Struktur Komunitas Gastropoda Di Ekosistem Mangrove Kecamatan Bantan Kabupat…

ABSTRACT This study was conducted in March-April 2023 at the Mangrove Ecosystem, Bantan District, Bengkalis Regency, Riau Province. The purpose of this study is to determine the structure of gastropod communities which include types, abundances, relative abundance, diversity, uniformity, dominance and distribution patterns of gastropods at the study site. This study was conducted using survey …

Sebaran Bakteri Escherichia Coli Dan Hubungannya Dengan Arus Laut Di Perairan…

ABSTRACT The waters of North Rupat are affected by various anthropogenic activities in coastal areas such as port activities, settlements and coastal areas which can have an impact on the water quality. Microbiological water quality can be determinated and indicated by the presence of Escherichia coli which is a dangerous pathogenic bacteria. Distribution of Escherichia coli in the waters …

Reduksi Polutan Petroleum Hidrokarbon Menggunakan Eceng Gondok (Eichornia Cra…

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Pemetaan Kualitas Perairan Laut Di Perairan Selat Rupat Dengan Pemodelan Hidr…

Abstract This research aims to analyze water quality and determine the status of quality standards in the waters of Rupat Strait. The method used in the research is comparative descriptive analysis and literature analysis. Hydrodynamic and water quality model with MIKE 21 Hydrodynamics and ECO Lab modules were used to examine the distribution of water quality parameters in the waters of Ru…

Isolasi Dan Identifikasi Bakteri Vibrio Sp. Pada Udang Vaname (Litopenaeus Va…

ABSTRACT Vaname shrimp is the most popular shrimp among shrimp ponds throughout Indonesia. Vannamei shrimp has the advantage of being a high selling price and easy to cultivate, however vannamei shrimp farmers often find vibriosis disease in shrimp caused by Vibrio sp. this is a phenomenon that can be detrimental to vannamei shrimp farmers, both those using intensive and traditional pond sy…

Isolasi Bakteri Asam Laktat Dari Udang Vaname (Litopenaeus Vannamei) Dan Anta…

ABSTRACT Vaname shrimp is one of Indonesia's leading export shrimp species that is widely cultivated. The main problem that often occurs in vaname shrimp pond cultivation is the attack of shrimp diseases caused by bacteria or viruses. This study aims to isolate and identify lactic acid bacteria (LAB) from vaname shrimp (L. vannamei) and test their antagonism against pathogenic bacteria. Th…

Isolasi Bakteri Asam Laktat Dari Udang Vaname (Litopenaeus Vannamei) Dan Anta…

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1904156036

Jenis Dan Kelimpahan Sampah Laut Di Ekosistem Terumbu Karang, Pulau Setan, Su…

TYPES AND ABUNDANCE OF MARINE DEBRIS IN THE CORAL REEF ECOSYSTEM, PULAU SETAN, WEST SUMATRA JENIS DAN KELIMPAHAN SAMPAH LAUT DI EKOSISTEM TERUMBU KARANG, PULAU SETAN, SUMATERA BARAT Elfind Laoli*1, Bintal Amin1, Syahril Nedi1 Jurusan Ilmu Kelautan, Fakultas Perikanan dan Kelautan, Universitas Riau, Pekanbaru, Indonesia E-mail: [email protected] ABSTRACT This research …

Fitoremediasi Polutan Petroleum Hidrokarbon Menggunakan Azolla (Azolla Microp…

BSTRACT This research will be conducted in April 2023. The experiment was conducted at the Lagio Field Laboratory, Jln. Srikandi, Pekanbaru. Total Petroleum Hydrocarbon (TPH) analysis was conducted at CHEMSLAB Laboratory, Bandung with analysis methods using ASTM 7066-04 (FTIR)27 edition 2017. The purpose of this study was to determine the phytoremediation of petroleum hydrocarbon pollutan…

Keanekaragaman Dan Pola Distribusi Gastropoda (Moluska) Di Kawasan Mangrove P…

DIVERSITY AND DISTRIBUTION PATTERNS OF GASTROPODA (MOLLUSCA) IN THE MANGROVE AREA OF TIRAM BEACH, PADANG PARIAMAN REGENCY, WEST SUMATRA PROVINCE By : Remi Fiter1), Syafruddin Nasution *2), Afrizal Tanjung 2) Faculty Fisheries and Marine Sciences, University of Riau Jl. Bina Widya KM 12.5 Simpang Baru, Tampan, Pekanbaru, Indonesia, 28293 Email: [email protected] ABSTRACT …

