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Journal : Journal of Coastal and Ocean Sciences

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.
Bivalve Abundance and Distribution in the Seaweed Ecosystem in the Waters of Jago-Jago Village, Tapanuli Tengah, North Sumatra Province Siagian, Yosua; Zulkifli, Zulkifli; Tanjung, Afrizal
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.5.2.135-142

Abstract

This research was conducted in May 2022. This research was conducted in Jago-jago Village, Tapanuli Tengah, North Sumatra Province. The aim was to determine the abundance and distribution pattern of bivalves in the study area. The method used in this study is a survey method, namely direct observation, taking samples in the field, and then analyzing them in the laboratory. Determining observation stations and data collection using the purposive sampling method is done by considering various conditions at the research location. Sampling was carried out at three stations that were considered representative of the research area. Each station consists of 3 transects with a length of 50 m each, where each transect has three plots measuring 1x1m2. From the research results of the types of bivalves found in the coastal waters of Jago-Jago Village during the study, there were six types of families, namely Arcidae, Cardiidae, Mesodesmatidae, Ostreidae, Donacidae, and Corbiculidae. At the same time, there were as many as six species: Anadara antiquata, Trachycardium subrugosum, Atactodea sp, Crassostrea sp, Donax sp, and Polymesoda erosa. Based on the results of the ANOVA test, it was known that the abundance of bivalves in the coastal waters of Jago-Jago Village showed a significant value obtained <0.05, namely 0.016. This indicates that the difference in abundance between stations is significantly different. The average organic matter content at station 1 is 4.59%. The substrate is muddy sand with an abundance value of 4.33 ind/m2. At station 2, the organic matter content is 4.05% with sand substrate, and the abundance value is 3.11 ind/m2. The organic matter content at station 3 is a 6.39% sandy mud substrate with an abundance value of 6.11 ind/m2. The highest relative abundance of bivalves found at station 3 was Donax sp, which is 32.72%.
Bivalve Community Structure in Coastal Water of Lalang Village, Siak District Riau Province Ritonga, Rifai Ramadhan; Zulkifli, Zulkifli; Nasution, Syafruddin
Journal of Coastal and Ocean Sciences Vol. 4 No. 2 (2023): 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/

Abstract

This research was conducted in July - September 2022 in the coastal waters of Lalang Village, Sungai Apit District. The purpose of this study was to determine the structure of the bivalve community including abundance, relative abundance, diversity, uniformity index, dominance index, and distribution pattern. Sampling was done using the line transect method at 3 stations. The results of the study obtained two species of bivalves in the waters of Lalang Village Beach, namely Polymesoda erosa and Glauconome virens with abundance at all stations ranging from 1.67 - 5.33 ind/m2. The bivalve diversity index value at the study site is categorized as low diversity. The bivalve uniformity index value is high, and the dominance index value indicates the presence of dominating species. The distribution pattern of bivalves between observation stations is clustered
Phytoplankton Abundance and Diversity in the Coastal Waters of Lalang Village, Siak Regency Ritonga, Agnesia; Zulkifli, Zulkifli; Siregar, Yusni Ikhwan
Journal of Coastal and Ocean Sciences Vol. 4 No. 1 (2023): January
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 May 2022 in the coastal waters of Lalang Village, Siak Regency. This study aims to analyze the abundance and diversity of phytoplankton. The method used is the survey method by determining the sampling location by purposive sampling. Based on the results of the study, 6 species of phytoplankton were found in the coastal waters of Lalang Village, Siak Regency, namely Nitzschia sp, Isthmia sp, Navicula, Dactylococcopsis sp, Flagilaria sp, and Synedra sp. The average value of abundant phytoplankton at station 1 ranged from 1,938.61 to 479.68; at station 2 it ranged from 3,046.40 to 479.68; at station 3 it ranged around 1,384.72 to 479.68. Based on the results, the abundance of phytoplankton at each station was significant
Effect of Detergent Concentration and Exposure Duration on the Growth of Heterotrophic Bacteria in Seawater Hafizh, Muhammad; Effendi, Irwan; Zulkifli, Zulkifli
Journal of Coastal and Ocean Sciences Vol. 6 No. 2 (2025): 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.6.2.71-77

Abstract

This research was conducted from June to July 2024 at the estuary of the Selat Morong River, Rupat District, Bengkalis Regency, Riau Province. This study aimed to examine the effect of different detergent concentrations on the growth of heterotrophic bacteria, as well as to investigate the influence of varying detergent exposure durations on their growth. The experimental method employed a two-factor completely randomized design (CRD) consisting of different detergent concentrations (Factor A) with five levels: A1 (0 ppm) as the control, A2 (3000 ppm), A3 (6000 ppm), A4 (9000 ppm), and A5 (12,000 ppm), and varying exposure durations (Factor B): 1 day, 6 days, 11 days, 16 days, and 21 days. The results showed that the logarithmic values of heterotrophic bacterial growth over the 21 days indicated the highest growth occurred on day 1 at a concentration of 0 ppm, with a value of 7.09 CFU/mL. However, bacterial growth declined over time, reaching its lowest point on day 11 at a concentration of 3000 ppm, with a value of 6.95 CFU/mL. Statistical analysis revealed that different concentrations and exposure durations had no statistically significant effect on the growth of heterotrophic bacteria (P>0.05), meaning that variations in detergent concentration and exposure time did not cause meaningful differences in bacterial growth under the experimental conditions. This study highlights the potential resistance of heterotrophic bacteria to detergent exposure. It provides a basis for further research into the resilience of microbial communities in marine environments affected by pollution.
