The Kampar River has been contaminated by microplastics due to various anthropogenic activities and these can accumulate in fish biota such as Rasbora cephalotaenia and Thynnichthys thynoides, which are fish commodities consumed by the community. This study aims to determine the types and abundance of microplastics in the river. The study was conducted in May 2025 at three stations: Teluk Kanid…
This study aims to determine the types and density of sea cucumbers in the waters of Pengudang Village, Bintan Regency, Riau Islands Province, and to determine the water quality in the sea cucumber habitat. This study was conducted in September 2024. The determination of the research station used the purposive sampling method, namely by considering various environmental conditions. At the resea…
This study aimed to analyze the Correlation between sediment organic matter content and bivalve density in the Pengambang River, Rumbai Pesisir, Pekanbaru. The research was conducted from April to June 2025 at five purposively sampled stations. Observed parameters included water quality (temperature, pH, DO, BOD , current velocity), sediment fractions, organic matter content, and bivalve specie…
Estimation of Carbon Sequestration in the Mangrove Ecosystem of Pasar Pedati Village, Central Bengkulu Regency, Bengkulu Province, Mangrove ecosystems play a crucial role in climate change mitigation through carbon storage and sequestration. This research was conducted in Pasar Pedati Village, Central Bengkulu Regency, to estimate carbon stocks, CO₂ uptake, and analyze the relationship betwee…
Seagrass ecosystem in the Setokok Island is inhabited by numerous aquatic organisms, including gastropods.Research onthe species anddensityof gastropods in the seagrass ecosystem of Setokok Island was conducted from July to August 2025. A research aims to determine the species and density of gastropods in the seagrass ecosystem of Setokok Island, Bulang District, Batam City, Riau Islands Provin…
Background: Bubu is widely used by the community because this tool is very practical and saves a lot of time when operating so that they can do other activities such as farming. Objective: The purpose of this study was to determine the effect of bait on catches using bubu fishing gear, both in terms of the number and weight of fish in the Mandau River, Pinggir District. Methodology: The method …
Characteristics of Habitat and Abundance of Kijing Clams (Unio pictorum) in Pengambang River, Rumbai Pesisir, Pekanbaru. This study aims to analyze the habitat characteristics and abundance of the freshwater mussel Unio pictorum in the Pengambang River, Rumbai Pesisir District, Pekanbaru City. The research was conducted from April to June 2025 using a survey method with 1 × 1 m quadrat plots a…
Barbonymus schwanenfeldii is a freshwater fish species inhabiting the Kampar Kiri River in Desa Mentulik. This study aims to investigate the stomach contents of this species and examine their relationship with fish size, sex, and environmental conditions. The research was conducted in October 2024, with fish samples collected from local fishermen over four sampling sessions within one month. Th…
The carrying capacity of waters is the ability of aquatic resources to support the life of organisms in these waters. Carrying capacity is determined by the ability of the environment to support ecosystems, primary productivity and fish species in these waters. This study aims to determine the carrying capacity of natural fisheries in Pinang Luar Lake. One of the approaches used in research at …
Pinang Luar Lake is surrounded by oil palm plantations and the remains of fertilizer applied in the plantation may be flown to the lake during rainy season and thus increasing the trophic state. A study aims to determine trophic state based on the type of periphyton was conducted in June–July 2024. Three observation stations were determined, namely around the inlet, in the middle, and at the …
Koto Panjang Reservoir is one of the reservoirs built by damming the flow of the Kampar Kanan and Batang Mahat Rivers, which stretches over 12,400 ha. A lot of nekton biodiversity species of nekton that found in this aquatic, in riverstream and in reservoir. One of nekton that found in inlet Koto Panjang reservoir is Sumatran River Sprat fish. This study aims to determine the distribution and a…
This research was conducted in September 2024 in the coastal waters of Pengudang Village. This research aimed to identify the species composition and analyze the abundance of periphyton attached to seagrasses at three different observation stations in the coastal waters of Pengudang, Bintan, Riau Islands. Periphyton, a complex community of microorganisms, plays a vital role in food webs and …
Periphyton are organisms that live in the lake waters which are attached to substrates, both natural substrates and artificial substrates. In the waters, Periphyton as the primary producer in the food web. This research aims to determine the natural media (wood, bamboo and palm stem) as periphyton substrate. This research used fish houses as media alternative to collect the fish and determine t…
Tilapia (Oreochromis niloticus) is a group of subtropical to tropical fish which is an omnivorous fish. The quality of life of tilapia is reflected in the growth pattern of otoliths, the cause of tilapia experiencing stress during its life can be investigated through the growth ring pattern in the otolith. This study aims to determine the growth ring pattern in the otolith of tilapia (Oreochrom…
This study assesses the pollution load capacity of the Tapung Kiri River, Kampar Regency, Riau Province, Indonesia, using the QUAL2Kw model to evaluate its ability to assimilate organic and inorganic pollutants under anthropogenic pressures. The study was conducted along a 29 km river stretch from Petapahan village (upstream) to Bencah Kelubi (downstream). Field data collected from three sampli…
Lemna perpusilla is an aquatic plant with important ecological functions, particularly as anatural feed sourcedueto its high protein content. This studyaimed to determine the optimal concentration of palm oil mill effluent (POME) as a growth medium for Lemna perpusilla. The research was conducted from October to November 2023 at the Algae Production House 3, Sei Galuh Palm Oil Mill, Kampar. A C…
Liquid waste from palm oil mills has a fairly high nutrient content and can be used as organic fertilizer for the growth of Lemna perpusilla. Lemna perpusilla known as aquatic weed with its proximate content can be considered as bioethanol. To determine the effect of utilizing palm oil mill liquid waste on the proximate and bioethanol content of Lemna perpusilla, a study was conducted from Febr…
Lubuk Larangan is a local wisdom that serves as an effort to conserve fish resources and aquatic ecosystems. Management of natural resources and the environment based on local wisdom such as Lubuk Larangan Padang Sawah Village. This research aims to determine the existing conditions and the condition of the Subayang River in Padang Sawah Village. This research was conducted in May-June 2024 in …
Phytohormone 6-Benzyl Amino Purine (BAP) is a plant hormone that can support, inhibit, and alter the physiological processes of plants including microalgae. 6-Benzyl Amino Purine (BAP) has a high nitrogen content so that it can increase cell division in microalgae. The purpose of this study was to determine the effect of phytohormone 6-Benzyl Amino Purine (BAP) on the density and biomass of Chl…
Liquid waste from oil palm mills has a high nutrient content and can be used for plant growth, one of which is the Wolffia sp. The purpose of this study is to determine the best concentration of oil palm liquid waste as a medium for the growth of Wolffia sp. The research was conducted from February-March 2024 which islocated atthealgaeproduction house3 PKSSeiGaluh Kampar. Thedesign carried out …