ABSTRACT This research was conducted in April 2023, the research location was in the waters of South Coastal Beach, West Sumatera Province. The research objectives were to determine the sediment organic matter content and analyze the sediment type of each stasion. The method used is a survey method with sampling at 4 stations and each station is divided into three sampling points with a distan…
ABSTRACT Research was carried out in may 2023 aimed to map the distribution of coral reefs, then test the accuracy of the map result and determine the condition of coral reef cover on Satan Island. The methods used in this research were remote sensing and field survey methods where the remote sensing method used Sentinel-2 satellite imagery, while the field survey method to validate the dis…
ABSTRACT This research was carried out in February-March 2023 in the West Sumatra waters. It aimed to determine the variability of sea surface temperature, rainfall intensity and wind direction and speed in the West Sumatra waters. Sea surface temperatures were taken from three stations, namely: in the coastal waters of Pariaman City, in the coastal waters of Padang-Pariaman Regency, and in th…
ABSTRACT This study aims to determine the content of microplastics in water and sediments found in the waters of Tuapejat Village, Sipora Utara District, Mentawai Islands Regency. This research was conducted in August 2022 to February 2023. The number of research stations is 3 stations where each station consists of 3 sampling points. Station locations consist of Fish Landing Places a Fish …
Abstract Teluk Pambang Village is one of the villages on Bengkalis Island in Riau Province. This area is known for having the largest shrimp farms on Bengkalis Island, specifically along the banks of the Kembung River. Various diseases have been found in vannamei shrimp in Bengkalis Regency, such as bacteria and parasites. However, no research has been conducted on fungal contamination in this…
ABSTRACT Marine debris is one of the complex problems faced by an area close to the beach or coast, one of which is the ecosystem area in Bandar Bakau, Dumai City which is one of the mangrove tourism areas in Riau Province. Marine debris is a direct threat to marine biota, marine habitats, and human health resulting in serious socioeconomic losses. This research was conducted in September …
Yellowfin tuna (Thunnus albacares) is a large pelagic fish that inhabits the surface waters up to the upper boundary of the thermocline layer in the ocean. This species holds significant economic value in Indonesia, especially in the waters of West Sumatra. The identification of precise fishing grounds is crucial for fishermen to enhance the efficiency and effectiveness of their fishing act…
Abstract The study was conducted in October 2022 in the mangrove coastal waters of Sei Nagalawan Village, Serdang Bedagai, North Sumatra. The method used in this study was a survey method. This study aims to analyzing sediment fractions, analyzing the content of sedimentary organic matter analyzing the structure of macrozoobentos communities, and analyzing the relationship of sedimentary organ…
ABSTRACT Gastropod community structure is a concept or study that studies structure or the composition of species in an ecosystem. The structure of the gastropod community is influenced by change environmental factors such as temperature, salinity, substrate type and organic matter content. Rupat District Geographically, it is located in a group of islands that directly borders the Malacca…
ABSTRACT The study was conducted in February 2023. The location of the research is the coastal waters of Painan, Jurai IV district, Pesisir Selatan, West Sumatra Province. The purpose of this research is to identify the type and analyze the abundance of microplastics in sediments and the differences between stations as well as between two different depths. The method used is the survey method …
ABSTRACT This research was conducted in March 2023 on Sironjong Gadang Island, West Sumatra. The purpose of the study was to analyze the relationship between coral reef conditions and megabenthos abundance in the Sironjong Gadang Island area of West Sumatra. The method used is the survey method, with data collection done by determining the research station, which is divided into 3 stations…
Abstract Abrasion is a common problem in coastal areas. This is due to natural factors that influence the phenomenon of abrasion in a coastal area, including the hydrooceanographic processes that take place in the sea. Pasir Jambak Beach is one of the beaches in Padang city that is experiencing worrying abrasion. Therefore, it is necessary to conduct research on the analysis of physical hy…
ABSTRACT This research was carried out in February 2023, the research location was the Bungus tourist beach area, Padang City, West Sumatra Province. The aim of the research is to determine the type, abundance and mass of rubbish at Nirwana Beach, Pasir Putih Beach and Carolina Beach. The method used is a survey method, with data collection at three stations. Samples/data were carried out at t…
ABSTRACT This research was carried out in February 2023, which is located in the coastal area between Batang Anai Estuary and Batang Mangur Estuary, West Sumatra Province. The aim of the research is to determine the rate of change of the coastline in the coastal area, the influence of sedimentation processes, currents and waves on changes in the coastline in the coastal area between Batang Ana…
Abstract Vaname shrimp is one of the shrimps that are being cultivated in Indonesia because it has superior quality compared to other types of shrimp. Cultivation activities cannot be separated from disease attacks that attack cultured commodities. One of the diseases that attack vaname shrimp is Acute Hepatopancreatic Necrosis Disease (AHPND). The disease is caused by Vibrio parahaemolyticus …
ABSTRACT This research was conducted in March 2023 which was located in Koneng Beach, Dumai City. The purpose of this study was to determine the organic matter content and abundance of epipelic diatoms vertically and to analyze the relationship between the organic matter content in sediments and the abundance of epipelic diatoms vertically in the intertidal area of Dumai City Waters. The method…
ABSTRAK This survey was conducted from June to August 2022, the survey site is in the Bengkalis Strait, Bengkalis Regency, Riau Province. The aim of the survey is to determine current patterns and sea level height during the highest tides and lowest low tides each month during the eastern monsoon in the waters of the Bengkalis Strait. The method used is a quantitative descriptive method. A sur…
ABSTRACT This research was conducted from November to December 2022 at the Marine Microbiology Laboratory, Department of Marine Science, Faculty of Fisheries and Marine Science, University of Riau. The purpose of this study was to determine the effect of different types of media on the growth of Nannochloropsis sp. microalgae cells. laboratory scale and to see the best medium for the growt…
Abstract Panjang lake is an oxbow lake located in Siak Hulu, Kampar Regency, Riau. Panjang Lake is inhabited by several types of consumption fish whose economic value is quite standard, one of which is Thynnichthys thynnoides which is commonly in Panjang Lake. Fisheries activities in Panjang Lake affect the stock of motan fish because of the infrequent flood season and community activities to …
ABSTRACT The waters of West Sumatra to the west are directly adjacent to the Indian Ocean resulting in the potential for high wave events to occur quite frequently which has an impact on community activities and also the construction of coastal buildings. Therefore it is necessary to study the wave height. The research was carried out in February 2023 with the research location being carried o…