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All Journal Voteteknika (Vocational Teknik Elektronika dan Informatika) Jurnal Perikanan dan Kelautan AL-TA´LIM Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Eklektika Jiko (Jurnal Informatika dan komputer) JURNAL PENDIDIKAN TAMBUSAI Astonjadro Minda Baharu AMALIAH: JURNAL PENGABDIAN KEPADA MASYARAKAT Jurnal Teknologi Informasi dan Pendidikan Economic Education and Entrepreneurship Journal Asian Journal of Aquatic Sciences Jurnal Magrobis Jurnal Ilmiah Manajemen Kesatuan Jurnal Darma Agung Suluah Bendang: Jurnal Ilmiah Pengabdian Kepada Masyarakat Jurnal Pengabdian kepada Masyarakat Nusantara Tekper: Jurnal Teknologi dan Manajemen Industri Pertanian SIMBIOSA Journal of Coastal and Ocean Sciences Jurnal Vokasi Informatika (JAVIT) Journal of Rural and Urban Community Empowerment Marketing Management Studies Dinamika Lingkungan Indonesia CANANG: Jurnal Pengabdian Masyarakat Jurnal WIDYA LAKSMI (Jurnal Pengabdian Kepada Masyarakat) Jurnal Ilmiah Mahasiswa (JIMAWA) QISTINA: Jurnal Multidisiplin Indonesia Journal of Management and Administration Provision International Journal of Multidisciplinary Research of Higher Education (IJMURHICA) South East Asian Marine Sciences Journal Jurnal Pengabdian kepada Masyarakat : Kreasi Mahasiswa Manajemen Banking & Management Review Cakrawala: Jurnal Ekonomi, Manajemen dan Bisnis Jurnal Perikanan dan Kelautan
Thamrin Thamrin
Fakultas Pertanian Universitas Kutai Kartanegara, Jl. Gunung Kombeng No. 27 Tenggarong
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POPULATION CONDITIONS OF ECHINOIDEA AND CORAL REEF COVERS IN PONCAN GODANG ISLAND, SIBOLGA, NORTH SUMATERA Adni, Nailul; Mulyadi, Aras; Thamrin, Thamrin
Asian Journal of Aquatic Sciences Vol. 4 No. 2 (2021): August
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Riau

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

Abstract

Poncan Godang Island is included in the appropriate category based on the suitability of land for the Sibolga tourist area, with the presence of tourism activities that can also affect the amount of biodiversity in it. Considering the importance of coral reefs for biodiversity and sea urchins which also have a role in coral reef ecosystems, it is necessary to conduct research on the condition of sea urchins population and the percentage of coral reefs on Poncan Godang Island. Sea urchin and coral reef data were collected using the Line Intercept Transect (LIT) method by monitoring directly on the transect line along 50 meters. The results obtained indicate that the population of sea urchins in the waters of Poncan Godang Island, North Sumatra can be described, that sea urchins do not affect the coral reef ecosystem because at stations 1 and 5 there is no sea urchin and the percentage of coral cover is classified as bad, but at station 3 there are 32 individuals with coral reef cover conditions, while at stations with The percentage of good coral cover is that at station 4 there are only 25 individuals, as well as at station 2 where the percentage of coral cover is higher than station 3 and there are no sea urchins.
CORAL REEF COVER RELATIONSHIP TO POMACENTRIDAE AND PHYTOPLANKTON CORAL FISH IN KASIAK ISLAND OF WEST SUMATRA PROVINCE Sitohang, Margaretha; Nurrachmi, Irvina; Thamrin, Thamrin
Asian Journal of Aquatic Sciences Vol. 4 No. 2 (2021): August
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Riau

