Ditapis dengan
Skrining Bakteri Dan Jamur Penghasil Antibiotik Dari Usus Telescopium Telesc…
This study aims to screen and identify antibiotic-producing bacteria isolated from the intestines of Telescopium telescopium living in the Dumai mangrove ecosystem, Riau Province. The study was conducted from October to December 2024 at the Mangrove Forest Marine Station, University of Riau, Dumai. Bacterial isolation was carried out using Nutrient Agar media, then continued with antibacterial …
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- 2104111586
Analisis Suhu Penyimpanan Terhadap Kualitas Produk Beberapa Varian Kopi Pro Y…
This study aims to analyze the storage temperature on microbial growth in several pro coffee variants and analyze the storage temperature on the quality of pro coffee containing B. cereus SN7. The coffee variants used were original, latte, original jelly, latte jelly at temperatures of 10, 25 and 37°C for 7 days of storage . Microbial growth was observed using the Total Plate Count method, whi…
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- 2104114047
Karakterisasi Dan Identifikasi Bakteri Fotosintetik Penghasil Pigmen Alami Ya…
Exploration of marine microorganisms as a source of natural pigments has become a major focus in the development of environmentally friendly and sustainable coloring materials. This study aims to characterize and identify photosynthetic bacteria producing natural pigments isolated from Dumai waters. Isolation was carried out by the enrichment method using mineral salt medium under phototrophic …
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- 2104112815
Identifikasi Ikan Hiu Genus Carcharhinus Secara Fenotipe Dan Genotipe Di Prov…
Sharks are predatory animals that live around coral reefs. This fish has slow growth and breeding limitations. Currently, its existence is increasingly threatened due to the large number of captures both as catch targets and bycatch which has resulted in a decrease in the shark population in the waters. This study was conducted from November 2024 to January 2025 in Tanjung Pinang, Riau Islands …
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- 2104110088
Hubungan Tutupan Terumbu Karang Terhadap Kelimpahan Ikan Karang Famili Pomace…
Coral reefs play an important role in maintaining marine biodiversity by providing habitat for various marine organisms, including reef fish from the Pomacentridae family. This study aims to analyze the relationship between coral reef cover and the abundance of Pomacentridae reef fish in the waters of Setan Island, West Sumatra. The study was conducted using the Underwater Photo Transect (UPT) …
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- 1904113174
Jenis Dan Kelimpahan Fitoplankton Pada Kedalaman Yang Berbeda Di Perairan Pan…
This study aims to identify the types and abundance of phytoplankton at different depths and research stations. In the coastal waters of Teluk Makmur Village, Dumai City, Riau Province. Samples were taken from three different locations, namely estuary area, tourist area, and anarea far from settlements. Number of phytoplankton samples from the three stations with three depths was 27 samples. …
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- 2104124857
Analisis Pola Sirkulasi Arus Di Perairan Selat Rupat
The Rupat Strait, functioning as a semi-enclosed water body connecting the Dumai coast with the Malacca Strait, exhibits complex hydrodynamic variability influenced by monsoon patterns, tidal forces, and anthropogenic pressures. Our integrated study combining MIKE 21 hydrodynamic modeling with field validation (demonstrating high accuracy: RMSE=0.27, MAE=0.23) reveals distinct seasonal patterns…
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- 1904110585
Analisis Keterkaitan Iod (Indian Ocean Dipole) Dan Enso (El Niño Southern Os…
This research examines the influence of the Indian Ocean Dipole (IOD) and El Niño–Southern Oscillation (ENSO) on sea surface temperature (SST) and rainfall variability in the coastal waters of West Sumatra over the period 2014–2024. The analysis draws on Dipole Mode Index (DMI), Niño 3.4 index, SST, and rainfall data, processed using MathWorks and Excel. Regression analysis between field …
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- 2104126419
Pengaruh Perbedaan Konsentrasi Deterjen (Soklin) Terhadap Pertumbuhan Bakteri…
This research was conducted from June to July 2024 at the estuary of the Selat Morong River, Rupat District, Bengkalis Regency, Riau Province. The objective of this study was to examine the effect of different detergent concentrations on the growth of heterotrophic bacteria, as well as to investigate the influence of varying detergent exposure durations on their growth. The experimental method …
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- 1804124790
Stok Karbon Organik Pada Sedimen Di Ekosistem Mangrove Rehabilitasi Desa Keda…
Global climate change caused by increased carbon dioxide (CO₂) emissions poses a serious threat to coastal ecosystems, including mangrove forests that have a high capacity to absorb and store large amounts of carbon. Kedabu Rapat Village in the Meranti Islands Regency, Riau Province, is a coastal area that has implemented a mangrove rehabilitation program since 2017 as an effort to overcome a…
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- 1904113507
Cadangan Karbon Pada Sedimen Di Ekosistem Mangrove Desa Pangkalan Jambi Kabu…
