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All Journal Indonesian Journal of Geography Maspari Journal Jurnal Natur Indonesia Jurnal Perikanan dan Kelautan Berkala Perikanan Terubuk Jurnal Ilmu Lingkungan Jurnal Ilmu Perairan (Aquatic Science) Maspari Journal Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Sumatra Journal of Disaster, Geography and Geography Education Agro Bali: Agricultural Journal Asian Journal of Aquatic Sciences Unri Conference Series: Community Engagement ECOTONE Jurnal Zona Journal of Coastal and Ocean Sciences Journal of Rural and Urban Community Empowerment Dinamika Lingkungan Indonesia CANANG: Jurnal Pengabdian Masyarakat NUSANTARA: Jurnal Pengabdian Kepada Masyarakat Jurnal Ilmu-Ilmu Kehutanan Pandawa : Pusat Publikasi Hasil Pengabdian Masyarakat South East Asian Marine Sciences Journal Journal of Innovative and Creativity Jurnal Perikanan dan Kelautan Tropical Marine Environmental Sciences Jurnal Natur Indonesia
Efriyeldi, Efriyeldi
Fakultas Perikanan Dan Kelautan, Universitas Riau
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Community Structure of Mangrove Vegetation in Sapat Village, Kuala Indragiri District, Indragiri Hilir Regency, Riau Province Martha, Rezky Dwi; Zulkifli, Zulkifli; Efriyeldi, Efriyeldi
Journal of Coastal and Ocean Sciences Vol. 5 No. 2 (2024): May
Publisher : Department of Marine Science, Faculty of Fisheries and Marine Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jocos.5.2.86-93

Abstract

Mangroves are very productive wetlands and can live in areas still influenced by tides. This research was conducted in November - December 2023 in the mangrove ecosystem of Sapat Village, Kuala Indragiri District, Indragiri Hilir Regency, Riau Province. This study aimed to determine the structure of mangrove vegetation communities in Sapat Village. This study used the survey method, and three stations were used. Mangrove species found include Avicennia alba, Sonneratia alba, S.caseolaris, S.ovata, Nypa fruticans, Rhizophora apiculata, Bruguiera parviflora, B.gymnorhiza, B.sexangula, and Achantus ebracteatus. Mangrove vegetation density at station I has very dense criteria, station II medium criteria, and III has sparse criteria. From the index aspect, the mangrove vegetation community has a diversity value (H'), which is classified as moderate, with sufficient productivity, which has a value ranging from 1.33-1.68. The uniformity value (E) of stations I and II is in the moderate category, which ranges from 0.57-0.58, and station III is classified as a high category with a value of 0.73. Moreover, the value of the dominance index (C) is classified as low, ranging from 0.21-0.3 based on the significant value. The type of N.fruticans dominates because they have a more excellent value than other species seen at each station in both categories of trees, saplings, and trees.
Mangrove Community Structure on the North Coast of Bengkalis Island, Riau Province Rahman, Muhammad Aulia; Efriyeldi, Efriyeldi; Nasution, Syafruddin
Journal of Coastal and Ocean Sciences Vol. 4 No. 3 (2023): September
Publisher : Department of Marine Science, Faculty of Fisheries and Marine Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/

