Jurnal Pengelolaan Perikanan Tropis (Journal of Tropical Fisheries Management)
Journal of Tropical Fisheries Management (JPPT) is a scientific journal that is published electronically and in print related to research results, and scientific proposals on biodiversity, fisheries biology, fish stock studies, fisheries policies, ecosystem-based fisheries management, fishing technology, fishery product utilization, trade fish, fisheries management area planning, and local wisdom in tropical fisheries management to realize sustainable fisheries resources. 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Departement of Aquatic Resources Management, Faculty of Fisheries and Marine Sciences, IPB University
After the article is submitted and published in this journal, it is fully copyrighted by the Journal of Tropical Fisheries Management. If excerpts from other copyrighted works are included, authors must obtain written permission from the copyright owner and give credit to the source in the article. Then, authors or reader is allowed to copy, share, and redistribute articles/material in any form. But it must still include the appropriate source and credit because the article in this journal is licensed by Creative Commons Attribution 4.0 International License (CC BY 4.0).
Evaluation of Operational Waste Management System at Belawan Ocean Fishing Port
Belawan Ocean Fishing Port plays a strategic role in the capture fisheries management system in western Indonesia. The high intensity of port operational activities contributes to increasing waste generation, which may adversely affect environmental quality and fisheries sustainability. This study aimed to evaluate the operational waste management system at Belawan Ocean Fishing Port and to examine its implications for fisheries management. An exploratory descriptive approach supported by quantitative estimation was applied. Data were collected through field observations, semi structured interviews with ten key informants, and document analysis of relevant regulations and official reports. Waste generation was estimated based on the number of vessels landing daily and the average waste generated per vessel. The results indicate that operational waste at Belawan Ocean Fishing Port consists of solid waste, liquid waste, and hazardous waste. The estimated daily waste generation reached approximately ±800 kg of solid waste, ±2.5 m³ of liquid waste, and ±10 liters of hazardous waste. The existing waste management system has not been standardized, as reflected by the absence of waste segregation at the source, non-operational wastewater treatment facilities, and the lack of dedicated facilities for hazardous waste handling. In addition, stakeholder awareness and community participation in waste management remain limited. This study concludes that operational waste management at Belawan Ocean Fishing Port has not been fully integrated into fishing port governance. Strengthening infrastructure, institutional capacity, and participatory approaches is therefore essential to support sustainable fisheries management in the port area.
Belawan Ocean Fishing Port; Fisheries management; Operational waste; Sustainability
Copyright (c) 2026 Jurnal Pengelolaan Perikanan Tropis (Journal of Tropical Fisheries Management) https://creativecommons.org/licenses/by-sa/4.0
Estimation of Stock Status Using CMSY Method for the Sword Prawn (Mierspenaeopsis hardwickii) in Samboja Waters, East Kalimantan
In this study, as a data-poor fish stock assessment method CMSY was used to assess the current stock status of the Sword Prawn in Samboja Waters. A total of 13 years catch data (from 2012 to 2024) was used in the analysing process of study. Estimated CMSY model parameters with confidence intervals are as folloe: r=0.47 (0.29-0.7) year-1, k=14.9 (10.1-22) ton, MSY=1.75 (1.23-2.36) ton, B2024=4.2 (0.43-5.89) ton, BMSY=7.45 (5.05-11) ton, F2024=0.28 (0.2-2.71) year-1, FMSY=0.23 (0.14-0.38) year-1, B2024/BMSY=0.56 (0.05-0.79) and F2024/FMSY=1.18 (0.84-11.4). Our study has found that sword prawn population in Samboja waters has been decline due to overfishing since 2017. Until now, regulations regarding catch quotas have not been established or implemented. Therefore, it is recommended to create regulations related to catch quotas based on research findings and reduce fishing mortality to maintain populations and prevent further biomass decline.
CMSY method; Samboja waters; fisheries management
PRODUCTIVITY OF PURSE SEINE FISHING GEAR AT PPP LABUAN, PANDEGLANG REGENCY
This research intends to assess the productivity rate of the Purse Seine fishing method at the Coastal Fishing Port (PPP) Labuan in Pandeglang Regency and to develop sustainable management approaches. A quantitative descriptive approach was used to evaluate productivity through indicators like Catch Per Unit Effort (CPUE) and Maximum Sustainable Yield (MSY). Data were obtained through observations in the field, interviews with fishermen, and recording of catches in February 2024 by the marine and fisheries office in Labuan. The results showed a decrease in CPUE from 219.11 kg/trip. The CPUE results show that Purse Seine productivity in Labuan can be said to be good, but if it continues to be left unchecked it will result in a significant decrease in certain species such as tuna and squid obtained from data released from the Labuan marine and fisheries office. Therefore, there must be steps to prevent fluctuations in the Labuan fishing sector by applying an ecosystem-based approach (EAFM) to maintain the sustainability of the marine ecosystem in the Sunda Strait.
Purse Seine, Produktivitas, CPUE, MSY, PPP Labuan
Habitat and Population Structure of Lobster from Southern of West Java
Losbter is a an important and highly economical resources on Coastal Area, in Indian Ocean, including southern part of Java. The research on there area in Pamengpeuk (Garut), South Cianjur, Ujung Genteng conducting to evaluate of habitat and distribution, water quality and population structure. The research result shown the lobster larvae dominant on coastal and near beach, and adult lobster on deeper zone than larvae, and water quality relatively good. The species dominant found are Panulirus homarus and Panulirus pennicilatus) with composition 48%:52%. The size structure in Ujung Genteng relatively growth rapidly than Cianjur and Pamengpeuk. The finding of lobster research in this area are environmental quality appropriate where P homarus and penniculatus as dominat species, with good growth rate.
