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INDONESIA
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan
Published by Universitas Riau
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Earth & Planetary Sciences
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Articles 2,919 Documents
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SEDIMENT CHARACTERISTICS AND DISTRIBUTION OF CRAB Scopimera globosa ON THE SELAT BARU BEACH BENGKALIS DISTRICT Rahdian Putra; Elizal '; Thamrin '
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 4, No 2 (2017): Wisuda Oktober Tahun 2017
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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Abstract

The research was conducted in December 2016 at the Selat Baru Beach of Bengkalis District, Riau Province. The aim of the research is to find out and to analyze, the characteristics of sediment and the distribution of crab Scopimera globosa, as the influence of sediment grain size on the abundance of crabs. This method used was survey method and the sampling location determined by purposive sampling. The location were divided into three stations and at each station there were three sub-stations spread in the intertidal zone and split three sub-zones to : upper, middle and lower. The type of sediment on this beach consisted of sand fraction and dominated by fine sand, with the distribution of the fraction from Well sorted, Moderately well sorted, Poorly sorted and Very poorly sorted. The distribution of crabs Scopimera globosa was a clumped pattern on each station with the highest abundance value in second station located and the middle sub-zone (the most productive zone for growth of the crab Scopimera globosa) and the sediment mean size to contributes 1.2% in control to distribution of the crab Scopimera globosa.Key words : Sediment Characteristics, Distribution Scopimera globosa, sand fraction, Sub-Zone Middle, Contribution of 1.2%.
EFFECT OF TEMPERATURE DIFFERENCE ON HATCHING EGGS OF GREEN TURTLE (Chelonia mydas) Ikhsan Setiawan; Efriyeldi '; Elizal '
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 4, No 2 (2017): Wisuda Oktober Tahun 2017
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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The purpose of this research was to know the condition of nesting beaches favored by green turtles (Chelonia mydas) and the effect of incubation temperature (heating source from incandescent) towards the incubation and hatching rate success. This research was conducted in October to December 2016 at the Turtle Breeding Facility at Jemur Island. This research used survey and experiment method. The research showed that the safe nesting ground with some vegetation on location I and the least predator at the location II, the wide beach area, and sloping beach with fine sand which making it easier for green turtles in digging the nest. These conditions were the reasons why green turtles choose Jemur Island as their nesting ground. Incubation temperatures effects the hatching rate success and hatching time of sea turtle’s eggs. The treatment that has the highest hatching rate is a 25 Watt light with average temperatures of 29.7oC which is 83.33%. Treatment using a 25 Watt light is the best treatment, with a highest numbers of hatching rate and has the fastest hatching time. Keywords: Hatching Egg turtle, Chelonia mydas, Jemur Island
The Abundance Of Phytoplankton In Media Of Peat Soil Given Different Vermikompos Hamsar Susilo Dinata; Saberina Hasibuan; Syafriadiman '
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 4, No 2 (2017): Wisuda Oktober Tahun 2017
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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The research was conducted in January to March 2017, located in thevillage of Qualu Nenas, Tambang Subdistrict, Kampar District, Riau Province.Phytoplankton observation was conducted in Environmental Quality Laboratoryof Cultivation, Faculty of Fisheries and Marine University of Riau. Method thisresearch using a Complete Randomized Design (CRD) was one factor with 4levels of treatment. The kinds of using are P0 (without giving the vermicompos),P1 vermicompos from human feces (0,615 kg m-2), P2 vermicompos from cowfeses (0,615 kg m-2) and P3 vermicompos from chicken feses (0,615 kg m-2).The best of treatment of this research was the P1 vermicompos from human feces(0,615 kg m-2). Phytoplankton abundance this treatment is 17.520 individu/L,rather than of the other treatment. The water quality parameters in this research isgood, especially of temperature 27-32 0C, pH 3.6-6,8, dissolved oxygen 2,0-3,3mg/L, nitrate 4.66-10,44 ppm and orthoposfat 2,50-6,76 ppm. refering for theQuality Standart of Aquaculture.Keywords: Vermikompos, Phytoplankton, Peat soil, Water quality
SEDIMENT DISTRIBUTION PATTERNS ANALYSIS AT SHORELINE CHANGED AREAAROUND CAROLINA BEACH PADANG CITY WEST SUMATERA PROVINCE Prastya Bayu Afrian; Rifardi Rifardi; Yusni Ikhwan Siregar
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 5 (2018): Edisi 2 Juli s/d Desember 2018
