cover
Article Per Year (5 Year)
All
Home Page
OAI Link
Editorial Team
Contact
Reviewer
Google Scholar
Contact Name
-
Contact Email
-
Phone
-
Journal Mail Official
-
Editorial Address
-
Location
Kota pekanbaru,
Riau
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
 183   184   185   186   187 
Community structure of makrozoobenthos in swamp area of the Sawah Village, Kampar Regency, Riau Harahap, Masdalifa; Fajri, Nur El; Adriman, Adriman
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 6 (2019): Edisi 1 Januari s/d Juni 2019
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

ABSTRACTIn the swamp area of the Sawah village, there are settlements, agriculture and farms that flew their liquid waste to the swamp and polluting that area. To understand the water quality of the swamp based on macrozoobenthos community, a research was conducted in March-April 2018. The method used is survey method.The location of the sampling is determined using purposive sampling. Samples taken with PVC pipe ( 7 cm diameter), then it was sieved and sorted by hand. Captured macrozoobenthos was preserved with formalin 10%.Parameters measured were the abundance, diversity index, dominance index, and uniformity index. Water quality parameters measured were temperature, transparency, depth, pH, and dissolved oxygen.There were 3 stations and in each station, there were 3 sampling points. Macrozoobenthos and water were sampled 3 times, once/week. Result shown that there were 4 types of macrozoobenthos present, namely Annelids (Hirudo sp.), crustaceans(Macrobachium sp.), insects(Ablesmyia sp.) and oligochaete(Lumbricus sp.). The abundance of macrozoobenthos ranged from 59 -113 organisms/m2, diversity index was 0.930-1.740, dominance index was 0.651–0.3524, and uniformity index was 0.588–0.870. The water quality parameters were as follow: temperature 29 – 30 0C, transparency 57- 62 cm, depth 1.22-0.97 m, pH  5 and dissolved oxygen 4.7-4.5 mg/L. Data obtained indicate that the water of the Sawah Village is moderately polluted.Keywords :swamporganism, swamp pollution, diversity index, purposive sampling
IDENTIFICATIONOF ISOLATED FUNGI FROM SKIPJACK (Katsuwonus pelamis) KATSUOBUSHI DURING FERMENTATION Gultom, Debby Theresia; Tjiptoleksono, Tjiptoleksono; Mus, Sukirno
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 6 (2019): Edisi 1 Januari s/d Juni 2019
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

ABSTRACT Theaim of the studywas to identify the isolated fungi from skipjack (Katsuwonus pelamis) katsuobushi during the fermentation process by using macroscopic and microscopic method and thento evaluate theorganoleptic characteristics of katsuobushi produced. The method used was descriptive which explained the process of making katsuobushi, the description of theisolated fungi whichwas grown in katsuobushi and the identification of the fungi macroscopically and microscopically, and also the proximate composition, including moisture content, ash content, pH value and total phenol content. The result showed that some species of fungi grown on the surface of katsuobushi during fermentation areAspergillus nigger, Aspergillus parasiticus, Aspergillus oryzae, Penicillium sp andFusarium sp. The katsuobushi fermentation process for 3 weeks indicated the higest organoleptic values,namely the value of appearance 7.7, odor 7.8, and taste 7.7. The chemical characteristics showed that the moisture content during the fermentation process was16.0 % for a week, 18.6 %for two weeks and 18.9 % for three weeks, but all were still under the value determined by the Indonesian Nasional Standards.The total number of microbia during fermentation was 4.3 x 103 CFU/gfor a week, 2.3 x 103CFU/gfor two weeks, 2.8 x 103 CFU/g forthree weeks,and 4.1 x 103 CFU/g for four weeks.All were also still under the value determined by the Indonesian Nasional Standards. Key words :Fermentation, Fungi, Isolation,Katsoubushi, Skipjack
Replacement artemia nauplii by Tubifex sp. In reaving Walking Fish Larvae (Anabas testudineus) Erma Juniarti; Sukendi Sukendi; Hamdan Alawi
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 6 (2019): Edisi 1 Januari s/d Juni 2019
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