Community Structure of Benthic Epifauna in Mangrove Forest Rehabilitation of Kedaburapat Village Kepulauan Meranti District Syafrhani, Wan Nabila; Efriyeldi, Efriyeldi; Zulkifli, Zulkifli
Journal of Coastal and Ocean Sciences Vol. 2 No. 3 (2021): 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

The mangrove forest area is important for benthic epifauna because it is a habitat for benthic epifauna. This research was conducted in September 2020 in the mangrove forest rehabilitation area of ​​Kedaburapat Village, Kepulauan Meranti. In this study, it was divided into 2 areas, namely the mangrove planting period 2018 and the planting period 2019. The result of this study found 18 species from 2 classes, Gastropods and Malacostraca. Gastropod class namely Littoraria melanostoma, Nerita balteata and Sphaerassiminea miniata; and Malacostraca classes namely Macrophthalmus convexus, Clibanarius longitarsus and Clibanarius ambonensis. Macrozoobenthic abundance values ​​ranged from 50.33 to 46.63 ind/m2, the diversity index value (H ') was between 1.23-2.27, the dominance index value was 0.30-0.65, the uniformity index (E) ranged from 0.32-0.67 and the distribution ranges from 0.94-1.61. Water quality parameters measured include temperature, salinity, pH, organic matter, TSS and substrates that affect the presence of benthic epifauna.
Diversity and Distribution of Gastropode (Molusca) in the Mangrove Ecosystem of Apar Village, Pariaman City, West Sumatera Province Desmarina, Yuyun; Zulkifli, Zulkifli; Nasution, Syafruddin
Journal of Coastal and Ocean Sciences Vol. 3 No. 2 (2022): 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/

Abstract

This research was conducted in August 2021 in Apar Village, Pariaman City, West Sumatra Province. This study aims to determine the diversity and distribution pattern of gastropods in the mangrove ecosystem of Apar Village, Pariaman City. The method used in this research is a survey method. A sampling of gastropods was carried out by purposive sampling method and sediment sampling was carried out using a 10 cm paralon pipe with a depth of 10 cm. The results showed that the diversity of gastropods in the waters of Apar Village was included in the low category. The highest density of gastropods was Faunus ater which was found at each station, while the lowest density was Ellobium aurisjudae and Latirolagena smaragdulus which were only found on the coast of Apar Village, Pariaman City. The overall distribution pattern of gastropods at each station was evenly distributed and gastropods in the study area were in the high category. Based on the analysis of sediment organic matter in Apar Village, the highest average value was 29.43% and the lowest was 6.51%. The results of the analysis of the sediment fraction at each station of the sediment type were muddy sand.
Ratio of Elements Carbon (C), Nitrogen (N), and Phosphorus (P) At Sediment in Seagrass Ecosystem Nirwana Beach Padang West Sumatera Silitonga, May Sarah; Nedi, Syahril; Zulkifli, Zulkifli
Journal of Coastal and Ocean Sciences Vol. 2 No. 3 (2021): 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 November 2020 at Nirwana Beach, Teluk Bayur, Padang City, West Sumatra Province. The organic carbon concentration in the sediments at Nirwana Beach ranges from 1.0320 – 3.03550%, the nitrate content ranges from 0.8599– 0.9577 mg/L, the phosphate 1.8231– 2.7616 mg/L. The C:N:P ratio of sediment is 18.75:1:2.25. The type of sediment found in this study is gravel-sand and seagrass found in the research location was Thalassia hemprichii with a density of 105 - 312 stands/m2. The correlation between the concentration of organic carbon, nitrate, and phosphate on the density of seagrass species is positive.
