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Analysis of growth and exploitation rate of Muraenesox cinerus in the Bengkalis Waters, BengkalisRegency Dian Sufitri; Eni Sumiarsih; Adriman Adriman
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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Abstract       Malong fish (Muraenesox cinerus) is a demersal fish that has important economic value and provides large contribution in the number of fish catches in the Bengkalis Regency. The purpose of this research is to find out the growth and exploitation rate the fish in the Bengkalis waters. This research was conducted in May-July 2020 and fish samples were collected from the fish landing place located in the Meskom Village. Data were analysis by aELEFAN I method (Electronic Lenght Frequencys Assesment Tool) from the FISAT II (FAO-ICLARM Fish Stock Assesment Tool) software. Muraenesox cinerus captured were 82 samples consisted of 34 males and 48 females. The length frequency distribution of the female fish shown that the most common fish were around 149-161 cm TL, while that of the males were 142-153 cm TL. The length-weight relationship of male was negative allometric and female was negative allometric. The growth coefficient (K) of the male fish was 10/year while that of the female was 5.01/year, the infinitive length (L∞) of male was 201 cm and that of the female was 213 cm.  The theoretical lifespan (t0) of male was -0.0086/year while that of the female was -0.0174/year.  The Von Bertalanffy growth equation of the male was Lt=201(1-e-10(t+0.0086)) and that of the female was Lt=213(1-e-5.01(t+0.0174)). The estimated natural mortality (M) of the female was 2.94/year, the mortality due to catching activity (F) was 4.51/year. The suspected natural mortality (M) of the male was 4.70/year, the mortality due to catching activity (F) was 20.26/year. The exploitation rate (E) of the male was 81% and that of the female was 61% or already exceeds the optimum exploitation value limit of 50%.Keywords: Exploitation Rate, Growth Pattern, Long-Weight relationship, Mortality, Silver conger, Von Bertalanffy  
Composition and Density of Marine Debris In the Mangrove Area of Pongkar Village,Tebing District, Karimun Regency, Riau Islands Province Helmi Abdullah Prabowo; Adriman Adriman; Eni Sumiarsih
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 8, No 2 (2021): Edisi 2 Juli s/d Desember 2021
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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ABSTRACTMarine debris is a type of pollutant that commonly found in the mangrove ecosystems. This spurpose of this study was to determine the composition and density of marine debris in the mangrove ecosystem in Pongkar Village. Sample was carried out in July - August 2020. The method used is the survey method. Sampling was carried out three times (once/2 weeks) at 3 observation stations, namely S1 (ecotourism area), S2 (natural mangrove forest) and S3 (port area and residential area). Marine debris was collected from 3 plots (10 x 10 m) placed along the transect line. The types of marine debris found in the mangrove ecosystem consist of plastic, glass, rubber, cloth, styrofoam, nets, cans, wood, steel and paper. Marine density based on the characteristics of debris are: megadebris (0.01 - 0.04 items/m2; 4.61 - 34.67 grams/m2), macrodebris (1.43 - 4.75 items/m2; 249.19 - 724.53 gram/m2), mesodebris (0.79 - 2.20 items/m2; 1.54 - 3.23 gram/m2). The most common marine debris found were plastics (69.27%) and styrofoams (15.65%).Keywords:Pongkar Village, Mangrove Area and Marine Debris
Type and abundance of Gastropods in Mangrove Area in Rawa Mekar Jaya Village Sungai Apit Sub-district Siak Regency Riau Province Sri Ika Wulandary; Eni Sumiarsih; Adriman Adriman
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 6 (2019): Edisi 2 Juli s/d Desember 2019
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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ABSTRACT This research was conducted  on July 2019 in the mangrove forest Rawa Mekar Jaya Village, Sungai Apit Sub-district, Siak Regency, Riau Province. This research aims to  determine the type and abundance of gastropods in Rawa Mekar Jaya Village. The sampling method using a fixed transect lines combined with 1x1 quadrant (m²). Gastropods found were 4 species: Telescopium telescopium, Ellobium aurisjudae, Cerithidea quadrata, and Neritina violacea. Results shown that the highest species abundance obtained from Cerithidea quadrata with 35.334 ind/ha and the lowest was Ellobium aurisjudae with 19.668 ind/ha . The highest gastropod abundance was found in Station III with 144.000 ind/ha, while the lowest gastropod abundance was found in Station I with 71.333 ind/ha. Keywords :Gastropods, abundance, line transect mangrove, Siak Regency