                                                  Abtract This research was conducted in December until January 2018 in the  Fish Breeding and hatcheryDepartment of Aquaculture, Marine Fisheries Faculty University of Riau, Pekanbaru. The purpose of this research is to know how the replacement of Artemia nauplii with worm Tubifex sp. on the rearing of fish larvae (Anabas testudineus). The treatments  applied in this study were the P1: feeding Artemia nauplii(40 days) P2: feeding Artemia nauplii (10 days) and feeding Tubifex sp. (30 days) P3: feeding Artemia nauplii after (20 days) and feeding Tubifex sp. (20 days) P4: feeding Artemia nauplii (30 days) and feeding Tubifex sp. (10 days), P5: feeding Tubifex sp. (40 days). The results showed that the worm Tubifex sp. Artemia nauplii can be replaced as feed early or up to 20 days. Maintenance on the larvae of fishes anabas were 1.17 grams of absolute weight growth, 5.81 cm of absolute length growth, specific growth rate was 11.92% and Survival Rate was 83.33%. Water quality during the study i.e. the temperature range was 26-290C, pH range was between 6-7 and DO was 4.2-5.2. Keywords : Replacement, Artemia nauplii, Tubifex sp. Walking Fish Larvae (Anabas testudineus)
Addition of Turmeric Curcumin Extract in Feed to Improve Non-Specific Immunity of Pangasius hypothalmus that is Maintained in Cages Andesra, Andesra; Riauwaty, Morina; Syawal, Henni
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 6 (2019): Edisi 1 Januari s/d Juni 2019
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

ABSTRACT This research was conducted on June until August 2018 in Experimental Pond and Laboratory of Parasites and Fish Diseases, Faculty of Fisheries and Marine Science, University of Riau, Pekanbaru. The purpose of this study was to determine the effect of adding turmeric curcumin extract and the best dosage of turmeric curcumin extract which was added to the feed to enhance the non-specific immune system of Pangasius hypothalmus which is maintained in cages. The method used is the experimental method with a Completely Randomized Design (CRD) of one factor 4 level of treatment. Each treatment, namely: P0: Feeding without addition of turmeric curcumin extract, P1: Adding turmeric curcumin extract in feed at a dose of 0.5 g / kg, P2: Adding turmeric curcumin extract in feed at a dose of 0.7 g / kg , P3: Addition of curcumin extract in feed at a dose of 0.9 g / kg. The test fish used was Pangasius hypothalmus with a size of 7-8 cm as many as 600 tails. The parameters measured are; total leukocytes, leukocyte values, leukocyte differentiation, phagocytic index, absolute weight growth, survival rate and water quality measurements. The results obtained from the study, namely there is the effect of giving turmeric curcumin extract in feed with the best dose is 0.9 g / kg, which is indicated by a total leukocyte of 9,41x104 cells/mm3, leukocyte value of 1,67%, lymphocytes value 80,67 %, neutrophils 7.33%, monocytes 12.00%, phagocytosis index 29.67%, absolute weight growth 31.67% and survival rate 99.33%. Keywords: Leukocytes, Pangasius hypothalmus, Turmeric curcumin extract 
Community Structure of Gastropods in the Mangrove Ecosystem in the Mengkapan Village, Sungai Apit District, Siak Regency, Riau Province Devi Sulastri; Adriman Adriman; Muhammad Fauzi
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 6 (2019): Edisi 1 Januari s/d Juni 2019
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