Indian Ocean, Environmental Status, Distribution, Composisi and Growth
Copyright (c) 2024 Jurnal Pengeloaan Perikanan Tropis (Journal of Tropical Fisheries Management)
The Dynamics and Conflict Potential on Fish Resource Utilization in the Sawu Sea National Park: A Case Study in Rote Ndao Regency, East Nusa Tenggara
The Sawu Sea National Park (SSNP) is a critical marine conservation area that supports the sustainability of fish resources and the livelihoods of coastal communities in Rote Ndao Regency. This study aims to analyze the dynamics of fish resource utilization in the Traditional Sustainable Fisheries (TSF) sub-zone, examine actor networks and catch distribution, and identify potential conflicts and strategic issues in small-scale fisheries management. A mixed-methods approach was applied, including a quantitative survey, in-depth interviews, field observations, and spatial analysis using GIS. The findings reveal the presence of external fishers utilizing modern fishing gear within the TSF sub-zone, leading to increased exploitation pressure and rising conflict potential. Declines in CPUE, fish size, and the disappearance of particular species are early signs of overfishing. Overlapping fishing grounds among fleets exacerbate social tensions and threaten ecological sustainability. Strategic recommendations include enhanced monitoring, evidence-based adaptive zoning, participatory conflict resolution, habitat restoration, and incentives for eco-friendly fisheries. This study underscores the importance of participatory and collaborative governance approaches to ensure the sustainability of fish resources in conservation areas.
small-scale fisheries, SSNP, adaptive zoning, fisher conflicts, sustainability
Reproductive Biology Status Reproductive Biology Status of Moonfish (Mene maculata) in Palabuhanratu Bay during West Monsoon
The moonfish (Mene maculata) is a demersal fish with important ecological and economic value. The high use of pitcher fish as food fish has the potential to disrupt reproductive patterns, recruitment and stock availability of pitcher fish resources, for which information on reproductive biology is minimal during the west monsoon. This research aims to analyze the reproductive biology status of moonfish in Palabuhanratu Bay. The research period took place from September 2021 to February 2022 (representing the west monsoon), with a sample of 522 fish. Fish samples were taken using a simple random sampling method at Palabuhanratu Nusantara fishing port. The data was analysis to obtain the sex ratio, allometric growth pattern, spawning season, the reproductive potential, and the size at maturity. Results shown that the sex ratio was 1:0.76, which is dominated by male fish. Moonfish have a negative allometric growth pattern. The peak of spawning season during the study period was in September and October. Reproductive potential ranges from 11,988 to 21,164 eggs. The spawning pattern of moonfish is indicated as total spawner. The result of Spearman-Karber method analysis showed that the size of the first maturity of female and male moonfish (Lm50) was 143 mm and 150.5 mm TL, respectively. So, female moonfish mature gonads earlier than male fish.
Moonfish, Palabuhanratu Bay, reproductive potential, Spawning season
Coastal Tourism Suitability and Carrying Capacity Index in Pangandaran Beach, West Java Province
<a href="https://journal.ipb.ac.id/jurnalppt/workflow/index/64788/Pangandaran West Beach is a popular destination visited by many tourists, both local and international. This study aims to analyze the tourism suitability index and carrying capacity of the West Coast of Pangandaran, West Java, as a beach recreation-based tourist destination. This research was conducted in April 2025. The method used was direct observation to collect primary data on environmental parameters, with 5 stations spaced 636 m apart. Data analysis was conducted using the tourism suitability index and the area's carrying capacity, categorized into three main types: beach recreation, camping, and swimming. The results showed that the tourism suitability index for Pangandaran West Beach in the categories of beach recreation, camping, and swimming tourism was 97.3%, 91.7%, and 85.9%, respectively, and is classified as "very suitable." Meanwhile, the carrying capacity of the area for beach recreation activities is 340 people per day, for swimming activities is 255 people per day, and for camping activities is 1,592 people per day. This value represents the hypothetical maximum capacity of visitors that can be accommodated without harming the beach ecosystem or compromising the quality of the tourist experience.">Pangandaran West Beach is a popular destination visited by many tourists, both local and international. This study aims to analyze the tourism suitability index and carrying capacity of the West Coast of Pangandaran, West Java, as a beach recreation-based tourist destination. This research was conducted in April 2025. The method used was direct observation to collect primary data on environmental parameters, with 5 stations spaced 636 m apart. Data analysis was conducted using the tourism suitability index and the area's carrying capacity, categorized into three main types: beach recreation, camping, and swimming. The results showed that the tourism suitability index for Pangandaran West Beach in the categories of beach recreation, camping, and swimming tourism was 97.3%, 91.7%, and 85.9%, respectively, and is classified as "very suitable." Meanwhile, the carrying capacity of the area for beach recreation activities is 340 people per day, for swimming activities is 255 people per day, and for camping activities is 1,592 people per day. This value represents the hypothetical maximum capacity of visitors that can be accommodated without harming the beach ecosystem or compromising the quality of the tourist experience.
Pangandaran West Beach, tourism carrying capacity, tourism suitability, tourists
Bibliometric Analysis of Funding Aspect in the Domain of Marine Protected Area
This paper conducts a comprehensive literature review on the aspect of funding in the management of Marine Protected Areas (MPAs) using bibliometric analysis through the VOSviewer software. Indonesia, as a country with high biodiversity, heavily relies on marine ecosystems, making effective MPA management reliant on adequate funding for monitoring, surveillance, and habitat rehabilitation. International publication data were collected from Scopus (2000-2024) using the keywords "Marine + protected + area + finance", yielding 47 articles analyzed to map research trends and relationships among factors. The analysis results show an increase in studies since 2017, focusing on MPA management, sustainability, environmental protection, biodiversity, and financial aspects. Network visualization reveals strong interconnections between funding, governance, and community participation in MPA management. In conclusion, funding is a critical aspect that still requires further development through additional research.