Analysis of Mangrove Forest Health in the Coastal Area of Kutawaru Village, Cilacap Regency, Central Java Oktaria, Rusiani; Efriyeldi, Efriyeldi; Zulkifli, Zulkifli
Journal of Coastal and Ocean Sciences Vol. 6 No. 3 (2025): 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/jocos.6.3.150-156

Abstract

Mangroves are forests that grow in coastal areas and play a crucial role in maintaining environmental balance, as the health of this ecosystem significantly impacts the stability of coastal areas and the survival of communities that depend on natural resources. This study aims to analyze the Mangrove Health Index (MHI) in the coastal area of Kutawaru Village, Cilacap Regency, Central Java. The transect method was used at three research stations representing mangrove forests. The observed parameters included type identification, canopy cover, stem diameter, and density of trees and saplings. A total of 14 mangrove species were identified, with Rhizophora apiculata as the dominant species, having the highest Importance Value Index (IVI) of 104.69%. The highest tree density is found at Station 3, with a value of 4,611.11 trees/Ha, and the average canopy cover is 80.8%, which is classified as very dense. The average MHI value of 73.74% shows that the condition of the mangrove ecosystem in this region is relatively good. The results of this study are expected to serve as a reference for the formulation of sustainable mangrove management and conservation policies
Abundance and Diversity of Sea Cucumber (Holothuroidea) in Hajoran Beach, Central Tapanuli, North Sumatra Bethanya, Ela Nanda; Zulkifli, Zulkifli; Samiaji, Joko
Journal of Coastal and Ocean Sciences Vol. 6 No. 3 (2025): 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/jocos.6.3.202-206

Abstract

Hajoran is a beach located on the coast of Pandan District, Tapanuli Tengah Regency, North Sumatra. This beach is one of the popular tourist destinations. It boasts high marine biodiversity, including a diverse array of marine organisms, which are part of the invertebrate animal group. This study was conducted in December 2024 along the Hajoran coast. The objective of this study was to determine the species, abundance, and diversity of sea cucumbers. The study also utilized supporting data, including water quality parameters that characterize the habitat conditions of sea cucumber species, such as temperature, salinity, depth, dissolved oxygen (DO), and total suspended solids (TSS). The study employed a survey method with sample collection using the quadrant transect method at three stations. Based on the study's results, four species were identified at the study site: Holothuria atra, H. scabra, Stichopus ananas, and S. chlorosomatus. The average abundance at all stations ranged from 9.600 to 14.000 ind/ha; the highest abundance was recorded at station III. The relative abundance values for each sea cucumber species ranged from 8 to 100%. The lowest relative diversity value was shown by the species S. chloronotus, with a value of 8% at station III. Conversely, the species H. atra exhibited the highest relative diversity value. The diversity index (H') of sea cucumbers at the research site was classified as moderate. Overall, the relatively stable and standardized water quality conditions at Hajoran Beach support the abundance and diversity of sea cucumber species
