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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
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ANTIOXIDANT POTENTIAL ON CHITOSAN OF MANGROVE CRAB (Scylla serrata) SHELL WITH THE ADDITION OF DIFFERENT NaOH Sukmiwati, Mery; Karnila, Rahman
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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ABSTRAK This research was aimed to determine the effect of the different concentration of NaOH to the quality of chitosan and antioxidant potential on chitosan of mangrove crab (Scylla serrata) shell. The experimental method was used in this research with Completely Randomized Design (CRD), which consists of three levels of treatment with different NaOH concentrations i.e. KT1 (50%), KT2 (55%) and KT3 (60%). A series of research activities was divided into 3 stages, namely: 1) preparation of the mangrove crab shell flour, 2) extraction of mangrove crab shell chitosan, 3) antioxidant assay on mangrove crab shell chitosan. The result showed that the different concentration of NaOH was significantly affect to the  moisture content of chitosan, and was very significantly affect to the ash content of the mangrove crab shell chitosan, with value of deasetilation degree of KT1, KT2, and KT3 was 53.42%, 62.46%, and 68.21%, respectively. Meanwhile the IC50 value of KT1, KT2, and KT3 was 883.7600 µg/mL, 528.1745 µg/mL and 737.9175 µg/mL, respectively. The IC50 values indicated that the antioxidant activity on chitosan of mangrove crab shell was classified as weak or inactive. Keywords: antioxidants, mangrove crab Shell, extracting, Chitosan.
TEST OF SUKUN LEAVE (Artocarpus altilis) SOLUTION ON THE GROWTH OF BACTERIA Aeromonas hydrophila Yulyawati Yulyawati; Iesje Lukistyowati; Henni Syawal
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 5 (2018): Edisi 2 Juli s/d Desember 2018
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ABSTRACT    One of the plant (Artocarpusaltilis)is a plant that can be used as a drug and has many benefits, one of which is antibacterial to the disease Motile Aeromonad Septicemia (MAS). This research was conducted from February to August 2018 at the Laboratory for Fighting Pests and Diseases of Fish, Department of Aquaculture, Faculty of Fisheries and Marine, University of Riau. The purpose of the study was to determine the inhibitory potency of the breadfruit leaf solution in inhibiting the growth of Aeromonas hydrophila bacteria, the MIC (Minimum Inhibitory Concentration) dose and the toxicity of the solution of breadfruit leaves to immersion. The research method used is the experimental method using the KIRBY-BAUER disc method to reduce the level of error then repeated 3 times. Determination of treatment was PO control (Oxytetracyclin), P1 (100%), P2 (90%), P3 (80%), P4 (70%), P5 (60%), P6 (50%), P7 (40%) , P8 (30%), P9 (20%), P10 (10%), P11 (9%). The doses used in this study were 9% (900 ppm), 10% (1000 ppm), 20% (2000 ppm), 30% (3000 ppm) and controls . The results of this study indicate that the breadfruit leaf solution (Artocarpusaltilis) is able to inhibit the growth of A. hydrohila by presenting a 100% inhibition dose with an average of 10.56 mm and a minimum inhibition of 9%, giving an average inhibition of 6.46 mm. It can be said that the dose of MIC (minimum inhibitory concentration) of breadfruit leaf solution, at a dose of 10% with an average number of bacterial colonies of 268 Sel / mL, is the minimum dose capable of inhibiting the growth of A. hydrophila bacteria. The results of the LD50 toxicity tests of the breadfruit leaf solution on Siam ham (P.hypophthalmus) were immersed for 24 hours at a concentration of 1177 ppm. Keywords:  Artocarpus altilis, Aeromonas  hydrophila, antimicrobial, LD50
LOCATION SELECTION STUDY FOR THE FISH LANDING BASE IN KUALA TERUSAN VILLAGE PANGKALAN KERINCI SUB-DISTRICT PELALAWAN DITRICT RIAU PROVINCE Arni Agusta; Syaifuddin Syaifuddin; Bustari Bustari