AbstractOn the coast of Mengkapan Village there is a mangrove forest covering an area of ± 30 Ha. The condition of mangrove forest has been changed due to domestic waste and oil spills.Secondary impact of mangrove ecosystem changes affect the associated organisms such as gastropods. To understand the community structure of gastropods in that mangrove ecosystem, a research was conducted on February-March 2018. The methods used in this research is survey method. There were 3 line transects and in each line there were 3 plots (1mx1m). The gastropods present in the plots were collected manually every two weeks. Results shown that there were 9 gastropods species present, they were Cassidula aurisfelis, Cerithidea obtusa, Cerithidea quadrata, Cerithideopsilla alata, Chicoreus capucinus, Indothais gradata, Littoraria melanostoma, Nerita lineata dan Telescopium telescopium. The gastropods abundance was ranged from 15-26 organisms/m2. The value of diversity index was (H') 2.46-2.81, the dominance index (C) was 0.17-0.24 and the uniformity index (E’) was 0.82-0.89. The water quality parameters are as follows: temperature was 25-28 0C, pH of the water was 7-6, pH of the soil was 6-7 and salinity was 22-260/00. Data obtained from this research indicate that the anthropogenic activities in the Mengkapan Village slightly affects the gastropod community. Keywords:Diversity Index, Dominance Index, Coastal Area,Line Transect, Anthropogenic 
Types and Abundance of Phytoplankton in The Sepinang Lake, Siak Hulu Sub-District, Kampar District, Riau Province Yunita, Sarah Amelia; Siagian, Madju; Simarmata, Asmika Harnalin
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 6 (2019): Edisi 1 Januari s/d Juni 2019
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

ABSTRACTThere were several human activities around the Sepinang Lake such as agriculture and palm plantation contributes the input of organic and anorganic matter that influence the type and abundance of phytoplankton. To understand the types and abundances of phytoplankton present in the Sepinang Lake, a researchhas been conducted in March-April 2018. There were three sampling points, namely in the inlet, in the middle of the lake, and in the end of the lake. In each sampling point,water was sampled from the surface and 2 Secchi depth. Samplings were conducted 3 times, once/week.Water quality parameters measured were temperature, transparency, depth, dissolved oxygen, CO2, nitrate, phosphate and pH.Results shown that there were 47 species of phytoplankton that were belonged to 5 divisions, namely Chrysophyta (10 species), Chlorophyta (25 species), Cyanophyta (8 species), Euglenophyta (3 species) and Cryptophyta (1 species). The phytoplankton abundance of the Sepinang Lake was 106,490 – 150,650 cells/L. The most common type of phytoplankton present wasMonoraphodium griffithii.Result shown that the temperature was 30.6-320C, transparency was 49.3-62.8 cm, depth was 211-223.6 cm, dissolved oxygen was 4.22-5.58 mg/L, CO2 was 11.32-13.32 mg/L, nitrate was 0.07-0.23 mg/L, phosphate was 0.09-0.23 mg/L and pH was 5.3-5.6. Based on the type and abundance of phytoplankton present, it can be concluded that the Sepinang Lake can be categorized as mesotrophic. Keywords: Kampar River, Oxbow Lake, Mesotrophic, Monoraphodium
The Effect Of Stocking Density and Feeding Frequency On Growth and Survival Rate Of Hard-Lipped Barb Larvae (Osteochilus hasselti C.V.) Nicolas Maruli S; Netti Aryani; Sukendi Sukendi
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 6 (2019): Edisi 1 Januari s/d Juni 2019
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

