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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
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COMPOSITION OF BOTTOM TRAP IN ARCHIPELAGO FISHING PORT SUNGAILIAT BANGKA DISTRICT BANGKA BELITUNG PROVINCE Goklas Irmayanti Simbolon; Pareng Rengi; Isnaniah Isnaniah
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 7, No 1 (2020): Edisi 1 Januari - Juni 2020
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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ABSTRACT This research was conducted in August-September 2019 at the Sungailiat Archipelago Fisheries Port, aiming to determine differences in the number of the composition of weight and type of catches, using survey methods. Based on the types of species caught, Leopard Coralgrouper (Plectropomus leopardus) 91 tails (271,5 kg), Aerolate grouper (Epinephelus fuscoguttatus) 693 tails (231,9 kg), Spotted grouper (Epinephelus tauvina) 42 tails (205,1 kg), Brownstripe snapper(Lutjanus Vitta) 3166 tails (457,8) Yellowtails fusilier (Caesio cuning) 4536 tails (752.8 kg), Orange sponted spinefoot (Siganus Guttatus) 1022 tails (145,8 kg), Starry trigerfish (Abalistes Stellaris) 1110 tails (370, 6 kg), Ketarap (Balistoides viridescens) 222 tails (220,5 kg), Crimson snapper (Lutjanus Sp) 76 tails (221,5 kg), Sweetlips (Plectorhinchus spp) 860 tails (216.2 kg), Tiletrevally (carrax)melampygus) 335 tails (69 kg), Blackfin crevalle (Alepes melanopera) 93 tails (31 kg), and Emperors (Lethrinus lentjan) 100 tails (50,3 kg).Soakingbubu five-day gain the most catches by weight during the study. The result of t-test concludes the five day and seven day catch both by the number of fish and the weight of the caught fish is significantly different.Keywords :Bottom trap, composition of catc,PPN Sungailiat Bangka Regency
Reproductive Biology of Hemibagrus nemurus from the Kampar Kiri River, Mentulik Village, Kampar Kiri Hilir District Kampar Regency, Riau Province Merissa Handayani; Deni Efizon; Efawani Efawani
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 7, No 1 (2020): Edisi 1 Januari - Juni 2020
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ABSTRACTHemibagrus nemurus is present in the Kampar Kiri River. A study aims to understand the reproductive biology aspects of this fish has been conducted from July-August 2019. The fish was sampled 4 times, twice/month. Parameters measured were sexual characteristics, sex ratio, gonad maturity level, gonad somatic index (GSI), fecundity and egg diameter. Results shown that there were 24 males and 28 female (sex ratio 1:1). The female has bigger body than that of the male. Gonad Somatic Index (GSI) of the male was ranged from 0.15%-0.44%  andthat of the female was ranged from 0.07% - 4.05%. The fecundity of female was ranged from 2,040 – 26,180 eggs/fish. Egg diameter ranged from 0.33 – 0.44 mm and eggs in different sizes distribute evenly in the ovary, indicating that H. nemurus is a total spawner. Keywords: Catfish, Reproduction, Sex Ratio, GSI, Fecundity, Total Spawner
STUDY OF MARINE ECOTOURISM POTENTIAL AT PANDARATAN BEACH, CENTRAL TAPANULI REGENCY, NOURTH SUMATRA PROVINCE Muhammad Yusuf; Thamrin Thamrin; Joko Samiaji
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 7, No 1 (2020): Edisi 1 Januari - Juni 2020
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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                  ABSTRACTThis research was conducted in September 2019 to determine Pandaratan beach potential and development strategy as marine ecotourism destination in Central Tapanuli Regency, North Sumatera. Three sampling stations were surveyed. The results showed that suitability index value for beach recreation activities at station I was 90.38%, station 2 87.17% and station 3 88.47% included in the S1 category or very suitable for marine ecotourism respectively and The highest marine tourism suitability index value was located at Station I, This was supported by the open coastal land cover. The land suitability value for beach tourism activities range from 87.17 to 90.38% with an average value of 87.53%. The highest conformity value were found in stations 1 and 3, with the value of 90.38%, while the lowest suitability value was found in station 2, with the value of 87.17%.The perception of stakeholders showed that a number of 37% said that they strongly agree to develop the potential of marine ecotourism areas, 49% said  agree, 7% stated neutral, 3% said they did not agree and 2% stated strongly disagree respectively.Keywords: Central Tapanuli, Pandaratan Beach, Marine Ecotourism  
STUDI KAJIAN HASIL TANGKAPAN SAMPINGAN (BYCATCH DAN DISCARD) ALAT TANGKAP PAYANG PADA KAPAL KM MAHKOTA DI PELABUHAN PERIKANAN SUNGAILIAT PROVINSI BANGKA BELITUNG Irwan Sinaga; Nofrizal Nofrizal; Jonny Zain
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 7, No 1 (2020): Edisi 1 Januari - Juni 2020
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ABSTRACT        Payang is a trawler tug that has a small pocket size. This makes the payang fishing gear not selective about the size of the fish and the types of fish that are targeted by the catch. If this fishing gear is left then it will have a negative impact on the continuation of fish resources, especially where the fishing gear is operated. The purpose of this study is to calculate the composition and proportion of the main catches (main catch), bycatch and bycatch. It is hoped that this research can illustrate the amount of fish stock pressure available at the Payang fishing gear. The method used is a survey method that directly measures the fishing gear and identifies the catch of the payang fishing gear. Based on the percentage of the composition, the type of payang catches consists of 8 types. Based on the composition, the types of payang catches consist of 8 types of individuals, consisting of 2 main catches with a percentage of 25%, 5 types of bycatch with a percentage of 62.5% and 1 type of catch catch with a percentage of 12.5%. This study also found that the payang also caught fish with a size below maturity, namely yellow strait fish (Selaroides leptocepis) with a percentage of fish below the adult size caught 28%, bentong strait fish (Crumenopthaimus selar) with the percentage of fish below the adult size caught 25%, and even mackerel (Rastrelliger brachysoma) reaches 67.25% of fish below the adult size caught. Therefore, it can be concluded that Payang fishing gear even though it is a fishery fishing gear that has enough potential to change the structure of aquatic biodiversity.Keywords: bycatch, discard, payang, fish resources, main catch.