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

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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 andDensity of Microplastic in The Coastal Area of Pariaman Regency, Sumatera Barat Province Annesa Fista Savitri; Adriman Adriman; Eni Sumiarsih
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 7, No 1 (2020): Edisi 1 Januari - Juni 2020
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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                    ABSTRAC  Pariaman Regency coastal area is affected by current and tide from Indian Ocean that contribute the presence of microplastic in that area. To understand the microplastic types and density, a research has been conducted in May-July 2019. There were 3 sampling sites (Pantai Mangguang, Pantai Ampalu and Pantai Gandoriah) and there were 3 plots (50x50 cm) placed in each site. Sediment inside the plot was scrapped 5 cm depth. The sediment was then sieved (5 and 1 mm mesh size), dried and soaked in 35% NaCl. The floating microplastics were then collected and identified using a dissecting microscope. Results shown that there were 4 types of microplastic present, they were film, fragmen, fiber and foam. The most common microplastic found was film (1,360item/m3). The density of microplastic found in the sampling site ranges from 400 - 1,840 item/m3. In the intertidal zone, the highest density of microplastic was found in the highest tidal level (2000 item/m3). Keywords: Plastic Pollution, Intertidal Zone, Sediment, Film.
Gastropods Community Structure in the Mangrove Ecosystem in the Teluk Buo, Bungus Sub-district,Teluk Kabung District, Padang, Sumatera Barat Province Efi Nuryanti; Adriman '; Nur El Fajri
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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Teluk Buo mangrove forest is one of tourist destination in the Sumatera Barat Province. The input of pollutant originated from anthropogenic activities, however, reducing the water quality and as a consequence negatively affects the mangrove ecosystem as well as the associated organisms, including gastropods. To understand the community structure of gastropods in the mangrove ecosystem, a research was conducted on February 2017. There were 3 line transects and in each line, 9 plots (1mx1m) were placed. The gastropods present in the plots were collected manually everyday for 2 weeks period. Result shown that there were 7 gastropods species present, they were Nerita lineata, Nerita undata, Terebralia sulcata,Telescopium telescopium, Cerithidea quadrata, Littoraria melanostoma and Littoraria scabra. The gastropods abundance was ranged from 1.741 to 5.963 organisms/ha. The value of diversity index was (H’) 0.821-2.385, the dominance index (C) was 0.219-0.704, and the uniformity index (E) was 0.118-0.584. The water quality parameters are as follows: temperature was 29-310C; pH was 7.3-7.5 and salinity was 25-34 0/00. Gastropods Community Structure in the Mangrove Ecosystem in the Teluk Buo has been disturbed and the dominant species (T. sulcata).Keywords:Gastropods, Mangrove Ecosystem, Teluk Buo, Water quality
Type and Density of MicroplasticAt The Coast Area Of Manggung Village, Pariaman, West Sumatera Province Sandrila Putri Elsa; M. Fauzi M. Fauzi; Adriman Adriman
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 6 (2019): Edisi 2 Juli s/d Desember 2019
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ABSTRACTOne of the plastic wastes that affect the coastal areas in the Manggung Village of Pariaman is microplastic. The presence of microplastics in aquatic and coastal environments can disturb the habitat of macrozoobenthos organisms. The entry of microplastics into animal bodies filter feeders can damage the functioning of organs of the digestive function, reduce growth rates and affect reproduction and is thought to have an impact on the density of macrozoobenthos. This research aims to determine the type and density of microplastics in the coastal area of Manggung Village, Pariaman. This research was conducted in May - June 2019. The sampling point was determined based on the shape of the coast by placing the kuadrat at the lowest, midpoint, and highest tide. The area of the kuadrat used is 50 x 50 cm with a depth of 10 cm of sediment. The results of the research have been found 4 types of microplastic namely fiber, fragment, film, and foam with a total density of 3640 items / m3. Keywords:plastic waste, shore area, filter feeders, fiber. 