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 26 April until 07 Mei 2018 in Kuala Terusan Village Pangkalan Kerinci Sub-district Pelalawan District Riau Province. This reasearch aim to determine the best location from the toke’s port site to be the place of landing fish, based on comparison from the other place so can build a fishing port at Kuala Terusan Village. The results of the analysis show that the location of port A is the best location to build a fishing port with score 230,12 point. Based on technical reviews of potential fisheries, socio-economic people, facilities and infrastructure of port A, its can meets the technical and operational criteria of a type D fishing port or called the Fish Landing Base (PPI). Keyword : Selection location, the fishing port, Kuala Terusan Villlage
BY CATCH PROPORTION BOATLIFT NET IN AIR BANGIS VILLAGE, PASAMAN BARAT, WEST SUMATERA Sembiring, Eiodia Christine; Nofrizal, Nofrizal; Sari, Ersti Yulika
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 5 (2018): Edisi 2 Juli s/d Desember 2018
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Abstract Penelitian ini bertujuan untuk menganalisa proporsi hasil tangkapan sampingan untuk mengetahui perkembangan hasil tangkapan bagan perahu dan dilaksanakan pada bulan April-Juni 2018 di Desa Air Bangis, Pasaman Barat dengan menggunakan metode observasi dan metode purposive sampling terhadap unit penangkapan bagan perahu untuk mendata jumlah dan jenis hasil tangkapan yang didaratkan setiap trip dengan pertimbangan unit penangkapan yang digunakan adalah bagan perahu diatas 40  GT dengan operasi penangkapan 4 hari melaut. Hasil analisa data menunjukkan komposisi hasil tangkapan yang diperoleh adalah sebanyak 18 jenis dengan berat 369.341 kg dengan berat total hasil tangkapan utama sebanyak 302.543,5 kg, hasil tangkapan sampingan bernilai ekonomis tinggi 45.326,9 kg dan hasil tangkapan sampingan bernilai ekonomis rendah 21.470 kg. Berdasarkan proporsi yang diperoleh,proporsi hasil tangkapan sampingan yang berekonomis tinggi rata-rata sebesar 2.413,4 kg per hari. Dengan perbandingan hasil tangkapan sampingan yang bernilai ekonomis tinggi dan yang bernilai ekonomis rendah yaitu 1:2,1, proporsi hasil tangkapan sampingan yang bernilai ekonomis rendah yang didapatkan selama satu musim penangkapan adalah sebesar 20.686,4 kg. berdasarkan hasil penelitian dapat disimpulkan bahwa tingkat bycatch dan discard pada bagan perahu tergolong rendah, Yang mengindikasikan bahwa alat tangkap bagan perahu adalah alat tangkap yang ramah lingkungan Kata Kunci: Bagan Perahu, Proporsi, Hasil Tangkapan Sampingan
The Effectof giving Tubifex sp dan Frozen Bloodworms (Chironomus sp Larvae) on Growth dan Survival rate ofSheetfishLarvae(Ompok rhadinurus) Candra Setiawan; Hamdan Alawi; Netty Aryani
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 aim of this study was to evaluate the effect offeed types of fresh Tubifex worm, frozen Tubifex worm, mixed Tubifex (fresh and frozen) and frozen blood worms on the growth of survival of sheetfish larvae and to know the best type of feed between frozen Tubifex sp and frozen blood worms which can be used as an initial feed for sheetfish larvae other than fresh Tubifex sp reared in a recirculation system. This experiment used Completely Random Design (CRD) with 4 treatments and 3 replications, namely P1:  feeding the fresh Tubifex, P2: feeding the frozen Tubifex, P3: feeding the frozen blood worms, P4: Feeding the combination feed (fresh and frozen) with frozen blood worms. The results showed that there was an effect of feeding Tubifex sp and frozen blood worms on the growth and survival of sheetfish fish larvae (Ompok rhadinurus). The best treatment, P1with fresh Tubifex sp which produces an average growth of absolute weight of 5,14 grams, absolute length 8,76 cm, growth rate of 14,95% / day weight and 100% survival. Water quality parameter values are temperature of 270C - 280C, pH 5,6-5,7 and dissolved oxygen (DO) between 3,3-6,0 mg/l. Keywords : Tubifexsp, frozen blood worms, ikan selais (Ompok  rhadinurus).