Co-Authors 'Afifa Zulkifli, Rizka A Halim A. Asrijal Abdul Helim Abdul jalil Abdul Khalik Abdul Rahman Abdul Samad Abdurahman, Ali Abu Bakar Abubakar Abubakar Achmad Agus Priyono Achmad Ridha Adawiyah, Rubiatul Adi Saputra, Suhar Adiffa, Achmad Soni Aditya Nugroho Adlia Alfiriani Adnan Rajak, Adnan Adriana Adriana Adyatma, Rengga Aflizar, Aflizar Afnita, Nora Afrizal Tanjung Agrippina Wiraningtyas, Agrippina agung, Agung Ramadhan Agus Susanti Agusinta, Lira Agusti, Dinda Roanna Agustina Sari, Evi Agustina, Maulidar Agustinus Miranda W Ahmad Hidayat Ahmad M. Ramli Ahmad Ridha Ahmad Sabri Ahmad Syakir Ahmad Wahyudi ahmad yani Ahmadin Ahmadin Ainun Jariah Aiyuda, Nurul Akbar Akbar Akbar Gumilang, Fauzan ALADIN ALADIN Albadrie, Syah Amin Alexander Kurniawan Alfani, Mufti Hasan Alficandra Alhadad, Ilham Alimir, Alimir Almusawir, Almusawir Alpino Susanto, Alpino Alpiyanti, Alpiyanti Alviana, Nur AM, Rusydi Amalia, Zuhra Amanda, Putri Amin, Saifuddin Amiro, Suratno Amrah Amrah, Amrah Amri Amri Ancelmus, Ancelmus Andhika, Genta Andi Haris Muhammad Andi Husni Sitepu Andi Putra Andi Tira, Andi Andika, Risna Andika, Tahta Herdian Andriani, Meta Angga Purnama Anggara, Fauzan Anggraini, Zepa Anik Herminingsih Anis Ashari Anita Rahmawati Anjari, Tiyas Anna Cesaria Ansar Ansar Anshari, Erwin Anuar, Rosihan Anugerah Rante, Harrie Apero, Rivel Lian Apriani, Endang Sri Apriliani, Elsa Aprillia, Ricka Apriyani, Hikma Aras Mulyadi Arbi, Anwar Ardiana, Eka Ardiawanti, Anggi Arham, Zul Ariaz, Panji Ahmad Arief Rahman Arif Arif Arif Rizki Marsa Arif Zamhari Arif, Arif Aji Arifin Arifin Arifin, Yulyani Arip, Moh Ariscasari, Putri Arjawa, I Gst. Pt. Bagus Suka Arlianti, Nopa Armayanti, Febi Armi, Mhd. Ilham Arna Suryani, Arna Arpan, Arpan Arpin, Arpin Arsad, Syahiza Arwin Arwin Arwin Aryulindah, Adinda Arza Aibonotika Asdar, H A Asep Saepudin Jahar Asgar, Muhammad Asmaret, Desi Asmi, Husni Asni Asni Asriyani, Asriyani Asrofi, Asrofi Assyakiroh, Adnin Luthfiah Astawira, Astawira Astini, Baiq Nilawati Astuti - Asyaroh, Siti Asysyuura, Asysyuura Asyura, Finaul Auliyah Rahma, Diana Putri Aviadi, Dedi Aviva, Itsla Yunisva Awaluddin Awaluddin Azisah, Azisah Azkia Azmy, Restu Amalia Azwinur Azwinur Bachtiar, Ahmad Badaruddin Badaruddin Badrut Tamam Bahar, Muchlis Baharuddin Baharuddin Bahori, Bahori Baiq Nilawati Bakhri, Boy Syamsul Balqiah, Hasanah Balqis, Charla Putri Bambang Irfani Bambang Purwoko Bambang Ruswandi, Bambang Bambang Tri Santoso Barham Siregar Basri Bado, Basri Basri, M. Abil Bethanya, Ela Nanda Biba, Muhammad Arsyad Bin A. Ghani, Muhammad Faizal Bintal Amin Buamonabot, Irfandi Budiyanto, Nirwan Candra, Dodi Catur Fatchu Ukhriyawati Cembun, Cembun Chami, Yassine Clarensia, Regina Antonius