Isolation And Identification of Biosurfic Producing Bacteria From Contact Pond Pond WWTP Sludge Roy Astika Simatupang; M. Hasbi M. Hasbi; Eko Purwanto
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 7, No 1 (2020): Edisi 1 Januari - Juni 2020
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ABSTRACTThis study aims to obtain bio surfactant-producing bacteria originating from the IPAL pond sludge of the palm oil industry at PT. Eka Dura Indonesia, Ujung Batu, Rokan Hulu, Riau Province. This research uses the survey method. Sludge samples are taken from the Contact pond by using a sample bottle, then put into a cooler, and taken to the laboratory. Next, 5 grams of sludge sample was weighed and the dissolution of the sample was carried out using BPS (Buffer Phosphate Saline) media. Furthermore, this sample was enriched with BHI (Brain Heart Infusion) media, then incubated for 24 hours. Furthermore, this sample was diluted using 0.98% NaCl to 10-6 dilution, and counted the number of bacteria growing, using Petrifilm at 10-4, 10-5 and 10-6 dilution. Then the planting and purification of bacteria were carried out using Blood Agar and MacConkey Agar. Then, it was identified using biochemical tests and PCR (Polymerase Chain Reaction) tests. The results found 2 types of bacterial isolates with 2 species producing bio surfactants, Proteus mirabilis, and Enterobacter aerogenes. The DNA rank of the bacterial species that has the highest Emulsification Index, which is 100% Proteus mirabilis.Keywords: Oil contamination, Biochemical Test, PCR (Polymerase Chain Reaction) Test, Proteus mirabilis and Enterobacter aerogenes
Identification Of Bivalves In Trikora Beach Waters, Teluk Bakau Village, Gunung Kijang District, Riau Islands Province Rofian Isman; Eddiwan Eddiwan; Deni Efizon
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 7, No 1 (2020): Edisi 1 Januari - Juni 2020
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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AbstractTrikora beach is a coral beach in the village of Teluk Bakau. The beach is often found bivalva species. however at this time information has not been obtained about the types of bivalves in the area. This research will have been carried out in March 2019. Bivalve sampling is carried out at low tide three times in each sampling area with a time interval between sampling for one week. Samples of bivalves are taken by taking all the bivalves in the substrate base, roots and stems of seagrass by picking up by hand (hand collector). As for living bivalves, immersing themselves in the substrate is taken using a small shovel. Bivalve samples were then identified. The results showed that the bivalves obtained consisted of 4 Orders, 6 Families and 10 Species. The condition of water quality in Trikora Coast waters shows that the temperature is 30.1oC, brightness 538 cm, pH 8, dissolved oxygen 6.87 mg / L and salinity 32.1 mg / L.Keywords:Pantai Trikora, sampel bivalva, sampling area
Gastropod Community Structure in Seagrass Ecosystems in the Madong Bay Waters of Bugis Village, Tanjung Pinang City, Riau Islands Lina Puspita Sari; Adriman Adriman; M. Fauzi M. Fauzi
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 7, No 1 (2020): Edisi 1 Januari - Juni 2020
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AbstractSeagrass ecosystem in the Madong Bay is inhabited by numerous aquatic organisms, including gastropods. A research aim to determine the community structure of gastropds in the seagrass ecosystem has been conducted on July – August 2019. Data was collected from 3 stations, there were 2 line transects in each station. In each line there was 4 quadrats (1m x 1m). Gastropods present inside the quadrat were collected manually. Results shown that there was 9 species of gastropods, namely Pirenella cingulate, Cerithium coralium, Drupella margariticola, Nassarius canoldalis, Nerita lineata, Pugilina cochilidium, Strombus canarium, Strombus urceus and Trochus maculatus. The diversity index (H’) was 1.99 – 2.49 (medium), uniformity index (E) was 0.77 – 0.83 (high) and dominance index (C’) was 0.32 – 0.22.  Keywords :Pirenella cingulate, diversity index, uniformity index, dominance 
DETERIOTATION IN FISH QUALITY SNAKEHEAD (Channa striata) WITH DIFFERENT LETHAL TECHNIQUE AT ROOM TEMPERATURE 28˚C Dewi Trisnawati; Rahman Karnila; N. Ira Sari
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 7, No 1 (2020): Edisi 1 Januari - Juni 2020
