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…
The sustainability status of capture fisheries is a concept that emphasizes the preservation of fishery resources during the fishing process. This study aims to assess the sustainability status of the fixed trap fishing method based on ecological, economic, technological, institutional, and social aspects in Raja Bejamu Village, Sinaboi District, Rokan Hilir Regency. The research was conducted …
Mangrove snail (Telescopium telescopium) or blongan is an animal from the Potamididae family that lives in brackish water on muddy bottom substrates and is influenced by tides (Radjasa et al., 2011). The basic longline is a passive fishing gear, categorised as environmentally friendly fishing gear because the catch is selective in terms of the size caught, this fishing gear consists of parts of…
This research was conducted in April 2024 in the waters of Permai Village, West Rangsang District, Meranti Regency, Riau Province. The method used in this research is the survey method, by directly observing the dragon traps fishing gear and participating in fishing activities in the morning (08:00-12:00 WIB) and day (12:15-16:15 WIB) of ten days. The aim of this study is to determine the diff…
Operation of trammel net fishing gear is carried out in the morning and night, shrimp and fish are caught which have different behaviors and presences in the waters. The purpose of this research was to determine the differences in trammel net catches in the morning and night and the comparison of catches in terms of weight (kg), individuals (tails), types (species). The method used was the surv…
The Air Bangis fish landing base is the only fish landing base in Sungai Beremas District, Pasan Barat Regency and is classified as a type D fishing port. The imbalance between dense fishing activities and limited available facilities results in suboptimal fishing activities. This research was conducted in May-June 2024 at the UPTD Regional II Air Bangis Fishing Port, West Sumatra Province usin…
This study was conducted for 50 days in April-May 2024. The rearing of giant prawns was carried out in the Laboratory of Aquaculture Technology, Department of Aquaculture, Faculty of Fisheries and Marine, Riau University. The purpose of this study was to determine the effect of different amounts of bioring on water quality and growth rate of giant prawns (Macrobrachium rosenbergii) in the recir…
Chitosan from vannamei shrimp shells has the potential to be a attractant for tilapia (Oreochromis niloticus). Apart from that, chitosan can also improve the growth performance and digestibility of several fish species. This research aims to determine the effect of adding chitosan to feed on the growth rate and digestibility of tilapia. The research method used was a Completely Randomized Desig…
Bantan district is one of the districts on the coast of Bengkalis Regency which has great potential in contributing vaname shrimp production through intensive technology pond-based farming activities. This study aims to assess the sustainability status of vaname shrimp farming in Bantan District. Data processing and analysis methods were performed using Multi-Dimensional Scaling (MDS) which is …
The Fishermen's Exchange Rate (NTN) is one of the indicators used to measure the relative welfare of fishermen in fishing activities. This study aims to analyze the NTN of gill net fishermen in Tanah Merah Village, Tanah Merah District, Indragiri Hilir Regency, Riau Province. This research employs a survey method with census sampling techniques, involving 45 small-scale fishermen using gill net…
This research was carried out from March to April 2024 in Pulau Cawan Village, Mandah District, Indragiri Hilir Regency, Riau Province with the aim of analyzing knowledge, attitudes and communication, participation, the relationship between knowledge, attitudes and communication of the population with population participation in the mangrove rehabilitation program. The method used is a survey m…
The potential for developing marine tourism at Pantai Sikabau,with a focus on integrating with the local salted fish processing industry, highlights the importance of synergy between these two sectors. Jorong Sikabau is noted for its stunning natural beauty and maritime traditions, including the traditional salted fish processing that has been passed down through generations. However, the salte…
Striped catfish (Pangasianodon hypophthalmus) is a consumption fish that has high economic value and is popular with the public. This study aims to obtain the right dosage of fementation moringa leaves in feed on the growth and survival of striped catfish reared in the dark for 24 hours using an aquaponic recirculation system. This research was conducted from December to February 2024 …
This research was conducted in January 2024 on Kasiak Island, Pariaman City, West Sumatra Province. The aim of this research is to determine the nematocytes found in the body tissue of the Acropora formosa coral. The method used in this research is a survey method with direct observation and sampling in the field. Determination of the type of nematocytes from A. formosa coral was carried out us…
This research was conducted in January 2024 in the mangrove area of Apar Village, Pariaman City, West Sumatra Province. The aim of this research is to determine the condition of density and carbon stock and to determine the relationship between the diameter of mangrove trees of the Rhizophora mucronata, Sonneratia caseolaris and Sonneratia alba types with carbon stock mangrove. The method used …
Various types of anthropogenic activities in and around the 12,400 ha Koto Panjang Reservoir will affect phytoplankton organisms that act as primary producers and ecological indicators. This study aims to determine the types and abundance of phytoplankton and the concentration of chlorophyll-a in the Koto Panjang Reservoir. Phytoplankton samples were collected using bongo nets at 4 selected sta…