Marine tourism involves the organization of tourism and water sports activities supported by professionally managed facilities and services for commercial purposes, particularly in coastal areas such as beaches. Beaches are a popular tourist destination due to their diverse landscapes and atmospheres, based on the principles of exploration, conservation, and integrated management. The objective…
This study was conducted in October 2025, with sample collection carried out in November 2025 in the coastal waters of Sinaboi, Rokan Hilir Regency. The objectives of this study were to determine the total oil content in water and sediment, analyze differences among sampling stations, and examine the relationship between the two matrices. A survey method was employed using a purposive sampling …
Salmonella typhi is a Gram-negative bacterium that causes typhoid fever and has the potential to spread through port areas. This study aims to isolate and identify S. typhi from the waters of the Dumai Port Passenger Terminal and the Sekupang Batam International Port based on morphological characteristics, biochemical tests, and 16S rRNA gene analysis. This study was conducted from October to D…
Tanjung Kuras Village is located in Siak Regency, Riau Province. Potential risks of oil spills can come from industrial areas, domestic waste, and ships passing through the area. Long-term oil accumulation can reduce dissolved oxygen levels and damage the food chain in the ecosystem. This study aims to determine the total oil content in water and sediment, then analyze the differences in total …
The objective of this study is to identify the species and abundance in the water, sediment, and the lokan clam (G. erosa) to determine differences in abundance among the water, sediment, and the lokan clam (G. erosa) and to examine the relationship between abundance in the water and sediment and the abundance of the lokan clam (G. erosa). This study was conducted from October to December 2025 …
Microplastics are plastic particles smaller than 5 mm that are difficult to degrade and tend to persist for long periods of time. This study aims to analyze the types and abundance of microplastics, as well as differences in abundance and their relationships in water, sediment, and blood clams (Anadara granosa). This study was conducted in the waters off Sinaboi Beach, Rokan Hilir Regency, and …
Mangrove ecosystems represent unique habitats with extreme environmental conditions that support the presence of microorganisms with diverse metabolic capabilities, including antibiotic-producing bacteria. One mangrove plant with considerable potential as a source of such bacteria is nipa palm (Nypa fruticans), which is widely distributed along the coastal areas of Indonesia and has been tradit…
The research was conducted from August to October 2025 at the Laboratory of the Provincial Fisheries Product Qualit Testing and Application Unit (UPTD) of West Sumatra Province, the Laboratory of PT. Saraswati Indo Genetech, Integrated Research Laboratory and Laboratory of the Faculty of Fisheries and Marine Sciences at the University of Riau The aim of this research is to determine the chemic…
The development of fish milk analog based on malong fish protein hydrolysate not only provides a source of protein for the community but also optimises the utilisation of malong fish catches. This study aims to produce malong fish protein hydrolysate, formulate fish milk analog based on the hydrolysate, and determine the characteristics of the product. Malong fish protein hydrolysate was p…
The objectives of this study were to analyze mangrove community structure, estimate carbon storage and CO₂ sequestration potential, assess the economic value of CO₂ sequestration, and formulate management strategies for mangrove forests in the coastal area of Bangko Subdistrict, Rokan Hilir Regency. This research was conducted in October 2024 in the coastal area of Bangko Subdistrict, …
Red seaweed (Rhodophyta) such as Eucheuma cottonii and Eucheuma spinosum are the main sources of carrageenan, which can be used in the pharmaceutical, cosmetic and food industries. This study aims to obtain carrageenan, determine its physical and chemical properties, determine the physical characteristics of edible films and the best combination of carrageenan.The research method used an experi…
Bandar Laksamana waters in Bengkalis Regency is a strategic area with high anthropogenic activities, including marine transportation routes, shrimp farming, and settlements, which have the potential to cause oil pollution and affect marine life, particularly diatoms. This study aims to determine total oil content, analyze differences in oil content and diatom abundance between stations, and ana…
This study was conducted from May to July 2025 at Pandaratan Beach, Pondok Batu Subdistrict, Central Tapanuli Regency, North Sumatra Province. The objectives of this research were to identify ecotourism potentials, examine stakeholder roles, and formulate an ecotourism development strategy for Pandaratan Beach. A survey method was employed, utilizing both primary and secondary data collected di…
This study aimed to analyze the types and abundance of microplastics in seawater and sediments across different sampling stations, as well as the variation of microplastic abundance with sediment depth, in the coastal waters of Tanah Merah Village, Meranti Islands Regency, Indonesia. Samples were collected from three representative sites, namely a residential area, a fishing port, and a mangrov…
This study aims to analyze the potential and formulate strategies for the sustainable development of marine ecotourism in Lapin Beach to improve the welfare of local communities. The research was conducted from December 2024 to February 2025. Data were collected through observation, interviews, questionnaires, and water quality measurements. The analysis used is coastal tourism suitability inde…
This study aims to analyze the relationship between physicochemical water parameters and phytoplankton abundance in the Mesjid River Estuary, Dumai. Sampling was conducted in June 2025 at three stations: Mangrove Area (I), River Mouth (II), and Bangsal Aceh (III). Physicochemical parameters (temperature, current velocity, brightness, salinity, pH, DO, nitrate, phosphate) were measured in-situ a…
This study aims to analyze mangrove species, density and importance value index. The method used is a survey method with the determination of research stations were determined by purposive sampling, where the research location is divided into 3 stations based on criteria, namely Station 1 mangrove forest located in Damai Hamlet with relatively good mangrove conditions, station 2 mangrove forest…
Mangroves play an important role in maintaining coastal stability and supporting ecological functions in coastal waters. This study aimed to analyze differences in the growth of Rhizophora apiculata and Rhizophora mucronata under different sediment types at the Marine Station of Universitas Riau, Dumai. Observations were conducted for 10 weeks at two stations, namely sandy mud and mud sediments…
This study was conducted from March to April 2025 in the waters of Lalang Strait, Mengkapan Village, Siak Regency, Riau. The objectives were to measure the Total Organic Matter (TOM), Biochemical Oxygen Demand (BOD₅), and Escherichia coli bacterial density, determine water quality conditions based on these three parameters, and analyze the differences in TOM, BOD₅, and E. coli values during…
This study aims to examine the concentration of total suspended solids, total organic matter and phytoplankton abundance in Bayur Bay Waters, Padang City, West Sumatra. Sampling was conducted in April 2025 through a survey method to determine research stations by purposive sampling. To see the relationship between total suspended solids and total organic matter to phytoplankton abundance, a mul…