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ABSTRACTThis study was aimed to determine determine the lethal techniques to maintain the quality of the freshness of snakehead fish for 12 hours. This research was an experiment with a non factorial complete random design. The treatment was used a lethal fish technique consisting of piercing parts of the brain / Medulla oblongata (A1), cold temperatures (A2), and beating (A3). Observations after the fish is turned off by turning off different techniques performed at intervals of 0, 4, 8, and 12 hours on the sensory quality, chemical and microbiological. The analysis parameters were consisted of organoleptic eyes, gills, and odors), chemistry (TVB, glycogen), and total microbes. The results showed that snakehead fish with deadly technique by being stabbed, cold temperature, was produced organoleptic quality (eyes, gills, and odors) from 0-8 hours the quality can still be maintained freshness.  The Treatment of A1, on the hour to 12 organoleptic (eyes, gills, and smell) still worth resulting average value 6:00, except treatment A2, and A3, are not worthy for consumption (spoiled). TVB analysis results, during the observation of 0- 12 hours of snakehead fish with different way of death experienced an increase at 8 hours still according of quality standards, the 12th hour TVB snakehead fish value > 25 (spoiled). The lowest glycogen levels in treatment A3, at 4-12 hours instead of A2 and A3. Microbiologically, the treatment of A3 treatment has the highest total microbial value. The best lethal technique is by getting a fish stabbed in a part of the brain that can maintain the freshness of snakehead fish for 12 hours. Snakehead are turned off by plugging in the brain, organoleptic (eyes, gills and smell), chemistry (TVB and glycogen), and the total microbiological according to SNI quality standards for fresh fish.Keywords: glycogen, lethal techniques of fish, organoleptic, TPC, TVB.1)Student 
DOLOM ITELIME ADMINISTRATION WITH DIFFERENT DOSES ON THE MAINTENANCE OF BAUNG FISH (Hemibagrusnemurus) WITH BIOFLOK TECHNOLOGY Rahmi Rahmi; Rusliadi Rusliadi; Iskandar Putra
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 7, No 1 (2020): Edisi 1 Januari - Juni 2020
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ABSTRACKThis research has been implemented in June-July 2019 at the Faculty of Fisheries and Marine of Riau University. The purpose of this research is to know the best dose of dolomite lime in the growth of Baung fish (Hemibagrusnemurus) using the Bioflok system. The method used in this research is the experimental method by using RAL (complete random draft), with 4 treatment levels and 3 repeats, with the following treatment: (1) P1:100 gr/m3 or 4 gr/40 L, (2) P2: the addition of Dolomite limestone 150 gr/m3 or 6 gr/40 L, (3) P3: The provision of limestone dolomite as much as 200 gr/m3 or 8 gr/40 L and (4) P4: the addition of Dolomite limestone 240 gr/m3 or 10 gr/40 L. The best result of this study is on P3 treatment = The addition of dolomite limestone 200 gr/m3 (8GR/40 L) with the quality of water during the research temperature 28 0C, Ammoniac 0,0003-0,0006 mg/L, DO4,37-4.77 mg/L, pH 6-7. Then on growth and livelihood is on the growth of the average Ratar 4.4 gr, the total weight growth is 2.39 g, average growth of average 8.66 cm, the total growth of absolute 2.74 cm, growth rate Pesifik 2.579%, life cycle 97% and Volume FLOC 5.8 ml/L.Kata Kunci :Molase, BioflokHemibagrusnemurus, KapurDolomit, 
THE EFFECT OF COMPARISON OF DIFFERENT STARCH SOURCES TO CONSUMER ACCEPTANCE AND QUALITY OF ANALOG RICE FROM SNAKEHEAD FISH (Channa striata) Riski Abadi; Syahrul Syahrul; N. Ira Sari
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 7, No 1 (2020): Edisi 1 Januari - Juni 2020
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                                               AbstractThis research was aimed: 1) to determine the ratio of different blended starch sources (sago flour, brown rice and corn) to the quality of the snakehead fish analog rice produced; 2) to determine the characteristics of snakeheadfish analog rice produced based on organoleptic value, nutritional value and total aerobic bacteria (TPC). This research was conducted by an experimental method. The research design used was a completely randomized design (CRD) of one factor, namely the source of starch differs from 4 levels of formulation. The results showed that the F4 was the best treatments with sago flour (60%), brown rice flour (20%), corn flour (20%) and snakeheadfish flour (10%) with brownish colored characteristics, typical odor of rice, the hard and solid, delicious flavor with moisture content (8.19%), ash content (1.32%), fat content (0.18%), protein content (9.30%), carbohydrate content (80.95%) and crude fiber (0.14%) and total bacterial colonies 2.4 x 103colonies/g.Keywords: Analog rice, snakehead fish, starch source

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