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Ronal Kurniawan
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Faculty of Fisheries and Marine, Universitas Riau, Pekanbaru 28293 Indonesia
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Tropical Marine Environmental Sciences
Published by Universitas Riau
ISSN : -     EISSN : 29620759     DOI : https://doi.org/10.31258/tromes
Core Subject : Science, Social,
Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Environmental Science Physics
Focusing on aspects of Aquatic ecology and Biology ini marine water. Original research that makes a significant contribution to field of marine: Moleculer biology; marine biology; Environmental Sciences; Oceanography; GIS; Marine pollution; and Marineculture
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Perairan
Articles 5 Documents
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Search results for , issue "Vol. 3 No. 2 (2025): May" : 5 Documents clear
Size Study of Sand Grain in the Aroen Meubanja Turtle Conservation Area, Aceh Jaya Wahyuni, Sri; Bahri, Samsul; Nufus, Hayatun; Mursawal, Asri
Tropical Marine Environmental Sciences Vol. 3 No. 2 (2025): May
Publisher : Department of Marine Science, Faculty of Fisheries and Marine Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/tromes.3.2.53-58

Abstract

Due to its unique coastal characteristics, the Aroen Meubanja Turtle Conservation Area in Aceh Jaya has significant potential as a nesting site for sea turtles. This study analysed the area's sand grain size and characteristics to determine its suitability for turtle nesting. The research was conducted in March 2024, with sand samples collected from three stations using purposive random sampling. Laboratory analysis included sieving and sand grain classification based on size and shape using the Wentworth and Powers classifications. The Wentworth scale is used to classify grain size, while the Powers scale assesses the shape and roundness of the grains. The results revealed that over 70% of the sediment in the area consists of very fine sand, which is highly favourable for turtle nesting. The roundness of the sand grains indicates a long transportation process, contributing to their suitability for nesting. Fine sand allows for proper water drainage, preventing waterlogging in nests and maintaining optimal temperatures for egg incubation. Additionally, environmental factors such as beach width, slope, substrate temperature, humidity, and coastal vegetation further enhance the area's potential as a turtle conservation site. This study concludes that the Aroen Meubanja coastal area meets the criteria for an ideal turtle nesting habitat. Recommendations include habitat management, community education, and further research to ensure sustainable conservation efforts
Mapping the Distribution of Sea Surface Temperature and Chlorophyll-a in the Waters of Pieh Island Conservation Area Using Aqua MODIS Satellite Imagery Maatitawaer, Natasya Debora Christiani; Rizvi, Fharisa Nabila; Kurniati, Fitri
Tropical Marine Environmental Sciences Vol. 3 No. 2 (2025): May
Publisher : Department of Marine Science, Faculty of Fisheries and Marine Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/tromes.3.2.48-52

Abstract

Pieh Island Conservation Area is a conservation area that has abundant biodiversity, including coral reefs, turtles, whales, dolphins, and others. This study aims to determine the Mapping of Sea Surface Temperature Distribution and chlorophyll-A in the Pieh Island Conservation Area Waters Using AQUA MODIS Satellite Imagery. The methods used are active participation, literature study, and discussion with field supervisors in the Pieh Island Marine Conservation Area, West Sumatra Province. The results of the Thematic Internship Program MBKM with the title Mapping the Distribution of Sea Surface Temperature and Chlorophyll-A in the Waters of Pieh Island Conservation Area Using Aqua MODIS Satellite Imagery. Based on the graph, the average sea surface temperature and chlorophyll-a concentration in the Pieh Island Waters Conservation Area show that the highest sea surface temperature during 2023 is in February at 30 ° C, which continues to decrease to the lowest value in May. Then it increases again from June to August, respectively 27.5°C, 27°C, and 27.5°C, and then drops in September by 27.5°C. Furthermore, the chlorophyll-a concentration value has the lowest value in April with a value of 0.182 mg/m3and the highest peak is in August with a value of 0.362 mg/m3, The results of the correlation test between sea surface temperature and chlorophyll-a show a significance value of 0.152 which is greater than the general significance level of 0.05. Therefore, based on the statistical significance criterion, it cannot be ignored that there is no significant influence between the two variables. At the same time, however, the Pearson correlation value is -0.519, which reflects the negative relationship between sea surface temperature and chlorophyll-a.
Liquid Waste Management Techniques by Using Equipment Operation System and Ipal System in PT Pertamina Trans Continental Dumai, Riau Wulandari, Aprilia; Shandy, Jacinda Qoidatun
Tropical Marine Environmental Sciences Vol. 3 No. 2 (2025): May
Publisher : Department of Marine Science, Faculty of Fisheries and Marine Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/tromes.3.2.41-47

