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All Journal Jurnal Teknologi Perikanan dan Kelautan Marine Fisheries: Jurnal Teknologi dan Manajemen Perikanan Laut Jurnal Natur Indonesia Jurnal Perikanan dan Kelautan Berkala Perikanan Terubuk Jurnal Ilmu Lingkungan Jurnal Ilmu Perairan (Aquatic Science) Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Asian Journal of Aquatic Sciences Journal of Coastal and Ocean Sciences Journal of Rural and Urban Community Empowerment Dinamika Lingkungan Indonesia Jurnal Perikanan dan Kelautan Jurnal Perikanan Jurnal Perikanan Terapan Jurnal Natur Indonesia
Joko Samiaji
Universitas Riau
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Earth & Planetary Sciences Education Energy Environmental Science Immunology & microbiology Library & Information Science Materials Science & Nanotechnology Physics Social Sciences

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PROFIL PARAMETER KIMIA OSEANOGRAFI PANTAI TIMUR SUMATERA Fadli, Fani; Samiaji, Joko; Amin, Bintal
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 1, No 1 (2014): Wisuda Februari Tahun 2014
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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This study was conducted in April-May 2013 in the inner marine waters of the eastern coast of Sumatra and the samples were analyzed in the Chemistry Laboratory of Marine Science Department of Fisheries and Marine Science Faculty of Riau University. This study was aimed to determine the chemical profile of oceanographic parameters in the coastal waters of the east coast of the Sumatra region into two parts, namely the southern and northern parts. Based on the analysis conducted on the chemical oceanographic parameters such as nitrate, nitrite, phosphate, ammonia, dissolved oxygen, and the degree of acidity. Concentration nitrate, nitrite, phosphate, and ammonia has a high concentration values with the approach of sampling stations towards the coast. While the dissolved oxygen and the degree of acidity of the sea towards the higher concentration value. The overall values of water quality parameters were as follow a). In the south section: nitrate 0.0102-0.0890 mg/l, nitrite 0.0675-0.4388 mg/l, phosphate 0.0022-0.0310 mg/l, ammonia 0.0403-0.6602 mg/l, DO 4-7 mg/l, pH 7.48-8.16. b). In the north section: nitrate 0.0025-0.0331 mg/l, nitrite 0.0738-0.1097 mg/l, phosphate 0.0044-0.0177 mg/l, ammonia 0.0333-0.9229 mg/l, DO 5-8 mg/l, pH 7.53-8.15. The physical parameters of the water was a factor in supporting this research.Keywords: East coast of Sumatra, chemical, oceanography
JENIS DAN KELIMPAHAN IKAN TEMBAKUL DI PANTAI DUMAI PROVINSI RIAU Naibaho, Reny Cristina; Samiaji, Joko; ', Efriyeldi
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 1, No 1 (2014): Wisuda Februari Tahun 2014
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The study to observe the species composition and abundance on mudskipper fish was conducted in July 2013 in Dumai coastal waters of Riau Province, Indonesia. They study was carried out in providing the lack information on the biological aspects of the mudskipper from Indonesian seas in general, and of the riau’s coasts in particular. They study used a survey method by selecting 3 different stations as the sampling sites. Fish sampels were collected during the low tide. The quadrant were used in the field in facilitating the survey in fish abudance, whilst the identification was commenced in the Laboratory of Marine Biology of University of Riau. The resuld showed that a number of three species of the mudskipper were sucessfully recorded, i.e. Periopthalmodon schlosseri, Periopthalmus variabilis (Eggert) and Baleopthalmus boddarti (Pall). In terms of abudance, the highest, 0,1733 individuals/m2 was recorded in station I and the lowest 0,0867 individuals/m2, was found in stations III. Based on the diversity index (H’), it was reported that the Dumai coast had moderate diversity of the mudskipper. None of the fish was dominating the population since the dominance index (C) was very close to null from each station. It can be concluded that the habitats of mudskipper in Dumai coasts were in the state of unstable due to its E value in which also close to one.   Keywords : Mudskipper, species composition, abudance, Riau.