JENIS DAN KELIMPAHAN FITOPLANKTON SERTA PERIFITON EPILITIK DI PERAIRAN SUNGAI KAMPAR KANAN KELURAHAN AIR TIRIS KECAMATAN KAMPAR KABUPATEN KAMPAR PROVINSI RIAU Syafriwarty Syafriwarty; Nur El Fajri; Adriman Adriman
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 5 (2018): Edisi 1 Januari s/d Juni 2018
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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ABSTRACTKampar Kanan River has strong current and rocky substrate and it may affect the type and abundance of phytoplankton and ephylitic periphyton. To understand the type and abundance those organisms, a study has been conducted in February to March 2017. Parameter measured were types and abundance the phytoplankton and ephylitic periphyton, temperature, brightness, current, depth, pH, DO, free CO2, nitrate and phosphate.Samplings were conducted 3 times, once/ week, in 3 stations.Results shown that there were 38 phytoplankton species present, namely Bacillariophyceae (16 species), Chloropyhceae (14 species) , Cyanophyceae (4 species) ,Euglenophyceae (2 species), Chrysophyceae and Dinophyceae (1 species).  The average of phytoplankton abundance was around 2,023to 2,252  cells/L. the H’ was 4.465to 4.624; C was 0.071to 0.115  and E was 0.765to 0.840. Results shown that there were 45 the ephylitic periphyton species present, namely Bacillariophyceae (23species), Chlorophyceae (18species), Cyanophyceae (3species), andXantophyceae (1 species). The average the ephylitic periphyton abundance was 5,322to 8,479  cells/ cm2. The H’ was 3.725to 4.469; C was 0.071to 0.115  and E was 0.765 to 0.840. Based on the abundance of phytoplankton and ephylitic periphyton, the Kampar River in the Air Tiris Village is classified as moderate fertility rate.Keywords: Phytoplankton, ephylitic periphyton, Air Tiris Village Kampar River, Water Quality
Type and abundance of Gastropods in Mangrove Area in Rawa Mekar Jaya Village Sungai Apit Sub-district Siak Regency Riau Province Sri Ika Wulandary; Eni Sumiarsih; Adriman Adriman
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 6 (2019): Edisi 2 Juli s/d Desember 2019
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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ABSTRACT This research was conducted  on July 2019 in the mangrove forest Rawa Mekar Jaya Village, Sungai Apit Sub-district, Siak Regency, Riau Province. This research aims to  determine the type and abundance of gastropods in Rawa Mekar Jaya Village. The sampling method using a fixed transect lines combined with 1x1 quadrant (m²). Gastropods found were 4 species: Telescopium telescopium, Ellobium aurisjudae, Cerithidea quadrata, and Neritina violacea. Results shown that the highest species abundance obtained from Cerithidea quadrata with 35.334 ind/ha and the lowest was Ellobium aurisjudae with 19.668 ind/ha . The highest gastropod abundance was found in Station III with 144.000 ind/ha, while the lowest gastropod abundance was found in Station I with 71.333 ind/ha. Keywords :Gastropods, abundance, line transect mangrove, Siak Regency
Microplastic Type and Densityin the Coastal Area of the Apar Village, Pariaman, West Sumatera Province Rova Erwinda Fitri; M.Fauzi M.Fauzi; Adriman Adriman
