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INDONESIA
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan
Published by Universitas Riau
ISSN : -     EISSN : -     DOI : -
Core Subject : Science,
Earth & Planetary Sciences
Arjuna Subject : -
Articles 2,919 Documents
 150   151   152   153   154 
PATRON STRATEGY IN MAINTAINING COOPERATION RELATIONSHIPS WITH FISHERMEN IN LUBUK TUKKO BARU OF PANDANSUB-DISTRICTOF TAPANULI TENGAH REGENCY OF NORTH SUMATRA PROVINCE Ade Cai Serini Marbun; 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   This research was conducted in February 2018, located in Lubuk Tukko Baruof Pandan Sub-district of Tapanuli Tengah Regency of North Sumatera Province. The study  was aimed to: 1) Know the factors that resulted in the fishermen willing to cooperate with patron; 2) Analyzing the pattern of fishing relationships with Tauke in  Lubuk Tukko Baru and 3) Analyze the strategy for social and economic progress in maintaining cooperation with fishermen. The method used in this research is a qualitative phenomenological method with the determination of informants in simple random sampling.            Based on the results of research obtained, that the factors that led to the fishermen want to cooperate with patron, that’s due to a relationship of interdependence between patron with fishermen, patron aid to fishermen and fishermen assistance to tauke. While the relationship pattern of fishermen and Tauke cooperation there are three that have elements, That are: the element of working relationships that occur because of the activities of fishermen and patron, elements of economic relations that occur through economic activity and social relations elements occur social interaction in economic relations. To maintain such cooperation relationship, patron has social and economic strategy. Social strategy patron the aid of consumption, aid  fishing equipment, easy loan process, kinship relationships that exist between patron with fishermen. While patron economic strategy is the pattern of rent / profit sharing, opening a patron business and patron credit management.Keywords: Patron,Strategy,Client,Relationship, Fisherman
Efektivitas Penggunaan Biofilter dengan Proses Anaerob, Aerob, Eceng gondok (Eichhornia crassipes) untuk Menurunkan Kadar TSS, TDS pada Limbah Cair Laundry Eko Febrianda; Sampe Harahap; Eko Purwanto
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 5 (2018): Edisi 1 Januari s/d Juni 2018
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Abstract Thelaundryliquid wasteis rich in TSS and TDS and thus need to be processed before being flown to environment. A study aims to reduce the TSS and TDS in that waste has been conducted in January – March 2018. The waste (135 L) was treated using a batch system that was consisted of 2 anaerob and 2 aerob tanks and a Eichhornia crassipes phytoremediation pond. The liquid waste was kept for 10 days in anaerob tanks, 7 days in aerob tanks and 15 days in phytoremediation pond.By the end of the experiment, the TSS reduced from 188 mg/l to 11 mg/l (the effectiveness wasof 94.14%). While the TDS reduced from 1,740 mg/l – 310 mg/l (the effectiveness was 82.18%).Other water quality parameters such as pH was normal and DO was improved. The treated waste was used for rearing Clarias gariepinus (3-4 cm TL) and was kept for 15 days. The survival rate of the fish was 100%. Based on data obtained, it can be concluded that the combination of bio filtersand phytoremediation system using E. crassipes is effective to reduce the TSS and TDS content in the laundry liquid waste. Keyword : waste water, detergent contaminated waste, batch system, waste management 
Analisis Saluran Pencernaan Ikan Katung (Pristolepis grootiiBleeker) di Danau Pekak Desa Buluh Nipis Kecamatan Siak Hulu Kabpaten Kampar Provinsi Riau Gultom, Imelda Sofia Loren; Putra, Ridwan Manda; Eddiwan, Eddiwan
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 5 (2018): Edisi 1 Januari s/d Juni 2018
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ABSTRACTPristolepis grootii is one of freshwater fishes that inhabit the  Pekak Lake in Kampar Regency. A research aim to understand the information of stomach content and its relation with size, sex and environmental condition. This research has been done on November to January 2018. Fish samples were captured using fish trap and rawai. Sampling was conducted 4 times in two months.Type of food present in the stomach content of fish was analyzed and the IP (Index Propenderence) was calculated. There were 62 fishes captured. Result shown the feed of P. grootii consist of insects, plants, phytoplankton, and unidentified organism. The main food of P. grootii was insect (IP 50.57%) and plants remains such as seeds (IP 45.42%). Small fishes (43-52 mm), tend to eat more insect (IP 64.75%), while the medium and big fish (73-103 mm) feed on insect and plants.There are no differences of main food in male and female fishes.The water quality parameter are as follows : temperature 30,50C, brightness 76.25 cm, depth 3- 5 m, pH 6, DO 6.44 mg/L, CO2 9,74 mg/L, nitrate 0.2521 mg/L and Phospate 0.1504 mg/L. Based on data obtained, it can be concluded that the Pristolepis grootii is an omnivorous fish. Keywords : Pristolepis grootii, Stomach Content Analysis, Preponderence index, Pekak Lake.