THE CONTENT ANALYSIS OF HEAVY METALS OF Pb, Cu, Zn, Ni AND ORGANIC MATTER IN THE SEDIMENT OF EAST COAST OF SUMATERA Fitria, Wahyuni; Amin, Bintal; Samiaji, Joko
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 2, No 1 (2015): Wisuda Februari Tahun 2015
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The research was conducted in August – November 2013. The purpose of this study was to determine the content of heavy metals of Pb, Cu, Zn and Ni in the sediment and its organic matter content in the east coast of Sumatera. The method used was survey method in wich the East coast of Sumatera coastal waters was used as the location of sampling.The results showed that different sediment fraction had different concentration of heavy metals. The sediment fraction of >250 μm had higher concentration than the fraction <63 μm and 63 μm – 250 μm. The concentration of Pb, Cu, Zn and Ni in the sediment were 7.29, 12.91, 8.69 and 14.57 μg/g respectively. Simple linier regression analysis showed of negative corelations for Pb, Cu, and Zn. and positive corelations for Ni with the content of organic matter in the sediment. The Pb, Cu, Zn and Ni concentrations were still below the value of ERL and ERM.Keywords : heavy metals, sediment, organic matter, east coast of Sumatera
The Abundance and Distribution Patterns of Mussel Shell (Meretrix meretrix) in Coastal Water of Tanjung Balai Asahan North Sumatra Province ', Marini; Nasution, Syafruddin; Samiaji, Joko
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 2, No 2 (2015): Wisuda Oktober Tahun 2015
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This research was conducted from September – Oktober 2014 in coastalwater of Tanjung Balai Asahan north Sumatra. In general the shell was a group ofinvertebrate animal (invertebrates) with its shape easy to be recognized. Mostshell were characterized by the presence of a shell that protected the body andonly a small part type was not shelled. The mussel shell M. meretrix was animportat fishery commodities as food from the sea and popular to Tanjung Balaicommunity. Tanjung Balai Asahan coastal was one of the mussel shell M.meretrix potential in north Sumatra. This research was aims to determine theabundance and distribution patterns of mussel shell M. meretrix in the intertidalzone Tanjung Balai Asahan. The method applied on this research was surveymethod. Location ofthe study were divided into 2; station 1 was away from thesettlements; while station 2 was near residential area. To get a description of theabundance distribution of mussel shell M. meretrix in the intertidal zone of thecoastal Tanjung Balai Asahan, the tidal area was divided into 4 zones by dividingthe tidal zone vertically, range from high tide to low tide.In each zone a sample taken 5 plot with plot size 1x1m2. Sediment samplewere taken by 3 points in each zone, and rolled into one, so that amount ofsediment sample by 4 sample at each station. Sample taken shell, sediment,measurement quality of the measured temperature, salinity, pH, brightness. Theresult showed that the average abundance ranged from 1.6 ind/m2to 7 ind/m2. Thepattern of distribution in the study area tend to cluster. Based on the calculation ofthe t test at each station and each zone F test on the abundance of mussel shell M.meretrix showed equally not significantly different.Keywords: Mussel shell, abundance, sediment, pattern distribution, TanjungBalai Asahan.
Tidal Dynamics and Climate Change in Coastal Waters of Pangkalan Sesai Village, West Dumai District, Riau Province Febrian, Andi; Samiaji, Joko; Ghalib, Musrifin
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 3, No 1 (2016): Wisuda Februari Tahun 2016
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The research was conducted from December 2014 to February 2015, in the coastal waters of Dumai, Riau Province. The research aimed to determine the tidal dynamics in relation to climate change. The research used survey method by performing 4 times periodically sampling. The result of measurement was then compared to Hydro-oceanographic Service Data.The results showed that tidal pattern in coastal waters of Dumai during a period of 3 months was classified into Mixed Semi-Diurnal Tides which occured 2 low tides and 2 high tides for 24 hours. Observations I-IV showed the tidal patterns were different because of different patterns of surface currents. Data of tidal pattern were compared to data obtained from Hydro-oceanographic data 3 years earlier showed a difference. Judging from the results of research that has been made known that there has been a rise in sea level if compared to data obtained from Hydro-oceanographic data 3 and 1 year before, namely an increase ranging between 19.5 to 22 cm. While the comparison of the data with the previous 2 years decreased, with a value of 45.5 cm. This means sea level in the study area has increased for 3 and 1 year. It was predicted that the existence of climate change has the effect of tidal conditions in these waters.Keyword : tidal pattern, climate change, Pangkalan Sesai, Dumai
STRUCTURE COMMUNITY OF MANGROVE FOREST IN NORTH COASTAL RUPAT ISLAND DISTRICT OF BENGKALIS RIAU PROVINCE Nasution, Muhammad Rasid; Samiaji, Joko; ', Efriyeldi
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 4, No 2 (2017): Wisuda Oktober Tahun 2017
