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All Journal Jurnal Natur Indonesia Jurnal Perikanan dan Kelautan Berkala Perikanan Terubuk Jurnal Ilmu Lingkungan Jurnal Agro Teknologi Tropika Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Jurnal Penelitian Pendidikan IPA (JPPIPA) Dinamisia: Jurnal Pengabdian Kepada Masyarakat Jurnal Rekayasa Hijau Asian Journal of Aquatic Sciences Jurnal Pendidikan Sosiologi Undiksha Unri Conference Series: Community Engagement Jurnal Zona Journal of Coastal and Ocean Sciences Journal of Rural and Urban Community Empowerment CANANG: Jurnal Pengabdian Masyarakat EcoNews South East Asian Marine Sciences Journal Jurnal Perikanan dan Kelautan Tropical Marine Environmental Sciences Jurnal Natur Indonesia
Syahril Nedi
Universitas Riau
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Physics Public Health Social Sciences Other

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ANALYSIS OF CHROMIUM (Cr) AND NICKEL (Ni) IN THE WEST COAST OF KARIMUN ISLAND RIAU ARCHIPELAGOS PROVINCE Brilliant Esye Lousiana; Bintal Amin; Syahril Nedi
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 3, No 1 (2016): Wisuda Februari Tahun 2016
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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This research was conducted in March 2015 by collecting samples of water and sediments from the west coast of Karimun island. The purpose of this study was to determine the concentration of heavy metals chromium (Cr) and nickel (Ni) in seawater and sediments. Sample collection was done by purposive sampling method in which the three selected station. The highest Cr concentration in sea water was found in Station 2 (0.148 mg/L) and Ni in Station 3 (0.071 mg/L) whilst highest Cr and Ni concentrations in Station 2 (4.643 and 2.289 μg/g). Compared tothe Standard Quality Guideline for Sediment, the concentrations of Cr and Ni were still below the value of ERL and still very far below the value of ERM. In contrast with Ni, which has negative correlation with its concentration in sediment, the Cr concentration in sea water was positively correlated with its concentration in sediment.Keywords: Heavy Metals, Sediment, Seawater and Karimun
CARBON STORAGE POTENTIAL IN SEAGRASSES (Enhalus acoroides) IN THE COASTAL WATERS OF JAGO-JAGO VILLAGE CENTRAL TAPANULI REGENCY NORTH SUMATRA Yenisustri Ani; Syahril Nedi; Zulkifli '
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 2, No 2 (2015): Wisuda Oktober Tahun 2015
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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The research was conducted in October-November 2014 in the coastal waters of the village of Jago-Jago, Sub Badiri District, Tapanuli of at regency middle of North Sumatera Province. The aims of the study were to determine the carbon content in each section of seagrass and to find out which part of seagrass E. acoroides had the largest carbon storage potential. The method used was a survey method. Analysis of the carbon content in plant parts was done by Walkley and Black method. The results showed the percentage of carbon in plant parts obtained at the highest seagrass leaves from 15,73 to 27,00% and the lowest was at the root of 9,43 to 13,20%. Carbon storage was highest in the leaves ranging from 17,62 to 42,92 gC / m2, and the lowest was at the root, 2,01 to 3,73 gC / m2. Part of seagrass which has the largest carbon storage potential contained in the leaves. To get more information on carbon storage in Village of waters Jago Jago, about the carbon storage potential based on a certain units of time (daily, monthly or annually) in coastal waters Jago-Jago village in helping to tackle climate change.keyword : Enhalus acoroides, Carbon storage, Village of Jago-Jago
OIL CONTENT IN SEDIMENT AND ITS RELATION WITH ABUNDANCE MACROZOOBENTHOS IN THE TELUK NIBUNG TANJUNG BALAI ASAHAN NORTH SUMATRA Andika Sitohang; Syahril Nedi; Dessy Yoswaty
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 4, No 1 (2017): Wisuda Februari Tahun 2017