Cucu Nurhayati, Cucu Daharmi Astuti Dahliana, Besse Damayanti, Ana Daniel Daniel Darmawanto, Darmawanto Darwel, Darwel Dasrizal D, Dasrizal Dedhi Yustendi Dedy Husrizal Syah, Dedy Husrizal Denny Adri Tarumingi Deny Wiria Nugraha Deo Demonta Panggabean Derriawan Derriawan, Derriawan Desmarina, Yuyun Despa, D Dessy Handa Sari Desy Ningsih Komalasari Devi Megawati Devi, Sartika Dewi Purnamawati Dewi Sukarti Dewi, Tiya Marliyana Dia Meirina Suri Dian Pratiwi Diana, Elsi Didit Haryadi Dina Ramadhanti Dina, Annisa Asro Djaddang, Syahril Djafar, Juliana Sartika Dortje L Y Lopulalan Duski Samad Dwi Budi Santoso Dwi Septi Haryani Dwi Shinta Angreni Dwi Wahyu Artiningsih Dwimas, Herdian E. Elwina Edi Kurniawan EDWIN BUSTAMI Efendi, Erlangga Efriyeldi, Efriyeldi Eka Agustini Eka Octavian Pranata Elfia Elfia Elhusen, Shofwan Karim Elmi, Zaetun Elsa Elsyra, Nova Endang Nurcahyani Era Octafiona Erdawat, Mega Erdawati, Mega Erjati Abas Erlina Erlina Erlinda Erlinda Ervin Nora Susanti, Ervin Nora Erwin Erwin Erywati, Erywati Eva Yuniritha, Eva Evi Rosalina Widyayanti Evi Yanti Fahri, Muhamad Fairoh Parinduri, Hafiz Faiza Rini Fajri, Ilham Fajri Fajri, Riyadhul Farizawati Farizawati Farona, Fella Fatwa, Abdul Halil Fauzan, Ikhwan Fauzi Ahmad Muda Febiyansyah, Febiyansyah Febriantari, Sabrina Evi Febrianty, Tanti Ferdiansyah Ferdiansyah Ferdy . Fernando, Daffa Feronika Rosalin Fery Andrianus, Fery Fikri Fikri Firdaus Firdaus Firdaus, Hana Kaori Firdaus, Muh Firdawati, Firdawati Fiskia Rera Baharuddin Fithrah, Aidil Fitri, Anisa Fitri, Sri Sumarni Fitria, Ida Fitriana, Nanda Fitriani Fitriani Fokatea, Jandri Gandara, Yoga Gandhi Sutjahjo Gani, Ainul Ghazali Syamni Giriati, Giriati Gita Purnama Sari, Gita Purnama Guntoro, Erwanto Guslianto, Guslianto Gusniwati , GUSTARI, IRVANDI Habib, Cahya Hadi Hermansyah, Hadi Hakim, Sri Wahyuni Halil, Citra Buana Halim Zaini, Halim Halim, Hendra Halim, Yulita Zulkarnaen Hamdi, Hafizul Hamirul Hamirul, Hamirul Hamsal, Hamsal Hamzah Hamzah Hamzah, Zulfadli Hanif, Alimun Hardi, Yuni Hardianti, Fitri Hardoko Insan Qudus Hariansyah, Zaky Harimukti Wandebori Hariyanto, Surya Hartati, Sukmini Haryanto Haryanto Hasanah, Indri Annisa Hasbi, Hartas Hasdani, Hasdani Hasnawati Hasnawati Hasni Hasni Hasnita, Hasnita Hasriani, Dila Hasyim Asyari Hasyim, Hanayya Shafina Maharani Haya, Wirdatul Hendrik Kurniawan Heni Susanti, Heni Henjilito, Raffly HERLINA HIDAYATI, HERLINA Herlino Nanang Herman Setiawan, Herman Herry Hermawan, Herry Hidayat, Aga Azmi Hidayat, Hakmi Hidayat, Nanang Al Humairo, Putri Zahratul Hutabarat, Khilona Hutauruk, Rosinta Paulina Hutrindo, Erick Ida Wayan Bagus Idris, Jabbar Ikramuddin, Ikramuddin Ilfi Nur Diana Ilham Ilahi Imam, Muhammad Thahrim Imrona Hayati Indah Fitriani Indra Mawardi Indra Perwira, Indra Indrawati, Ajeng R Intan Zuhra In’am, Akhsanul Irfandi Irfandi, Irfandi IRSAN TAUFIK ALI Irvina Nurachmi Irwan Effendi Irwan Irwan Isdaryanti, Isdaryanti iskandar zulkarnaini Ismanto, Widodo Isnaini, Zohratul Istianingsih, Nanik Iwan Syah izky, Alfaroel Jamiluddin