This study aims to determine the effectiveness of using filters with different types of aquatic plants on the growth and survival of tilapia (Oreochromis niloticus) in a recirculation system. The study was conducted for 56 days from March to May 2025 at the Hatchery of the Aquaculture Technology Laboratory, Faculty of Fisheries and Marine Sciences, University of Riau. The research method used a…
This study aims to improve student learning outcomes in History Learning for class XI TKR at SMK Kansai Pekanbaru through the application of the Cooperative Learning Type Two Stay Two Stray (TSTS) learning model. This study uses the Classroom Action Research (CAR) method which includes the stages of planning, implementation, observation and reflection. The research instrument includes the Teach…
Peatlands in Kampar Regency are located in one of the villages, namely Rimbo Panjang Village, Tambang District, which are used for agricultural areas, plantations, housing locations and highways. In addition to the many benefits of peatland areas utilized by the community, it is possible that peatlands also have weaknesses that will have a negative impact on the surrounding community, namely pe…
Lichen is a form of symbiosis between fungi and algae that is very widespread and can live on substrates that lack nutrients. Lichen has a high level of sensitivity to changes in environmental conditions such as changes in temperature, humidity, light intensity, and air quality that can affect its species diversity. Pekanbaru City, which experiences an increase in the number of motorized vehicl…
The central and regional governments are responsible for regulating and implementing public health programs, including formulating innovative health policies and programs. Through the Health Office, the Pekanbaru City Government has created an innovative program called the Healthy Living Community Home Visits (KURMA MANIS) to facilitate access to healthcare services. This study aims to analyze …
ABSTRACT Methylene blue synthetic dye is carcinogenic, toxic, and flammable so it needs to be processed before being discharged into the environment. In this study, methylene blue was processed by biosorption method using immobilized Chlorella sp. microalgae (Immobilized Microalgae Beads / IMB). This study aims to obtain the optimum variables and empirical model of IMB in the removal of me…
The development of digital technology has become a key driver of change in various sectors, including the financial sector. In recent years, advances in information and communication technology have enabled companies to optimize their operations, increase efficiency, and provide better service to customers. This digital transformation has not only changed how companies operate but also how cust…
ABSTRACT Welsh onion (Allium fistulosum L.) is an important horticultural commodity widely used as a culinary ingredient. One of the main challenges in its cultivation is the low availability of nitrogen (N) in Inceptisol soil. This study aimed to determine the effect of various nitrogen doses on the growth and yield of Welsh onion and to identify the optimal nitrogen dose. The research wa…
White jabon fruit (Anthocephalus cadamba Miq.) was identified as a potential tropical plant for use as a biosorbent because it contained cellulose, the adsorption capacity of which could be enhanced through an activation process. The activation process of the biosorbent in this study was carried out chemically using NaOH and coated with humic acid from peat water, with the aim of increasing the…
ABSTRACT This study aims to empirically analyze the effect of earnings management, inventory intensity, independent commissioners, and company size on tax avoidance. This research is quantitative research. The data source used is secondary data obtained from the company's annual report and supporting sources. The population used in this study are basic materials companies listed on the IDX in …
This research aims to develop Augmented Reality (AR) based learning media in teaching Tor-Tor dance movements to fifth grade students of SDN 29 Payakumbuh. AR technology allows visualization of dance movements in three-dimensional form that is interactive and realistic, so it is expected to improve students' understanding of the basic movements of Tor-Tor dance. The research method used is Rese…
Social deviation is a form of violation of social values and norms that have been established in society, social deviation can be done by anyone and anywhere, including women who are now increasingly becoming perpetrators of social deviation and much of the government's attention compared to men, this is based on the inability of one's personality to absorb good socialization. The existence of …
The implementation of the Minister of Home Affairs Regulation Number 19 of 2016 regarding the regional property needs plan at the Riau Province Regional Secretariat has been executed; however, there are deficiencies in the preparation process. This phenomenon is attributable to the influence of multiple factors on its implementation, resulting in the inability to procure or maintain a regional …
ABSTRACT This study aims to determine the effect of Competence, Self-Efficacy and Internship Experience on Work Readiness in Students of the 2021 Class of the S1 Management Study Program, Riau University. The population in this study were active students of the S1 Management Faculty of Economics & Business, Riau University, class of 2021. Primary data was collected using a questionnaire a…
Drying is a crucial stage inthe processing of Chlorella vulgaris powder. C. vulgaris is a microalgae that is rich in high nutrients. In addition to having high nutrients, this microalgae has good chlorophyll and antioxidant content. This can make the processing of C. vulgaris powder very important. The purpose of this study was to determine the chemical content of C. vulgaris powder using oven …
ABSTRACT The aim of this research is to select and obtain isolates of rhizosphere fungi from mangosteen plants which have high antagonism activity against Phytophthora palmivora, the cause of stem base rot disease of siamese citrus plant and to identify to the genus level. The study was conducted at the Laboratory of Plant Disease, Faculty of Agriculture, University of Riau, Pekanbaru. The res…
ABSTRACT This research aims to examine the influence of green accounting and capital structure on financial performance. The population of this research is energy and mining companies listed on the Indonesian Sharia Stock Index (ISSI) in 2019-2023. The research sample was selected using a purposive sampling method. Data was obtained through data from the official website of the Indonesian Shar…
Critical thinking skills are one of the fundamental skills in learning in the 21st century, which must be developed to increase effectiveness in biology learning. This realm of thinking is an important study that is not only related to the educational aspect but to every aspect of life. However, in reality there are still students who are less involved in learning process activities which cause…
The aim of this research is to analyse the implementation of recruitment process carried out by the political parties Golkar, Perindo, Nasdem and PKS for entrepreneurs who are legislative candidates in Pekanbaru City 2024. The theory used is the implementation of candidate recruitment by political parties according to Pippa Norris (Harris et al., 2006) consisting of the certification stage, nom…
PT. Pangeran Aman Sukses is an inter-provincial transportation service company based in Bukittinggi City, West Sumatra and has been established since 2022. PT. Pangeran Aman Sukses has one of the advantages, namely the lower ticket selling price but the facilities offered are equivalent to its competitors. This advantage needs to be highlighted by applying the right and appropriate marketing co…