37 x 106 – 10.38 x 106 CFU/ml. The highest number of heterotrophic was foundin station 4 and the lowest was in station 5.The highest percentage ratio of density of E.colito heterotrophic bacteriawas in station 2(1.20%)and the lowest was in station 5 (0.32%).Resistance of E.coli toward chloramphenicol as antibiotic testedindicated that 7 isolateswere resistant with the inhibition zone ranged from 2.17 –10.70 mm, 9 isolates were categorized intointermediate with the inhibition zone ranged from 11.90–19.33 mm and 1 isolate was sensitive with the inhibition zone was 22.77 mm. Towardantibiotics penicillin andisoniazid, all bacterial isolates were resistant with the inhibition zone ranged from 0.80 - 4.70 mm and 1.50- 4.67 mm, respectively.Keyword: Density, Escherichia coli,MPN method, Heterotrophic Bacteria, Antibiotics 
Trophic state of the Tanjung Putus Lake, Siak Hulu District, Kampar Regency, Riau Province based on Trophic States Index Agustri Minggu Samosir Minggu Samosir; Tengku Dahril; Asmika H Simarmata
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 5 (2018): Edisi 2 Juli s/d Desember 2018
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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 ABSTRACTMany activities in Tanjung Putus Lake Buluh Cina Village, Kampar District, Riau contributed the input of organic and anorganic matter that affectsthe water quality, especially nutrient concentration in waters.  A research aims to understand the trophic state of Tanjung Putus Lake, Buluh Cina Village, Kampar District, Riau based on TSI has been conducted on March, 2018. There were 3 station namely station 1 (inlet area), station 2 (in the middle of lake) and station 3 (outlet area). In each stations, there were 2 sampling sites, in the surface and in the middle of water column. Sampling was done three times, onces a week. Water quality parameters measured were transparency, temperature, pH, dissolved oxygen, phosphate and nitrate concentration. Results shown that transparency : 85.17 – 96.50 cm, total phosphorus : 100.3 – 143.8 µg/L, chlorophyll-a : 6.406 – 8.497 µg/L, depth :160 cm – 250cm, temperature 30.2 – 31.8 ºC, 5, dissolved oxygen 4.82 – 6.48 mg/L and nitrate : 0.04 – 0.06mg/L TSI value (60.352-66.61). Based on the TSI  of  Tanjung Putus Lake was categorized as light eutrophic. Keywords:Tanjung putus lake, water quality, eutrophic
Standing Stock of Macrobrachium spp. in Lubuk Siam Lake Novita, Desy; Fauzi, Muhammad; Fajri, Nur El
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 5 (2018): Edisi 2 Juli s/d Desember 2018
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Abstract            Macrobrachium spp. (Palaemonidae) is commonly inhabit the Lubuk Siam Lake. A research aims to understand the standing stock, relative growth rate and recruitment pattern of the  shrimp in the Lubuk Siam Lake. This study was conducted in March 2018. The shrimp was captured using bamboo traps, 4 times, once/ week. The standing stock was analyzed using DeLury method, while the relative growth rate and recruitment were analyzed using FISAT II software. Results shown that the standing stock of shrimp was 4,174. The asimtot length of growth rate (L∞) ofmale was119.28 mm, K 0.39 and t0-0.0225. The L∞ of female was 108.89 mm, K 1.8 and t0-0.0057. Recruitment percentagein March 7.17% and the highest predicted recruitment is in July (14.46%). Keywords :stock, delury, grow rate, recruitment 
The Effect Of Combining Different Natural Feeds On Growth And Survival Rate Of Maanvis Larvae (Pterophyllum sp) Rais, Muhammad; Sukendi, Sukendi; Nuraini, Nuraini
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 5 (2018): Edisi 2 Juli s/d Desember 2018
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ABSTRACT     The research was conducted from 7 december 2017 until 5 january 2018 in the fish hatchery and breeding laboratory faculty of fisheries and marine university of Riau. The aim of research was to evaluate the effect of combination of natural feed on the growth and survival rate of maanvis larvae. The method used in this research was the experimental method using a complete randomized design (CAD) with one factor with three treatment and three replications. The best growth rate was obtained at the treatment T2 (Daphnia sp 10 D + Culex sp 10 D + Tubifex sp10 D) with larvae growth of 0,73 g Bw, with 2,7 cm total length, 14,35%/d growth of daily weight rate, and survival rate of 95,56 %. The water quality parameters during the research were temperature 27,2-28,7 0C, pH 6,5-7,4, DO 4,3-6,0 ppm. Keyword : Pterophyllum sp, combination, growth, and survival rate
The Effect OfLumbricusrubellus With Different Frequency On Growth And Survival Of Larvae Siban(Cyclocheilicthysapagon) Yolanda Puspita; Nuraini Nuraini; Sukendi Sukendi
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 5 (2018): Edisi 2 Juli s/d Desember 2018
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ABSTRACTThis research was conducted on Maret - April 2018 in the Laboratory of Fish Hatchery and Breeding Faculty of Fisheries and Marine Sciences, University of Riau.The purpose of this research was to Effect OfLumbricusrubellus With Different Frequency On Growth And Survival Of Larvae Siban (Cyclocheilicthysapagon. This research used the experimental method, while the experimental design using completely randomized design (CRD) with 4 treatments, each with 3 replication.The composition of the treatment P1 frequency the provision of feed 3 times a days , treatment P2 frequency the provision of feed 4 times a day, treatment P4 frequency the provision of feed 5 times a days, treatment P4 frequency the provision of feed 6 times a day. The best result of the treatments from this research frequency of the feed about 6 times a daygrow with0,26 g (weight),  2,60cm (length)and 6,43% per days (Specific growth rate). Statistical test results show that the survival rate of larvae  Cyclocheilicthysapagon has no significant effect on all treatments.The water quality parameters during this research were: temperature 25,6-28,2oC, pH 5-6,8, dissolved oxygen 5-6,5 mg/l.Key words: Cyclocheilicthysapagon, Lumbricus rubellus,  frequency, growth and survival

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