Abstract

Managing liquid waste from the oil and gas industry is crucial to prevent water pollution. PT Pertamina Trans Kontinental Dumai is one of the companies active in oil and gas operations, which produces liquid waste from exploration and production processes. This study aims to determine the company's fluid waste management system and the readiness of oil spill response equipment. The methods include direct observation, interviews with relevant parties, and literature review. The observations indicate that wastewater treatment is carried out through three stages: physical separation, chemical treatment, and biological processes using aerated tanks and sedimentation. The quality test results show that parameters such as BOD, COD, oil and grease, ammonia, total phenol, pH, and temperature are within the established quality standards. Additionally, PT Pertamina Trans Kontinental Dumai has complete and well-maintained emergency response facilities for oil spills, including oil booms, oil skimmers, dispersants, and sorbents. In conclusion, the management of liquid waste and equipment readiness for oil spill response at PT Pertamina Trans Kontinental Dumai complies with standards, thereby minimizing the risk of marine environmental pollution.
The Potential of Marine Bacteria in Plastic Biodegradation: A Review Riswan, M; Ronal Kurniawan; Effendi, Irwan; Mega Novia Putri
Tropical Marine Environmental Sciences Vol. 3 No. 2 (2025): May
Publisher : Department of Marine Science, Faculty of Fisheries and Marine Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/tromes.3.2.67-70

Abstract

Ocean plastic pollution has become a significant problem affecting ecosystems and human health. One promising approach to address this issue is biodegradation by marine microorganisms, particularly bacteria. This article reviews recent studies (2021–2024) exploring the ability of marine bacteria to degrade plastics. Based on the research, certain marine bacteria have been proven capable of producing enzymes effective in breaking down various plastics. The article also discusses the challenges and opportunities in developing biotechnology based on marine bacteria to tackle plastic pollution
Comparison of the Abundance of Macrozoobenthos in Areas Affected and Unaffected by Reclamation in Pesisir Selatan District Mufidah, Marhamah Nurul; Siregar, Sofyan Husein; Tanjung, Afrizal
Tropical Marine Environmental Sciences Vol. 3 No. 2 (2025): May
Publisher : Department of Marine Science, Faculty of Fisheries and Marine Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/tromes.3.2.59-66

Abstract

This study aims to identify differences in macrozoobenthos abundance in areas affected and unaffected by reclamation around the Mandeh Tourism Area. This study was conducted in February–March 2023, using a survey method and sampling with the transect method. This study's results indicate that the water's condition in the Mandeh Tourism Area is still within the limits of the water quality standards and is quite good for the survival of macrozoobenthos. Macrozoobenthos found in Mandeh Tourism Area consisted of 12 families, namely Arcidae, Asterinidae, Cardiidae, Ellobiidae, Nassariidae, Neritidae, Potamididae, Siphonariidae, Trochidae, Turbinidae, Vanikoridae and Veneridae. A mixture of sand and gravel dominates the sediment type in the Mandeh Tourism Area. The total organic matter content of the sediments ranged from 3.65 to 3.90% (low). The density value of macrozoobenthos individuals in areas affected by reclamation is 5.89 ind/m2 with the highest relative density, Terebralia sulcata (26%), in areas unaffected by reclamation the average density of individuals is estimated at 10, 57 ind/m2 with abundance the highest relative is the type Pythia scarabaeus (23%).

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