AbstractThe aim of this research was to determine the effect of stocking density and feeding frequency on growth and survival rate of hard-lipped barb larvae. This research was conducted from July-August 2018 at Fish Hatchery and Breeding Laboratory, Fisheries and Marine Science Faculty Riau University. The Method used is a Factorial Completely RandomizedDesign with two factors, the first factor is stocking density with three levels namely 3 larvae/L (T3), 5 larvae/L (T5) and 7 larvae/L (T7). While the second factor is feeding frequency 2 times/day (F2) and 4 times/day (F4).To minimize errors, each level of treatment was repeated 3 times. The result showed that stocking density and feeding frequency were significant on absolute weight, absolute length, average growth rate, survival rate and feed efficiency. The treatment T3F4 (3 larvae/L and feeding frequency 4 times/day) was resulted the highest value with an absolute weight of 1,58 gr, absolute length 3.72 cm, average growth rate of 14.09 %/day, feed eficiency 19 % and survival rate 91,11 %. The water quality parameters during research was in optimal range temperature 25,3-27,8°C, pH 5,1-6,5 and dissolved oxygen 4,1-5,2 mg/l. Keywords : Stocking denstity, Feeding frequency, Growth, and Survival rate 
Trophic State of The PLTA Koto Panjang Dam Kampar Regency Based on TSI (Trophic State Index) Valentina Manurung; Madju Siagian; Asmika H Simarmata
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 6 (2019): Edisi 1 Januari s/d Juni 2019
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Abstrac Trophic State Index can be used to determine the trophic state of waters. The TSI was calculated based on chemical, biological and physical parameters and it is more representative for analyzing the trophical state of waters. To understand the trophic state of the PLTA Koto Panjang Reservoir, a research has been conducted in May 2018. There were four sampling stations, namely Station 1 (area with 100-150 floating cages) , Station 2 (area with 200-300 floating cages) and Station 3 (area with 946 floating cages). In each station, there were three sampling points, in the surface, in 2 Secchi depth, and in 4 Secchi depth. Sampling were conducted 3 times, once/week. Water quality parameter measured were total phosphorus, chlorophyll-a, transparency, temperature, pH, dissolved oxygen and free carbon dioxide. Trophic status was calculated based on Carlson’s Trophic State Index (TSI). The water quality parameter values were as follows: transparency 65.17-74.33 cm, total phosphorus 0.14 - 0.43 mg/L, chlorophyll-a 2.22 - 6.53 µg/L, depth 119.3 - 132.0 cm, temperature 27.7 - 31.7oC, pH 5.0, dissolved oxygen 3.04 - 6.81 mg/L and free carbon dioxide 09.39 - 26.93 mg/L. Trophic State Index value of the PLTA Koto Panjang Reservoir was 60.50 - 65.00, it indicates that the PLTA Koto Panjang water is in moderate eutrophic condition. Keywords: Carlson’sTrophic State Index, TSI,  moderate eutrophic, and water quality
THE COMPOSITION OF THE MAIN AND SIDE CATCHES ON THE PURSE SEINERS(PURSE SEINE) FISHING GEAR IN THE BUNGUS OCEAN FISHING PORT Riau Firnanda AR; Pareng Rengi; Isnaniah Isnaniah
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 6 (2019): Edisi 1 Januari s/d Juni 2019
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

ABSTRACT Purse seine is considered to be the most productive fishing gear to catch pelagic fish, so that in 2014-2017 there were 50 units of ships carrying out loading at the Samudera Bungus Oceanic Fishing Port operate in the Fisheries Management Area  of the Republic of Indonesia (WPP 572) with the largest production of catches 887.124 Kg, but in conducting an arrest operation have you got the optimal catch. Because during this time the operation of the arrest was only determined based on experience. This study aims to determine the composition of the catch purse seine based on the main and side catches and to know the pattern of the catching season. The method used is a direct survey method which includes primary and secondary data containing the last 4 years (2014-2017) obtained from the Bungus Ocean Fishing Port. The catches during the study were 10 types of fish: fish cakalang (Katsuwonus pelamis), tongkol krei (Auxisthazard),madidihang (Thunnus albacares), mata besar (Thunnus obesus), lisong (Auxis rochei), sunglir (Elagatis bipinulatus), lemadang (Coryphaena hippurus) as the main catch (Main catch). Whereas fish layang (Decapterus macrosoma), layaran (Istiophorus oriantalis), baby tuna (Euthynnus alletteratus)is a side  (by-catch). Keywords: composition of the catch, purse seiners, fishing season
SENSITIVITY OF BAY LEAF (Syzygium polyantha) SOLUTION TOWARD Aeromonas hydrophila Vekri Ramadhi; Morina Riauwaty; Henni Syawal
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 6 (2019): Edisi 1 Januari s/d Juni 2019
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