This study was conducted to estimate carbon stock in sediments within the mangrove forest ecosystem in Pangkalan Jambi Village, Bengkalis Regency, Riau Province, which has significant potential as a natural carbon sink. The objectives of this study were to identify mangrove species, calculate vegetation density, measure sediment carbon content, and analyze the relationship between mangrove dens…
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- 1904112686
Jenis Dan Kelimpahan Sampah Pantai Di Pantai Timur Pulau Karimun Provinsi Kep…
This study aims to determine the types and differences in abundance and analyze the abundance of beach litter between stations and between sampling times in the East Coast ofKarimun Island, Riau IslandsProvince. The method used in this study is asurvey method using purposive sampling technique, which is a sampling technique by selecting subjects that have certain characteristics or criteria tha…
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- 1904124221
Analisis Kelimpahan Mikroplastik Pada Kerang Kijing (Glauconome Virens) Di Pe…
This study aims to analyze the types and abundance of microplastics in mussels (Glauconome virens), analyze the differences in the abundance of microplastics in mussels (G. virens) among research stations, and analyze the relationship between microplastic abundance and morphometric size of mussels (G. virens) in the coastal waters of Tanah Merah Village, Meranti Islands. Samples were taken from…
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- 2104113707
Analisis Sebaran Suhu Permukaan Laut Dan Kaitannya Dengan Curah Hujan Di Kota…
This research was conducted in February 2024. The research location was carried out in 4 different locations namely Angso Duo Island, Tangah Island, Ujung Island and between Kasiak Island. The research objectives were to determine the distribution of sea surface temperature, average rainfall, and the relationship between sea surface temperature and rainfall. The method used is survey method, wh…
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- 2004113390
Jenis dan kelimpahan mikroplastik pada kerang kepah tahu (Meretrix meretrix) …
This study was conducted in August 2024 in the coastal area of Sri Tanjung Village, Rupat Sub-district, Bengkalis Regency. The objectives of this research were to identify the types and abundance of microplastics, examine the differences in microplastic abundance across sizes, analyze the relationship between microplastic abundance and size (shell length and total weight), and explore the relat…
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- 2004110871
Struktur Komunitas Kepiting Biola Uca Sp. Di Kawasan Hutan Mangrove Desa Sung…
Uca sp. is one group of sea crab from Family: Ocypodidae which is spread in almost all Indonesian mangrove areas. This research was carried out in March 2018 located in Sungai Cingam VillageMangrove Forest, Rupat Island, Bengkalis Regency, Riau Province. This study aims to determine Uca sp. Crab community structure. Which includes Species, Density, Relative Density, Diversity, Uniformity, Domin…
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- vi, 71 hlm.; ill.; 29 cm
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- 04 03. 118 (0082)
Analisis kandungan bahan organik sedimen dan kelimpahan makrozoobentos di pan…
This study aims to determine the amount of organic matter content and abundance of macrozoobenthos species that inhabit the waters of Sako Beach, Bungus Teluk Kabung District, West Sumatra. This research was conducted in March-April 2024 in the Sako Beach area, Bungus Teluk Kabung District, West Sumatra Province. This study uses a survey method, namely observation and data collection direc…
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- 2004135045
Analisis Kerentanan Pantai Di Wilayah Pesisir Kuala Merbau
The research was conducted from July to September 2024. The secondary sampling took place along the coastline of Kuala Merbau. With data analysis performed in the Physical Oceanography laboratory. This research employs remote sensing techniques and field surveys to assess coastal vulnerability. The processing of secondary samples was carried out at 12 sampling sites using the CVI method, which …
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- 1804110311
Status Keberkelanjutan Pengelolaan Ekosistem Mangrove di Kepenghuluan Serusa …
Mangrove ecosystems plays important role as habitat of aquatic organisms in the coastal areas. The condition of the mangrove were affected greatly by tidal, weather and anthropogenic activities conducted around that area. In the Serusa Village that is located in the Rokan Hilir Regency, the mangrove area was degraded due to human activities such as mangrove logging and land conversion int…
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- 2010247585
Efektivitas Penambahan Astaxanthin pada Pakan untuk Meningkatkan Kecerahan Wa…
Snakehead fish (Channa maruliodes), an endemic species from the Kampar River has become increasingly popular as an ornamental fish due to its beautiful body coloration. However, the main challenge in its cultivation is the time required to achieve optimal coloration that take 1 to 1.5 years period. The long cultivation period has led breeders to rely more on capturing adult fish with vibrant co…
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- 2110246717
Karya Umum 
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Ilmu-ilmu Sosial 
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Kesenian, Hiburan, dan Olahraga 
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Geografi dan Sejarah