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Coastal and Marine Journal
  • coastal-and-marine-journal
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Published by Yayasan Serumpun Karang Konservasi
ISSN : -     EISSN : 30251613     DOI : https://doi.org/10.61548/cmj
Core Subject : Agriculture, Social,
Agriculture, Biological Sciences & Forestry Environmental Science
Coastal and Marine Journal provides an international forum for publishing papers in fisheries science, fishing technology, fisheries management, sustainability of fisheries, coastal and ocean management, relevant socio-economics, the conservation of exploitable living resources, marine spatial planning, and ethno-oceanography. The scope covers marine fisheries, brackish systems, all aspects of associated ecology, environmental aspects of fisheries, and socio-economics. Both theoretical and practical papers are acceptable, including laboratory and field experimental studies. The journal is intended for fisheries scientists, biological oceanographers, fishing gear technologists, economists, managers, administrators, policymakers, and legislators.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Perairan
Articles 32 Documents
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The Changes in The Area and Condition of Seague on Lepar Island, South Bangka using Sentinel 2A Image Angelia, Fera; Supratman, Okto; Muftiadi, M. Rizza; Adi, Wahyu
Coastal and Marine Journal Vol. 2 No. 2 (2024)
Publisher : Yayasan Serumpun Karang Konservasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61548/cmj.v2i2.20

Abstract

Seagrass is a higher-level plant that has symbiosis, vessels and reproduces generatively and lives submerged in water. Seagrass has many functions in waters, namely as a breeding ground, primary producer, water stabilizer, and as a sediment trap. The large number of mining activities in the Bangka Belitung Islands Province, especially in South Bangka district, can cause sediment to enter the seagrass ecosystem which will indirectly damage the seagrass ecosystem. Not only mining, many other human activities around the seagrass ecosystem also pose a threat to this ecosystem, such as ship propellers, reclamation activities and dock construction. The method used to determine station points ispurposive sampling, to assess the condition of seagrass using the quadratic transect method at 3 stations, namely Penutuk, Tanjung Sangkar and Tanjung Labu. The research results of the seagrass area on Lepar Island in 2020 was 1437.53 Ha, in 2021 it was 1428.14 Ha, in 2022 it was 1339.54, and in 2023 it was 1258.22. The changes in seagrass area that occurred were a reduction in area of 9.39 Ha from 2020-2021, in 2021-2022 it decreased by 88.6, in 2022-2023 it decreased by 81.22 Ha and the total change in seagrass area from 2020-2023 was reduced by 179.31 Ha. The condition of seagrass cover on Lepar Island is categorized as poor with a percentage of station 1 (Penutuk) 22.042%, station 2 (Tanjung Sangkar) 14.071%, and Station 3 (Tanjung Labu) 0.0868%.
The Changes in Coral Reef Area on Semujur Island, Central Bangka Sandri; Okto Supratman; M. Rizza Muftiadi
Coastal and Marine Journal Vol. 2 No. 2 (2024)
Publisher : Yayasan Serumpun Karang Konservasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61548/cmj.v2i2.23

Abstract

Semujur Island, located in Kebintik Village, Pangkalan Baru Subdistrict, Central Bangka Regency, covers an area of approximately 40 hectares and is home to 47 households, the majority of whom are fishermen. The island is known as a center for fishing activities and grouper cultivation and has potential for marine tourism through its diverse coral reefs and reef fish. This study aimed to analyze changes in coral reef area using Sentinel-2A satellite imagery and to assess the influence of sea surface temperature on these changes. Ground truth data were collected in March 2023, consisting of 60 samples classified into four categories: coral reef, dead coral, seagrass, and sand. Image analysis included sunglint correction, water column correction, and supervised classification using the Maximum Likelihood Classifier method. The results indicated a decrease in coral reef area from 104.61 hectares in 2016 to 99.91 hectares in 2023, representing a reduction of approximately 4.5%. Analysis of sea surface temperature data showed an increasing trend, contributing to coral reef degradation. These findings highlight the urgent need for sustainable management efforts to protect the coral reef ecosystem of Semujur Island.
Analysis of Fish Catch Diversity Index on Purse Seine Vessels in Indonesia Fisheries Management Area 718 (IFMA-718) Fadli Alfarisi R; Perangin-angin, Robet; Sari, Ratih Purnama; Sugiono; Nurlaela, Eli
Coastal and Marine Journal Vol. 2 No. 1 (2024)
Publisher : Yayasan Serumpun Karang Konservasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61548/cmj.v2i1.47