THE POTENCY OF CARBON STROGE IN SEAGRASS Thalassia hemprichii IN NIRWANA BEACH PADANG CITY WEST SUMATERA PROVINCE Shinta Maharani; Zulkifli Zulkifli; Bintal Amin
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 5 (2018): Edisi 1 Januari s/d Juni 2018
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Abstract Increased CO2 content causes an increase in greenhouse gas emissions in the atmosphere that cause global warming which then trigger climate change. One of the marine resources that acts as an absorber of CO2 in mitigating global warming is the seagrass ecosystem. In the waters of Nirwana Beach of West Sumatra, seagrass (Thalassia hemprichii) is one and only important types of seagrass. This study was conducted in December 2017-February 2018 in Nirwana Beach of Padang City West Sumatra, which aims to estimate the biomass, the average C-organic content and to identify the seagrass body part as the largest carbontrap as well as to estimate the relationship between the carbon storage and density of seagrass T. hemprichii. Sampling andmeasurement of water quality was done byusing quadratic transect at 3 stations. The results of the study showed that the largest biomass and largest carbon storge from all study sites were at the Bottom of Substrate (roots and rhizomes) with 315.46 gdw/m2 and 81.95 gC/m2. The highest average C-organic content in all sites was forwad on the root of the seagrass with a value of 27.76%. Relationship between carbon stroge and density of seagrass is best stronge y =16.11+15.56x;R² = 0.89; r = 0.79. Keywords: Global Warming, Seagrass, Biomass, C-organic
STUDY OF POTENCY DEVELOPMENT OF MARIN ECOTORISM TANGAH ISLAND PARIAMAN CITY WEST SUMATERA PROVINCE Setiawan, Ilham; Tanjung, Afrizal; Yoswaty, Dessy
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 5 (2018): Edisi 1 Januari s/d Juni 2018
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 Abstract                This research was conducted in March - April 2018 in Tangah Island, Pariaman City, West Sumatera Province. The study aims to identify potential natural resources to be used as marine ecotourism, formulate strategies and assess the role of stakeholders in Pariaman City in developing Tangah Island. The method used in this research is survey method and station point determination by purposive sampling. The calculation result of Value of Conformity Index is 83.33 (Station I), 86.53 (Station II), 84.61 (Station III), 84.61 (Station IV). An assessment of the strengths, weaknesses, opportunities and threats of potential development of marine ecotourism of Tangah Island is obtained from observations at research sites, interviews and questionnaires. Pariaman city has the potential as a marine ecotourism area such as natural beauty of nature, culinary tour, cultural tourism, beach with white sand and interesting underwater scenery. The development of marine ecotourism object in Tangah Island can be done by 1) Spatial and area arrangement by establishing zonation system for marine tourism activities and activities undertaken by the community towards marine ecotourism activities and coastal environment management, 2) Creating job field and reducing poverty level and preserving nature, 3) Utilizing the potential of natural resources, history, culture, accessibility of the region to attract visitors through the development and development of marine tourism with the concept of ecotourism through the stages of promotion.Keywords: Potential, Marine Ecotourism, SWOT Analysis, Tangah Island
The Effect of Density and Feeding Rate on the Growth and Survival Rate of Gold Fish Larvae (Carassius Auratus) Maintained With a Water Recirculation System Trisandi, Ilham; Alawi, Hamdan; Aryani, Netti
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 5 (2018): Edisi 1 Januari s/d Juni 2018