Abstract

This research was conducted in April 2022 on the North Coast of Bengkalis Island, Riau Province. The purpose of this study was to determine the structure of the mangrove community on the North Coast of Bengkalis Island, Riau Province. The method used in this study is a survey method, through direct observation in the field (in situ). Determination of research stations was carried out by purposive sampling method, the research location was divided into 3 stations then the stations were divided into 3 transects and 3 plots were placed on each transect. The results showed that the mangrove species found consisted of 8 species. The highest density of mangroves in the tree category was at station I, namely 1,767 ind/ha, the highest density of mangroves in the sapling category was at station I, namely 3,645 ind/ha. The species with the highest density, both from the category of trees and saplings, is R. apiculata. The diversity index belongs to the medium category (H' = 1.49 - 1.69) which means that the mangrove community is experiencing significant pressure (disorder). The uniformity index value obtained is in the high category (E = 0.89 - 0.90) where the distribution of species in these waters is in a balanced state. The dominance index value (C = 0.18 - 0.26) indicates that there are no species that dominate in these waters
ANALYSIS OF BLUE ECONOMY STRATEGY IN MAINTAINING CORAL REEF BALANCE: A CASE STUDY IN AMED WATERS, BALI Matondang, Ridwan Rafsyanjani; Efriyeldi, Efriyeldi; Thamrin, Thamrin
Asian Journal of Aquatic Sciences Vol. 8 No. 1 (2025): April
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/ajoas.8.1.7-19

Abstract

Amed Waters, Bali, is one area that utilizes coral reefs in economic development. However, climate change, human activities and other factors have threatened the condition of coral reefs in Amed Waters. This study aims to determine the condition and social and economic potential of coral reefs and examine the appropriate blue economy strategy in maintaining the balance of coral reefs in Amed Waters, Bali. This research was conducted in September-November 2024. This research used direct field data collection methods such as Underwater Photo Transect (UPT), interviews and the Analytical Hierarchy Process (AHP). Based on the percentage of coral cover and the interviews' results, the results showed that coral reefs in Amed Waters can be classified as poorly damaged, so conservation efforts and sustainable management are needed to maintain the balance of coral reefs. Coral reefs have social and economic potential in the fisheries sector, with a fishing group of 19 people and marine tourism in the form of diving and snorkelling. The main focus of community economic development is the tourism sector. The blue economy strategy that can be applied in the conservation of coral reefs in Amed Waters, Bali, focuses on environmental aspects of coral reef health, economic aspects of increasing community income, and social aspects of community participation
Distribution of Bivalve Abundance in the Intertidal Zone of Bandar Laksamana Sub-District, Bengkalis District, Riau Province Sabirin, Muhammad; Samiaji, Joko; Efriyeldi, Efriyeldi
Jurnal Perikanan dan Kelautan Vol. 29 No. 1 (2024): February
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/

Abstract

This study was conducted in June 2022 to know the diversity and abundance of bivalve species as well as know the relationship between the total organic matter content of sediments and the abundance of bivalves found in the intertidal zone of coastal waters of Bandar Laksamana District. This research was conducted using the survey method, where each station consisted of 3 plots perpendicular to the coastline. Station 1 is in Tenggayun Village, Station 2 is in Api-Api Village, and Station 3 is in Parit Satu Api-Api Village. Observations and sampling were conducted directly in the field and then analyzed at the Marine Biology Laboratory, Department of Marine Science, Faculty of Fisheries and Marine, Universitas Riau. Based on the research results, it is known that the highest abundance of bivalves is found at Station 2, which is 2.07 ind/m2 with an organic content of 2.44%. At the same time, the lowest abundance of bivalves is found at station 1, which is 0.44 ind/m2 with an organic content of 0.91%. The bivalves found include Corbicula javanica, Anadara granosa, Solen sp, Pharella acutidens, and Anadara antiquata.
Community Structure of the Bivalve in Tidung Island Waters, Seribu Islands Regency, DKI Jakarta Province Harahap, Anugrah Setiadari; Nasution, Syafruddin; Efriyeldi, Efriyeldi
Jurnal Perikanan dan Kelautan Vol. 28 No. 3 (2023): October
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/