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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This study was conducted in November 2015. This study about Oil Content in Sediment and its Relation with Abundance Macrozoobenthos in the Teluk Nibung Tanjung Balai Asahan North Sumatra. The methodology that was used to research this is a method of survey, and divided into 3 station and in 1 station there are 3 points of sampling. Samples have been taken later incorporated to plastic and given sample macrozoobenthos solution formalin 10 % then taken and in Laboratorium analysis.The results of the analysis oil content in the Teluk Nibung during the survey obtained that oil content sediment station highest on 1 ( 600 ppm ) and oil content the lowest in 2 station (333,33 ppm ). Then the analysis identification Macrozoobenthos in may at these waters are 10 different species in this study there are several species dominating the Mitrela ligulla and N.Echinatus. The abundance of these species because the species is still can tolerate environmental stress at the base of the Teluk Nibung .Based on the linear regression simple , obtained the oil content with abundance of Makrozoobenthos strong correlation and have negative value that means the higher oil content and abundance Makrozoobenthos the lower.Keywords: minyak pada sedimen, makrozoobenthos
ANALYSIS OF TOTAL OIL CONSENTRATION IN THE WATERS OF PELINTUNG INDUSTRIAL AREA Riska Khaironisa; Irvina Nurrachmi; Syahril Nedi
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 8, No 1 (2021): Edisi 1 Januari s/d Juni 2021
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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AbstractThis research was conducted in July 2020 in Pelintung Dumai Waters. The purpose of this study was to determine the total oil concentration in the waters of the Pelintung Industrial Area. The method used is a survey method which is conducted at 4 stations. Total oil concentration samples were analyzed by gravimetric method. Based on the results of the study, the highest oil concentration was in the Pelintung Industrial Area waters (station III), namely 0.3245 ppm and the lowest concentration was in the mangrove forest area (station IV), namely 0.0738 ppm. The results of the Anova test carried out on the total oil concentration value between research stations obtained p value (0.019) <0.05. This shows that the total oil concentration between research stations is different.Keywords: Pelintung Village, Oil
ANTAGONISM TEST OF PROBIOTICS BACTERIA ISOLATED FROM BLACK TIGER SHRIMP (Penaeus monodon) AGAINST PATHOGENS (Aeromonas hydrophila, Pseudomonas sp and Vibrio alginolyticus) Nursit Wijayanto; Feliatra &#039;; Syahril Nedi
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 2, No 1 (2015): Wisuda Februari Tahun 2015
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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AbstractProbiotics is one effective strategy in an effort to cope with the disease by pathogenic bacteria. The study aims to determine the level of pathogenic bacteria were isolated from the candidate probiotic intestinal tiger shrimp against pathogenic bacteria A. hydrophila, Pseudomonas sp and V. alginolyticus. Expected candidate probiotics can be used to combat the disease in fish and shrimp farming. Antagonism using disc diffusion test. Four isolates of candidate probiotic bacteria more dominant round, milky white color and yellow, smooth or scalloped edge. Four candidate probiotic bacteria can inhibit pathogenic bacteria A. hydrophila, Pseudomonas sp and V. alginolyticus. The highest inhibition zone on the candidate probiotics P1 against A. hydrophila, Pseudomonas sp of 11.7 mm and 11.1 mm. The highest inhibition zone on V.alginolyticus the candidate probiotic bacteria P2 of 11.4 mm.Keywords: Probiotics, Tiger Shrimp, antagonists, A. hydrophila, Pseudomonas sp,V. alginolyticus.
Concentration of Heavy Metals Pb and Cu in some parts of Mudskipper (Periophthalmus sp) in The Strait Waters of Rupat, Riau Province Wage Pranowo; Syahril Nedi; Yusni Ikhwan
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 3, No 1 (2016): Wisuda Februari Tahun 2016