Janewarti, Janewarti Jania Haerun Janita S. Meliala, Janita S. Jasmienti, Jasmienti Jayadiputra, Eka Jayawarsa, A.A. Ketut Jayus, Zuliaden Jesika, Silvia Johani Johani, Johani Joharis, M. Joko Samiaji Joko Sunaryo, Joko Julianti, Erna Julisa Aprilia Kaluku Jumadi Jumadi Jumarddin La Fua, Jumarddin La Jumriani, Jumriani Junaidi Junaidi Junanto, Deny Juni Ahyar Juniarsih, Delvita Kadir, Syahruddin Kamaruddin, Sri Wahyuni Karepesina, Dandy Karim Karim, Karim Karim, Ham Karim, Shofwan Karmilia, Rise Karmilia, Rise Karmilia Karya, Detri Kasih, Annisa Tiara Kasmiati Kasmiati Kaulika, Arabella Khabibah, Yuliyani Khaira, Annisa Ulfa Khairuddin Tampubolon Khairunisa, Madona Kharisma, Maltha Khasanah, Yuliani Nuril Khasena, Aisyah Klau, Monika Kresensia Komara, Edi Kova, Tania Bara Kresna, Ida Wayan Bagus Kriswisnumurti Kurnia, Asraf Kurnia, Theresia Avila Kustiawan, Winda L. Hartanto Nugroho La Ode Alimusa Lahmi, Ahmad Laila M. Rasyid Lailiah, Lailiah Larasaty, Endang Latifah, Ella Dewi Lavan, Yohana Oktaviani Lawalata, Josina Leni Marlina Lestari, Agil Maya Linayati Lestari, Linayati Liu, Tri Supryjadi Lubis, Fahdi Saidi Lukmanasari, Putri Lukmanul Hakim Lulu Agustin, Kety M Chotib, M Chotib M, Ariyanto M. Abil M. Rusydi Alwi M. Shabri Abd. Majid M., Ariyanto Ma'arif, Husni Maghfirah, Rahmah Maharani, Alya Shoraya Maharum, Dwi Surya Mahirah, Khaulah Mahmud Mahmud Mainisa, Mainisa Maisarah Maisarah, Maisarah Maisarah, Siti Makorohim, M Fransazeli Maktum, Ummi Malihu, La Maliki, Zidan Manullang, Marihot Marali, Aryati Muhaymin Mardiana Mardiana Mardiansyah Mardiyah, Adiyati Mareti, Silvia Maria Asteria Bekti Rahayu Mariama, Mariama Mariama Marissa Grace Haque, Marissa Grace Marlina, Eva Marlinda Marlinda Martha L. Lande Martha Lulus Lande, Martha Lulus Martha, Rezky Dwi Martin Kustati Marwah, Andi Maryama, Maryama Maskur Maskur Masri, Anshari Masyhuri Masyhuri Mauliany, Fouriza Dinda Megah Andriany Megawati - Meinarini Catur Utami Michael Chrisyie Daniel Bintang, Michael Chrisyie Daniel Miftahul Jannah minti, agus apriadi Miranda, Agustinus Mochammad Imron Awalludin Mochammad Sahid, Mualimin Moehamad Ridhwan, Moehamad Mohamad Trio Febriyantoro Mombang Sihite Mubarak Mubarak Muda Setia Hamid, Muda Setia Mudasetia Hamid Mufida, Nur Aini Muhammad Akmansyah Muhammad Arif Muhammad Chaerul Muhammad Farhan Muhammad Hafizh MUHAMMAD HASBI Muhammad Hatta Muhammad Iqbal Nikmatullah Muhammad Yani, Muhammad Muhammad Yunus Muhammad Yusuf Muhammad Zainul Majdi Muhammad Ziaulhaq Muhammad, Ariyanto Muhammad, Raja Muharman Lubis Muharrifah, Ezra Mukhlis Mukhlis Mukti Hamjah Harahap, Mukti Hamjah Mulyadi Mulyadi Munagi, Yuni Munawar Munawar Munir, Akmal Abdul Munzir, T. Murdiana, Deswita Murini, Murini Musfirah Khairiyah, Nurul Musliadi K H Mustafa Kamal Mustafa, Mustafa Kamal Mustarin, Rahma Mutmainnah, Putri Ayu Muzakki, Muhammad Muzalifah, Muzalifah Muzdalifah Muzdalifah Muzdhalifah, Nirmalani Muzekki, Muzekki N Bailusy, Muhsin Nabila Afifah Azuga Nadiawati, Baiq Saopi Nadya Rosyalina Nahar, Nahar Nainggolan, Adinda Rachel