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

Abstract

Kasiak Island is one of the islands located in the waters of Pariaman, West Sumatra, and located right in front of Pariaman City. Around the sea, the island is surrounded by coral reefs and is a protected area. In the aquatic area of Kasiak Island has never been conducted research on the relationship of coral reef cover to the coral Pomacentridae and phytoplankton. Therefore, it is necessary to conduct research on this matter in the waters of Kasiak Island, West Sumatra Province. Data collection of coral reef cover is done by the LIT (Line Intercept transect) method with a transect length of 50 meters at a depth of 5 meters using scuba equipment. Coral fish observation is done by UVC (Underwater Visual Census) method with a transect length of 50 meters and an observation area of 2.5 meters left and right at a depth of 5 meters. Phytoplankton sampling is conducted during the day at 11.00 to 15.00 WIB at five points of the station with a depth of 5 meters using Vandorn water sampler volume 2 L with a total take of 100 L, then filtered using Plankton net no 25 and inserted into a sample bottle of 125 ml, then preserved using Lugol 4% as much as 4-6 drops, after which analyzed in the laboratory. Based on the results there is a very strong relationship between coral cover to the abundance of coral fish, where coral cover contributes to the abundance of coral fish by 93.87%, which means that the higher the percentage of coral cover the more species and abundance of coral fish are found. Then the a strong relationship between coral reef cover and phytoplankton abundance, where coral reef cover contributes to the abundance of phytoplankton by 56.37%, which means an increase in the percentage of coral reef cover along with the increasing abundance of phytoplankton.
Teknologi Budidaya Tubifex sp. pada Kelompok Perikanan Desa Sawah, Kecamatan Kampar Utara Sukendi, Sukendi; Thamrin, Thamrin; Putra, Ridwan Manda; Aprinata, Rio; Julisa, Ulfilia; Julisa, Ulfania; Luthfiani, Firda; Fitri, Nurlaila; Zhonada, Anggun; Can, Hafez Adefl; Hamidi, Wilzam; Driani, Gema Illahi
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

Pentingnya cacing sutra sebagai pakan alami sangat dibutuhkan karena memiliki kandungan nutrisi tinggi terutama protein yang mendukung pertumbuhan, perpanjangan masa reproduksi, dan pemijahan ikan . Metode budidaya Tubifex sp. mencakup pemilihan sumber air yang bersih, pemeliharaan suhu dan kondisi lingkungan yang optimal, serta pengelolaan pakan dan limbah. Keberhasilan budidaya Tubifex sp. juga bergantung pada pemilihan substrat yang sesuai, seperti tanah liat atau lumpur organik. Dalam budidaya komersial, cacing Tubifex sp. dapat dipelihara dalam wadah berbentuk bak atau wadah berlubang yang dilengkapi dengan aerasi. Teknologi budidaya Tubifex sp. sangat penting dalam memproduksi pakan alami berkualitas tinggi untuk berbagai jenis organisme akuatik. Penelitian ini membahas metode efisien dalam budidaya Tubifex sp., dengan penekanan pada pemilihan sumber air, kondisi optimal, dan pengelolaan limbah. Teknologi ini menghasilkan cacing Tubifex yang kaya nutrisi, cocok untuk meningkatkan pertumbuhan ikan. Budidaya Tubifex yang berkelanjutan dapat mengurangi tekanan terhadap populasi liar, memberikan manfaat baik bagi akuakultur maupun upaya konservasi.
DIVERSIFIKASI PRODUK OLAHAN BERBASIS IKAN PATIN SEBAGAI PRODUK UNGGULAN BUMDES DI DESA SUNGAI SORIK KABUPATEN KUANTAN SINGINGI Dewita, Dewita; Thamrin, Thamrin; Sukendi, Sukendi; Syahrul, Syahrul; Sidauruk, Shanty W
Journal of Rural and Urban Community Empowerment Vol. 4 No. 1 (2022): Oktober
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

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

Abstract

Sungai Sorik Village is one of the villages in the Kuantan Hilir Seberang District, Kuantan Singingi Regency (Kuansing). In this village there is a Village-Owned Enterprise (BUMDES) whose members are young women who manage the Sorik River Tourism Lake. This Lake Wisata is visited by residents around the sub-district and even residents of other sub-districts from both Kuansing district and neighboring districts, namely INHU district (Rengat). Culinary tourism is an innovative effort to support tourism activities that provide superior food as an attraction for tourists. For this reason, to produce protein-rich snack foods, dragon leg nuggets and brains are made from fish raw, especially catfish. The purpose of this community service activity in Sungai Sorik Village is to develop BUMDES to produce protein-rich snack foods as a form of creative economy which is carried out by making flavor variants of snack food products. The result of implementing community service activities in developing BUMDES is a new taste of fish-based snack food products. Based on consumer interest in the resulting flavor variant products, it turns out that all the variants produced are preferred by consumers.
PENGARUH NORMA SUBJEKTIVE TERHADAP MINAT PEMBELIAN PRODUK SEPATU ADIDAS PALSU MELALUI SIKAP SEBAGAI VARIABEL MEDIASI STUDI KASUS MAHASISWA UNIVERSITAS NEGERI PADANG Bilhuda, Ulwatul; Thamrin, Thamrin
Banking & Management Review Vol. 11 No. 1: Banking & Management Review
Publisher : STIE Ekuitas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52250/bmr.v11i1.502

