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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 10 Documents
 1 
Search results for , issue "Vol. 7 No. 1 (2026)" : 10 Documents clear
Topographic change analysis and flood risk assessment in Jepara Regency, Indonesia, using GIS-based multi-criteria spatial analysis Gymnastiar, Achmad Raihan; Ardasyah, Aksatria Krisna; Sawiji, Asri; Santoso, Eko Hadi
Journal of Marine Resources and Coastal Management Vol. 7 No. 1 (2026)
Publisher : UIN Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/mrcm.v7i1.2301

Abstract

Jepara Regency, located on the northern coast of Central Java, Indonesia, with a coastline of approximately 82.72 km, has experienced significant topographic changes driven by natural processes and anthropogenic activities. These changes, combined with increasing rainfall variability, have heightened flood risk in several parts of the region. This study aims to analyze topographic changes between 2014 and 2023 and to assess flood risk by integrating rainfall intensity and slope characteristics using a GIS-based multi-criteria spatial analysis approach. This research utilizes secondary spatial and climatological data. Rainfall data for the period 2020–2022 were obtained from the Meteorology, Climatology, and Geophysics Agency (BMKG) and classified according to rainfall intensity levels. Topographic and slope data were derived from the National Digital Elevation Model (DEMNAS) and the Indonesian Topographic Map (RBI). The analysis involved slope classification, scoring, weighting, and weighted overlay techniques using Geographic Information System (GIS) tools implemented in ArcMap software. The results indicate pronounced seasonal rainfall variability in Jepara Regency, with the lowest rainfall intensity occurring in July and the highest intensities recorded between December and January, ranging from 10.45 to 85.91 mm/day. Topographic analysis shows that areas with moderate slopes (8–15%) are vulnerable to extreme weather events and potential slope instability, while flat areas with slopes of 0–1% exhibit high susceptibility to flooding due to limited surface runoff capacity and land-use conditions. The total flood-prone area identified covers approximately 686.6 ha. Overall, the integration of rainfall and topographic parameters through GIS-based multi-criteria spatial analysis proves effective in identifying flood-risk zones and provides valuable input for spatial planning, disaster risk reduction, and coastal management in Jepara Regency.
Biochemical detection and characterization of Vibrio spp. in whitelag shrimp (Litopenaeus vannamei) aquaculture system A'rifin, Nurul Maulia; Suhermanto, Achmad; Safitri, Nur Maulida; Suherman
Journal of Marine Resources and Coastal Management Vol. 7 No. 1 (2026)
Publisher : UIN Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/mrcm.v7i1.2400

Abstract

Vannamei shrimp (Litopenaeus vannamei) is a major aquaculture commodity with high economic value, contributing significantly to foreign exchange earnings. Suboptimal management of the aquaculture environment can promote the proliferation of pathogens, particularly Vibrio spp., leading to production losses from vibriosis. This study aimed to biochemically characterize Vibrio spp. isolated from vannamei shrimp aquaculture and to determine the dominant species. Water samples were collected from three brackish water aquaculture tanks in Serang, Indonesia, and cultured on TCBS agar, Hi Chrome Vibrio, and TSA media. Pure isolates were subjected to a series of biochemical tests, including Gram staining, catalase, oxidase, motility, carbohydrate fermentation, aerobic–anaerobic growth, salinity tolerance, MR-VP test, decarboxylase, indole, KCN, urease, and gas from glucose. The isolates were Gram-negative, catalase- and oxidase-positive, motile, curved bacilli, fermentative, and exhibited variations in carbohydrate fermentation patterns (glucose, sucrose, lactose). All isolates grew at 6% salinity and 37°C, with some variations in characteristics between tanks. Based on the biochemical profiles, the isolates were consistent with Vibrio parahaemolyticus, highlighting the need for proper environmental management to mitigate the risk of vibriosis in vannamei shrimp aquaculture systems. These findings underscore the importance of regular water quality monitoring and biosecurity measures to prevent disease outbreaks.
Assessment of mangrove rehabilitation success at PT Kandelia Alam, Kubu Raya Regency, Indonesia Jayanti, Ucy; Helena, Shifa; Sofiana, Mega Sari Juane; Ihsan, Nur Ramadhani
Journal of Marine Resources and Coastal Management Vol. 7 No. 1 (2026)
Publisher : UIN Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/mrcm.v7i1.2427

