The study was aimed to analyze the effect of trust, commitment, information technology mediated by relationship quality on the performance of the white shrimp supply chain in Dumai City. This research was conducted in April 2024. The variables used in this study were trust, commitment and information technology as independent variables, supply chain performance as the dependent variable and rel…
Snakehead fish (Channa micropeltes) is a high-protein fish species that has not been optimally utilized in developing processed fish products. One approach to utilizing snakehead fish is processing it into flour. Product diversification can be achieved by incorporating snakehead flour into brownies. Brownies often have unbalanced nutritional content, resulting in low nutritional value for the b…
Purse seine is one of the primary fishing gears used at the Belawan Ocean Fishery Port, North Sumatra. However, the composition and quantity of the main catch and by-catch from purse seine operations in the Belawan waters are not yet detailed. This study aims to identify the composition of purse seine catches based on the categories of main catch and by-catch. The research was conducted from Ap…
Coral cover data were collected using UPT (Underwater Photo Transect) method, and megabenthos data were collected using BBT (Benthos Belt Transect) method. Water quality parameters observed in this study were oceanographic parameters including temperature, current speed, salinity and brightness. Observations were made at 3 stations at a depth of 5 meters and 7 meters with a transect length of 7…
This research was conducted in April-June 2024 at the Fish Nutrition Laboratory Faculty of Fisheries and Marine Sciences, Riau University. The purpose of this study is to determine the optimal amount of indigofera leaf meal that is fermented using EM4 (Effective Microorganism-4) as a substitute for fishmeal in feed, to increase feed efficiency and the growth of Common carp fingerlings. This res…
The water discharge in the recirculation system is thought to be the cause of high dissolved oxygen in the waters. This research aims to determine the effect of water discharge in the recirculation system on the survival and growth of giant prawns. The research method used was a Completely Randomized Design (CRD) with 4 treatments and 3 replications. The prawns were kept in containers with wate…
This research aims to determine the effect of different stocking densities on the growth and survival of Giant prawns (Macrobrachium rosenbergii) which are reared using a biofilter recirculation system. This research was conducted from June to July 2024 at the Cultivation Technology Laboratory, Faculty of Fisheries and Marine Affairs, University of Riau. This research used a one-factor Complete…
Income is a very important element in a trading business, because in doing a business of course you want to know the value or amount of income obtained during the business. The source of income for fishermen is income from working as fishermen. This study was conducted with the aim of analyzing the level of income of fishermen and analyzing strategies for increasing fishermen's income in Purnam…
The case study of the building in this study is a building with an initial design of 7 floors but the construction has only been completed 4 floors, so in evaluating this building a new building approach and existing buildings are used using linear analysis of spectrum response based on SNI 1726-2019 and Non-Linear Pushover analysis based on ASCE 41-17, so that in the analysis 3 structural …
In accordance with Minister of Education and Culture Regulation No. 55 of 2013 where it is stated that policies related to UKT will be provided to universities taking into account funds adjusted to the student's economic situation. Payments using a single tuition fee (UKT) system will be divided by several groups based on the level and economic situation of the student.For students who object t…
The Siak River in Riau Province is known to have been contaminated with microplastics various anthropogenic activities and can accumulate in fish biota such as R. caudimaculata as a fish commodity consumed by the community. This study aims to determine the type and abundance of microplastic. This study was conducted from April – Juni 2024. There were 3 stations in the karya IndahVillage, in t…
Cookies are one type of biscuit made from soft dough, high fat content, relatively crispy when broken and the cross section of the cut has a solid texture. This study aims to determine the effect of fortification of rebon shrimp flour on the quality of sago cookies and to determine the best concentration level of rebon shrimp flour as a fortification ingredient in the quality of sago cookies. T…
Gulamah fish (Johnius carouna) is one type of fish that is in great demand by the public, because it has soft and thick meat and an affordable price. The nutritional content of gulamah fish is not much different from other types of fish so it needs to be diversified. Stick is one of the crunchy-textured snacks favored by children and adults with the basic ingredients of wheat flour and tapioca …
Coral cover data were collected using UPT (Underwater Photo Transect) method, and megabenthos data were collected using BBT (Benthos Belt Transect) method. Water quality parameters observed in this study were oceanographic parameters including temperature, current speed, salinity and brightness. Observations were made at 3 stations at a depth of 5 meters and 7 meters with a transect length of 7…
This research was conducted in October-December 2023 at the Marine Microbiology Laboratory, Faculty of Fisheries and Marine Sciences, University of Riau. The purpose of this study was to analyze the effect of adding guava leaves (P. guajava) on the hematology and survival rate of carp (C. carpio) kept in brackish water and to determine the effect on the hematology of carp (C. carpio) infected w…
The study aimed to analyze the relationship between the concentration of nitrate, phosphate, silicate, and organic matter with diatom abundance in the waters of Pakning River, Bengkalis Regency, Riau Province. Sampling was conducted from March to April 2024 at three purposively selected stations, namely Pertamina Refinery, Tanjung Punak Village, and Roro Port. The results showed that nitrate co…
This research was conducted from April to May 2024 at Carolina Beach, Bungus District, West Sumatra. The objectives of this study are to identify the beach ecotourism objects and attractions at Carolina Beach, determine the factors influencing the development of ecotourism at Carolina Beach, and design strategies for developing the ecotourism potential at Carolina Beach. Carolina Beach has the …
This research was conducted in January-February 2024 in Concong Dalam Village, Concong District, Indragiri Hilir Regency, Riau Province. This study aims to determine the total sediment organic matter content, types of Uca spp. crabs, abundance of Uca spp. crabs, and the relationship between total sediment organic matter content and abundance of Uca spp. crabs. The method used in this research i…
One of the mangrove forest areas in Dumai City is the Muara Sungai Masjid Mangrove Forest Area located in Purnama Dumai District, precisely in the Marine Station mangrove area and the Bangsal Aceh area which has a fairly large area and great potential as a carbon absorber from the atmosphere, so the existence of mangrove forests needs to be maintained to maintain carbon stability in the atmosph…
This study examines the behavioral response of gourami fish (Osphronemus goramy) to electric current using a homemade electric fishing device. The experiment was conducted on 20 juvenile gourami fish measuring 4-5.5 cm in a laboratory setting. The electrofishing process utilized two iron rods as cathode and anode with a 12-volt power supply. Results showed that the average time required for eac…