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Sudirman Adibrata
Aquatic Resources Management Study Program, Faculty of Agriculture, Fishery and Marine Science, Bangka Belitung University, Indonesia
Agriculture, Biological Sciences & Forestry Environmental Science

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Growth Pattern of Rabbitfish (Siganus Guttatus) in Seagrass Habitat in the Tukak Waters Diah Puspita Dewi; Wahyu Adi; Sudirman Adibrata; Andi Gustomi; Okto Supratman; Jemi Ferizal
Coastal and Marine Journal Vol. 3 No. 1 (2025)
Publisher : Yayasan Serumpun Karang Konservasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61548/cmj.v3i1.52

Abstract

The Baronang fish (Siganus guttatus) is an economically valuable species commonly found in seagrass ecosystems, which serve as critical habitats providing food, spawning, and nursery grounds. This study, conducted from June to August 2024, aimed to examine the length-weight relationship, growth patterns, and the influence of environmental parameters on Baronang fish growth. Fish samples were collected using beach seines of various mesh sizes. The length-weight relationship in June followed the model W = 0.12L².19 (R² = 0.72), in July W = 1.07L⁰.34 (R² = 0.99), and in August W = 2.72L⁰.674 (R² = 0.94), indicating varying degrees of correlation across months. Growth analysis using the von Bertalanffy model showed an asymptotic length (L∞) of 154.00 mm and a growth coefficient (K) of 0.51/year. In August, the estimated L∞ was 19.95 cm, K = 1.01/year, and t₀ = 0.176. The fish reached a length of 88.97 mm in the first year and 150.95 mm by the sixth year, with growth slowing down after this period. Environmental parameter analysis revealed that temperature had a significant positive effect on fish weight (B = 14.664, p < 0.001), while salinity (B = -5.920, p = 0.005) and dissolved oxygen (DO) (B = -28.357, p = 0.001) had significant negative effects. These findings highlight the importance of environmental conditions in regulating the growth of Siganus guttatus in seagrass ecosystems.  
Analysis of Squid (Loligo sp.) Utilization and Sustainable Management Strategies in The Water of North Sulawesi Province, Indonesia Talitha Zerlinda Gunawan; Anaya Noveleta; Dianatalia; Elsa; Paraning Gita Cahyani; Sudirman Adibrata; Lizha Dwi Mulya Putri
Coastal and Marine Journal Vol. 3 No. 2 (2025)
Publisher : Yayasan Serumpun Karang Konservasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61548/cmj.v3i2.83

Abstract

This study aims to analyze the utilization status of squid (Loligo sp.) resources and formulate sustainable management strategies in North Sulawesi Province, Indonesia. The study was conducted in May 2025 in the waters of North Sulawesi Province, which are part of the Indonesian Fisheries Management Area (IFMA) 715. A quantitative descriptive method was employed, using secondary data obtained from reports published by the Ministry of Marine Affairs and Fisheries, capture fisheries statistics, and relevant scientific literature. The data analyzed include squid (Loligo sp.) catch production, the number of squid (Loligo sp.) fishing gears, and the estimated Allowable Catch (TAC) for the years 2020–2024. The research results indicate that squid (Loligo sp.) production has experienced fluctuations, with the highest production in 2024 at 1,933.21 tons, still below the TAC value of 2,712 tons; however, the utilization rate has approached the optimal limit. The relationship between the number of fishing gear and production shows a negative pattern influenced by environmental factors, seasons, and resource stock conditions. The recommended management strategies include the implementation of the Ecosystem Approach to Fisheries Management (EAFM), control of fishing effort, limitation of fishing gear, and the use of environmentally friendly fishing technology to ensure the sustainability of squid (Loligo sp.) resources in the water of North Sulawesi Province.
Production Analysis and Fisheries Management of Spanish Mackerel (Scomberomorus spp.) in Bangka Belitung Islands Province, Indonesia Sunita Priyani; Olifia Ratna Sari; Fadhilah Junia Putri; Iren Aprillia; Syahdan Akbar; Sudirman Adibrata
Coastal and Marine Journal Vol. 3 No. 1 (2025)
Publisher : Yayasan Serumpun Karang Konservasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61548/cmj.v3i1.88