The Boosting the Economy of Mariculture in Marine Conservation Areas to Improve the Economy of Small Islands in the Thousand Islands
Mariculture is a form of blue economy activity that has the potential to produce food supplies, employment, and long-term sustainability. Sustainability is usually determined by the quality of the habitat and environment embedded in conservation programs. The existence of conservation related to mariculture stimulates sustainability as a driver of fish biomass, a healthy environment, and high production. A study on boosting the blue economy in conservation areas is important to determine the ability of conservation to support fishery production. The study was conducted in the Seribu Islands in buffer zones and settlements where aquaculture is already developed. The results show that aquaculture activities do not yet adhere to the principles of the blue economy. In general, an increase in conservation status can increase production to a limited extent. Over 15 years of average aquaculture operations, there has been an increase in income, but it is low yet significant. Similarly, coral cover has not shown significant development, and production increases are only significant when coral cover exceeds 30%. Therefore, it can be explained that improving ecosystem quality is essential to strengthening the blue economy. Keywords: Blue Economy, Conservation, Marine Economy, Seribu Island, Small Island.
Copyright (c) 2024 Jurnal Pengelolaan Perikanan Tropis (Journal of Tropical Fisheries Management) https://creativecommons.org/licenses/by-sa/4.0
Exploring the Social-Ecological System Connectivity of a Small-Scale Coral Reef Fisheries: The Case of Ranobe Bay, Madagascar
The southwest coast of Madagascar is home to small-scale Coral Reef Fisheries (CRFs), a vital activity for livelihoods and the local economy of the fishermen community. Understanding all about the components of this CRFs, the nature of their interactions and the resulting outcomes is crucial for designing policies that promote equitable and sustainable fisheries. This research aims to apply the Social-Ecological Systems (SES) framework and network analysis to assess the SES structure and the characteristics of Ranobe Bay CRFs, Madagascar. This research was carried out from September to October 2024, requiring primary data from field observations, interviews with respondents, and secondary data from literature studies. The Socio-Ecological Network Analysis (SENA) was used to analyze the connectivity of the CRFs in this region. The research findings of the SENA results showed that this fishery is heavily centered around the fishermen's community: the Masikoro and the Vezo as the main actors of this activity. Nevertheless, according to the cluster value analysis, the findings highlight a high number of clusters showcasing a low connectivity and less compact SES structure. Ranobe Bay's CRFs' sustainability depends on fishermen's central connectivity within the network, which can be strengthened through improved policies and management to ensure effective governance.
Social-Ecological System (SES), Social-Ecological Network Analysis (SENA), Coral Reef Fisheries (CRFs), Ranobe Bay, Madagascar
Sustainable Mariculture Development in Mohéli, Comoros: Gather and analyze environmental and economic prerequisites for different types of mariculture from existing literature to develop scenarios and assess potential implications with local communities
Mariculture, or the cultivation of aquatic organisms, holds the potential of enhancing food security, income diversification, and overall economic sustainability. To ensure its growth in the long run, it has to be sustainable particularly from the perspective of local communities, economically profitable, and environmentally friendly. The aim of this paper is to assess the acceptability for the feasibility of potential mariculture development in Mohéli, Comoros, a place with no existing mariculture activity, using Multi-Criteria Decision Analysis (MCDA), scenario planning, and stakeholder preference elicitation. Interviews and focus group discussions were conducted with key stakeholders, including local fishers, lawmakers, and environmental experts, to collect data. The results of the study show that economic gain is the main driving force behind the support for mariculture in the assessed communities, but acceptability is also a function of environmental aspects. Of the many mariculture options, seaweed farming was found to be the most recommendable because of its short harvest period, minimal impact on the environment, and low costs. The study shows that there is a need for specific awareness campaigns, collaborative decision making, and strategically changing management measures to solve ecological and socio-economic problems. The present research can be helpful in this regard as it suggests a method of integrating community interests with scientific decision-making tools to develop a roadmap for the growth of sustainable mariculture while ensuring that there is harmony between social, environmental and economic aspects of development in coastal areas.
Keywords: Mariculture; Community acceptance; Sustainability; Mohéli; Multi-Criteria Decision Analysis.
Fisheries Management of Purse Seine Based on Bioeconomy Multispecies in the Sunda Strait
The Sunda Strait is one of the water areas that has great fisheries potential. Most of the fishermen who fish in the Sunda Strait land their catch at PPP Labuan, Pandeglang Regency. Purse seine is the gear with the largest production volume in Pandeglang Regency. Purse seines catch not only pelagic fish, but also demersal fish and bycatch. Therefore, it is important to analyze fisheries resource management policies using a multispecies approach. The purpose of this research is to determine the dependency relationship and optimal exploitation rate of multispecies caught by purse seines using a multispecies bioeconomic model. The species studied in this research are Fringescale sardinella (Sardinella fimbriata), Indian mackerel (Rastrelliger faughni), Mackerel tuna (Euthynnus affinis), Mackerel (Scomberomorus sp.), and Mackerel scad (Decapterus russelli). The results showed that the relationship between these species is competition and the management of purse seine fisheries has not been running optimally. The regulation of purse seine fishing effort is guided by the MEY (EMEY) fishing effort. The optimal exploitation rate is 236 trips/year. The quota for annual production is 452.87 tons/year for Fringescale sardinella (Sardinella fimbriata), 491.75 tons/year for Indian mackerel (Rastrelliger faughni), 398.68 tons/year for Mackerel tuna (Euthynnus affinis), 370.68 tons/year for Mackerel (Scomberomorus sp.), and 282.25 tons/year for Mackerel scad (Decapterus russelli).
Population Biology of Silver Barb Fish (Barbonymus gonionotus, Bleeker: 1849) in the Waters of Way Sekampung Dam, Pagelaran District, Pringsewu Regency, Lampung.