Marketing Margin of White Bawal Fish (Pampus Argenteus) on CV. Alam Mulia Bahari, Panipahan Village, Pasir Limau Kapas District, Rokan Hilir Regency, Riau Province Tarigan, Rosdiana; Yulinda, Eni; Arief, Hazmi
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 in March 2018, located in PanipahanVillage, Pasir Limau Kapas District, Rokan Hilir Regency, Riau Province, to find out the marketing channels of white pomfret (Pampus Argenteus) at CV. Alam Mulia Bahari, Panipahan Village. Analyze the costs, profits and margins of pomfret marketing white (Pampus Argenteus) in CV. Alam Mulia Bahari, Panipahan Village. The method used in this research is survey method, namely by observing directly. The number of fishermen as many as fishermen, the owner of CV. Alam Mulia Bahari 3 people, employees of CV. Alam Mulia Bahari 10 people and the method of taking respondents is by census. Whereas the sampling of traders is by sampling, consisting of 5 egents, 10 retailers, 5 along-along merchants.The result showed that there were two marketing channels at CV. Alam Mulai Bahari, Panipahan Village, Pasir Limau Kapas Village, Rokan Hilir Regency, Riau Province. In the marketing channels I, the total marketing costs was IDR. 2,300/kg, total marketing profit of IDR.2,700/kg and marketing margin of IDR.5,000 per kg. For marketing channels II the total marketing cost is IDR. 3,000 per kg, the total marketing profit IDR. 4,000 per kg, and the Subdistrict, Rokan Hilir Regency, Riau Province. Then the marketing channel I is the most efficient marketing channel for White Bawal Fish with a low marketing margin of IDR. 5,000 and has high marketing value 0f 87.5% Kata Kunci: Margin, Costs, Benefits, Marketing Channels 
THE CAUSING FACTORS OF FISHERMEN POVERTY IN THE KEPENGHULUAN OF SINABOI SINABOI SUB DISTRICT ROKAN HILIR DISTRICT RIAU PROVINCE Reza Kurnia Ndaru; Firman Nugroho; Zulkarnain Umar
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 is about the causes of poverty fishermen communities in Kepenghuluan Sinaboi, Sinaboi Sub District, Rokan Hilir Regency, Riau Province, was held in April 2018. The research objectives were to (1) Determine the causes of fishermen's poverty in Kepenghuluan Sinaboi (2) Knowing the efforts of fishermen in facing poverty in Kepenghuluan Sinaboi (3) Knowing the government's efforts to solve the problem of poverty in Kepenghuluan Sinaboi. The research method used is a survey method with a qualitative approach. The sampling technique used was simple random sampling technique with a total of 30 respondents as fishermen.            The results of this study indicate that the poverty of fishermen in Kepenghuluan Sinaboi is caused by 5 influential indicators: (1) The average income of fishermen households is IDR1.992.800,00 (2) Powerlessness of fishermen the ability to acces capital is very low (3) Vulnerability of fishermen in dealing with emergency situations due to lack of valuable assets if at any time they experience a disaster (4) Dependency, erratic fishing catches caused by the season (5) Alienation of fishermen, living places far from public facilities that are beneficial for fishermen. The efforts of fishermen to get out of poverty do not exist because of thoughts that only hope for government assistance. While the government's efforts to deal with the poverty of fishermen in Kepenghuluan Sinaboi are in the form of assistance but not yet fully felt by fishermen Keywords : Poverty, Fisherman, Goverment, The Kepenghuluan of Sinaboi.
