', Mubarak
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Analisis sedimen dan perubahan garis pantai utara pulau rangsang kabupaten kepulauan meranti Lilian, Anna; ', Mubarak; ', Rifardi
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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The main purpose of this study was to reveal the depositional environmentand the movement of coastline. This study was conducted in January 2013 innorthern part of Rangsang Island, Meranti District. Sediment samples were takenfrom 11 station sand analyzed by using mechanical granular method. The methodof remote sensing linear regression was used to determine the movement ofcoastline. The result of study show that the surface bottom sediment ischaracterized by sand and mud fractions, and is dominated by bottom characterof sand. The study area was a transitional area where waves and currents werepredicted to change frequently through not too significant. The currents strengthtend to move with the fluctuations. The average change of the coastline during thepast 13 years (2000 to 2013) was 7,455 m/yr with the greatest changes occurredat station 7, i.e. Kedabu Rapat Village, with 8.54 m/yr. The speed movement ofcoastline was marked by the destruction of land cover in the north along the coastof the Rangsang Island as indicated by destruction of mangrove forests andvegetation coast, the sinking of jetty, roads and houses as well as the erosion.Kata kunci: movement of coastline, sediment coastal, Rangsang Island, abration.
Sebaran Fraksi Sedimen Dasar Permukaan di Perairan Pantai Pulau Topang Provinsi Riau Mulyadi, Hade; Yoswaty, Dessy; ', Mubarak
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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Abstract:A study was conducted in december 2013 in coastal waters Topang Island RiauProvince, with a view to learn the environmental conditions under the deposition ofoceanography and physics. The method used is a method of surveys carried out at 12 stationswithout repetition and 2 times repetition on calculations of the quality of the waters .Theresults of research shows that bottom sediment surface waters can be grouped into threefaction sediment is sandy mud , muddy sand and sand .Sand faction dominating at anyresearch station with type 2 is sand and muddy sand .Based on the parameter of sediment asthe diameter of average (Mz), sorting ( ), skewness (Sk1) and kurtosis (KG), physicaloceanographic conditions in Western and Eastern parts of the island tend to be stablecompared to the North and South. Current speed of surface affect the distribution of thebottom sediment surface.Key words: bottom sediment surface., Coastal waters, Topang
The Concentrations and Distributions of Heavy Metals Pb, Cu and Zn in the Sea Water and Sediment in Estuary Area of Dumai, Riau Province. Nurhuda, Ahmad; Amin, Bintal; ', Mubarak
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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The research of heavy metal (Pb, Cu, Zn) has been conducted in June 2015in the estuary area of Dumai, Riau Province. The samples of water and sedimentwere taken in difference area, consisting of 15 stations by purposive samplingmethod. The analysis showed heavy metal contents were as followes Pb 0.051 –0.061 mg/l, Cu 0.038 – 0.047 mg/l, and Zn 0.182 – 0.243 mg/l respectively. Theheavy metal contents in water has exceeded the quality standard ofKep.MENLH/51/2004 on sea water quality standard for marine organism. On theother hand, the sediment analysis showed heavy metal contents were Pb 2.700 –3.500 μg/g, Cu 2.522 – 6.97 μg/g and Zn 15.977 – 18.059 μg/g. According to thisresearch it was concluded that the estuary area of Dumai has been contaminated.Key words : Heavy metal, seawater, sediment, estuary area of Dumai.
STUDY OF SUSPENDED SEDIMENT IN THE ESTUARY OF MENDOL ISLAND OF KAMPAR SUBDISTRICT OF PELALAWAN RIAU Rahmadona, Fitri; Ghalib, Musrifin; ', Mubarak
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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ABSTRACK The research was conducted in May 2014 and took place in Mendol Island estuary of Kampar Subdistrict of Pelalawan Regency. Theanalysis were conducted in the Laboratory of Ecology of the Faculty of Fisheries and Marine Science, University of Riau. The study aims to determine distribution of suspended sediment and factors that influence the distribution of suspended solids. The method used was a survey method, the  samples were analyzed by using Arcview Software 3.3.   The analysis of the distribution of suspended sediment during ebb tide to word showed that the highest value was at 39 sampling point with the value of 66 mg/L.The lowest value was at the sampling points of 13 and 14 with the values of each at 2 mg/L. Meanwhile when recording toward lowtide thesampling point of 39 had also the highest value 85 mg/L and the lowest values were at the sampling points of 30, 38, 42, 43 and 44 with the value of 2mg/L each. Key word : Suspended solid, Mendol island, lowest tide