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This research was conducted in January 2017 in north coastal rupat island district of bengkalis riau province. The purpose of this researches is to determine the structure community of mangroves in rupat island. The method used in the research was transect line method and plot. The result of observation in North Rupat Island showed the existence of mangrove vegetation that comes the 17 species and 7 families. The species of most dominating growth was Rhizophora apiculata has important values and high density than other species was value 288.9 ind/ha. The second of high density was Rhizophora mucronata with value 144.4 ind/ha. So, the species of Rhizophora apiculata and Rhizophora mucronata is the species capable of grow well on each environment in north coastal rupat island district of bengkalis riau province. Researchers also identify zoning mangrove vegetation.Keywords : Rupat Island, Structure Community, Mangroves, Rhizophora1Student of
Community Structure epi-macrozoobentos in water of Pandan Island Aquatic Tourism Area Pieh Island West Sumatera Sihaloho, Indra Y P; Samiaji, Joko; 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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ABSTRACT Epi-macrozoobentos are animals that live on the surface of a water base substrate and are larger than 1 mm in size. This study aims to determine the structure of epi-macrozoobenthic community which includes: species composition, abundance, diversity, uniformity, dominance and the relationship between the total organic content of sediment to epi-macrozoobenthic abundance. Environmental parameters measured include physics-chemical parameters of waters (temperature, velocity, salinity, pH and DO) as life-supporting factors of epi-macrozoobentos. The species of epi-macrozoobentos in the waters of Pandan Island were found to be 17 species from 14 families, 7 classes and 14 genera with species composition ie 74% Gastropoda class, Echinoidea 9.6%, Malacostraca 8.6%, Bivalva 3%, Asteroidea 2.6 % and Holothuridea 2.2%. Epi-macrozoobenthic abundance in Pandan Island waters ranged from 4.5 to 6.6 ind / m2 with an average of 5.3 ind / m2. The diversity index values ranged from 2.45 to 2.86, the dominance index ranged from 1.14 to 1.21 and the uniformity index ranged from 0.62 to 0.81. The total organic content of sediments ranged from 1.70 to 2.57%. Based on the diversity index (H ') of Pandan Island waters classified as moderate and medium diversity. In general, the state of the chemical physics of Pandan Island waters can still support the life of epi-macrozoobenthic organisms.Keywords: Community structure, epi-macrozoobentos, Organic matter, Pandan Island.
CHANGE OF CORAL REEFS CONDITION IN PARK TOURISM (TWP) PIEH ISLAND WEST SUMATERA PROVINCE Mulyadi, Hari; Samiaji, Joko; Elizal, Elizal
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 July 2017 at Pieh Island Conservation Area of Pieh Water Park of West Sumatera Province. This study aims to determine the condition of coral reefs in the waters of Pieh Island and to determine the changes in the condition of coral reefs in Pieh Island. The method used was survey method using Underwater Photograph Transect (UPT), consisting of 3 stations where each station was divided into 2 depth ie at depth of 5 meter and 10 meter.               The type of coral reefs on Pieh Island was in the group of fringing reef. The forms of coral growth found in the study area were Acropora branching (ACB), Acropora digitate (ACD), Acropora encrusting (ACE), Acropora submssive (ACS), Acropora tabulate (ACT), Coral encrusting (CE), Coral massive (CM ) Coral Foliose (CF) and Coral Submassive (CS). Condition of coral reefs at Pieh Island at 5 meter depth was heavily devastated with the percentage of 22.80%, while percentage of coral cover at 10 meter depth was 58.67% categorized coral cover good. Keywords: Pieh Island, Coral Reef, Underwater Photograph Transect
Structure of Phytoplankton Community In Sungaitohor Kepulauan Meranti District, Riau Province Yanasari, Nurry; Samiaji, Joko; Siregar, Sofyan Husein
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 4, No 2 (2017): Wisuda Oktober Tahun 2017
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This research was conducted in October 2016 until January 2017 by using survey method. The purpose of this research was to determine the water quality, the structure of phytoplankton community and the relationship between the water quality with the abundance of phytoplankton in Sungaitohor Estuary Kepulauan Meranti District, Riau Province. Identification and analysis of phytoplankton was conducted at Marine Biology Laboratory Faculty of Fisheries and Marine University of Riau. The correlation regression analysis showed that the relationship between pH and phytoplankton abundance were very low, meanwhile correlation regression analysis between salinity and phytoplankton abundance was fair. The abundance of phytoplankton ranged between 25 - 75 ind/l, diversity index (H ') ranged from 0,81 – 1,89 (medium category), uniformity index (E) ranged from 0,12 – 0,30 (low category) and dominance index (C) ranged from 0,29 – 0,67 (medium category). The identification found 11 genera of phytoplankton i.e. : Leptocylindrus, Protoperidinium, Trichodesmium, Isthmia, Gonyaulax, Nitzschia, Cestum, Skeletonema, Thalassiosira, Stephanopyxis and Streptotheca. Protoperidinium was found in each stations.Keywords : Phytoplankton, Community Structure, Sungaitohor.