Abstract

Spanish mackerel (Scomberomorus spp.) is a pelagic fishery commodity with high economic value that is widely utilized in the Bangka Belitung Islands Province. High fishing activity has the potential to put pressure on the sustainability of fish resources if not balanced with proper management. Therefore, this study aims to analyze Spanish mackerel (Scomberomorus spp.) production, assess the utilization status of large pelagic fish resources, and describe fisheries management conditions in Bangka Belitung Islands Province. This study was conducted from April to May 2025 in Bangka Belitung Islands Province using secondary data obtained from the Statistics Data Portal of the Ministry of Marine Affairs and Fisheries and other relevant scientific publications. The research method used is a literature study and secondary data analysis obtained from the Ministry of Maritime Affairs and Fisheries Statistics Data Portal and various related scientific journals. Data were analyzed descriptively to determine the development of mackerel production and the condition of large pelagic fish resource utilization in the study area. The results show that mackerel production fluctuated with an increasing trend during the 2020–2024 period. The highest production occurred in 2024 at 17,149.72 tons, while the lowest production occurred in 2020 at 9,964.02 tons. Based on Ministerial Decree MMAF No. 19 of 2022, the utilization rate of large pelagic fish in the Indonesian Fisheries Management Area (IFMA) 711 is classified as fully exploited, with a utilization rate of 0.7. This condition indicates that intensive utilization of fish resources requires sustainable management through controlling fishing activities, monitoring fishing gear, and implementing measured fishing policies to maintain the sustainability of fish resources in the Bangka Belitung Islands Province.
Analysis of Production Trends of Mackerel Tuna (Euthynnus affinis) Landed at Nusantara Fishing Port of Brondong (NFP Brondong), Lamongan Regency, East Java, Indonesia Audia Ramadani; Siti Maharani; Fadilah Auliah; Oktrin Syahrani; Muhammad Rafi; Sudirman Adibrata
Coastal and Marine Journal Vol. 3 No. 1 (2025)
Publisher : Yayasan Serumpun Karang Konservasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61548/cmj.v3i1.91

Abstract

This study aimed to analyze the production trends and production value of mackerel tuna landed at Nusantara Fishing Port of Brondong (NFP Brondong), Lamongan Regency, East Java, within Indonesian Fisheries Management Area (IFMA) 712. The research was conducted from April to May 2025 using a quantitative descriptive approach based on time-series data from 2020 to 2024 obtained from the Statistical Data Portal of the Ministry of Marine Affairs and Fisheries of Indonesia. The results showed that mackerel tuna production exhibited a fluctuating pattern throughout the study period. The highest production was recorded in 2024 at 53.18 tons, while the lowest production occurred in 2022 at 18.37 tons, with an average annual production of 35.29 tons. The production value also fluctuated, reaching its highest level in 2023 at IDR 1,098,435,000 and its lowest level in 2024 at IDR 464,758,000. Fluctuations in production volume were likely influenced by fishing seasons, weather conditions, fishing activities, and oceanographic factors in the Java Sea. Meanwhile, fluctuations in production value were associated with market prices, consumer demand, and fish quality. The findings indicate that mackerel tuna remains an important fishery commodity in IFMA 712. Therefore, sustainable fisheries management is necessary through continuous production monitoring and appropriate control of fishing efforts to ensure resource sustainability and support fishers’ welfare.
Production dynamics and the economic value of sustainable tuna (Thunnus sp.) fisheries management in North Maluku Province, Indonesia Clara Dwi Ananta; Devi Anggita; Raihan Arrasyid; Defa Safira; Muharomansyah Saputra; Sudirman Adibrata
Coastal and Marine Journal Vol. 3 No. 2 (2025)
Publisher : Yayasan Serumpun Karang Konservasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61548/cmj.v3i2.94