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ABSTRACT The effect of stocking density and feeding rate on the growth and survival rate of comet gold fish larvae (Carassius auratus) was conducted on 14 May to 23   June 2017 in the Laboratory of Fish Hatchery and Breeding Faculty of Fisheries and Marine, University of Riau. The larva was reared in 15 liters aquarium using water resirculation system. This research used the experimental method, while the experimental design using Completely Randomized Design (CRD) two factors. First factor was stocking density with four treatments (1 larvae/liters, 2 larvae/liters,3 larvae/liters, 4 larvae/liters) and second factor was feeding rate with two treatments( 40 % and 60 % body weight/day). To minimize errors, each treatment repeated 3 times. The growth and survival rate of larvae reared at stocking density 1 larvae/L and feeding rate 60% body weight/day were significantly higher than those it 2, 3, 4 larvae/L and 40 % Bw/day respectively. Larvae reared at stocking density 1 larvae/Liter and feeding rate 60% body weight/day was the highest in growth the survival rate, that was 2.46 g, 4,36 cm, 12,94 % /day and 100 % survival rate. The water quality parameters during this research were: temperature 24,6-28,2 0C, pH 5,2-6,8 and dissolved oxygen 4,9-6,0 mg/l. Key word : Carassius auratus, density, feeding rate, growth, survival rate and recirculation
The Effect of Different Composition of Aren Sugars (Arenga pinnata) on the Quality of Tilapia (Oreochromis niloticus) “Bekasam Hutabarat, Sarima Ruth; Sari, N. Ira; Leksono, Tjipto
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 study was aimed to determine the effect of the different composition of aren sugars (Arenga pinnata) on the quality of tilapia (Oreochromis niloticus) Bekasam. The research was using the experimental method and designed as the the Completely Randomized Design (CRD). The treatment conducted was addition of aren sugar at different compositions, namely: 40% rice flour without aren sugar added, 3% and 5% aren sugar added.  Parameter used were  organoleptic value, pH, total lactic acid, and total plate count. The result was showing that the bekasam added with 40% rice flour 5% sugar aren was producing the best quality of bekasam. The best bekasam was indicated by the highest organoleptic quality with the value of appearance 7.2 with the characteristic of interesting, clean, brownish color; the value of texture 6.36 with the characteristics of chewy, solid, and compact; the value of aroma 7.9 with specific characteristic of fresh and typically bekasam;  and the value of taste 6.92 with the characteristic of acid, salted, typically bekasam and slightly tasted of palm sugar, pH value of bekasam was 4.6,tpc of bekasam 2,6 14x103">  cfu/gr, and the total of lactic acid bacteria was 5.7 X 106 cfu/gr. Keywords : Bekasam, Tilapia (Oreochromis niloticus), Rice flour, Aren Sugars
STUDY OF FLAVOUR MODIFICATION ON PROCESSING OF SHREDDED TUNA FISH (Euthynussp) Kevin Eka Putra; Sukirno Mus; Dewita Dewita
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 5 (2018): Edisi 1 Januari s/d Juni 2018
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ABSTRACT             This research was aimed to determine of flavour modification on processing of shredded tuna fish towards consumer acceptance. The fresh tuna fish as raw material was obtained from coastal areas West Sumatera (Bungus). The method used in this research was experimental method with Completly Randomized Design non factorial with 3 levels of treatment, i.e.natural flavour (AT0), rendang  flavour (AT1), and curry flavour (AT2) with 3 replicates.The result showed that the best treatment of shredded tuna fish was rendang flavor (AT1) with 28 panelists (35%) with characteristics: yellowish brown appearance, slightly dry texture, typical rending flavour, typical rendang aroma and strong turmeric smell, followed by AT2 (curry flavour) with 27 panelists (34%) with caharecteristics: light brown appearance, dry texture, typical curry flavour, typical curry aroma and AT0 treatment (natural flavour) with 25 panelists (31%) with caharacteristis brown appearance, less dry texture, tasty less goodand fishy taste still strong,  aroma was rather fishy. Keywords: shredded fish, Euthynussp, consumer acceptance.