Abstract

Community structure is a concept that studies the composition of species and abundance in a community. This research was conducted in April 2022 in the waters of Tidung Island, Seribu Islands Regency. The purpose by conducting this study was to determine the structure of the bivalve community which includes species, density, relative density, diversity, uniformity, dominance, distribution pattern and index of similarity. The research method used in this study is survey method, were carried out at 3 stations, station determination using purposive sampling method taking into account the anthropogenic conditions in the study area. Based on results, types of bivalves found consisted of 6 species of bivalve. The species most commonly found is Atrina pectinata. The abundance of bivalve obtained ranged from 2.67 – 5.47 ind/m2. The results of the ANOVA test between observation stations obtained the value of sig. <0.05, so it can be concluded that the density of Bivalvia between stations was significantly different, except for stations I and III. The distribution pattern of bivalves in the waters of Tidung Island is in groups. The value of the Diversity Index in the study area is classified as moderate (2.06 – 2.12). The uniformity index value during ranged from 0.80 – 0.82 wich is included in the balanced category. The dominance index between stations is different with a value range of 0.25 – 0.28 which means that no species dominates at each station.
Sosialisasi Peranan Ekosistem Mangrove dan Aksi Penanaman di Desa Teluk Papal Kecamatan Bantan Kabupaten Bengkalis Efriyeldi, Efriyeldi; Mulyadi, Aras; Siregar, Yusni Ikhwan; Ananda, Fajriani; Taufik, Hendra; Fuadi, Indra; Hutomo, Ragil Tribhakti; Nurafni, Melia; Elfina, Yetti; Imran , Imran; Lee, Seung Hun
Journal of Rural and Urban Community Empowerment Vol. 5 No. 1 (2023): Oktober
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/

Abstract

Ekosistem mangrove mempunyai banyak fungsi dan peranan, namun ekosistem ini banyak mengalami kerusakan baik oleh faktor alam maupun faktor manusia. Perbaikan kondisi ekosistem mangrove telah dilakukan oleh beberapa kalangan melalui penanaman bibit mangrove kembali. Tujuan kegiatan pengabdian kepada masyarakat ini adalah untuk mensosialisasikan peranan mangrove kepada masyarakat dan melakukan aksi penanaman mangrove, khususnya anggota Kelompok Masyarakat Konservasi Lingkungan Pesisir Desa Teluk Papal. Pada kegiatan pengabdian ini, metode yang digunakan adalah ceramah, tanya jawab, dan praktek penanaman bibit mangrove dengan melibatkan secara langsung mansyarakat, mahasiswa Angkatan 2023 dan alumni serta dosen S3 Ilmu Lingkungan Universitas Riau. Peningkatan pengetahuan masyarakat terkait peranan dan fungsi hutan mangrove dilakukan evaluasi dengan meminta peserta mengisi kuisioner sebelum dan setelah kegiatan dilakukan. Selanjutnya data yang diperoleh dianalisis secara deskriptif. Kegiatan penyuluhan ini menunjukkan hasil bahwa seluruh peserta mengikuti kegiatan dengan serius dengan mendengarkan materi yang disampaikan oleh tim penyuluh dari awal sampai akhir. Hasil evaluasi menunjukkan bahwa sebagian besar peserta (90%) sebelum adanya kegiatan pengabdian telah mengetahui peranan fisik hutan mangrove dalam melindungi pantai dari abrasi dan meningkat menjadi 100 % setelah kegiatan. Selanjutnya sebelum penyuluhan masih ada sekitar 10% peserta yang belum mengetahui mangrove dapat ditanam melalui buah dan bibit, menjadi 100 % mengetahuinya setelah penyuluhan. Sebagian besar peserta ini merupakan petani yang lahannya terabrasi maka ada sekitar 60% peserta belum mengetahui fungsi biologi hutan mangrove sebagai tempat hidup berbagai biota perairan, namun setelah dijelaskan menjadi semuanya (100%) dapat mengetahuinya. Pada akhir kegiatan semua peserta (100%) menyatakan kegiatan pengabdian bermanfaat untuk menambah pemahamannya tentang peranan mangrove, sehingga keberadaan mangrove sangat penting untuk melindungi pantai dari abrasi.
THE RELATIONSHIP BETWEEN ORGANIC MATERIAL CONTENT IN SEDIMENTS AND THE ABUNDANCE OF EPIPELIC DIATOMS IN THE INTERTIDAL ZONE OF THE WATERS OF DUMAI CITY, RIAU PROVINCE Simanjuntak, Josua; Siregar, Sofyan Husein; Efriyeldi, Efriyeldi
Asian Journal of Aquatic Sciences Vol. 7 No. 1 (2024): April
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/