<a href="https://journal.ipb.ac.id/jurnalppt/workflow/index/64384/Silver%20barb%20fish%20(Barbonymus%20gonionotus)%20is%20a%20freshwater%20fish%20found%20in%20Indonesia;%20it%20also%20has%20high%20economic%20value%20and%20is%20widely%20caught%20by%20fishermen,%20especially%20in%20the%20waters%20of%20the%20Way%20Sekampung%20Dam.%20This%20research%20was%20conducted%20from%20September%20to%20December%202024%20and%20included%20a%20sample%20of%20417%20fish.%20The%20purpose%20of%20this%20study%20is%20to%20obtain%20information%20related%20to%20the%20biology%20of%20silver%20barb%20fish%20populations%20needed%20for%20management.%20Estimates%20of%20length-weight%20relationships,%20condition%20factors,%20growth%20parameters,%20and%20exploitation%20rates%20were%20calculated%20using%20Microsoft%20Excel%20and%20FISAT%20II.%20Results%20for%20the%20length-weight%20relationship%20were%20W%20=%200,019L2,8083%20for%20males,%20W%20=%200,0087L3,1112%20for%20females,%20and%20W%20=%200,0113L2,9982%20for%20the%20combined.%20Relative%20condition%20factors%20ranged%20from%200.8989%20to%201.4867.%20Male%20silver%20barbs%20had%20better%20condition%20than%20females.%20Von%20Bertalanffy%20growth%20parameters%20for%20male%20silver%20barb%20fish%20have%20an%20infinite%20length%20(L∞)%20=%20282,58%20mm,%20a%20growth%20rate%20(K)%20=%200,81/year,%20and%20an%20exploitation%20rate%20(E)%20=%200,07,%20which%20is%20considered%20underexploited.%20female%20silver%20barb%20fish%20have%20an%20infinitive%20length%20(L∞)%20=%20361,20%20mm%20with%20a%20growth%20rate%20(K)%20=%201,5/year,%20and%20exploitation%20rate%20(E)%20=%200,78%20which%20is%20included%20in%20over%20exploited.%20Moreover,%20for%20the%20whole%20silver%20barb,%20the%20infinite%20length%20(L∞)%20=%20378%20mm,%20the%20growth%20rate%20(K)%20=%201,4/year,%20and%20the%20exploitation%20rate%20(E)%20=%200,74,%20which%20is%20considered%20underexploited.">Silver barb fish (Barbonymus gonionotus) is one type of freshwater fish in Indonesia, besides that this fish also has high economic value and is widely caught by fishermen, especially in the waters of the Way Sekampung Dam. This research was conducted in September-December 2024, which included a sample of 417 fish. The purpose of this study is to obtain information related to the biology of silver barb fish populations needed for management. Estimates of length-weight relationship, condition factors, growth parameters, and exploitation rates were calculated using Microsoft Excel and FISAT II applications. Results related to length-weight relationship were W = 0,019L2,8083 for males; W = 0,0087L3,1112 for females; and W = 0,0113L2,9982 for combined. Relative condition factors varied from 0,8989-1,4867. Male silver barb had better condition than females. Von Bertalanffy growth parameters male silver barb fish have an infinitive length (L∞) = 282,58 mm with a growth rate (K) = 0,81/year, and exploitation rate (E) = 0,07 which is included in under exploited. female silver barb fish have an infinitive length (L∞) = 361,20 mm with a growth rate (K) = 1,5/year, and exploitation rate (E) = 0,78 which is included in over exploited. And for the whole silver barb fish has an infinitive length (L∞) = 378 mm with a growth rate (K) = 1,4/year, and an exploitation rate (E) = 0,74 which is included in under exploited.
Exploitation rate, Growth parameters, Length-weight relationship, Silver barb fish.
Reproductive Biology Study of Silver Barb Barbonymus gonionotus (Bleeker: 1849) in the Waters of Way Sekampung Dam, Pagelaran District, Pringsewu Regency, Lampung
Barbonymus gonionotus silver barb, is one type of consumer fish that has great potential to be developed. Silver barb have an important role in maintained the balance of aquatic ecosystems. In order to maintained the sustainability of silver barb resources in Way Sekampung Dam, it is necessary to analyzed the biological aspects of silver barb. This researched was conducted in September-December 2024 at Way Sekampung Dam, Pagelaran District, Pringsewu Regency, Lampung. The purpose of this study is to analyzed the biological aspects of silver barb reproduction which includes sex ratio, gonad maturity stages (GMS), gonad somatic index (GSI), fecundity, egg diameter and analyzed the type of silver barb spawning. Fish samples were obtained from one of the local fishermen who caught fish using gill nets. The sex ratio of silver barb obtained shows that male silver barb are more than female silver barb, during the study male fish amounted to 250 fish while females amounted to 167 fish. Most of the silver barb obtained are fish that have not matured gonads, namely in phases I to III, GMS IV and V are most commonly found in November and December. Based on the calculation of GSI, the percent value of GSI obtained is 0.035-13.858% for male fish and 0.155-14.269% for female fish. The fecundity of silver barb obtained an average of 47,192 eggs. The diameter of silver barb eggs was calculated and the results ranged from 0.27-0.85 mm. The results of measuring egg diameter also show a graph that has one peak, which means that silver barb in Way Sekampung dam have a total spawner type.