Nanang Diana Napu, Fithriah Nashrul Hakiem Nasri, Ahmad Luthfy Nasrul, Herni Widiyah Nasution, Alya Azra Mutia Nasution, Itto Nesyia Nasution, Yenny Aristia Nasutioni, David Nawasiah, Nana Naya, Dea Arun Nazwa, Windy Sakila Neliyati, Neliyati Nenny Anggraini, Nenny Nerty Soverda Ni Made Purnami Ningrum, Velida Apria Ningsih, Dede Alfi Nisa, Jania Haerun Nisrina Hamid NOFELINA, DOLA Nofrizal Nofrizal Noor Sayuti, Muhammad Nouval Trezandy Lapatta Novendri M Nggilu Noviani, Noviani Novriani, Shinta Nugraha, Adi Tugas Nugroho, Dafian Dwi Nuhung, Mahmud Nur Ahmad Habibi Nur Hidayati Nur Kafid NUR KOMALASARI Nur Setiawati Dewi Nur, Muh. Nuraini, Putri Nurdin Nurdin Nurfadila Nurfadila, Nurfadila Nurfadilah Nurfadilah Nurjannah Nurjannah Nurlina, Eka Oktaria, Rusiani Oktavian, Rizki Oktaviani oktaviani Oktavianti Oktavianti Otong Karyono, Otong Ovita Charolina Padang, Arkanuddin Padli , Veri Palaniappan, Ananda Kumar Pangeran, Pangeran Panjaitan, Bosar Panjaitan, Budiman Bonar Alexander Parapat, Monica Esra Parawansyah, Khofifah Indah Parawansyah, Khofifah Indah Parawansyah Pardi Pardi, Pardi Pata, Abdul Asis Pazli, Pazli Pohan, Sarhul Azkar Poiran, Poiran Pratiwi, Baiq Rista Ananta Pratiwi, Estherini Heratity Primandari, Dea Puspita, Bertha Putra, Danil Putri, Hasdiani Putri, Megawati Listyana Putri, Rayhana Syauqi Putri, Zarina Putri, Zarina Putri Qur’ani, Ramita Divta Rachim, Reslianty Rachma Sari, Kartika Rachman, Ranno Marlany RAFSANJANI, IHZA SAFIRA RAFSANJANI Raharja, Lalu Bayu Sagara Kusna Rahayu Puji Suci Rahayu, Yekti Intyas Rahmah, Kurnia Rahman, Ainul Alim Rahman, Khairul Rahmawati, Patria Rahmawati, Rahmawati Raihana Aksara, Rana Rakhmawati, Astri Rama , Rama Ramadhan, Luky Fatur Ramadila, Hana Ramdani, Dinda Rasni, Yuliana Rasyid, Andi Ulfah Magefirah Rasyid, Laila Muhammad Ratna Sari Ratnasari Ratnasari Razi, Misru Refikansa, M. Akbar Aulia Reflianto, Reflianto REMISWAL REMISWAL Reni Fatmasari Syafruddin, Reni Fatmasari REZA PAHLEVI Rezki Amelia Rian Rusman Rianto Rianto Rici Kardo, Rici Ridwan, Ridwan Rifardi Rika Perdana Sari, Rika Perdana Riksa, Gigih Angga Rimadeni, Yeni Riris Istighfari Jenie Rita Kurnia Ritonga, Agnesia Ritonga, Rifai Ramadhan Riyadhul Fajri Rizal, Eka Rizki Amalia Rizki Eka Putra, Rizki Eka Rizki, Fahlul Rofi'i, Rofi'i Romadhon, Muhammad Iqbal Rosadi, Khumaini Rosaliena, Viska Rosikin, Rosikin Rukman, Wira Yustika Rusadi, Ahmad Rusnaini, Sasmita Saadatirrohmi, Siti Ahdina Sabilalo, Mahmuddin A. Sabitah, A'yan Sadat, Mohammad Anwar Saiful Anwar Sakban Wahyudi, Ahmad Saldi Saldi, Saldi Salsabila, Adzkia Reihani Salsabila, Ghina Salsabilla, Dila Azzahra Samosir, Devina Sanchia Sampurna, Ahmad Samrin Samrin, Samrin Sandrayati Sandrayati Sani, Dian Putri Sanjaya, Muhammad Fahyu Sanyus, Hafiz Rahmat Getri Saputri, Ema Lia Sari, Lusiana Sari, Syndhi Pramitika Sari, Wanda Novita Sari, Weny Novita Sarifuddin Andreadi Saskia, Nanda Sastra Tamami, Sastra Sayuti, Muhammad Noor Sentana, Aan Dwi Septiana, Arrum Setia, Muda Setiawan, Agustinus Eko Setiawan, Perdi Setyawati, Rufaida