Abstract

The tuna fishery is one of the capture fisheries subsectors with high economic value and plays a vital role in supporting the economy of coastal communities in North Maluku Province. IFMA 715, which encompasses the Maluku Sea, the Halmahera Sea, Tomini Bay, and the Seram Sea, is one of Indonesia’s potential tuna-producing regions. This study aims to analyze the production dynamics and economic value of tuna fisheries in North Maluku Province, IFMA 715, as a basis for supporting sustainable fisheries management. This study employs a quantitative approach using descriptive methods based on secondary data from the Ministry of Marine Affairs and Fisheries, scientific publications, and relevant literature. The results showed that tuna production in North Maluku Province fluctuated during 2020–2024, with the highest production recorded in 2021 (54,637.76 tons) and the lowest in 2022 (18,940.87 tons). 2021 at 54,637.76 tons, and the lowest in 2022 at 18,940.87 tons. The economic value of tuna production reached its highest level in 2021 at Rp 1,213,290 million. The dominant tuna species caught were yellowfin tuna (Thunnus albacares) and bigeye tuna (Thunnus obesus) Fluctuations in tuna production and economic value are influenced by oceanographic conditions, fishing seasons, fishing effort, fishing gear, the size of the fishing fleet, market demand, and Illegal, Unreported, and Unregulated Fishing (IUU Fishing) activities. The required management strategies include controlling fishing effort, spatially based management of fishing areas, monitoring minimum catch sizes, and strengthening surveillance of illegal fishing to ensure the sustainability of tuna resources in IFMA 715.  
Production Analysis and Management of Tuna (Thunnus spp.) in Maluku Province, Indonesia Sessarea Husaini; Resty Puja Astriana; Friska Adilla; Rifki Nur Saputra; Jeprianto; Sudirman Adibrata; Robet Perangin-angin; Hasan Eldin Adimu
Coastal and Marine Journal Vol. 3 No. 2 (2025)
Publisher : Yayasan Serumpun Karang Konservasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61548/cmj.v3i2.98

Abstract

This study discusses the management of tuna (Thunnus spp.) fisheries in the Indonesia Fisheries Management Area (IFMA) 714, with a focus on the waters of Maluku Province during the 2020–2024 period. The study aimed to analyze the management of yellowfin tuna (Thunnus sp.) fisheries in the waters of Maluku Province within IFMA714. A quantitative descriptive method was employed using secondary data obtained from the Statistics Data Portal of the Ministry of Marine Affairs and Fisheries (MMAF). The analyzed data included tuna production, the number of fishing vessels, and dominant fishing gear types. The results showed that tuna production fluctuated throughout the observation period, increasing in 2021, declining in 2022 and 2023, and then increasing significantly again in 2024. These fluctuations were influenced by oceanographic conditions, climate change, weather conditions, fishing intensity, operational costs, and market demand for tuna commodities. The number of fishing vessels also changed from year to year, reflecting the level of tuna resource utilization in the Maluku region. In addition, the dominant fishing gear shifted from trolling lines to handlines in 2024, indicating a transition toward more selective and environmentally friendly fishing practices. The findings suggest that sustainable tuna fisheries management through the control of fishing intensity, the use of environmentally friendly fishing gear, strengthened monitoring, and data-based management is essential to maintain tuna resource sustainability while supporting the long-term economic viability of fishing communities in Maluku Province.  
Analysis of the Potential and Management Strategies of Mud Crab (Scylla spp.) Resources in the Bangka Belitung Islands Province, Indonesia Devi Anggita; Anaya Noveleta; Dianatalia; Clara Dwi Ananta; Raihan Arrasyid; Sudirman Adibrata
Coastal and Marine Journal Vol. 3 No. 2 (2025)
Publisher : Yayasan Serumpun Karang Konservasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61548/cmj.v3i2.102