Abstract

Indonesia Fisheries Management Area 718 (IFMA-718), located in the Arafura Sea, is known for its high marine biodiversity and serves as a strategic fishing ground. However, the lack of fishing gear selectivity in this area poses a significant threat to the sustainability of marine resources. This study aims to evaluate the selectivity of purse seine fishing gear through biodiversity analysis using the Shannon-Wiener diversity index (H’), evenness index (E), and dominance index (C). Data collection was conducted from September 2023 to March 2024 in the Arafura Sea using a 149 GT purse seiner. Catch data were categorized into target species, bycatch, and discards. The results showed that the values of H’ ranged from 0.77 to 1.40, E values were mostly greater than 1, and C values were below 0.5. These findings indicate a high species diversity and evenness, alongside low dominance, suggesting a relatively balanced community structure. However, such diversity also reflects the low selectivity of the fishing gear, which captures both target and non-target species, including demersal and benthic organisms. In conclusion, the purse seine gear used in IFMA-718 is considered to have low selectivity and is potentially harmful to non-target marine ecosystems. This study provides essential insights for improving selective fishing practices and implementing sustainable fisheries management in the region.
The Composition of Fish Catches in Purse Seiner Operating in the Indonesian Fisheries Management Area (WPP 713) Sulawesi Sea Ritonga, Sarlandi; Perangin-angin, Robet; Prasetyono, Untung; Sugiono
Coastal and Marine Journal Vol. 2 No. 2 (2024)
Publisher : Yayasan Serumpun Karang Konservasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61548/cmj.v2i2.49

Abstract

Purse seine is a widely used fishing gear in Indonesia for capturing small schooling pelagic species. The study aimed to analyze the catch composition of purse seine fishing performed using the KM Bintang Mas Maritime based at Nusantara Fisheries Port (NFP) Pekalongan and fishing in Indonesia Fisheries Management Area (IFMA 713) Sulawesi Sea. Data was collected through fishing trips observations and catch documentation from September 12, 2023 to February 16, 2024. The total catch was 155,000 kg which was composed of three dominant target species: Decapterus macarellus (32.25%), D. punctatus (29.03%), and Sardinella lemuru (22.59%) which make up 83.87% of the total catch. Bycatch made up 16.13% and included Euthynnus affinis, Rastrelliger kanagurta, Selar crumenophthalmus, and Priacanthus macracanthus. The high proportions of small pelagic fish in the catch is indicative of purse seine selectivity and show the target stocks in IFMA 713 are available. This data highlights the significance of regular evaluation and dynamic management strategies that can adapt to evolving conditions to maintain ecological balance and enduring resources.
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.
The Analysis of Lobster Production and Resource Management in West Java Province, Indonesian Fisheries Management Area (IFMA) 573 Efrillia Nabila fauzy; Bintang Sanjari; Bima Prayasa Adisati; Septrinawati; Ahmad Maulana Malik; David N. Ogbonna; 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.v3i1.93

Abstract

Lobster is a high-value fishery commodity in the southern coastal waters of West Java, which are included in WPPNRI 573. Increasing market demand has led to higher lobster fishing activities, potentially threatening the sustainability of lobster resources. This study aims to analyze lobster production in West Java from 2019–2024, identify the dominant lobster species, examine the factors influencing lobster exploitation, formulate sustainable lobster management strategies, and analyze government efforts to support sustainable lobster resource management in WPPNRI 573. The study was conducted from April to May 2025 using data obtained from the Ministry of Marine Affairs and Fisheries. A literature review method with a qualitative descriptive approach was employed, drawing on lobster production data and relevant scientific literature to analyze trends and related issues in lobster fisheries. The results showed that lobster production in West Java fluctuated, with the highest production recorded in 2020 at 167.36 tons and the lowest in 2023 at 24.42 tons. The dominant lobster species found were sand lobster (Panulirus homarus), pearl lobster (Panulirus ornatus), and bamboo lobster (Panulirus versicolor). The high fishing activity has caused lobster utilization to reach a fully exploited status, requiring sustainable management through minimum catch size regulations, fishing effort control, stock monitoring, the use of environmentally friendly fishing gear, supervision of illegal fishing, and lobster aquaculture development to ensure the sustainability of lobster resources.
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.  

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