ABSTRACTThis research was conducted from Juni to October 2018, atParasites and Fish Disease Laboratory, Faculty of Fisheries and Marine, University of Riau. The Purpose of this study was to determine the sensitivity of bay leaf (Syzygium polyantha) solution as antimicrobial to Aeromonas hydrophila, the range of Minimal Inhibitory Concentration (MIC) and the lethal dose (LD50) bay leaf (Syzygium polyantha) solution against to catfish (Clarias sp.) (8-10 cm) by immersion for 24 hours. Sensitivity test is using the method of Kirby-Bauer disk blank 6 mm disc with dose used were 100%, 90%, 80% , 70%, 60%, 50%, 40%, 30%, 20%, 10%,9%, 8%, 7% and control Novobiocin. The result shown that the bay leaf solution can inhibit the growth of bacteria Aeromonas hydrophila that in the dose of 7% with 6,13 mm clear zone . MIC test showed this resueld is 12% has a number of colonies of bacteria aqual 159.66 CFU/mL  is able to inhibit the growth of bacteria Aeromonas hydrophila. Dose LD50 bay leaf solution against catfish by immersion for 24 hours in 13,5% .Keywords: Bay leaf, Sensitivity, Minimum Inhibitory Concentration, Aeromonas hydrophila,  LD50.

Page 185 of 292 | Total Record : 2919

 183   184   185   186   187 

Filter by Year

2014 2023


Reset
Filter By Issues
All Issue Vol. 10 No. 2 (2023) Edisi 2 Juli s/d Desember 2023 Vol. 9 No. 2 (2022) Edisi 2 Juli s/d Desember 2022 Vol. 9 No. 1 (2022) Edisi 1 Januari s/d Juni 2022 Vol 8, No 2 (2021): Edisi 2 Juli s/d Desember 2021 Vol 8, No 1 (2021): Edisi 1 Januari s/d Juni 2021 Vol 7, No 2 (2020): 2 Juli - Desember 2020 Vol 7, No 1 (2020): Edisi 1 Januari - Juni 2020 Vol 6 (2019): Edisi 2 Juli s/d Desember 2019 Vol 6 (2019): Edisi 1 Januari s/d Juni 2019 Vol 6 (2019): Edisi 1 Januari s/d Juni 2019 Vol 5 (2018): Edisi 2 Juli s/d Desember 2018 Vol 5 (2018): Edisi 2 Juli s/d Desember 2018 Vol 5 (2018): Edisi 1 Januari s/d Juni 2018 Vol 5, No 1 (2018): Wisuda April Tahun 2018 Vol 4, No 2 (2017): Wisuda Oktober Tahun 2017 Vol 4, No 2 (2017): Wisuda Oktober Tahun 2017 Vol 4, No 1 (2017): Wisuda Februari Tahun 2017 Vol 4, No 1 (2017): Wisuda Februari Tahun 2017 Vol 3, No 2 (2016): Wisuda Oktober Tahun 2016 Vol 3, No 2 (2016): Wisuda Oktober Tahun 2016 Vol 3, No 1 (2016): Wisuda Februari Tahun 2016 Vol 3, No 1 (2016): Wisuda Februari Tahun 2016 Vol 2, No 2 (2015): Wisuda Oktober Tahun 2015 Vol 2, No 2 (2015): Wisuda Oktober Tahun 2015 Vol 2, No 1 (2015): Wisuda Februari Tahun 2015 Vol 2, No 1 (2015): Wisuda Februari Tahun 2015 Vol 1, No 2 (2014): Wisuda Oktober Tahun 2014 Vol 1, No 1 (2014): Wisuda Februari Tahun 2014 More Issue