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                                                 ABSTRACTThe study was conducted in Desember 2017 to March 2018 in the Carolina Beach Padang City West Sumatera Province. The purpose of the study was to determine the characteristic of sediment in the area based on sediment grain size distribution, fraction sediment type, sediment statistic parameters and sediment compotition. The metdhod used was survey with purposive sampling method, where the location of study was divided into 10 sampling points across the shoreline changed area. The result showed that the study area was dominated by muddy sand sediment with sediment compotition of lithogenous. Based on their sediment characteristic location of study was divided into 3 area,  (1) abration area, (2) accretion area and (3) estuary area. Founded that there were sediment fraction difference between the accretion area and abration area. Key words: Characteristic of Sediment, Shoreline Change, Carolina Beach
COMUNITY STRUCTURE OF GASTROPOD ON MANGROVE FORESTS DESA LALANG KECAMATAN SUNGAI APIT KABUPATEN SIAK Susanti, Rahmi; Efriyeldi, Efriyeldi; Nasution, Syafruddin
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 5 (2018): Edisi 1 Januari s/d Juni 2018
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 AbstractThe class of gastropods is the largest class in Phylum Molluska. One of the habitat that is controlled by gastropod is mangrove forest. The structure of the gastropod community of phylum molluska is influenced by changes in environmental factors. This research was conducted in Lalang Village Sungai Apit Subdistrict Siak Regency, in March 2018. The purpose of this research is to know the structure of gastropod community which includes: type, density, diversity, uniformity, dominance, distribution pattern.To support the research data, also observed mangrove density and  water quality in Lalang Village in Sungai Apit Subdistrict Siak Regency. Sampling using line transect method was done on 3 stations. 6 gastropod species found in mangrove forest area with the value of gastropod density obtained at each research station is 3.57-4.84 ind / m2. the value of its diversity ranges from 1.02-1.11. while the value of uniformity obtained is 0.48-0.62 and the dominance value ranged from 0.14 to 0.17. Gastropod distribution pattern is uniform, type of mangrove that is found  is 6 species.Kata Kunci:Gastropoda, Comunity structure, Mangrove
THE EFFECT OF THE DIFFERENTAMOUNTOF SALT ADDEDIN FERMENTATION OF SHRIMPREBON (Acetes erythraeus) ON THE CONSUMER ACCEPTANCETO CINCALOK Rosmaniar Rosmaniar; Edison Edison; Suparmi Suparmi
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 study aimed to determine the consumer acceptance on fermented rebon shrimp (cincalok) and the amount of salt appropriate to stimulate the growth of lactic acid bacteria in it.The method used in this research was the experimental method and composed as Completely Randomized Design (CRD).The experiment was conducting byproducingcincalokadded with different amount of salt (15%, 20%, and 25%, each based on the rebon shrimp weight). The parameters used were organoleptic evaluation (appearance, aroma, taste and texture) and the amount oftotal lactic acid bacteria (LAB). The results showed that the different amounts of salt added was significantly affecting to theconsumer acceptance on rebonshrimpcincalok. The highest consumer acceptance of cincalok was produced by addition of 25% salt, showing by the highest value of appearance (7.6), aroma (7.4), flavor (6.4), and texture (6.9).The different amount of salt also affected significantly to the LAB growth, showing by the highest amount of total LAB 17,55 x 103cfu/g in the cincalok produced by addition of 25% salt.It could be concluded that the best treatment was addition of 25% salt to produce the most preferred cincalok. The organoleptic characteristics was shown by the attractive appearance with bright pink color; the rather sour aroma typical of cincalok; a combined taste of slightly acid and salty typical of cincalok; and slightly dense waterytexture.            Key words:Acetes erythraeus, Consumer acceptance, Lactic Acid Bacteria, Salt
ANALYSIS OF METAL CONTENT OF Pb, Cr, Cu, AND Zn IN GONGGONG SNAIL (Strombus canarium) FROM COASTAL WATERS OF SINGKEP ISLAND LINGGA REGENCY OF RIAU ARCHIPELAGO PROVINCE Meiji Nurdiansyah; Bintal Amin; Nursyirwani Nursyirwani