Abstract

This research was conducted in March 2023, located in Koneng Beach, Dumai City. The purpose of this study was to determine the organic matter content and abundance of epipelic diatoms vertically and to analyze the relationship between the organic matter content in sediments and the abundance of epipelic diatoms vertically in the intertidal area of Dumai City Waters. The method used is the survey method. The sampling point is determined using a purposive sampling method. Sampling of epipelic diatoms was carried out using a modified corer, which was then brought to the laboratory to identify and calculate the abundance of diatoms and the sediment samples to calculate the content of organic matter and sediment fractions. Water quality measurements accompanied sampling with a brightness value of 0.57 m, temperature of 33 °C, current speed of 0.33 m/s, salinity of 28 ppt, and pH of 8.13. The results of the analysis of organic matter are 2.55 – 13.38%. The results of the sediment fraction analysis show that the research location is dominated by sandy silt. Nineteen genera of epipelic diatoms were found in the waters of Koneng Beach, Dumai City, with abundance values between 5,291–39,983 ind/cm2. The one-way ANOVA test results obtained an average value of 0.000, meaning there is a significant difference in the abundance of epipelic diatoms between the sediment layers. The results of the linear regression test showed that the effect of sediment organic matter on the abundance of epipelic diatoms was 50.85%.
MANGROVE VEGETATION COMMUNITY STRUCTURE IN PONGKAR VILLAGE, TEBING DISTRICT, KARIMUN REGENCY, KEPULAUAN RIAU PROVINCE Hadiyatma, Patwa; Efriyeldi, Efriyeldi; Thamrin, Thamrin
Asian Journal of Aquatic Sciences Vol. 6 No. 2 (2023): August
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/

Abstract

Mangrove is a type of vegetation that grows on muddy soil in tidal areas, around the river estuary, and in tropical coastal areas. To support the success of mangrove forest management, it is important to pay attention to the factors that affect the growth of mangroves. This research was conducted in October – December 2021. The purpose of the study was to determine the type, density value, frequency, and cover of mangrove vegetation and its importance value index in Pongkar Village, Karimun Regency, Kepulauan Riau Province, using survey methods and sampling and measuring environmental quality parameters waters in the field. Based on the result of the research, the types of mangrove vegetation found consisted of 6 species, namely Avicennia alba, Avicennia marina, Rhizophora apiculata, Rhizophora mucronata, Sonneratia alba, and Lumnitzera littorea. The highest density of mangrove vegetation in the Pongkar Village area is near the Military District Command (Station II) housing with a total density of 1822.22 ind/ha. The highest relative frequency value of mangroves is found in the Pelambung area of ​​A.alba species with a value of 40%. The highest relative dominance value of mangroves was found at station II of S.alba species with a value of 63.12%. Meanwhile, the highest important value index was found at station II for S.alba species with a value of 152.01% and the lowest important value index was L.littorea which was found at station I with a value of 12.69%.
COMMUNITY STRUCTURE OF ECHINODERMS IN THE COASTAL WATERS OF SUNGAI NIPAH PESISIR SELATAN REGENCY Meitasuri, Gevi; Efriyeldi, Efriyeldi; Nasution, Syafruddin
Asian Journal of Aquatic Sciences Vol. 6 No. 2 (2023): August
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/