Abstract

Mangrove forests provide essential ecological and economic services; however, increasing human activities and natural disturbances have led to widespread degradation, highlighting the need for effective rehabilitation efforts. This study evaluated the success of mangrove rehabilitation in the concession area of PT Kandelia Alam, Kubu Raya Regency, Indonesia, using indicators of survival rate, plant height, leaf number, and environmental conditions. Data were collected under three site conditions (flooded, flowing-water, and unflooded areas) across two observation stations, each consisting of three measurement plots. Each plot measured 20 × 50 m and contained a 20 × 20 m subplot representing 100 individual plants, with observations conducted up to T₀ + 9. The results indicated that rehabilitation success at Stations I and II was moderate, with survival rates of 74.33% and 72.17%, respectively. Average plant heights were 50.60 cm at Station I and 53.66 cm at Station II, with an average of five leaves per individual at both stations. The Rhizophora  mucronata and Bruguiera gymnorrhiza species exhibited better adaptability in flowing-water and unflooded areas, whereas the Rhizophora apiculata species showed lower survival rates, particularly under flooded conditions. Environmental parameters at both stations were generally within suitable ranges for mangrove growth, including salinity of approximately 22 ppt, water temperature of 28°C, water pH of 7, soil temperature of 30–31°C, soil pH of 5.5, and substrates dominated by silty clay and silt. These findings suggest that while survival rates indicate moderate rehabilitation success, vegetative growth remains suboptimal, emphasizing the importance of site–species matching, hydrological suitability, and early-stage maintenance to enhance long-term mangrove rehabilitation outcomes.
The role of coastal communities in transboundary marine resources management in selected Sub-Saharan African cities Oluwayemisi, Ogunleye
Journal of Marine Resources and Coastal Management Vol. 7 No. 1 (2026)
Publisher : UIN Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/mrcm.v7i1.2428

Abstract

This paper examines the critical role of coastal communities in managing transboundary marine resources across selected Sub-Saharan African cities, including Lagos, Abidjan, Accra, Mombasa, and Cape Town. Using a systematic review of recent studies, reports, and policy documents, the research investigates governance frameworks, environmental challenges, and the integration of indigenous and local knowledge (ILK) in shared marine ecosystems. Findings reveal that, while regional conventions provide legal foundations for cooperation, weak enforcement, limited community participation, and socio-political inequalities hinder effective transboundary governance. Coastal communities face mounting environmental pressures from climate change, pollution, and habitat degradation, all of which threaten livelihoods and biodiversity. The study highlights successful community-based management initiatives and underscores the importance of inclusive governance, capacity building, and co-management approaches in enhancing resilience. Policy recommendations advocate for stronger stakeholder engagement, integration of ILK, and interdisciplinary research to support sustainable marine resource management. This work contributes to understanding the socio-ecological complexities of marine governance and offers practical pathways for strengthening community involvement in transboundary resource stewardship in Sub-Saharan Africa.
The effect of chitosan addition on the tensile strength characteristics of carrageenan from Eucheuma spinosum Margareta, Tanti; Ningsih, Ellis Nurjuliasti; Hendri, Muhammad; Amal, Ikhlasul
Journal of Marine Resources and Coastal Management Vol. 7 No. 1 (2026)
Publisher : UIN Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/mrcm.v7i1.2432

Abstract

The accumulation of non-biodegradable plastic waste and its detrimental effects on the environment underscore the imperative to develop sustainable packaging alternatives, such as edible films. In this study, the incorporation of chitosan was investigated to enhance the mechanical properties of an edible film based on carrageenan extracted from the seaweed Eucheuma spinosum. The carrageenan was extracted from E. spinosum cultivated in the coastal waters of Ketapang, Lampung, Indonesia and its yield and dry shrinkage were determined. Edible films were then fabricated by varying the concentrations of carrageenan and chitosan, with glycerol employed as a plasticiser. Characterisation included tensile strength testing, thickness measurement using a micrometer, and morphological analysis via scanning electron microscopy (SEM). The results indicated that tensile strength increased with the addition of chitosan up to an optimal concentration; beyond this point, further addition resulted in a decline in tensile strength. The maximum tensile strength achieved was 15.31 MPa, and film thickness ranged from 0.06 to 0.20 mm, thereby meeting the requirements of the JIS Z 1707:2019 standard. Morphological analysis revealed a smooth surface but a non-homogeneous particle distribution, suggesting that the mixing process was not yet fully optimised. Overall, the combination of carrageenan and chitosan significantly improved the physical and mechanical properties of the edible film, indicating its potential as a safe, biodegradable, and environmentally friendly food-packaging material.
Effects of culture conditions on proteolytic activity of Staphylococcus saprophyticus isolated from a traditional fermented condiment Duanty, Putri Valentina; Pramono, Heru; Nirmala, Dwitha
Journal of Marine Resources and Coastal Management Vol. 7 No. 1 (2026)
Publisher : UIN Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/mrcm.v7i1.2433