Reproduction, Silver Barb, Way Sekampung Dam
Analisis kebiasaan makan ikan tawes (Barbonymus gonionotus) di Perairan Bendungan Way Sekampung, Kecamatan Pagelaran, Kabupaten Pringsewu, Lampung
The freshwater ecosystem of Way Sekampung Dam in Pagelaran District, Pringsewu Regency, Lampung Province, was selected as the research site due to its fertile environment, rich biodiversity, and high potential for aquatic biota studies. Silver barb (Barbonymus gonionotus), known for their adaptability and herbivorous feeding habits, were the focus of this study, which aimed to investigate their natural food preferences as a basis for sustainable fish resource management. Although primarily herbivorous, silver barb were also known to consume supplementary food such as bran and organic waste. The research was conducted from September to December 2024. Data analysis included the Index of Preponderance (IP), niche breadth, and food overlap. Results showed that silver barb predominantly consumed plant litter and phytoplankton, specifically Gyrosigma fasciola, Rhabdonema arcuatum, Oscillatoria, and Closterium. Food overlap between male and female fish remained low throughout the study, with values of 0.1051 at the beginning and 0.0851 at the end of the sampling period. This indicated differing food preferences between sexes during the transition months. Overall, the findings highlighted how seasonal dynamics and ecological variability influenced the feeding behavior and resource use of silver barb in the Way Sekampung Dam.
Way Sekampung Dam, Silver Barb, Feeding Habits, Indeks of Preponderance
Catch, Effort and Distribution of Small Pelagic Fisheries in the Java Sea
Fisheries management area (FMA) 712 or the Java Sea is one of Indonesia's most extensively exploited waters and is renowned for its productivity as a fishing ground. The dynamics of fish resource utilization in these waters are indicative of the high complexity of the extant fisheries system, with small pelagic fish resources having been subject to exploitation through various changes in gear technology thus increasingly competitive fishing grounds. Therefore, there is a need data on current distribution and catch trend of small pelagic fisheries in the Java Sea through the use of fishery dependent data as an integral part of sustainable fisheries management. The present study utilizes fishing logbook data to analyze the status of small pelagic fish resource utilization in the Java Sea. The study utilized fishing logbook data downloaded from the database application of the Fishing Logbook Information System of the Indonesian Ministry of Marine Affairs and Fisheries, covering the period from 2018 to 2022. The subsequent processing of catch data was conducted using Microsoft Excel software, whereas the distribution of fishing areas was analyzed using QGIS tools. The analysis revealed a tendency for a decline in the catch of small pelagic fisheries for the Indian Mackerel (Rastrelliger kanagurta), Short Mackerel (Rastrelliger brachysoma), Fringescale Sardinella (Sardinella fimbriata) and Shortfin Scad (Decapterus macrosoma). Only Yellowstripe Scad (Selaroides leptolepis) showed an increased catch trend in that period. It was further observed that the fishing grounds of all fish species remained consistent on an annual basis. The Shortfin Scad fishing grounds were found to be uniformly dispersed within FMA 712, exhibiting a tendency to congregate along the Java Sea border with Borneo waters. Short Mackerel have been observed to be frequent in fishing grounds of the eastern to western Java Sea. In contrast, Indian Mackerel have been noted to be more prevalent in the waters of South Borneo and the western Java Sea. The distribution of Yellowstripe Scad fishing grounds appears to be uniform within FMA 712. Fringescale Sardinella fishing grounds have been identified as being predominantly concentrated in the western Java Sea and in Borneo waters.
Catch and Effort, Distribution, Fishing Logbook Data, Java Sea and Small Pelagic Fisheries
Production Shock Phenomenon: An Overview of (Scomberoides sp; Megalaspis sp; and Decapterus sp) Production in Sunda Strait-Indonesia
In the last decade, fishery production has decreased (production shock) due to causes such as excess effort, climate change, and implications of inappropriate policies. The consequences of the policy also increase the risk and vulnerability of fish stocks and affect food security. This research was conducted in the Sunda-Indonesia Strait in 2019 using production data, efforts, and the results of interviews with fishers in Lempasing Landing Port-Lampung. The analysis carried out included the CPUE trend as an indicator of productivity, MSY analysis, and prediction models of changes in effort patterns in 3 species of Decapterus, Scomberoides, and Megalaspis sp. The results obtained during 2010-2019 show that the three fish species' production has decreased, including efforts. Efforts to catch Decapterus decreased 27.3% per year, Scomberoide decreased efforts by 18.8% per year, and Megalaspis decreased rates of efforts by 14.32% per year. The productivity assessed from CPUE appears to be increasing, which is influenced by a decrease in the effort. Stock potential with the three species' Fox model shows an under fishing status, which means the high stock or low effort. The production that decreases during under fishing indicates a production shock due to reduced fish stocks or decreased fishing capacity. The potential for production shock can increase due to natural disasters and inappropriate policies.
Production Shock, Small Scale Fisheries, Productivity, Food Security, Fisheries Policy, Sunda Strait.
Copyright (c) 2025 Jurnal Pengelolaan Perikanan Tropis (Journal of Tropical Fisheries Management) https://creativecommons.org/licenses/by-sa/4.0
A SUSTAINABLE MANAGEMENT STRATEGIES FOR SCALLOP (Amusium pleuronectes): ECOLOGICAL AND SOCIO-ECONOMIC PERSPECTIVES
The sustainability of scallop (Amusium pleuronectes) populations in South Sulawesi faces critical challenges due to habitat degradation and overexploitation. This study assesses ecological, social, and economic dimensions of scallop fisheries across five coastal regions: Pangkep, Takalar, Barru, Sinjai, and Selayar. A total of 750 scallops were sampled, and data on shell size, habitat quality, and socio-economic reliance were collected. The findings reveal a strong correlation (r = 0.82, p < 0.05) between habitat quality and scallop size, with optimal conditions in Sinjai yielding the largest scallops (mean shell length = 11 cm). Economic analysis shows that scallops contribute up to 25% of household income in certain regions, but unsustainable harvesting practices persist due to limited community awareness. This research highlights the need for ecosystem-based management, including habitat restoration, harvesting regulations, and community engagement programs. By integrating ecological and socio-economic insights, the study provides actionable recommendations for balancing conservation and livelihoods, offering a model for sustainable marine resource management.