Abstract

Echinoderms are thorn-skinned invertebrates such as sea stars, snake stars, sea urchins, sea cucumbers, and sea lilies. Echinoderms are marine animals that act as cleaners for the marine environment, especially the coastal environment. This research was conducted in September 2021 in the coastal waters of Sungai Nipah, Pesisir Selatan Regency, West Sumatra Province. The purpose of this study was to determine the structure of the echinoderm community which includes species, abundance, relative abundance, diversity, uniformity, dominance, and distribution patterns. The method used in this research was a survey method, to determine the observation station using a purposive sampling technique. Based on the research results, the species of echinoderms found in the coastal waters of Sungai Nipah Village are Holothuria scabra, H.atra, and Ophiocoma scolopendrina. The abundance of echinoderms obtained ranged from 7,407–11,481 ind/ha. Echinodemata diversity has an average of 1.13 which belongs to the medium category. The uniformity of echinoderms has an average of 0.13 which is included in the category of very low species uniformity. The average value of dominance is 0.51 which means that there are species that dominate in these waters. The distribution pattern of echinoderms in the coastal waters of Sungai Nipah is uniform.
RELATIONSHIP OF NITRATE AND PHOSPHATE CONCENTRATION ON PHYTOPLANKTON PRIMARY PRODUCTIVITY IN DUMAI RIVERS OF RIAU PROVINCE Syafrizal, Syafrizal; Nurrachmi, Irvina; Efriyeldi, Efriyeldi
Asian Journal of Aquatic Sciences Vol. 4 No. 1 (2021): April
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/