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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Heavy metals pollution has become problem in coastal waters due to anthropogenic activities such as disposal of industrial waste, sailing and mining. The research of heavy metals concentration Pb and Cu on mudskipper’s organ systems (muscles, gills and bones) was conducted. It is found that the content of Pb in muscles, gills and bones is in the range 4,6563 – 5,4231 (μg/g), 3,0857 – 4,1851(μg/g), and 2,7716 – 4,1205 (μg/g). While the content of Cu in the muscles, gills and bones is in the range 3,0317 – 3,3333 (μg/g), 1,7619 – 2,8810 (μg/g), and 1,9762 – 3,0159 (μg/g). There is a clear difference on the concentratin of Pb and Cu in muscles, gills an bones (P<0,01). Based on the accumulation of the heavy metals concentration in Mudskipper, the content of Pb and Cu is higher in the small size of Mudskipper than in the big size of Mudskipper. According to the sampling location, the highest Pb composition found in North Rupat Waters, 4,3838(μg/g) while the highest Cu composition found in Dumai Coastal Waters, 2,6085(μg/g).Keywords : Heavy Metals , Mudskipper (Periophthalmus sp), Rupat Strait
ANALISIS TINGKAT KESUBURAN PERAIRAN MUARA SUNGAI MESJID KOTA DUMAI DITINJAU DARI NITRAT, POSFAT DAN KELIMPAHAN DIATOM Muhammad Amien; Syahril Nedi; Irvina Nurrachmi
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 4, No 2 (2017): Wisuda Oktober Tahun 2017
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Penelitian ini dilaksanakan pada bulan Agustus 2016 di muara Sungai Mesjid Kota Dumai dengan tujuan untuk mengetahui tingkat kesuburan perairan muara Sungai Mesjid ditinjau dari nitrat dan posfat serta hubungannya dengan kelimpahan Diatom.Metode yang digunakan adalah metode survei yang dilakukan pada 4 stasiun, masing-masing stasiun terdiri dari tiga titik sampling. Hasil penelitian menunjukkan bahwa konsentrasi nitrat pada stasiun penelitian berkisar  0,112 - 0,416 mg/L. Sedangkan konsentrasi posfat pada stasiun penelitian berkisar 0,021-1,021 mg/L. Pada setiap stasiun penelitian ditemukan 9 spesies diatom, kelimpahan diatom tertinggi terdapat pada stasiun 3 (4932,71 ind/L) dan kelimpahan terendah pada stasiun 4 (1501,25 ind/L).Hubungan kandungan nitrat dengan kelimpahan diatom diperoleh persamaan Y= 11033-1609x dengan nilai R2 = 0,205 dan r = 0,45. Dilihat dari nilai (r) hubungannya sedang artinyameningkatnya hubungan kandungan nitrat maka kelimpahan diatom juga akan meningkat. Sedangkan Hubungan kandungan posfat dengan kelimpahan diatom memiliki persamaan Y= 428,4+ 3232x dengan nilai R2 = 0,002 dan r = 0,04. Dilihat dari nilai (r) hubungannya sangat lemah. Ditinjau dari konsentrasi nitrat perairan muara Sungai Mesjid dapat di kategorikankurang subur (oligotropik).Sedangkan ditinjau dari posfat dapat dikategorikan mesotropik (kesuburan sedang).  Kata Kunci: Nitrat,Fosfat  Kelimpahan Diatom, muara Sungai Mesjid
The Analysis of Organic Matter In Sediment and Macrozoobenthos Abundance in the Coastal Water of Selat Panjang Strait Meranti Islands Province Riau Barnes Silitonga; Syahril Nedi; Yusni Ikhwan Siregar
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 2, No 1 (2015): Wisuda Februari Tahun 2015
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ABSTRACT This research was conducted in July 2014 in the waters of Selat Panjang Strait Meranti Islands Riau Province The goal was to analyze the content of organic matter in the sediments and benthic organism. The study was also to observete relationship betwen organic material content of sediments and macrozoobenthic abundance. The sample were collected from 5 points station consist of three sub station. Sampling direct research at low tide with 3 repetitions. The parameters measured in this study were the brightness, water temperature, salinity, current velocity, and pH. The results of this study indicated that the environmental conditions of Selat Panjang Strait still able to support macrozoobenthic life. The macrozoobenthos found were as many as 15 species consisting of 2 Phyla, namely the Molluscs and Oligochaetes. There were two classes in the phylum of Mollusc 6 species of bivalves and gastropods 8 and 1 species of phylum class Oligochaete Tubificinae. The diversity index (H') was low, where the number of individuals was not uniform. The dominance index (C) close to 1 meaning that the community was dominated by a certain type or species. The relationship with the organic matter content in the waters showed weak and positive meaning if the organic material increases the abundance also increased.. Kata Kunci: Macrozoobenthos, Meranti island, Abundance, and Organic matter
STUDY BETWEEN OIL CONTENT SEAWATER AND DIATOMS ABUNDANCE IN AIR HITAM STRAIT MERANTI ISLANDS REGENCY RIAU PROVINCE Syukri Fajar; Irvina Nurrachmi; Syahril Nedi