Analysis of Catch Per Unit Effort (CPUE) and Maximum Sustainable Yeild (MSY) Skipjack Tuna (Katsuwonus pelamis) Landed at the Kendari Ocean Fishing Port (PPS)
Ikan cakalang merupakan salah satu ikan pelagis besar yang didaratkan di Pelabuhan Perikanan Samudera (PPS) Kendari. Tujuan dari penelitian ini adalah untuk menganalisis Catch Per Unit Effort (CPUE) dan Maximmum Sustainable Yield (MSY) ikan cakalang Katsuwonus pelamis) yang didaratkan di PPS Kendari. Penelitian telah dilaksanakan pada bulan November-Desember 2023 di PPS Kendari. Data yang diperoleh di PPS Kendari tahun 2016-2022 antara lain hasil tangkapan ikan cakalang yang didaratkan, jenis alat tangkap yang digunakan, dan jumlah hasil tangkapan setiap alat tangkapnya. Metode yang digunakan dalam penelitian ini adalah metode surplus produksi. Alat tangkap yang digunakan untuk menangkap ikan cakalang yang didaratkan di PPS Kendari yaitu gillnet, hand line, pole and line, purse seine, bagan perahu, penganggkut dan lain-lain. Alat tangkap yang dijadikan sebagai alat tangkap standar yaitu pole and line. Hasil analisis nilai CPUE ikan cakalang yang didaratkan di PPS Kendari cenderung berfluktuasi CPUE tertinggi terjadi tahun 2020 yaitu sebesar 3.670 kg/trip dan nilai CPUE terendah terjadi pada tahun 2018 yaitu sebesar1.578 kg/trip. Berdasarkan Hasil analisis MSY diperoleh nilai upaya penangkapan optimum sebesar 2126 trip/tahun dan nilai tangkapan optimal sebesar 6.130.516 kg/tahun. Pemanfaatan ikan cakalang di PPS Kendari belum mencapai (overfishing) maka dapat disimpulkan bahwa upaya penangkapan ikan cakalang belum melebihi batas stok lestari yang ada pada perairan laut banda, sehingga upaya penangkapan dapat ditingkatkan untuk mendapatkan hasil yang maksimal tetapi tetap berdasar pada batas MSY yang telah diperhitungkan.
Relationship between water quality parameters and the abundance of phytoplankton in intensive vannamei shrimp farming in Situbondo, East Jawa
Optimal shrimp growth and harvest are greatly influenced by water quality as the dominant factor in influencing shrimp growth and survival. The aim of this research is to analyze the relationship between water quality and phytoplankton abundance. This research uses a survey method. Determination of stations and sampling points using the purposive sampling method. The composition of phytoplankton found in the waters of vaname shrimp ponds consists of 5 classes with a total of 9 genera, while when it is sunny the number is greater (12 genera). Bacillariophyceae dominate waters when it rains while Chlorophyceae dominate waters when it is sunny. The percentage composition of plankton species was as expected except for the Cyanophyceae group when it was sunny. The genus Rhizosolenia was found which is thought to be an indicator of eutrophication. The average value reported for phytoplankton from the three sampling stations during rain ranges between 3.06x106 - 5.48x106 ind/L. Not much different, the bright times obtained ranged from 4.03x106 - 6.61x106 ind/l. Abundance at all sampling points indicates eutrophic waters (>15000). Air quality in general is no different and meets quality standards except for nitrate and phosphate values. The temperature and brightness parameters have the highest level of relationship with plankton delivery compared to other parameters. The quality of coastal waters is positive except for pH and nitrate. The PCA results showed that there were differences in abundance between observation stations and between rainy and sunny conditions.
Abundance, Composition, Harvest, Rhizosolenia
Optimization Of Vaname Shrimp (Litopenaeus Vannamei) Ponds Using A Social Ecological System (SES) In Jatimalang Village, Purworejo Regency
Many vannamei shrimp (Litopenaeus vannamei) ponds in Jatimalang Village are not producing, despite the fact that the potential for success in the pond industry is quite strong, as evidenced by high market demand and the suitability of the area for pond construction. As a result, this research was carried out in order to identify the source of the problem and offer remedies that can be implemented using the Social Ecological System (SES) approach and the method DPSIR (Driving Forces, Pressures, State, Impacts, and Responses). According to the research, the less than optimal pond land in Jatimalang Village was caused by a variety of factors, so it was necessary to have microfinance, infrastructure provision, farmers' ability and knowledge in pond management, the formation of farmer groups, a policy of converting land into ponds, the application of WWTP, changes in farmers' lifestyles, routine monitoring of water quality, the application of pond biosecurity, and business.
Coral Reef Transplantation Towards Ecotourism on Pramuka Island
Indonesia is a country with high biodiversity. However, Indonesia also has the second highest rate of biodiversity decline in the world. Coral reef ecosystems are highly productive ecosystems that play an important role in terms of ecology and economy. One of the ecological conservation efforts that have been carried out by the community in the tourism sector on Pramuka Island is implementing the concept of ecotourism. Ecotourism is tourism with environmental and educational principles, and can be realized in natural environment restoration activities. One of the coral reef ecosystem restoration activities that has long been carried out on Pramuka Island is coral transplantation. 39% of tourists were satisfied with the concept of ecotourism. These tourists stated that the concept of ecotourism was appropriate to be applied in society, because it was considered capable of improving many sectors such as tourism and the economy, as well as improving ecological conditions for the better in a sustainable manner. There are several communities on Pramuka Island that are involved in the ecotourism sector, one of which is the Smiling Coral Indonesia (SCI) group. One of SCI's flagship programs is coral reef restoration based on sustainable tourism. Ecotourism can strengthen the community's economic sector, one of which is creating jobs. This means that ecotourism has two important roles that have good potential to be developed. Ecotourism has a positive impact on the ecosystem and is one of the community's economic resources.
