Linear alkylbenzene sulfonate (LAS) is included in the group of anionic surfactants. LAS only decomposes by 50% and takes 9 days. LAS is a detergent originating from industrial and petroleum waste. LAS compounds can deteriorate the quality of seawater by reducing the dissolved oxygen in water quality. One method that can be used to control LAS pollutants is by using phytoremediation methods. Ph…
Coastal areas have the potential to be used for various industrial, service and domestic activities that result in pollution of the aquatic environment. To clean various kinds of effects, detergents have been used as cleaners that contain active ingredients, dispersants as compounds Linear Alkylbenzene Sulfonate (LAS) that is one of the largest organic wastes that can cause water pollution that…
This research was conducted from November 2023 to February 2024 in Bukit Batu Village, Bengkalis District. Bukit Batu Village is a tourist village in Bukit Batu, Bengkalis District. This village has huge tourism potential, with mangrove ecotourism as one of the highlights of tourism. Bukit Batu Village's mangrove area is a tourist attraction that is directly managed by the Bukit Batu Village go…
Slipper lobster live in sandy and muddy bottom waters at depths of 10-200 meters, and are found throughout Indonesian waters. This shrimp has the largest proportion of carapace parts, approximately 50%, which is a source of waste, but can be utilized as functional food in the form of chitin and chitosan. One of the qualities of chitin and chitosan depends on the demineralization process. The po…
This research was carried out in June 2023, the research location was in the coast of Kampung Beran, Tanjung Harapan, Meranti Islands Regency. This research is to determine the type and abundance of beach litter, analyze it differences in the type and abundance of beach waste between stations, as well as analyzing differences in the type and abundance of beach litter between sampling times. Bea…
This research was conducted from January 2023 to May 2023 on Kasiak Island, North Pariaman, Pariaman City, West Sumatra Province. The purpose of this research is to determine the suitability of coastal tourism on Kasiak Island Beach,. The method used for determining the research stations was simple random sampling. The research stations were selected based on the parameter data for water qualit…
This survey was conducted in February - March 2023 in the waters of Jago-jago Village, Central Tapanuli Regency. The aim of this study was to determine the level of seagrass density and macrozoobenthos abundance, and the relationship between seagrass density and macrozoobenthos abundance. This research was carried out according to a research method in which the sampling station was determined i…
This study was conducted in March 2023 in the waters of Bengkalis, Bengkalis Regency, Riau Province. This research aims to determine the conditions and changes in currents, tides and waves during the 10-year period 2013-2022. As well as secondary data coming from Marine Copernicus for current and wave data processed using the application OpenGradsthe end result being a map from which the tides …
ABSTRACT Penelitian ini telah dilakukan pada Bulan Juni 2022 dengan tujuan untuk mengetahui keragaman dan kelimpahan jenis bivalvia sekaligus mengetahui hubungan kandungan bahan organik total sedimen dengan kelimpahan bivalvia yang terdapat di zona intertidal perairan pantai Kecamatan Bandar Laksamana. Penelitian ini dilakukan dengan menggunakan metode survey, dimana setiap stasiun terdiri ata…
ABSTRACT The study was conducted in December 2022 in the Dumai River Estuary and Dumai City Mesjid River Estuary, Riau Province. The purpose of this study is to determine the amount and type of garbage that enters the sea through the estuary of the Dumai River and the Mesjid River, the difference between the amount and type of waste, and to know the difference between days from the garbage …
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 …