Abstract

This study aims to prove and analyze the effect of subjective norms on the purchase interest of fake Adidas shoes through variable attitudes. In this study, the samples were 100 active students at Padang State University. The process of testing the hypothesis is carried out using Smart PLS, namely through analysis of structural equation models (SEM). The testing process is carried out in two stages, namely looking for direct effects and looking for indirect effects of exogenous variables on endogenous variables which are strengthened by a mediating variable. Based on the results of testing the first hypothesis, it was found that subjective norms had a positive and significant effect on student buying interest at Padang State University on fake Adidas shoes. The second hypothesis testing of subjective norms has a positive effect on student attitudes at Padang State University on fake Adidas shoes. The third hypothesis is that attitudes have a positive and significant effect on student interest at Padang State University to buy fake Adidas shoes while the fourth hypothesis is that subjective norms have an effect on buying interest in fake Adidas shoes after going through attitude as an intervening variable for students at Padang State University.
THE ROLE OF ANONYMITY IN ARTIFICIAL INTELLIGENCE BASED CHATBOT USAGE BY UNIVERSITY STUDENT AT MEDAN Chandra, Randy Brilliant; Panjaitan, Erwin Setiawan; Pasha, Muhammad Fermi; Thamrin, Thamrin; Robin, Robin
JIKO (Jurnal Informatika dan Komputer) Vol 8, No 2 (2025)
Publisher : Universitas Khairun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33387/jiko.v8i2.9768

Abstract

AI Chatbot is a computer program integrated with artificial intelligence designed to interact with humans and provide useful information. AI Chatbot offers anonymity, one of the factors motivating someone to use it since they feel safe. Indonesian students nowadays inhibit shyness to ask questions and participate in learning due to anxiety factors and fear of negative judgment. Therefore, it is necessary to conduct a test to understand the extent of acceptance factors of AI Chatbots. This research aims to examine the effect of anonymity variable on the use of AI Chatbots among university students at Medan using the UTAUT2 model. A survey was conducted on 421 students. Using the Structural Equation Modeling (SEM) model with the help of SmartPLS software, this study introduces the anonymity variable in the UTAUT2 model, which has a positive and significant effect on students’ behavioral intention to use AI Chatbots. These findings also show that price value and habit have a positive and significant effect on behavioral intention, also habit and behavioral intention effect students’ behavior towards AI Chatbots at Medan. However, performance expectancy, effort expectancy, social influence, facilitating conditions, and hedonic motivation do not affect the students’ behavioral intention and behavior towards AI Chatbots
Abundance and Diversity of Sponges in the Waters of Pasumpahan Island, West Sumatra Rusdi, Muhammad; Efriyeldi, Efriyeldi; Thamrin, Thamrin
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.6.2.119-124

Abstract

Sponges are the most primitive multicellular animals that live in various types of waters, ranging from fresh to brackish and marine. Sponges live at the bottom of the water, usually embedding themselves in rigid substrates such as rocks or corals and competing with other attached organisms for food space. This study aimed to analyse the abundance and diversity and determine the differences in sponge abundance at different depths. This research was conducted in March 2024 in Pasumpahan Island, West Sumatra. This research used the survey method and the belt transect method. The sampling location was divided into three stations consisting of 3 sampling points. Station I is located in the tourist area, Station II is in the dock area, and Station III is in the area facing the open sea. The results showed that the highest abundance based on depth was found at station I with a depth of 5 m, namely 1071.4 ind / ha and the lowest abundance at station II with a depth of 7 m, 714.286 ind / ha. The t-test results obtained a significant value of less than 0.05, namely 0.048, which means that the abundance of sponges at different depths is significantly different. The diversity index ranges from 1.930 to 2.013, indicating that the sponge diversity level in Pasumpahan Island waters is classified as moderate. The T-test results show a significant value of more than 0.05, namely 0.795, which means the abundance of sponges at two depths is significantly different
Abundance of Chaetodontidae Family Reef Fish and Coral Reef Condition in the Sikuai Island Area, West Sumatra Yosefa, Bella; Thamrin, Thamrin; Tanjung, Afrizal
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.6.2.108-113