Coral reef ecosystems, coral transplantation, economic development, ecotourism, sustainability
The Doses Effect of Red Spinach Leaves Extract (Amaranthus tricolor) On The Molting Success of Mandac Crab (Scylla serrata)
<a href="https://journal.ipb.ac.id/jurnalppt/workflow/index/61529/Mud crab (Scylla sp.) is a fishery commodity that has high economic value and is one of the superior fishery products. The demand for mud crabs continues to increase, so intensive cultivation efforts are needed. Mangrove crabs have high economic value. However, farmers often face problems in cultivating mud crabs, namely molting, which takes a long time, resulting in non-uniform growth. Therefore, this research aims to optimize the speed of skin turnover and uniform growth with an alternative technology for dosing spinach leaf extract, which can be applied via injection. The research method used was a Completely Randomized Design (CRD) method with 4 treatments and 3 replications. The treatments to be carried out are: P0 = (control), P1 (spinach leaf extract 3 µl/g), P2 (spinach leaf extract 5 µl/g), and P3 (spinach leaf extract 7 µl/g). Parameters observed: Daily growth rate, feed conversion ratio, molting percentage, survival rate (SR), and water quality observations. The results of the research were that the effect of giving red spinach leaf extract (Amaranthus tricolor) on the molting success of mud crabs (Scylla serrata) had a very significant effect on Daily Growth Rate (LPH), Feed Conversion Ratio (FCR), and Molting Percentage. However, it did not have a real effect on the Survival Rate (SR) of mud crabs (Scylla serrata).">Mud crab (Scylla sp.) is a fishery commodity that has high economic value and is one of the superior fishery products. The demand for mud crabs continues to increase, so intensive cultivation efforts are needed. Mangrove crabs have high economic value. However, farmers often face problems in cultivating mud crabs, namely molting, which takes a long time, resulting in non-uniform growth. Therefore, this research aims to optimize the speed of skin turnover and uniform growth with an alternative technology for dosing spinach leaf extract, which can be applied via injection. The research method used was a Completely Randomized Design (CRD) method with 4 treatments and 3 replications. The treatments to be carried out are: P0 = (control), P1 (spinach leaf extract 3 µl/g), P2 (spinach leaf extract 5 µl/g), and P3 (spinach leaf extract 7 µl/g). Parameters observed: Daily growth rate, feed conversion ratio, molting percentage, survival rate (SR), and water quality observations. The results of the research were that the effect of giving red spinach leaf extract (Amaranthus tricolor) on the molting success of mud crabs (Scylla serrata) had a very significant effect on Daily Growth Rate (LPH), Feed Conversion Ratio (FCR), and Molting Percentage. However, it did not have a real effect on the Survival Rate (SR) of mud crabs (Scylla serrata).
Density, Water Quality Suitability and Size Distribution of Pokea Clams (Batissa violacea var. celebensis, von Martens 1897) at Lasolo River Southeast Sulawesi
The pokea density and its size distribution are different in every place and time which influenced by water quality. This study aimed to determine the density and suitability of water quality, and size distribution of pokea at Lasolo River, Southeast Sulawesi. Pokea samples were collected randomly in all water segment every month for 1 year in the area of Lasolo River, North Konawe. Some samples of pokea were collected using the wide range of tangge fishing gear (traditional tool/ traditional fishing gear) as much as 6 pull times. In the process of collecting the sample of water quality, it was done simultaneously with the samples of shell. The shell density in every place and time was analyzed using the Mann-Whitney test. The preferences of pokea in water quality were analyzed using Principal Component Analysis (PCA) and Group Analysis (CA) in the package of multivariate statistical program (XLSTAT). The results of this analysis showed that the density of the middle of estuary was significantly different (higher) than its density in the initial and final regions which found upstream (lowest density) and in the estuary area, while the density of pokea was not significantly different in each month of observation. The pokea were dominantly found in small size (1.62-2.10-3.09-3.57 cm). The size of the pokea were distributed in all water segment, which were so many in May and June. The preferences habitat of pokea were the slow-flowing, high-brightness, and deep water.
Batissa violacea, clams, density, size, water quality
Ecoregional Site Study on Small Islands: A case study of the significance of flora for fisheries in the Anambas Islands
The formation of the Anambas Islands was a form of earth's surface dynamics that occurred over millions of years. In the process, there were at least eight land formations on the Sunda shelf. This evolution of the earth's surface led to the emergence of large islands on the Sunda shelf along with small islands around them. This also makes the Sundanese shelf part of the volcano's volcanic route. The Bunguran Formation was a bedrock complex that is thought to originate from deep-sea sediments of the Jurassic-Cretaceous age. The rocks are quite old, indicating that this formation was exposed to the surface and formed islands in the arc of the Anambas Islands group. All of these natural processes create a unique type of ecosystem, namely a rocky beach ecosystem, where the rocks at the study location were large rocks with cliffs on some of the coastlines. Meanwhile, sloping and protected locations allow the dust substrate to mix with sand to create a thin mud that allows mangrove forests to grow. Development in Anambas was carried out to grow the economy in this region. The Regional Government consistently develops in various fields. Some that stand out are the fisheries, tourism, and oil and gas sectors. It was believed that forests play a role in maintaining fisheries stocks on the coast, especially mangrove forests. Because of this, there was a need for a study that could display the flora profile in the Anambas Islands ecoregion. The results of the study show 23 species of flora in coastal forests and seven species of mangroves.