Shine Pintor Siolemba Patiro Siagian, Yosua Sianturi, Desi Deria Sibuea, Nunti Siburian, Egi Lianry Sidqi Atma Nadi Sihite, Mombang Sihombing, Jonmaianto Silitonga, May Sarah Silvia, Vivi Sima, Maharani Simamora, Irma Yusriani Simangunsong, Norawaty Simatupang, Mona Rebeca Sipahutar, Alin Syafira Sipnarong, Sipnarong Sitompul, Dodi Tri Putra Sitti Rusdianah Jafar Situmeang, Jeffri Vower Sofyan Husein Siregar Sofyan Rizal, Sofyan Solly Aryza Sri Langgeng Ratnasari Sri Utaminingsih Sri Wahyuni Sri Wahyuningsih Sudianto, Sudianto Sudjanadi, Sudjanadi Suhaili, Hidayati Suhana Suhana Suharmanto, Tri Suhartina Suhartina, Suhartina Suherman, Suherman Sukarno Bahat Nauli, Sukarno Bahat Sulaiman Sulaiman Sulistyowati Sulistyowati sumardin, sumardin Sumartini, Ni Putu Sunaryanto Sunaryo, Hadi Supriadi, Edi Suralaga, Fadhilah Suriadi, Hari Suryadi, Ramadhan Suryani Suryani Suryanto Suryanto Susono, Juhasdi Sutan Mamad, Firdaus Sutrisna, Yana Syafiuddin Syafiuddin Syafrhani, Wan Nabila Syafrida, Reni Syafruddin Nasution Syah Amin Albadry Syahputri, Mely Dwi Syahril Nedi Syahrir Ibnu Syahruddin Syahruddin Syahrullah Syahrullah Syamsuddin Syamsuddin Syamsul Bahri SYAMSURIZAL TAN Syarifuddin Syarifuddin T, Andi T, Sidqi Atma Nadi T. Iskandar Faisal Tahara Dilla Santi Tanjung, Ali Mukti Taqwa, Nuri Ahli Tarjo Tarjo Tasman Tasman Taufik Hidayat Taufik Taufik Taufiq Carnegie Dawood Tawee, Seow Teuku Rihayat Thahir, Zakiah Thamrin Thamrin Tiarifani, Tasya Tibrani Tibrani, Tibrani Tiur Simanjuntak Tomagola, Leny MS Tona Aurora Lubis Totok Adhi Prasetyo Tri Rini Nuringtyas Tri Widyastuti Triayomi, Kholdi Septi Triseptya, Ghaliyah Nimassita Trisno Trisno Tundjung Tripeni Handayani, Tundjung Tripeni Turmizi, Turmizi U, M Ikhsan Ulfa M. , Mahdalena Ulfa, Abd. Hadid Rahman Ulfah, Mashita Ulfanora, Ulfanora Ulya, Himma Umar, Nyak Umi Hijriyah Usman Usman Usman Usman, Fityatun Utami, Amanda Dwi Utami, Citra Tristi Verdiyanata, Jimmi Febri Vianaza, Vianaza Wafia Azam Syuhada Wahdaniah Mukhtar Wahyu Akbar wahyuni wahyuni Wahyuni, Nuci Wari, Elli Indras Wati, Rani Sri Welly Ardiansyah Widiyantama, Muhammad Naufal Widya Pratiwi Wijaya, Agustinus Miranda Wijayanti, G. A Sri Puja Warnis Wijiati , Sri Wikaningtyas, Suci Utami Winarso, Widyo Winata, Ari Trisna Wismar, Teta Wispinaldo, Azhari Worowirastri E., Dyah Wujayanti, Dyah Wulan Sari, Finky Sandra Wulandari, Hadi Wulandari, Nirana Firda Caesaria Yana Tatiana, Yana Yasmi, Yasmi Yondilla, Randa Winggo Yudho, Pijar Kuncoro Yudianto, Peri Yulianti, Eka Nur Yulianto, Prafidhya Dwi Yulianty Yulianty Yulina , Bainil Yuniar, Nur Haliza Yuri Yudhaswana Joefrie Yurni, Irma Yusdiana, Yusdiana Yusfil, Yusfil Yusmanizar Yusmanizar Yusni Ikhwan Siregar YUSNITA, ERNI Yusrina Yusrina Yusrina, Yasmin Zulfati Yusuf, Ilyas Yuyun Sri Wahyuni, Yuyun Sri Zainal Abidin Zainuddin, Zainuddin Zakaria, Radhiah Zakira, Azkia Zaman, Kamar Zamroni Zamroni Zhuo, Pua Ying Zikri, Ahmad Zohratul Zubir, Zubir Zuhaimi Zuhaimi Zulbaida Zulbaida Zulbaidi, Zulbaidi Zulfikar Zulfikar Zulham, Zulham Zulkifli