Abstract

This study aims to analyze the potential of mud crab resources and formulate sustainable management strategies in the Bangka Belitung Islands Province. The research was conducted from April to May 2025 using a descriptive quantitative approach based on secondary data obtained from fisheries statistics, scientific publications, and relevant literature. Data analyzed included mud crab production, fishing gear utilization, and environmental conditions supporting mud crab habitats. The results showed that mud crab production in Bangka Belitung increased from 1,813.66 tons in 2020 to 3,854.27 tons in 2024, despite fluctuations in the number of trap nets (bubu) used by fishermen. Regression analysis indicated a moderate relationship between the number of trap nets and mud crab production, suggesting that production is influenced not only by fishing effort but also by environmental conditions, bait quality, and fishing techniques. Sustainable management strategies should focus on mangrove habitat conservation, regulation of minimum catch size, prohibition of harvesting berried female crabs, environmentally friendly fishing practices, development of mud crab aquaculture, and strengthening community participation. These strategies are expected to support the sustainability of mud crab resources and improve the welfare of coastal communities in IFMA 711.
Trend Analysis of Shrimp (Penaeus sp.) Production at Jambean Fishing Port, Pekalongan Regency, Central Java Siti Maharani; Audia Ramadani; Fadilah Aulia; Muhammad Rafi; Sudirman Adibrata; Martin Yermias Luhulima
Coastal and Marine Journal Vol. 3 No. 2 (2025)
Publisher : Yayasan Serumpun Karang Konservasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61548/cmj.v3i2.104

Abstract

Shrimp (Penaeus sp.) is one of the most economically important fishery commodities in Indonesia, contributing significantly to the capture fisheries sector and coastal community livelihoods. Monitoring shrimp production trends is essential to support sustainable fisheries management, particularly in the Indonesia Fisheries Management Area (IFMA) 712. This study aimed to analyze shrimp production trends, production value, and estimate the utilization potential of shrimp resources landed at Jambean Fishing Port, Pekalongan, during the 2020–2024 period. A quantitative descriptive approach was employed using secondary data obtained from the Statistical Data Portal of the Ministry of Marine Affairs and Fisheries of the Republic of Indonesia. The data consisted of annual shrimp production volume and production value, which were analyzed using descriptive statistics, tables, graphical trend analysis, and average production calculations. The results showed that shrimp production fluctuated throughout the study period, with the lowest production recorded in 2022 (42.19 tons) and the highest production in 2024 (74.37 tons). Similarly, shrimp production value exhibited a fluctuating trend, reaching its highest value of IDR 3,346,695 thousand in 2024. The average shrimp production during the five-year observation period was 55.44 tons. These findings indicate that shrimp resources in the study area continue to provide considerable economic potential. However, increasing fishing activities should be accompanied by sustainable fisheries management through continuous production monitoring and appropriate resource utilization strategies to maintain shrimp stock sustainability in IFMA 712.
Co-Authors Anaya Noveleta Andi Gustomi Audia Ramadani Clara Dwi Ananta Defa Safira Devi Anggita Diah Puspita Dewi Dianatalia Elsa Fadhilah Junia Putri Fadilah Aulia Fadilah Auliah Friska Adilla Hasan Eldin Adimu Iren Aprillia Jemi Ferizal Jeprianto Lizha Dwi Mulya Putri Martin Yermias Luhulima Muhammad Rafi Muharomansyah Saputra Okto Supratman Oktrin Syahrani Olifia Ratna Sari Paraning Gita Cahyani Raihan Arrasyid Resty Puja Astriana Rifki Nur Saputra Robet Perangin-angin Sessarea Husaini Siti Maharani Sunita Priyani Syahdan Akbar Talitha Zerlinda Gunawan Wahyu Adi