MAPPING OF CHLOROPHYLL-A DISTRIBUTION USING LANDSAT 8 IMAGERY IN DUMAI WATERS WEST OF DUMAI CITY RIAU PROVINCE Debby Irfandinata; Musrifin Galib; Elizal Elizal
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 5 (2018): Edisi 2 Juli s/d Desember 2018
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ABSTRACT            Chlorophyll-a was the green pigment found in phytoplankton. Chlorophyll-a can be used as an fertility indicator and primary productivity of the sea. Chlorophyll absorbs red and blue colors, and reflects green color. This research was conducted on 5-9 May 2018 with the research area of East Westwaters of Dumai in Riau Province, this research goal is to determine: the distribution of chlorophyll-a in the waters of West Dumai. The survey method was applied in this research where the West waters of Dumai is the research area, sampling location were set up purposively which divided into 5 stations. Each station has one sampling point with three repetitions. The results of this research found that the distribution of chlorophyll-a in West Dumai  was not evenly distributed. The highest chlorophyll-a concentration was in the 2018 around settlements because of the nutrient runoff from land. The lowest concentration is found in 2016 because of the dry season that exist throughout 2016.Key words: Chlorophyll-a, West Waters of Dumai, Phytoplankton.
EFFECT OF DIFFERENT ADDITION OF FISH BONE FLOUR (Clarias gariepinus, Pangasius djambal, and Paraplotosus albilabris) ON THE COOKIES QUALITY Sari, Cindy kemala; Dewita, Dewita; Sumarto, Sumarto
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 study aimed to determine the effect of different addition of fish(Clarias gariepinus, Pangasius djambal, and Paraplotosus albilabris) bone flour on the cookies quality and obtain the best formulation of cookies with addition differentfish bone flour. The experimental method with a non-factorial Completely Randomized Design was used in this research with 4 levels of treatment: cookies without addition of fish bone flour (CT0), cookies with addition 8gr of Clarias gariepinus bone flour (CT1), cookies with addition 8gr of Pangasius djambal bone flour (CT2), cookies with addition 8 gr of Paraplotosus albilabris bone flour (CT3). The parameters measured in this study were organoleptic test (appearance, odor, taste, texture),proximate analysis (water, protein, fat, ash and calcium content). The results showed that the addition 8 gr of Pangasius djambal bone flourwas the best treatment, whereas the appearance was brown, attractive, whole and neat, odor was distinctive smelling cookies, fragrant and slightly smelling fish, taste was good, savory and a little taste of fish, texture was dry, solid, compact and crunchy. Based on the best proximate analysis that the addiiton 8 gr of Paraplotosus albilabrisbone flour was the best treatment (CT3), where as the value of water, protein, fat, ash, carbohydrate and calcium content was 5.71%, 25.5%, 1.7%, 2.38%, 66.66%, 1.28%, respectively.Keywords: Clarias gariepinus, Cookies, Fish Bone Flour,Pangasius djambal, Paraplotosusalbilabris
STUDY OF THE FORMULATION OF SWEET SOY SAUCE FROM SMALL SHRIMP (Acetes erythraeus) TOWARD CONSUMER ACCEPTANCE Azhari, David Akbar; Suparmi, Suparmi; Dahlia, Dahlia
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 level of consumer acceptance against the sweet soy sauce from small shrimp (Acetes erythraeus)added with caramelized sugar. The treatment given was the addition of caramelized sugar in different amounts, with 3 levels namely: U1 (50 gram of caramelized sugar), U2 (60 gram of caramelized sugar), and U3 (70 gram of caramelized sugar). The results showed that sweet soy sauce from small shrimp which was most preferred by consumers was obtained from U2 treatment (sweet soy sauce from small shrimp with the addition 60 grams of caramelized sugar). The U2 treatment had an average  value very like and like of color (3.36) with the number of panelists 47.5% having criteria for blackish brown, aroma (2.84) with the number of panelists 92.5% having criteria for spice aroma and specific smell of small shrimp, flavor (3.40) with a number of panelists of 71.25% having taste criteria from the same specific spices and caramelized sugar and small shrimp, the thickness (3.47) with the number of panelists 65% had thick and compact criteria, meanwhile for the proximate value of water content, protein content, fat content, ash content, viscosity, and amino acids was 43.91%, 14.79%, 0.35%, 11.35%, 3.93%, and 4.92%, respectively. It can be seen that the sweet soy sauce of small shrimp with the addition of caramelized sugar has a very significant effect on the value of color, aroma, taste, and thickness.Keywords: Sweet soy sauce, small shrimp, caramelized sugar

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