Abstract

This research was conducted in January 2020 in the waters of the Sembilan Dumai River which aims to determine the concentration of nitrate and phosphate on the primary productivity of phytoplankton. The research method used in this research is the survey method while the determination of the research station was done by technic purposive sampling. The results showed that the average nitrate concentration ranged from 0.0194 - 0.0749 mg/l and the average phosphate concentration ranged from 0.1452 - 0.8502 mg/l. There are 6 classes of phytoplankton found in the waters of the Sembilan Dumai River, namely Bacillariophyceae, Cocinodiscophyceae, Chroococcophyceae, Cyanophyceae, Cyanobacteria and Xanthophyceae. The results of phytoplankton abundance calculations ranged from 74.07 - 280.09 Ind/L. The primary productivity value of phytoplankton for gross primary productivity ranged from 62.5 - 104.16 mgC/m2/jam, respiration values ​​ranged from 20.83 - 41.66 mgC/m2/jam and the net primary productivity value ranged from 41.67 - 72.91 mgC/m2/jam. The results of the multiple linear regression test for the relationship between nitrate and phosphate on the primary productivity of phytoplankton at each station are shown by the mathematical equation Y = 60.18 + (-233,19,35) x and Y = 60.18 + 30.44x with the coefficient of determination ( R2) = 0.140 and (R2) = 0.226 and the correlation coefficient (r) = 0.631, the mathematical equation states that the relationship between nitrate and phosphate on the primary productivity of phytoplankton is strong.
Co-Authors ', Zefendra ', Zulkifli AA Sudharmawan, AA Abdullah, Ikhlas Abiyu Rohid Adani Fatahilal Arifin Adila, Melin Adiyatma, Patwa Afrizal Tanjung Agnesia, Yohana Agus Mandar, Agus Agus Sutikno Agusti, Dianda Roaana Agusti, Dinda Roanna Ahmad Pasmuji Ahmadryadi_ahmadryadi Ahmadryadi_ahmadryadi Akmal Hawari Alfiana, Dewi Alghani, Muhammad Roif Alpian Alya, Alya Ananda, Nahdya Nasri Andreas Situmorang Andrew ST OS Andri Hendrizal Andrito, Wahyudi Angelia E Bernike Zebua Anggina, Viona Novi ani ani Anugrah, Muhammad Dea Aprizon Putra Aras Mulyadi Arbianti, Purnama Ardiana, Eka Ariaz, Panji Ahmad Arif Rahman Hakim Arifin, Adani Fatahilal Arlius Arlius, Arlius Arniati, Dina Asma Husna Putri Asma Ul Husna Putri Ayuni, Putri Bagas Ariya Pambudi Bahari, Sandy Bahruddin Batubara, Ummi Mardhiah Bintal Amin Bona Juandi Bonawi Sihombing Bonita Tiolina Exaudi Budijono, Budijono Burhan Marbun Cahyo, Bintang Dwi Clara Yolandika Cut Shifa Nedi Dame, Jupparoh Caisar Van Dandi Arianto Pelly David Raymond Sianturi Dedi Afandi Defri Yoza Dela Haryani Dermawan, Ernanda Putra Desmarina, Y. Despela, Despela Dessy Yosswaty Dessy Yoswaty Dessyka Febria, Dessyka Destriana Destriana Dewi Alfiana Dewi, Delviana Dianda Roanna Agusti Dietriech Geoffrey Bengen Doni Gunawan Tampubolon Dwigantara, M. Fadhol Eko Prianto, Eko Elfind Laoli Elfis Suanto Elizal, Elizal Endi Setiadi Eni Sumiarsih Enny Herawaty Simamora Erick Palatema Esti Nur Rahayu Esti Nur Rahayu Exaudi, Bonita Tiolina Fachry Abda El Rahman Fajriani Ananda Fajriani, Annisa Farona, Fella Fazli Pasha Amri Febrianto Roby Mukhti Fernando, Muhammad Zebi Fia Novianty Fitria Roza Fitriani, Ersa Friska Maulidah Fuadi, Indra Gavion Roston Sitepu Ginting, Dya Indriati Br Ginting, T.B. Gita Purnama Sari, Gita Purnama Gusfi, Melly Hadi Sastranegara Hadiyatma, Patwa Halida Sisda Harahap Hanryani, Putri Hapzi Ali Harahap, Anugrah Setiadari Hardianto Andita Harry Leonardo Barutu Hasan, Masyhuda Hasanah, Siti Umiyatul Hasyim, Ardhan Fadhlani Hendra Taufik Herrys V Silalahi Hersa, Tania Hesty Widyaningsih Homsatun, Nuning Hutomo, Ragil Tribhakti Ida Ayu Putu Sri Widnyani Ikhsan Setiawan Ilham hidayat Ilham Ilahi