Abstract

Madura petis is a traditional fermented condiment from East Java, Indonesia, made from shrimp or fish cooked with sugar to produce a rich, savory paste. Its characteristic umami flavour develops naturally during storage through spontaneous fermentation involving proteolytic microorganisms. The aims of the study were to analyze the production of protease in different culture condition and nutrition of Staphylococcus saprophyticus (strain PMB1-7) isolated from petis. The isolate was a Gram-positive, catalase-positive coccus that does not ferment mannitol and is resistant to novobiocin, a typical of S. saprophyticus. Growth profiling revealed it reached stationary phase after 12 h of culture. Protease activity assays were conducted under different media, pH levels, and incubation times to determine optimal enzymatic conditions. The highest proteolytic activity occurred in Nutrient Broth (proteolytic index: 1.09 ± 0.01), at neutral pH (1.22 ± 0.10), and after 24 hours of incubation (1.20 ± 0.00). These results offer valuable insights into the enzymatic behavior of S. saprophyticus during petis fermentation and provide a foundation for developing controlled fermentation approaches to enhance the flavour quality of traditional Indonesian condiments.
Estimation of mangrove sediment carbon storage in Purun Kecil Village, West Kalimantan, Indonesia Helena, Shifa; Minsas, Sukal; Jayanti, Ucy
Journal of Marine Resources and Coastal Management Vol. 7 No. 1 (2026)
Publisher : UIN Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/mrcm.v7i1.2435

Abstract

Mangrove ecosystems play a crucial role as coastal blue-carbon reservoirs, yet widespread land-use conversion has led to substantial degradation and carbon loss in many regions. This study estimates sediment carbon storage in mangrove ecosystems in Purun Kecil Village, Mempawah Regency, West Kalimantan, Indonesia, and identifies sediment factors influencing carbon retention. The research was conducted from June to August 2025, with sediment samples collected at a depth of 0–30 cm across natural mangroves, inactive fishponds, and coconut plantations. Organic carbon was analyzed using the Loss on Ignition (LOI) method, accompanied by measurements of bulk density, soil texture, pH, moisture, and salinity. The results show that natural mangroves stored the highest sediment carbon stock (614.7 Mg C/ha), followed by inactive fishponds (472.0 Mg C/ha) and coconut plantations (392.9 Mg C/ha). One-way ANOVA confirmed significant differences in sediment carbon stocks among land-use types (p < 0.001), and Tukey’s HSD post-hoc analysis indicated that all land-use categories differed significantly. Higher carbon storage in natural mangroves was associated with lower bulk density and finer sediment texture, which promote carbon stabilization under anaerobic conditions. These findings demonstrate that land-use conversion from mangroves to aquaculture and agriculture substantially reduces sediment carbon reserves and degrades soil quality. The study highlights the importance of mangrove conservation and restoration as effective nature-based solutions for climate change mitigation and coastal ecosystem management.
Gastropod assemblage structure in response to microlocation stressors in Tanjung Bunga, Bangka Island, Indonesia Arizona, Mohammad Oka; Batubara, Geothani Harapan putera; Rema, Dareen Nadya; Pradita, Giandi Dharma
Journal of Marine Resources and Coastal Management Vol. 7 No. 1 (2026)
Publisher : UIN Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/mrcm.v7i1.2439