Struktur Komunitas Makrozoobentos Sebagai Indikator Kualitas Perairan Di Zona…

ABSTRACT Community structure refers to the arrangement and composition of species in a natural community, as well as their abundance. It is a concept in ecology that studies how different species interact and coexist within a given ecosystem. Ecologists use various indices to assess community structure, including diversity index, evenness index, and dominance index. One useful indicator fo…

Hubungan Kandungan Nitrat, Fosfat, Dan Silikat Pada Sedimen Permukaan Dengan …

ABSTRACT The study was conducted in March 2023 at four stations: Station 1 (PAB), Station 2 (Muara Sungai Mesjid), Station 3 (Bangsal Aceh), and Station 4 (Pantai Koneng). The aim of the study was to analyze the levels of nitrate, phosphate, and silicate, identify species and abundance of epipelagic diatoms, and evaluate the relationship between nitrate, phosphate, and silicate levels and epip…

Kajian Spasial Perubahan Tutupan Lahan Mangrove Di Kecamatan Bantan, Bengkalis

ABSTRACT This study was conducted in March-April 2023 in Bantan District, Bengkalis Regency, Riau Province. The purpose of this study was to analyze changes in land cover area of mangrove and mangrove vegetation index in Bantan District, Bengkalis Regency, Riau Province. The method used in this study is a survey method with interpretation of Landsat based on images taken from different times a…

Analisis Hubungan Kandungan Bahan Organik Dan Fraksi Sedimen Dengan Kelimpaha…

ABSTRACT Sungai Selari Village is an area in Riau Province that has quite dense water activities, one of which is port activity where many crossing ships lean and also the transportation route for fishermen looking for fish. This activity can cause water pollution which leads to silting of waters called sedimentation. The activity of sediment input into a body of water can cause a change i…

Pengaruh Petroleum Hidrokarbon Terhadap Klorofil Daun Eichhornia Crassipes Da…

ABSTRACT Coastal areas are very prone to pollution, one of the causes of damage to coastal ecosystems is oil spills. Various control efforts have been made, chemical control of water pollution has the potential to leave residues for ecosystems. To avoid this, efforts to control environmentally friendly pollutants are needed by utilizing aquatic plants, namely phytoremediation. Eichhornia c…

Analisis Kandungan Bahan Organik Sedimen Di Perairan Pantai Padang Dan Pariam…

Abstract This research was conducted in August 2022 in the coastal waters of Padang and Pariaman, West Sumatera Province and continued with an analysis of the organic matter content of the sediments at the Marine Chemistry Laboratory, Department of Marine Science, Faculty of Fisheries and Marine, University of Riau. The purpose of this study was to analyze the content of organic sediment …

Analisis Kelimpahan Sampah Pantai Di Kawasan Ekosistem Mangrove Kecamatan D…

Abstract Beach litter are all materials in the form of solids that are not found naturally (a product of human activities) in water areas (oceans, oceans, beaches) and can pose a direct threat to the condition and productivity of water areas and require certain specific actions to prevent and minimize negative effects. This research was conducted in March 2023. Field data collection was ca…

Jenis Dan Kelimpahan Sampah Laut Di Pantai Kecamatan Medang Kampai Kota Dumai…

ABSTRACT This research was conducted on the coast of Medang Kampai sub-district, Dumai City, Riau Province. The method used in this study was the observation method, the purpose of this research was to identify the types of marine debris and their abundance in the coast of Medang Kampai district, Dumai City, Riau Province. Sampling was carried out in two stations and each station consisted of …

Indentifikasi Morfologi Dasar Perairan Di Selat Rupat Kabupaten Bengkalis Riau

ABSTRACT Based on the results of the analysis and discussion in this study, the following conclusions can be drawn, on indirect tidal data for 29 days in the waters of Rupat Strait processed using the Admiralty method, the value of the chart datum model is MSL 0.076m, HHWL 163.411m and LLWL -163.259m. The relationship between the chart datum obtained with bathymetry data, that the Z0 and MSL v…

Pemetaan Potensi Energi Arus Laut Di Perairan Rupat Utara Dengan Pemodelan …

ABSTRACT This research was conducted in the waters alongside the North Rupat coastline. The purpose of this research was to analyze current velocity and convert it to electrical potential energy by the formula. The method used in this study was the survey and computation method. The survey was carried out ± 2 km from the coastline by using 8 stations spread around North Rupat waters and 1 sta…