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 6 (2019): Edisi 2 Juli s/d Desember 2019
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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ABSTRACT Microplastic is plastic pieces with size (≤ 5 mm).The presence of microplastic may negatively affects the organisms, as it may be swallowed and can not be digested properly. To understand the correlation of microplastic presence and macrozoobenthos density, a research has been conducted in May-June 2019. There were 3 sampling sites and there were 3 plots (50x50 cm) in each site. Sediment inside the plot was scrapped   10 cm depth. The sediment was then sieved (5 and 1 mm mesh size), dried and soaked in 35% NaCl. The floating microplastics were then collected and identified using a dissecting microscope.Results shown that there were 4 microplastic type present, they were fiber, film, foam, and fragment. The most microplastictype was found is fiber with density 1200 item/m3. The lowest microplastictype was found is foam with density 280 item/m3. The enviroment  quality parameters are as follows : water temperature was 30-32 oC, soil temperature was 33-35 oC, salinity was 29-30 ‰ and sediment fraction type is muddy sand.Keywords:Pollution Plastic,Intertidal Zone, Sediment, Fiber, Foam 
Co-Authors ', Meinita ABDUL RAUF Adiwanarta, Rizki Affin Yusuf Agustini Agustini, Agustini Alfayeat, Rindo Andri Hendrizal Andriani, Novia Annesa Fista Savitri Annisa, Tiara Mediana Ari Purbayanto Arifah, Mukhlisa Dieni Ario Damar Asri Mentari Nasution Bahrun Budi Kurniayawan Budijono, Budijono Deni Efizon Devi Sulastri Dian Sufitri Dwi Ayu Utami, Dwi Ayu Eddiwan Kamaruddin Efawani, Efawani Efi Nuryanti Eko Prianto, Eko Eko Purwanto Elfrida Hasugian Eni Sumarsih Eni Sumiarsih Eva Nurjannah Simamora Faisal Hendri Fery Permadi Fiona Novianti Fitri, Annisa Sovia Framindo G. Napitupulu Hanifa, Hanifa Hasbi Ansyori Harahap, Hasbi Ansyori Helmi Abdullah Prabowo Hidayah, Haini Hutri Aliva Ika Fitria Hasibuan Ikhsan kurniawan Indradewa, Rhian Irwandi Manalu Irwanna, Muhammad Robby Ismail Junaidi, Rival Kausar Ken Radityo Gautama Lestari, Tri Ayu Lina Puspita Sari Lisa Ayuningtyas Sitorus Lisbatul Khoiriyah Lubis, Rizki Anita Luri Anita Vanri M Fauzi M. Fauzi M. Fauzi M. Fauzi M. Fauzi2 M. Fauzi, M. Fauzi M.Fauzi M.Fauzi Maulana, Rezki Miracle, Glori Mohd Riza Fahlifi SF Muhammad Fauzi Muhammad Fauzi Muhammad Fauzi Muharisa ' Musdalifah Desti Andini Netri Rosnita Nidanul Akmal Ritonga Nora Saulina Novita Sari Br Perangin-angin Nur El fajri Nuraini El Fajri Nurfatihayati Nurwijayanti Ofrizal ' Oktaviandora ' Pandera, Cici Permata Zahrani Hedista Purba, Dewi Nokiana F Br Puspita, Rita Putri Amelia Yolanda Rahmawati, Anisya Riska Diani Rival Junaidi Rizki Adiwanarta Romie Jhonnerie Ronanda, Vida Tri Rosalina M Siahaan Rova Erwinda Fitri Rusliadi Rusliadi Saddam Husein Safruddin ' Sandrila Putri Elsa Saulina, Nora Sembiring, Rinawati Septiyawati ' Silvi Rahmi Silvia Ulga Siti Ramlah Siwolo, Apria Bodhi Sri Ika Wulandary Suci Rahma Deni Sugeng Budiharso Sugeng Budiharsono Syafriwarty Syafriwarty Syamsiar, Syamsiar Tiara Mediana Annisa Umi Asni Vida Tri Ronanda Yolanda, Tiwi Novia Yollanda Defira Yossi Oktorini Yuliati - Yusuf, Affin Zuhri, Muhammad Isnan