Abstract

Coral reefs are massive piles of sediment from calcium carbonate produced by the phylum cnidaria, class Anthozoa, and order Madreporaria, with the addition of calcareous algae and other organisms that produce calcium carbonate. One group of biota that lives in association with coral reefs and plays a vital role in the coral reef ecosystem is the Chaetodontidae fish. The taking of the Chaetodontidae family as research material is because the coral fish of the Chaetodontidae family are indicator fish for coral reef health that can assess, monitor and predict the condition of coral reefs. Given the importance of the function and the existence of coral reefs. This study aimed to determine the condition of coral reef cover, analyze the abundance of reef fish in the Chaetodotidae family, and determine the relationship between coral reef cover and the abundance of reef fish in the Chaetodotidae family. This study was conducted in December 2024 in Sikuai Island, West Sumatra. This study used survey methods, such as UVC (underwater visual census) and UPT (underwater photo transect). The research location was divided into three stations in the southern part of Sikuai Island because the southern part is relatively protected from large waves during the west wind season. Station I is next to Sirandah Island, Station II is in the harbour area, and Station III is in the abandoned ship area. The analysis showed that the highest percentage of coral cover was found at Station III, namely 45.13%, and the lowest rate was found at Station I, 6.47%. The calculation of reef fish abundance showed that the highest abundance of reef fish was found at station III, namely 5000 ind / ha and the abundance of reef fish at station I was 6.47%.
Abundance of Phytoplankton and Primary Productivity Levels in the Waters of Kasiak Island West Sumatera Province Silaban, Santi Maria; Thamrin, Thamrin; Siregar, Sofyan Husein
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 study was conducted in June 2021. Data collection of phytoplankton abundance and primary productivity was carried out in the waters of Kasiak Island of West Sumatra Province. The aim of the study was to analyze phytoplankton abundance, primary productivity vertically, and the effect of phytoplankton abundance on primary productivity in the waters of Kasiak Island. Based on the results of this study obtained that the abundance of phytoplankton on the surface (0 m) ranges from 41.67-187.50 ind/L. The abundance of phytoplankton in the depth of 5 ranges from 20.83-104.17 ind/L. While the primary productivity level of the results of the measurement of dissolved oxygen of the surface (0 meters) is obtained ranging from 7.6-11.2 mg/L while at a depth (5 m) range from 8-10.4 mg/L. Based on simple linear regression analysis on the surface (0) obtained the equation Y = 42.26x + 0.48x. The value of r2 = 0.2031 while the correlation coefficient value (r) is 0.4507. Based on the results of a simple linear regression analysis it is stated that the increasing abundance of phytoplankton the primary productivity level of the waters increases. As for the depth of 5 meters the equation Y = 46.45x + 0.07x. The value of r2 = 0.0183 while the correlation coefficient value (r) is 0.1335. Based on linear regression obtained a negative correlation means that reducing the abundance of phytoplankton will reduce the productivity of the waters.
Condition of Mangrove Forest in the Village of Apar Pariaman Utara District Pariaman City West Sumatra Province Alpian, Alpian; Efriyeldi, Efriyeldi; Thamrin, Thamrin
Journal of Coastal and Ocean Sciences Vol. 2 No. 2 (2021): 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