Pengaruh Dosis Biofertilizer Formulasi Dan Biomass Azolla microphylla Terhadap Perubahan pH Air Pada Wadah Tanah Gambut Zalukhu, Ida Yanti; Syafriadiman, Syafriadiman; Hasibuan, Saberina
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 5 (2018): Edisi 1 Januari s/d Juni 2018
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ABSTRACT This research was conducted on October 1th to December 31st, 2017 in the Kualu Nenas Village, Tambang District, Kampar regency, Riau Province. Objective of study was to determine the effect of doze of biofertilizer formulations, and biomass of Azolla microphylla, especially the change of pH in the each treatments. Method of this research used the experimental design by factorial experiment with Complit Randomized Block Design (CRBD). The fisrt treatment was used the doze of biofertilizer formulation (P), without doze of biofertilizer formulation (P0), doze 300 g/m2 (P1), doze 450 g/m2 (P2), doze 600 g/m2 (P3), doze 750 g/m2 (P4). And the second treatments was the biomass of Azolla microphylla (B), without biomass Azolla microphylla (B0), biomass Azolla microphylla 20 g/m2 (B1), biomass of Azolla microphylla 40 g/m2 (B2), biomass Azolla microphylla 60 g/m2 (B3). Result of this research showed the doze of biofertilizer formulation had in effects to the change of pH, while the biomass of Azolla microphylla  not on the effect to the change of pH in the water. The best treatment for doze of biofertilizer formulation  was P3 (doze 600 g/m2) was pH value 6,95±1,14. Then, the best of combination factors of using in the research was P3B3 (600 g/m2 and 60 g/m2), was pH value 7,17±1,10. Water quality parameters measuring were temperature, DO, and CO2 were good, and suppated to the cultivation in peatlands. Keywords: Biofertilizer Formulation, Biomass Azolla microphylla, pH, Peat Land
PRODUCTION AND MARKETING OF GOLDFISH SEED (Cyprinus Carpio) IN EAST PASAMAN REGENCY WEST SUMATERA PROVINCE Rini, Rekian Rahma; Hendrik, Hendrik; Hamid, Hamdi
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 5 (2018): Edisi 2 Juli s/d Desember 2018
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                                           Abstract               Research on production and marketing of goldfish seed (Cyprinus carpio) in East Pasaman Regency West Sumatera Province has been done in February 2018 in East Pasaman District West Sumatera Province. The purpose of this research was to know the production of goldfish seed by size and marketing of goldfish seeds. The data collection for seed cultivators and seed traders done on a Random Sampling.               Production of goldfish seeds in this area for size 2 - 3 cm in size with the amount of 240.3888.410, followed by 3 - 5 cm with the amount of 33.678.288, and 5 - 8 cm with the amount of 129.482.820 every year. Production of all seeds by 2017 were 303.100.514 goldfish seeds. This seed is produced from Rao District and South Rao District. For sized seeds 2-3 cm and 3-5 cm 90% marketed in East Pasaman area. While the seeds are sized 5-8 cm  48,84% marketed in long hydroelectric reservoirs, 27,90% on the Maninjau and 23,25% on the Rantau Berangin. Based on increasing production data, growing demand and agribusiness systems that continue to grow it can be said the marketing prospects of goldfish seeds in East Pasaman is very good. Keywords : Production, Marketing, Carp Fish Seeds, East Pasaman Regency

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