Actors MSMEs are faced with various challenges that affect business success, the number of MSMEs and increasingly tight competition encourage MSME actors to be able to compete. Government efforts in providing guidance through incubation programs. However, the large number of MSMEs makes it difficult for the government to make decisions, so a DSS is needed that can provide recommendations in mak…
The use of physiological NaCl solution as a semen diluent was one of the breeding technologies applied in artificial spawning to increase the production value of aquaculture. This study aimed to determine the effect of different concentrations of physiological NaCl solution on the quality of spermatozoa and the hatching rate of koi fish eggs (Cyprinus rubrofuscus). The method used in this resea…
Polymesoda expansa belongs to the class of Bivalves that are found in mangrove forests, their habitat is between mangrove roots on muddy substrates, sandy mud and mangrove litter. This study aims to determine the abundance of P. expansa in Anak Setatah Village, Kepulauan Meranti Regency, examine the size frequency distribution, and investigate the distribution pattern in the area. The study con…
This study aims to determine the effect of using different types of bait on the catch results of umbrella traps (bubu payung) in the Kampar River, Kuok Village. The research was conducted over a period of 10 consecutive days using three types of bait: coconut pulp (ampas kelapa), rice bran (dedak padi), dan oil palm fruit waste (berondolan sawit),. The research method used was a field experime…
Apar Village, located in Pariaman City, is an area with significant mangrove forest potential that plays an important role in maintaining water quality and serving as a natural spawning ground for marine organisms. The presence of phytoplankton in aquatic ecosystems can provide valuable information about water conditions, as phytoplankton are not only primary producers but also act the largest …
This research was conducted with the aim of knowing the structure of the gastropod community in the coastal area of Parupuk Tabing Village, Padang City, West Sumatra. Knowing the structure of the gastropod community in an area has a major impact on the sustainability of the area. This is because the living conditions of gastropods can be an illustration of the water quality in the area. Therefo…
Environmental damage is caused by coastal reclamation to advance the economic sector in Batam City. Reclamation can cause changes in the coastline of Batam City. This study aims to determine the extent of changes in the coastline that occurred in Batam City from 2003-2023 and to understand the pattern of ocean current circulation in Batam City before reclamation in 2003 and after reclamation in…
Catfish is one of the leading freshwater aquaculture commodities in Indonesia that has high economic value and rapid growth. The demand for catfish continues to increase due to its high protein content and low cholesterol levels. However, the intensive cultivation system that is commonly used often causes a decrease in water quality due to the accumulation of leftover feed and metabolites. Decr…
Nutrients contained in liquid tofu waste makes it as one of the alternatives to nutrients in Chlorella sp. media culture. The purpose of this research is to find the effects of the addition of fermented liquid tofu waste to the growth of Chlorella sp. and to find the best dose for Chlorella sp. growth. The research was conducted from August to September of 2023, lasting up to 14 days at the Lab…
one alternative that can be done to increase the growth of catfish, namely by adding herbal feed to the feed givento the fish. thisstudyin April - May2025 which took place in the laboratory of technologyand cultivation of the facultyof fisheries and marine sciences, Riau University, Pekanbaru, Riau. the method used in this study is the experimental method using a completely randomized design (C…
Crayfish are a genus belonging to the freshwater crustacean group that has relatively high market demand. Red tilapia is a popular type of freshwater fish among both households and restaurant businesses due to its affordable price and high protein content. The polyculture system involves cultivating multiple species in the same pond, each with different dietary needs, thereby minimizing competi…
Pustina strain catfish is a fish produced based on a new variety in 2009 with a fast growth strain. One of the leading commodities favored by the public because of its economic value and high protein content. The adhesive of eggs become a factor in failure in cultivation efforts, so the eggs are soaked using an adhesive remover solution, namely a solution of Terminalia cattapa leaf extract, bec…
Mantis shrimp (Squilla mantis) is one of the main catch commodities of fishermen in the waters of Sinaboi. A decline in catch volume is suspected to be related to ectoparasitic infections. This study aims to identify the types of ectoparasites infecting mantis shrimp and to evaluate the level of infection based on the affected body organs and the environmental conditions of the waters. This res…
This research was conducted over a period of 40 days from February to April 2025 at the Aquaculture Technology Laboratory, Faculty of Fisheries and Marine Science, University of Riau. The study aimed to determine the optimal dosage of snail (Achatina fulica) feed for the growth and survival of snakehead fish (Channa striata) fry reared in a recirculating system, as well as to confirm the potent…
This study aims to analyze consumer perceptions of sea fish at Pasar Selasa Panam, Pekanbaru City, focusing on four main indicators, namely quality, availability, price, and nutrition. The research method used is a survey with a case study approach, involving 30 respondents selected by accidental sampling. Data were collected through questionnaires and interviews, then analyzed using a Likert s…
This research was aimed to evaluate the condition of cyber fisheries extension and analyze its influence on the knowledge, attitudes, and skills of fishermen in Tanah Merah Village, Indragiri Hilir Regency, Riau Province. The research was conducted in November 2024 using a survey method with a quantitative approach. Respondents were determined by census technique, involving 46 fishermen. The da…
There are still obstacles faced by teachers in implementing the kurikulum merdeka. The teachers still do not understand the implementation of the kurikulum merdeka, because there is still a lack of socialization or training related to the kurikulum merdeka. However, there are still many other problems that need further research. So this study aims to find out the problems faced by teachers …
This study examines the role of slang in communication and identity formation in the film Hello, Goodbye, and Everything in Between. The data were analyzed using Pavlik’s (2017) theory of word formation and Zhou and Fan's (2013) framework for the functions of slang, with dictionaries employed to determine the meanings of slang expressions. A qualitative descriptive approach was applied, with …
This research focuses on developing interactive PowerPoint materials using the ADDIE model of development. Employing the Research and Development (R&D) method, the research involved first-semester students from the English Study Program at Universitas Riau, Pekanbaru, who were enrolled in a Vocabulary course. Data were collected through a needs analysis questionnaire and expert judgment validat…
This study aimed to investigate the metacognitive awareness listening strategies that students commonly employ in their listening comprehension.. The study used explanatory mixed-method research design. The data were acquired using a questionnaire adapted from Vandergrift (2006) and through an interview. The respondents in this study were fifth-semester students of the English Study Program at …