STUDY ON THE STRUCTURE OF MANGROVE VEGETATION COMMUNITY IN THE VILLAGES OF NUTERI SUBDISTRICT NUMBER OF REGENCY OF BENGKALIS PROVINSI RIAU Sitorus, Kornelius K; Mulyadi, Aras; Samiaji, Joko
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 4, No 2 (2017): Wisuda Oktober Tahun 2017
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The research be conducted in January 2017. Observation of mangrove forest density and was done in mangrove forest area in Puteri Sembilan Village, North Rupat Sub-district, Bengkalis Regency, Riau Province. The purpose of this research is to know the structure of mangrove vegetation in Desa Puteri Sembilan. In this study concluded that there are 7 species of mangroves namely: Rhizophora mucronata, Bruguiera gymnorhiza. B. sexangula, Kandelia candel, Aegiceras floridum, Amyena gravis and Avicennia alba. Based on the index of type diversity, station I was categorized as low with value of H '= 1,5131. Station II index of diversity of type including low category with value H' = 1,094 and at station III index of diversity type still belongs to low category with value H '= 1, 2284. Keywords: Mangrove, Community Structure Mangrove Vegetation, Bengkalis
Co-Authors ', Marini Abd. Rasyid Syamsuri Afrizal Tanjung Ahmad Saripuddin Akbar, Aidil Rahmad Algino Panuntun Akbar Andi Febrian, Andi Anggi Irfan Hasibuan Anne Rumondang Aras Mulyadi Ardi Gunawan Siregar Aslim Rasyad Asmika Harnalin Simarmata Ayu Agustina Banjarnahor, Novia Bethanya, Ela Nanda Bintal Amin Chaniago, Rizki Dalimunthe, Salmi Patima Desmarina, Y. Despela, Despela Dessy Yoswaty Dewi Ariana Dodi Tri Putra Sitompul Efriyeldi, Efriyeldi Elfis Suanto Elizal, Elizal Enjelina Maria Magdalena Manurung Enny Herawaty Simamora Erwan Efendi Fani Fadli Femi Riza Fitria Wahyuni Fitriansah, Heru Fuady, Muhammad Ikhram Fuady Ikhram Fuah, Ricky Winrison Ghina Salsabila Ginting, T.B. Hafli, R. Diddin Mifdhol Hari Mulyadi, Hari Hasibuan, Ari Permel Hendra Kharisma Huda, Mhd. Aidil Huda, Muhammad Aidil Hutabarat, Muharriswan Ikhsan, Miftahul Ilham Ilham Ilman, Muhammad Khairi Imron Imron Irvan Dwi Putra Irvina Nurachmi Irwan Effendi Kurnia, Fadly Agra Lase, Wanda Fernanda Maizaldi, Maizaldi Manalu, Lili Yanti Manurung, Enjelina Maria Magdalena Marpaung, Bertaulina Mei Fita Asri Untari Merry Sintya Dewi Mery Mery Mhd Aidil Huda Mifdhol Hafli, Raja Diddin Mubarak &#039; Muhammad Alam Mulia Hasibuan Muhammad Isnan Alindra Muhammad Razali Muhammad Sabirin Muhammad Wahyu Hasibuan Musrifin Galib Musrifin Ghalib Nababan, Bastian Vepry Odynata NANDA PRATAMA Nasution, Muhammad Rasid Nora Sartika Pohan Nur Azizah Nursamsi Nursamsi Nursyirwani, Nursyirwani Panggabean, Iis Panggabean, Iis Apriati Paniska, Almaarif Putra &#039; Putra, Jefri Eliyas R. Diddin Mifdhol Hafli Rahayu, Rosi Rahim, Mustafa Rahmad Febriyandi Rahmita, R. Raja Siagian Ramadhan, A.R Ramadhan, A.R. Reny Cristina Naibaho Rifardi Rizki, A. Rumondang, Anne Ruth Natalia. S Sabirin, Muhammad Said Nazman Arif Salsabila, Ghina Sari, D.J. Saul Heryanto H.N Shofian Nanda Adiprayoga Sihaloho, Indra Y P Simamora, Enny Herawati Sinaga, Merisa Debora Sinaga, Nella Asima Br. Sitompul, Dodi Tri Putra Sitompul, Krivide Sitorus, Kornelius K Sofyan H. Siregar Sofyan Husein Siregar Sri Ratna Hidayati Sunarti &#039; Syafruddin Nasution Tatanagara, Muhammad Ilham Thamrin Thamrin Thamrin Thamrin Wahid Wahid Wahyudi Wahyudi Windarti Windarti Windarti Windarti Yanasari, Nurry Yanti, D.H. Yuke Constina Zientika, Zientika Zulkifli &#039; Zulkifli Zulkifli Zulkifli Zulkifli