Imanuel, Andrean Nggara Imran , Imran Imran Imran Indra Bayu Pratama Indradewa, Rhian Inel Vivi Elvia Inka Wahyuni Intan, Selpia Irvina Nurachmi Irwan Effendi Iskan Fami Jumaidi Isnaini, Siti Joko Samiaji Josua Simanjuntak, Josua Judika Nursiani Sipahutar Jufri Jufri Jufri Jufri Junika Cecelia Putri Jupri, Tahany Nur Fadhilah Jupri, Tahany Nur Fadhillah Kaharudin, Zakaria Karnila, Rahman Karnila Kartina &#039; Khairunnisa Khairunnisa Khawarizmi, Dannes M. Kholida, Azzahra Kristoper Aritonang Laila Langsana Laksono Trisnantoro Langsana, Laila Laoli, Elfind Lee, Seung Hun Lianov, Dea Lie Othman Lieng, Lieng Lubis, Abdillah Lucky Syarif Lulu Mayna Nabilla M, Ridwan Rafsyanjani. M. Fadhol Dwigantara M. Subkhan Riza Maria Erna Martha, Rezky Dwi Matondang, Ridwan Rafsyanjani Maulana, Agung A. Mayrany, Sri Eva Meitasuri, Gevi Mia Fatma R Miswadi Miswadi Mubarak Mubarak Mubarak Mubarak Muhammad Aulia Rahman Muhammad Farhan Muhammad Rafsan Zain Muhammad Rizki Fadly Muhammad Rizky Rinaldi Muhammad Rusdi Muhammad Sabirin Muhammad Syarif Muhammad Zebi Fernando Muhammad Zebi Fernando Muhammad Zulkifli, Muhammad Mukhlis Alfarys Musrifin Galib Musrifin Ghalib Musrifin Musrifin Nababan, Sitty Mey Nabila, Chici Nabilah Jauharah Nadeak, Paulinus Nadida, Putri Nadiyatus Sholihat Nadratul Jamila Nasution, Fadli Ripai Nasution, Muhammad Rasid Naufal Sidqi Nawari Nawari Nawari Nawari, Nawari Noel GM Situmorang Novia Suci Yanti Novri Ditama Syafni Nuning Homsatun Nurafni, Melia Nurmalahayati, Yasinta Nursyirwani, Nursyirwani Oktari, Mela Oktaria, Rusiani Pambudi, Bagas Ariya Panggabean, Iis Panggabean, Iis Apriati Panji Ahmad Ariaz Patwa Hadiyatma Paul Rozeki Sinaga Pohan, Rizal Suardiman Pradini, Ulfa Rizki Pramita, Wisnu Pratama, Muhammad Dandy Syifa Prayitno, Betari Erlinda Putri Ayuni Putri Rifdayati Putri, Dinda Maharani Putri, Rahmi Putri, Rahmi Delima Putrianfi, Nadhifah Asilah Rafsyanjani M, Ridwan Rahayunigtyas, Putri Rahma Eka Putri Rahmadhani, Tami Fitri Rahmi Susanti Rahmita, R. Raja Rahmita Ramadani Safitri Ramadhan, A.R Ramadhan, A.R. Ramadhan, Muhammad Farizqy Rangga Wardana Rasoel Hamidy Razid, Muhamad Renata, Vivien Reny Cristina Naibaho RIDWAN AFFANDI Ridwan Manda Putra Rifaldi Rifaldi, Rifaldi Rifardi Rifda Syofiana R Rifdayati, Putri Rini, Yulia Sapta Rivaldi, Rahmat Rizki Dwi Yezelkiel Rizki, A. Romie Jhonnerie Ronal Kurniawan Rosiana, Kenny S. Pane, Rolis Sabirin, Muhammad Safatriani Safatriani Safitri, Winda Santi Maya Sari Saputra, Rengki Sari, D.J. Sari, Dwi Julita Sari, Lita Sari, Nova Iman Savita, Dinda Sihombing, Kelvin Simamora, Enny Herawati Siregar, , Yusni Ikhwan Siregar, Ali Mora Hadamean Siregar, Rafly Fadiansyah Siregar, Rifa Ghina Aulia Siti Anisah Siti Fatonah Siti Hasanah Siti Umiyatul Hasanah Sitorus, Tiroy Sofyan H. Siregar Sofyan Husein Siregar Sonya Marunjung P.Hsb Sri Murtin Sufaidah, Siti Nur Sujianto Sujianto Sujianto Sujianto Sukendi Sukendi Sulistio, Hendra Tri Suparno . Suwondo Suwondo Suzila &#039; Syafrhani, Wan Nabila Syafrizal Syafrizal Syafruddin Nasution Syahril Nedi Syamsiar, Syamsiar Syawfy Luthfiandra Taat Mujaid Arifin Tania Hersa Tanjung, Lismawati Tengku Mutia Smita Dwivayana Thamrin Thamrin Thamrin Thamrin Thamrin Thamrin Thamrin Thamrin Thamrin Tri Lestari Tri Prartono Triatama, Putri Zulfa Trisla Warningsih Uswatun Hasanah Vichi Apridianti Vivien Renata Wahyu Novra Wanda Wahyudi Wahyudi Wanda Syahrian Wardana, Rangga Wulan Cempaka Sari.S Yahya Benardus Sihombing Yanti, D.H. Yehezkiel, Rizki Dwi Yeli Hartuti Yetti Elfina Yohanna Siagian Yona, Fitria Mai Yosua Afrianus P Yulinda, Emelda Yusni Ikhwan Siregar Zain, Rahmita Firda Zakaria Kaharudin Zaki, Raihan Zientika, Zientika Zulhendri Zulhendri Zulkifli &#039; Zulkifli Zulkifli Zulkifli Zulkifli