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Journal of Marine Resources and Coastal Management
Published by Universitas Islam Negeri Sunan Ampel
ISSN : -     EISSN : 27220966     DOI : -
Core Subject : Science, Agriculture, Social,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science
Journal of Marine Resources and Coastal Management is a peer-reviewed journal published biannually by the Marine Science Departement, Faculty of Science and Technology, UIN Sunan Ampel. The Editors welcome contributions from research, which consider marine natural resources and coastal area with emphasis on environmental, technological, economic, institutional and policy aspects of conservation and utilization of marine resources and coastal zone management practices.
Arjuna Subject : Ilmu Lingkungan (semua ketegori) - Ilmu Lingkungan (Lain-Lain)
Articles 5 Documents
 1 
Search results for , issue "Vol. 6 No. 1 (2025)" : 5 Documents clear
Evaluation of vannamei shrimp farming management: A case study at the Prigi Marine Aquaculture Installation, Indonesia Savirah, Annisa Nur; Halim, Abdul; Ariwibowo, Dimas Agung
Journal of Marine Resources and Coastal Management Vol. 6 No. 1 (2025)
Publisher : UIN Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/mrcm.v6i1.2229

Abstract

This study investigates the growth performance, health monitoring, and management practices in the farming of vannamei shrimp at the Prigi Marine Aquaculture Installation (IBL Prigi), Indonesia. Sampling was conducted from Days of Culture (DOC) 40 to harvest, with data on shrimp growth, Average Body Weight (ABW), and size recorded regularly. The results showed consistent growth in shrimp from March to May 2024, with ABW increasing from 1.93 grams to 18 grams over the study period. However, survival rates (SR) were notably low, with Pond 1 at 24.51% and Pond 2 at 43.97%, suggesting potential issues in shrimp survival. The Feed Conversion Ratio (FCR) ranged from 1.73 to 1.93, indicating inefficiencies in feed utilization, especially in Pond 1. Health monitoring revealed challenges such as molting failure, reduced appetite, and softshell conditions in Pond 1, while Pond 2 experienced fewer health issues. Disease management involved feed adjustments and the use of minerals. Wastewater was managed through sedimentation at the wastewater treatment plant, contributing to sustainable practices. Overall, while growth trends were positive, improvements in survival rates, feed efficiency, and health management are necessary for optimizing shrimp production at IBL Prigi.
Species composition, diversity, and size variation of mushroom corals (Fungiidae) in Gili Noko, Bawean Island, Indonesia Mudzakky, Fathul Hilmy; Ar Royyan, Muhammad Abyan
Journal of Marine Resources and Coastal Management Vol. 6 No. 1 (2025)
Publisher : UIN Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/mrcm.v6i1.2240

Abstract

This study examines the community structure of mushroom corals in the waters of Gili Noko, Bawean Island, Indonesia, focusing on species composition, diversity, dominance, and size variation across three observation stations. Two species were identified: Fungia fungites and Herpolitha limax, with a total of 20 individuals recorded. Fungia fungites was the most dominant, particularly at Station 2, which had the highest abundance (n=8). The Shannon-Wiener diversity index ranged from 0.451 to 0.562, indicating very low species diversity in absolute terms. However, given the naturally limited species richness within mushroom corals, these values suggest a relatively balanced community structure. The dominance index ranged from 0.625 to 0.722, reflecting moderate species dominance, with Fungia fungites being more prevalent but not overwhelmingly so. Polyp size varied across stations, with Fungia fungites reaching the largest average diameter at Station 1 (9.8 cm) and Herpolitha limax at Station 2 (16.3 cm), suggesting that microhabitat conditions, coral density, and sandy-rubble substrate influence growth patterns. The presence of mushroom corals at all stations suggests generally favorable environmental and substrate conditions. These findings highlight the ecological value of Gili Noko’s reef habitat and emphasize the importance of conservation efforts to mitigate potential threats from human activity and climate change. Future research should prioritize temporal monitoring and assessments of anthropogenic pressures to support sustainable reef management in the area.
Environmental friendliness of traditional fishing gear in the northern coastal waters of East Java, Indonesia Rahmany, Cindy Ananda; Samudra, Muhammad Farhan Satya Bintang; Wijaya, Amelia Rachma; Ramadhan, Yusril Ilhami; Perdanawati, Rizqi Abdi
Journal of Marine Resources and Coastal Management Vol. 6 No. 1 (2025)
Publisher : UIN Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/mrcm.v6i1.2272