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 December 2017 in the coastal waters of Singkep Island, Lingga Regency, Riau ArchipelagoProvince. The purpose of this research was to analyse the content of metal Pb, Cr, Cu and Zn on soft tissue in gonggong snail (S. canarium) with different size and from two different stations. This study also determine the status of heavy metal pollution based on MPI (Metal Pollution Index) value and the feasibility consumption of gonggong snail. Analysis of metal content of heavy metal based on Yap et al., (2003). The results showed that the highest metal content of Pb was found in large snail size (1.1827 µg/g) at Station 2 and the highest Cr content was found in medium-sized snails (1.4053 µg/g) at Station 2. Highest Cu (27.9133 µg/g) in Station 1 and the highest Zn content was foundin large snail size (52.3273 µg/g) at Station 1. Average Cu and Zn content (23.7581 µg/g and 48.2146 µg/g) was higher than that of Pb and Cr (0.7800 µg/g and 1.0089 µg/g) in snails soft tissues. The MPI value of Singkep Island waters was 5.48 which was still relatively low. Based on the calculation of PTWI, gonggong snail in Singkep Island waters was still safe and feasible to be consumed for not exceeding the safe limits of consumption that has been determined, these are for Pb (8.9755 kg/week), Cr (6.3832 kg/week), Cu (41.2491 kg/week), and Zn (40.6516 kg / week). Key Words: Singkep Island, Heavy Metal, Pollution, Gonggong Snail (Strombus canarium)
QUALITY STUDY OF KITIN AND KITOSAN OF KARNAVERSE LOBSTER FRESH WATER (Cherax quadricarinatus) BASED ON MORFOMETRIC LINEN TOBA NORTH SUMATERA PROVINCE Yoanes Namora Sembiring; Mery Sukmiwati; Suparmi Suparmi
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 5 (2018): Edisi 1 Januari s/d Juni 2018
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ABSTRACTThe aim of this research was to determine the characteristics of the quality of chitin and chitosan of fresh water lobster (Cherax quadricarinatus) carapace. The method used was an experimental method with a Completely Randomized Design (CRD) which consists of 3 levels of treatment: large morphometric 13-18 cm, moderate morphometrics 7-12 cm and small morphometric 1-6 cm, with 3 replicates. The parameters used were yield, moisture content, chitosan solubility, deacetylation degree, ninhydrine test and organoleptic test.The results showed that the best chitosan quality was obtained in moderate treatment (7 -12 cm) with yield 90.49%, moisture content 6.10%, deacetylation degree 56%, organoleptic test 5.45%, ninhidrine test 0.5129 g. Keywords: chitin and chitosan, carapace, freshwater lobsters, morphometrics, organoleptics, moisture content..
STUDY OF MARINE ECOTOURISM POTENTIAL THE SIRANDAH ISLAND BUNGUS TELUK KABUNG REGENCY OF WEST SUMATRA PROVINCE Gustasya, Yosy; Yoswaty, Dessy; 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 Sirandah Island is one of the small islands in Padang City, a tourist destination of the bustling islands visited today. This studywas conducted inMay 2018, aims to analyze the suitability of the area owned by Sirandah Island by taking into account the land suitability index of Sirandah Island, so that it can be developed as a tourist area and marine ecotourism.The method used is tourism conformity analysis with calculation of score and weight. The results show that the condition of the coastal area around Sirandah Island is still in good condition. Overall the island is surrounded by shore beaches, white sandy sediments, classified as sloping, the coast is wide and wide. Waters around the island has a depth of the sea reaches 50 m (near the coast is still 0 - 10 m), belonging to shallow water. The surface current condition is quite low, ranging from 0.07 - 0.12 m / s. The quality of seawater around the island is also quite good, the temperature value (SPL) ranges from 31 ° C, pH 6, salinity 34 - 35 ppt and 10 m (10%) water transparency. The condition of coastal and aquatic characteristics of Sirandah Island is very supportive for island tourism, namely beach tourism (recreation) very appropriate (S1) with value 86,96%, coastal tourism category boating, banana boat, and jet ski according to (S2) with value 17.33. Keyword : level of conformity, marine ecotourism, Sirandah Island
STUDY OF PIER UTILIZATION IN THE CILACAP FISHING PORT CENTRAL JAVA PROVINCE Putri, Mulyani Indah; Syaifuddin, Syaifuddin; Zain, Jonny
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 5 (2018): Edisi 2 Juli s/d Desember 2018
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                                                AbtracPier is one of main facilities at Cilacap Fishing Port which is very needed for a port. The importance of the pier for fishing port can be seen by the pier’s separation according to the activities. The success of a fishing port in operational can be seen from the activities on the pier. The purpose of this study is to determine the utilization of the pier and the utilization rate of the pier at the Cilacap Fishing Port. This research has been conducted at Cilacap Fishing Port using survey method by conducting observation and direct interview with local port and fisherman. The results showed that the utilization of the pier at the Cilacap Fishing Port spesifically the I’s Pier has the utilization of loading and unloading pier for 105.66%, while the utilization rate of loading and unloading at II’s and the last is III’s Pier has the number of utilization rate about 121.27%. The percentage of utilization level of both pier is categorized as very well.Key words: Pier, Cilacap Fishing Port, Rate of Utilization.

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