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 on February until March 2017 with a goal todetermine the relationship between the oil content and the abundance of diatoms,in Air Hitam Strait Meranti Islands Regency Riau Province. The survey methodwere conducted in four stations, in which three sampling. It revealed t hat the oilcontent of water ranged (0.2687 to 0.7889 ppm) and diatom abundance between(116 to 287 cells/l) which contain of 7 species. Of research results, the oilcontent in the sea water with an abundance of diatoms have a strong relation withthe value of the correlation coefficient r = 0.727, regression equation appeared y= 337.04 – 233.71 x with a coefficient of determination (R2) = 0, 5291 and thevalue of the Sig < 0.05. It was suggested that increasing oil content will decreasethe abundance of diatoms in the Air Hitam Strait.Key Words: abundance, diatoms, oil content
ANALYSIS OF METAL CONTENT OF Pb, Cu AND Zn IN WATER AND SEDIMEN FROM COASTAL KUNDUR ISLAND KARIMUN REGENCY OF ,RIAU ARCHIPELAGO PROVINCE Sumiati Friesledi Nababan; Irvina Nurrachmi; Syahril Nedi
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                The reseach was conducted on water and sediment in Kundur Island water to find out metal of Pb,Cu and Zn. The research used purposive method with determination of research areas. The sample was taken on March 2018 and analysis on April 2018 inMarine Chemical Laboratory, Faculty of Fisheries and Marine, University of Riau. The results showed that the metal of Pb in water ranged from 0,2996 – 0,4685 mg/l. The content of Cu 0,2997 – 0,8424 mg/l and Zn 0,5428 – 0,9355 mg/l. The metal of Pb in the sediment ranged from 15.5383 - 22.8933 μg/g. Cu 3,5117 - 7,4750 μg/g and Zn 47,4067 – 77,0167 μg/g. Keywords: Metal content of Pb, Cu, and Zn, Water and Sediment, Kundur Island
Co-Authors AA Sudharmawan, AA Abdullah &#039; abmi, cyndy Adini Dwi Ratna Hafnizar Afdol, Muhammad Afrizal Tanjung Afrizal Tanjung Al Usman Alfiati Silfi Andhini, Nadia Andika Sitohang Anthony Hamzah Aqil Fikar Rivai Aras Mulyadi Aritonang, Desy Novela Azhara Diana Azizul Fauzan Bambang Pramudya Bariddah, Sania Barnes Silitonga Besri Nasrul Billa, Yulia Salsa Bintal Amin Brilliant Esye Lousiana Budijono, Budijono Chandra M Aulia Damai S Harefa Damaiyanti, Novi Defandra, Alif Denny B Hutagaol, Denny B Dessy Yoswaty Dewi, Anggie Sukma Dewita Dewita Dianti Farhana Kamasela Edy T S Sihombing Efendi, Musanif Efriyeldi, Efriyeldi Elizal Elizal Elizal Elizal Elizal Elizal Elizal, Elizal ESTY KURNIAWATI Etty Riani Exaudi, Bonita Tiolina Fajri Ramayori Fatma, Nisa Tria Fauzan, Azizul Febri Wando Situmorang Feliatra Fikri, Ishlahul Fuad, M Anwar Gurning, Misael Gusmanti, Afni Herlin Margaretha Situmorang Hesti Asriwandari Hisbullah, Ali Akbar Irvina Nurachmi Irwan Effendi Irwan Effendi Irwan Irwan Islamiati, Bening Jumahat Siregar, Jumahat Jumiati, Melvy Khaironisa, Riska Lazuardi, Andika Lubis, Nur Aisyah Mahdiyah, Evfi Malihah, Maida Manik, Yolanda Manuwoto Manuwoto Mayang Shintana, Mayang Meiska, Muthia Michael Prawira, Michael Moulidia, Candri Muhammad Aditya Pradana Muhammad Amien Musrifin Ghalib Mutia, Safira Nababan, Sumiati Friesledi Ningrum, Indah Puspita Nursit Wijayanto Nursyirwani, Nursyirwani Octavia Lorensa Br Sinaga Parbo, Annisa Presti Pasaribu, Ridwan Saiful Basri Pauji, Risky Antonio Paul Rozeki Sinaga Phivi Andriza Phivi Andriza Pradana, Muhammad Aditya Pramukti, Masdhuki Puspita, Sarah Putri, Rahmi Putri, Rahmi Delima Putri, Rukiana Audi Rahmat Hidayat Rambe, Sakinah Rachmadani Rasmiati, Eva Resfianto Resfianto Rica Purnama Sari Ridowan Kolif Ridwan Manda Putra Ridwan Manda Putra Ridwan Saiful Basri Pasaribu Rifaldi Rifaldi, Rifaldi Rifardi Rio Aprialis Safitra Riska Khaironisa Ronal Kurniawan Ronaldy Saputra Simamora, Ronaldy Saputra Rozalina, Rozalina Rozalina Saharudin Saharudin Saputra, Muhammad Nasrul Sari, Lita Semangat Riski Hasibuan Sihaloho, Elpon Silitonga, May Sarah Simanjuntak, Benny Ly Sinaga, Octavia Lorensa Br Sirait, Juliper Parasian Siregar, Sofyan Sofyan Husein Siregar Sri Ramadhani Suardi &#039; Sukendi Sukendi Sumiati Friesledi Nababan Suriyanto Suriyanto Syafruddin Nasution Syah, M. Rofofiif Syahira, Siti Aliyah Syukri Fajar Tampubolon, Theresia Tengku Rahma Lopi Tomi Suhendra Utama, Rinol Putra Wage Pranowo Windarti Windarti Yandra, Yoli Yenisustri Ani Yulina Sari Yunus, Budi Andri Yusni Ikhwan Yusni Ikhwan Siregar Zulkifli &#039; Zulkifli Zulkifli