Abstract

The northern waters of East Java are classified as semi-enclosed marine areas, characterized by relatively mild wave activity and shallow depths. Seasonal monsoon winds significantly influence ocean currents in this region, creating favorable conditions for the exploitation of coastal and marine resources. Communities living in these coastal areas exhibit a high socio-economic dependency on marine ecosystems. This study aims to assess the types of fishing gear used by communities along the northern coast of East Java, focusing on gear design, construction materials, catch composition, and environmental sustainability. The findings reveal that fishermen in Surabaya City and Sidoarjo Regency primarily utilize traditional fishing gear such as nets, traps, rods, and region-specific tools locally known as serok, sonder, cager, nyatak, pancalan, and garit. An environmental friendliness assessment based on FAO (1995) criteria yielded high scores: gillnets (28.21), waring nets (31.25), garit (31.74), and traps/bubu (33.26). These results place all gear types within the "very environmentally friendly" category (score range: 26–36), indicating the ecological sustainability of traditional fishing practices in the region. This study highlights the importance of supporting traditional fishing gear to promote sustainable fisheries and preserve marine ecosystems in East Java.
Structure of reef fish communities in Gili Noko Island waters, East Java, Indonesia Ramadhanu, Rizky Akbar; Nugraha, Dimas Rizal Wahyu
Journal of Marine Resources and Coastal Management Vol. 6 No. 1 (2025)
Publisher : UIN Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/mrcm.v6i1.2298

Abstract

The coral reef ecosystems around Gili Noko Island, Bawean, Indonesia serve as one of the main sources of livelihood for the local community and provide essential habitat for various marine biota, particularly reef fish. This study aimed to assess the structure of the reef fish community in the area. The research was conducted from April to June 2024 using the Underwater Visual Census (UVC) method. The results recorded the presence of seven reef fish families: Acanthuridae, Apogonidae, Balistidae, Caesionidae, Chaetodontidae, Ephippidae, and Scaridae. The fish abundance index across all station points ranged from 1.50 ind/m² to 1.65 ind/m², indicating a relatively high abundance. The reef fish diversity index (H') at all stations was categorized as high, the evenness index (E) also fell within the high category, while the dominance index (D) was categorized as low. These findings suggest that the reef fish community structure in the waters around Gili Noko Island is both diverse and evenly distributed, with no single species dominating the ecosystem.
Comparative tidal analysis using Admiralty and Least Square methods at Tanjung Perak Port, Surabaya, Indonesia Calista, Tsabitah Nandiantara; Nadar, Harman; Sawiji, Asri; Fahmi, Muhammad Yunan
Journal of Marine Resources and Coastal Management Vol. 6 No. 1 (2025)
Publisher : UIN Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/mrcm.v6i1.2315

Abstract

This study evaluates tidal predictions using the Admiralty and Least Square methods by comparing their performance against real-time measurement and prediction data at Tanjung Perak Port, Surabaya, East Java. The analysis focuses on differences in harmonic components, tidal classifications, and tidal elevations. Results reveal a shift in Formzahl values from Mixed Tide, Prevailing Semidiurnal (1.494) in real-time data to Mixed Tide, Prevailing Diurnal (1.922) in prediction data, primarily due to variations in the amplitude of diurnal and semi-diurnal constituents. High correlation coefficients and low RMSE values demonstrate that both methods are suitable for tidal forecasting, with the Least Square method offering more refined long-term analysis and the Admiralty method showing greater efficiency in short-term tidal calculations. These findings contribute to improved maritime operations, coastal management, and sediment transport modeling, and highlight the importance of continued validation and methodological refinement to enhance predictive accuracy.

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