Pariaman Utara District has the most extensive mangrove forest, which is 16.5 ha, in Apar Village the amount (6.0 ha). The purpose of this study was to determine the type and density of mangrove forests and to determine the condition of mangrove forests by determining the percentage of canopy cover in Apar Village. The method used in this research is a survey method, where the data collected is data obtained directly from the field which is then analyzed the data. The research procedure consisted of several stages, namely, collecting density data at 3 stations. Each station consisted of 3 straight line transects along 50 meters from the sea and estuary to land with a position perpendicular to the coast and having a distance between transect lines of 50 meters. In each transect line there are 3 plots arranged in a zigzag manner with a size of 10 m x 10 m for the tree category mangrove community structure. Retrieval of canopy cover photo data which was then analyzed by hemispherical photography. The results of measurements of water quality from the research location were temperature 29 - 30 ° C, salinity 4 - 5 ‰ and pH of the waters were 6-7. The composition of mangroves in the research locations were Sonneratia caseolaris, Sonneratia alba, Rhizophora mucronata, Nypa fructicans. Density at station I, 1700.00 trees/ha, station II 1311.11 trees/ha and station III 1888.89 trees/ha. Canopy cover at station I, 80.65%, station II, 58.46% and station III, 83.21%.
Co-Authors . Zulfan A.A. Ketut Agung Cahyawan W AA Sudharmawan, AA Achmad Noerkhaerin Putra Adiyatma, Patwa Adni, Nailul Adriana, Alysa Adriani Susanty Afrizal Tanjung Agustin, R. Sandra Albert Albert Ali Fikri Hasibuan Alit Hindri Yani Alpian Ambiyar, Ambiyar Anak Agung Istri Sri Wiadnyani Ananda, Nahdya Nasri Andikha, Muhammad Imam Anori, Sartika Apdillah, Doni Aprinata, Rio Aras Mulyadi Ariusni Ariusni Ariza Julia Paulina Artha, Dwirani Puspa Asrizal Ayunda, Fadhilah Putri Belilasari, Belilasari Bilhuda, Ulwatul Bintal Amin Can, Hafez Adefl Cantika, Aisyah Chandra, Randy Brilliant Clara, Dina Harven Darmi, Darmi Darwin Yunus Delvi, Kasma Muria Deni Efizon Desi Yoswati, Desi Dessy Yoswaty Devia Febrina Dewita Dewita Dirmaningsih, Septi Djohan, Deva Dodi Irwan Siregar Driani, Gema Illahi Efriyeldi, Efriyeldi Eko Wahyu Nugrahadi Elizal, Elizal Fadli, Mohamad Faiza, Deslina Farma, Elmi Aulia Fatmawati, Riska Febrianda, Farid Feliatra, Feli Ferdiansyah, Andika Fitri, Nurlaila Fitri, Nurlaili Fitriana, Riza Gafnie, Ghassani Razan Ginting, Twinta Dellanov Hadiyatma, Patwa Hamidi, Wilzam Harahap, Irawan Hasanah, Afifah Nur Helda Helda Hidayat, Aga Azmi Husnawati Husnawati Ida Ayu Putu Sri Widnyani Ifdil Ifdil IKA PUSPA SATRIANNY Ince Raden Irvina Nurachmi Irwan Effendi Irwan Limbong Izrawati, Izrawati Jamaludin . Joko Samiaji Julisa, Ulfania Julisa, Ulfilia Kuandi Chandra Kurniawan, Rika La Rianda Lieng, Lieng Lovanda, Andi Luthfiani, Firda M. Delpopi Maemunah Manik, Pilipus Fiter Matondang, Ridwan Rafsyanjani Meridona, Meridona Mirad, Awis Mohd. Hatta, Mohd. Mubarak Mubarak Muchlis Muchlis Muhammad Edisar Muhammad Natsir Kholis Muhammad Rusdi MUHAMMAD YUSUF Muhson, Nanang Murad, Auda Nabila Tasrif NANDA PRATAMA Naserd, Yolanda Febriani Nasib Ngazizah, Yeti Nur Nisa, Rahmiyatin Nofi Yendri Sudiar Nofrizal Nofrizal Nuraini Nuraini Nuri Aslami Nursamsi, Nursamsi Nursamsi, Nursamsi Nursyirwani, Nursyirwani Oktamelani, Aulia Oktapani, Silm Pakhrur Razi Pambudi, Bagas Ariya Paniska, Almaarif Panjaitan, Erwin Setiawan Pasha, Muhammad Fermi Prasiska, Yulia Pratama, Bima Pratama, Farrel Putri, Yolandha RAHAYU, IFNALIA Rahma Lisya, Sri Rahman, Ana Septia Rahmiati Rahmiati Ramses Firdaus, Ramses Ratih Amelia, Ratih Rayhan Anugerah Hadikusuma Rery Novio Ridwan Manda Putra Rifardi Rizki, Nida Robin Robin, Robin Rohim, Mustofa Romie Jhonnerie Rosmayani, Rosmayani Sandi, Widya Ari Sari, Seftika Sari, Yollit Permata Satriany, Ika Puspa Satyawira, Immanuel Grahan Deyon Sawitri, Nadia Shintya, Ellysa Siahaan, Vani Oktavia Sibarani, Choms Gary Ganda Tua Sidauruk, Shanty W Silaban, Santi Maria Simatupang, Wakhinuddin Siringo-ringo, Irpan suriadi Siringoringo, Frido S. Siti Aisyah Siti Fatimah Sitohang, Margaretha Sitohang, Margaretha Sri Ulina Siwi, Menik Kurnia Sofya, Rani Sofyan Husein Siregar Sudjianto Sudjianto, Sudjianto Suharianto , Joko Suheri, Wira Noviana Sukendi Sukendi Sumarno . Suryadi, Gusnan Susanto, Riki Suyanto Suyanto Syafruddin Nasution Syahrul Syahrul Syaiful . Syoffnelli, Syoffnelli Syoffnelli, Syoffnelli Tamba, Iventura Tawa, Hasbi Tri Kurniawati, Tri Triani, Mike ULWAN, NASEH Utari, Vannesa Vivin Seygita, Vivin Wafa, Khairuw Wahyu, Rifkhan Wahyudi, Rido Wardana, Rangga Wily Julitawaty, Wily Yeni, Isra Yohandri Bow Yosefa, Bella Yuliana Yuliana Yusni Ikhwan Siregar Zhonada, Anggun Zulfikar, Andi Zulkifli Zulkifli