Feasibility of Ray Processing Business in Cilacap, Central Java
Stingrays constitute a demersal fish variety prominently distributed in Indonesia, particularly in Cilacap. The flesh of stingrays is widely consumed and undergoes various forms of processing. In Cilacap, stingrays are notably transformed into salted fish, emerging as export commodities such as fillet meat, leather crafts, bones, fins, and gills. The research conducted on stingray processing aims to assess the business feasibility in Cilacap, Central Java, spanning from March to April 2022, specifically in the Menganti Village. Primary data was garnered through interviews with 10 respondents, comprising both fishermen and stingray processors. The analysis of primary data, focusing on business feasibility, reveals that the stingray processing venture is highly viable. This is evidenced by the Break Even Point (BEP) with an average R/C ratio of 11.6, surpassing the threshold of 1.0, indicative of favorability. The Payback Period (PBP) for the investment stands at four months, with an accompanying average profit of Rp. 396,892,142.9.
Biodiversity and Vulnerability of Fisheries Resources in Berau Bay, West Papua Province
Berau Bay, located in West Papua Province, is one of Indonesia's marine areas rich in biodiversity. This aquatic ecosystem is a crucial habitat for various fish species, which hold ecological and economic value for the local communities reliant on fisheries. However, increased human activities, including intensive fishing, pollution, and climate change, pose severe threats to the sustainability of fish resources in this region. This research aims to assess the biodiversity and vulnerability levels of fish resources in the waters of Berau Bay. The methods used include field surveys, fish sampling, species identification analysis, and calculating the diversity index. The vulnerability levels of fish resources are determined by categorizing their conservation status according to the IUCN Red List. The study results indicate that Berau Bay has a relatively high level of biodiversity with low dominance. The highest biodiversity index value in Berau Bay waters is 3.35, dominated by the families Carangidae and Scombridae. The vulnerability analysis results show that 85.71% have a low vulnerability level. However, several species exhibit high vulnerability due to excessive fishing activities, pollution, and climate change. These findings emphasize the importance of implementing effective conservation measures to ensure the sustainability of fish resources in this area. Efforts to protect habitats, manage sustainable fishing practices, and educate the local community are expected to reduce vulnerability and enhance the sustainability of the Berau Bay aquatic ecosystem.
Biodiversitas, Kerentanan Sumberdaya Ikan, Konservasi Perikanan, Papua Barat, Teluk Berau
Water Quality in the Habitat of Sembilang Fish (Plotosus canius) in the Estuary of Langsa City
Sembilang Fish (Plotosus canius) is one of the fish found in estuarine waters, and it's quite popular with the community. Excessive fishing by the community causes the habitat of sembilang fish to be threatened to decrease. The purpose of this study was to determine the water quality and examine the environmental conditions of sembilang fish in the dry season and rainy season in the estuary waters of Langsa City as the basis for domestication. This study used a descriptive method by collecting water quality data at 3 research stations and collecting fish data that was taken from fishermen's catches in Langsa estuary waters. The results showed that the water quality parameters observed in the dry season and rainy season in the estuary were still in decent condition for the life and existence of sembilang fish. Season greatly affects the body weight of both male and female fish. In the dry season, the female weight ranges from 120–220 g and the male 120–240 g, while in the rainy season, the female weight ranges from 134-572 g and the male 136–260 g.
Domestication, Estuary, Sembilang Fish, Water Quality, Langsa City.
Copyright (c) 2024 Journal of Tropical Fisheries Management
Analisis Pola Pertumbuhan Ikan Ekor Kuning (Caesio cuning) Yang Didaratkan Di Kawasan Pelabuhan Ikan Muara Angke, Jakarta
Yellowtail Fusilier (Caesio cuning) is one of the fish caught by fishermen landed in Kaliadem, which is then sold at Muara Angke Fish Market, Jakarta. (Caesio cuning) has high economic value and has been widely consumed by various circles of society. This study aims to determine the heavy relationship with morphometric variation of (Caesio cuning) to obtained fish growth pattern. The collection of 30 fish samples was carried out in April 2018 with a survey method at the Muara Angke Fish Market. Morphological observations were carried out traditionally using a ruler with 0.01 mm accuracy and weighed using analytical scales with an accuracy of 0.01 gr. The analysis used for morphometric and fish weight measurement data is multiple linear regression. The results obtained that the overall morphometric character affects fish weight by 98.4%, where the morphometric characters in the mouth length (PM) have a positive effect on fish body weight with a p-value of 0.048 and coefficients of 21.843. This figure can be assumed that every time there is an addition to the mouth length of 1cm, it will increase by 21.8gr fish body weight with category positive allometric growth pattern.
Sustainability Status Analysis of Seaweed Cultivation (Eucheuma cottonii) in Barru Regency: Rap-Seaweed Modification Method
Barru Regency is one of the largest seaweed producing areas in South Sulawesi. The sustainability of seaweed cultivation is influenced by various factors, including ecological, economic, social, institutional and technological. This study aims to analyze sustainability status of seaweed cultivation in Barru Regency. The method used is Multidimensional Scaling (MDS) approach which is analyzed by RAP SEAWEED. Several parameters from each dimension were analyzed to assess existing condition of seaweed cultivation in Barru Regency. The results showed that seaweed cultivation in Barru Regency was classified as quite sustainable on social and technological dimensions and was classified as less sustainable on institutional, economic and ecological dimensions. Parameter analysis using stress, R-Square, and monte carlo values shows accuracy of model and attributes are feasible for use in analysis. The results of sustainability status analysis which are still classified as lacking need to be addressed by taking into account several attributes that have high sensitivity in leverage analysis. Evaluation of attributes for increasing sustainability score can be a basic consideration in formulating a strategy for sustainable management of seaweed cultivation in Barru Regency
Eucheuma cottonii, RAP-SEAWEED, seaweed, sustainable