Abstract

Gastropods are an important component of mangrove ecosystems, contributing to the maintenance of ecological functions; however, their presence is highly vulnerable to anthropogenic activities. This study aimed to analyze the community structure of gastropods in response to microlocation-specific stressors in Tanjung Bunga, Bangka Island, Indonesia. Observations were conducted at three stations within a single site but under different environmental pressures, namely Station 1 (adjacent to mining areas), Station 2 (sewage outfall), and Station 3 (fishing activity area). Each station was sampled using three 10 × 10 m transects, with five 1 × 1 m plots per transect (15 plots per microlocation), and the data were analyzed using ecological indices. A total of 10 species from seven families were identified, showing varying distribution patterns. Station 2 exhibited the highest species richness (8 species), followed by Station 3 (7 species) and Station 1 (5 species). Four species, i.e., Batillaria minima, Littoraria scabra, Chicoreus capunicus, and Cerithidea quadrata, were recorded across all stations, indicating high tolerance to multiple stressors. In contrast, Ellobium aurisjidae and Nerita petiti were restricted to Station 2, while Monodonta labio and Nerita undata were found only at Station 3. Ecological index analysis revealed that the mining site had the lowest diversity (H′ = 1.034) and species richness (R = 1.369), whereas Station 2 recorded the highest richness (R = 1.979). Water quality across all stations was relatively similar, with pH 6, temperature ranging between 27–28 °C, salinity 28–30 ppt, and sandy mud substrates. These findings suggest that, although water quality remained stable, variations in anthropogenic stressors significantly influenced gastropod community structure.
Study of the development priority in accordance with MARPOL at the Port of Semayang, Balikpapan, Indonesia Putri, Destyariani Liana; Nurmawati; Wirawan, Muhammad Khaisar; Firsandi, Rahmat; Fernandito, Gerald
Journal of Marine Resources and Coastal Management Vol. 7 No. 1 (2026)
Publisher : UIN Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/mrcm.v7i1.2441

Abstract

Effective port management requires prioritizing environmental compliance in accordance with international regulations such as MARPOL. This study aims to identify and rank the most critical MARPOL Annex V criteria affecting port environmental performance at Semayang Port, Balikpapan, using the Analytic Hierarchy Process (AHP). Expert respondents provided pairwise comparisons of four key criteria, and their relative importance was visualized using a bar chart. Results show that Ship Waste Disposal in the port area (0.3317) and Fuel Reporting (0.3243) are the top priorities, together accounting for over 65% of total importance. In contrast, Waste Reporting (0.1785) and Occupational Health and Safety Standards (0.1655) were lower-ranked, reflecting that operational pollution control and fuel management dominate decision-making priorities. These findings provide a structured framework for port authorities to allocate resources, phase MARPOL-related interventions, and enhance compliance. By focusing on the most impactful criteria, Semayang Port and other ports in Indonesia and Asia can advance toward sustainable, resilient, and environmentally responsible operations.
Analysis of shoreline changes in Brondong District, Lamongan Regency, East Java, Indonesia Kusumaningtyas, Al Izzha; Noverma; Perdanawati, Rizqi Abdi
Journal of Marine Resources and Coastal Management Vol. 7 No. 1 (2026)
Publisher : UIN Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Brondong District in Lamongan Regency is one of Indonesia’s coastal zones where shoreline dynamics are highly sensitive to both natural processes and human activities. As coastal development intensifies, shoreline positions in this region exhibit periodic shifts, resulting in either land expansion or loss. Understanding these changes is critical for effective coastal management, regional planning, and risk mitigation. This study analyzed shoreline displacement from 1993 to 2019 and projected shoreline conditions up to 2030. Remote sensing techniques, supported by the Digital Shoreline Analysis System (DSAS), were employed to quantify shoreline movement and calculate accretion and erosion rates through transect-based statistical models. Land-use changes were analyzed using the regional spatial plan and Landsat imagery, validated through field observations. Results indicate that Brondong District experienced predominantly accretional shoreline movement over the study period. Brondong Village showed the most substantial accretion, with an average shoreline shift of 376.12 meters and an annual rate of 14.49 meters, while Lohgung Village exhibited the lowest, with 31.72 meters and 1.22 meters per year. Differences between villages suggest that local geomorphology, sediment supply, and human activities significantly influence coastal change. Projections for 2030 indicate that accretion will continue to dominate, with Brondong Village expected to experience an additional 42.58 meters of shoreline advance at an annual rate of 3.87 meters. Although the projected rate is lower than historical values, continued land accumulation highlights the long-term influence of sediment deposition, tidal processes, and coastal infrastructure. These findings provide valuable insights for sustainable coastal management, planning, and adaptation strategies in rapidly developing coastal zones.

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