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Journal articles on the topic 'Fisheries assessment'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

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1

Duplisea, Daniel E. "Eliminating implausible fisheries assessment models using fishers’ knowledge." Canadian Journal of Fisheries and Aquatic Sciences 75, no. 8 (2018): 1280–90. http://dx.doi.org/10.1139/cjfas-2017-0178.

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Peer review of competing deepwater redfish (Sebastes mentella) assessment models revealed data inconsistencies where stock biomass decline shown by the survey in the 1990s was too rapid to be explained solely by reported catch. The models invoked different techniques to achieve fits, one by changing mortality at age and the other by survey weighting. The former fitted reported catch well, while the latter accepted a mismatch between reported and estimated catch. The assessments produced different estimates of historical stock size and future productivity. Interviews conducted with fishers of t

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Prestes, Luiza, Fabiana Calacina da Cunha, Maria Gercilia Mota Soares, Marcos Sidney Brito Oliveira, Netie Izabel Oliveira, and Alexandro Cezar Florentino. "Stock Assessment: Sustainable management in high and medium Araguari River, Amapá, Brazil." Ciência e Natura 42 (June 29, 2020): e71. http://dx.doi.org/10.5902/2179460x40186.

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Fisheries in Araguari river is an alternative income for families that depend on exploitation of natural resources. This study evaluates fisheries production in high and medium Araguari river to determine the bioeconomic reference points of fishery activities. Logbooks of fisheries were used from Fishermen Colony Z-16 from 2003 to 2010. The Maximum Sustainable Yield (MSY) and Effort at Maximum Sustainable Yield (fmsy) was: MSYSchaefer = 11246 kg and fmsy = 754 fisheries/year, and MSYFox = 11478 kg and fmsy = 1214 fisheries/year and at Bioeconomic Equilibrium (Eebe) Eebe = 10712 kg and Effort a

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Bakiu, Rigers, Kristian Beqiri, Aleksandro Konomi, Athina Ziou, and Dimitrios K. Moutopoulos. "Fisheries assessment of the Albanian lagoon fisheries." Fisheries & Aquatic Life 30, no. 2 (2022): 74–84. http://dx.doi.org/10.2478/aopf-2022-0007.

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Abstract The present study uses fisher knowledge to outline the basic socio-economic framework of Albanian lagoon fisheries based on on-the-spot interviews conducted with fishers operating in the most important Albanian lagoons. The results indicated that Albanian lagoon fisheries were family-based, with spatial differences observed in vessels from the northern lagoon that were older, larger in size, with more powerful engines, and involved more persons in comparison with corresponding vessels from the southern lagoon. The results also indicated that lagoon fisheries were in decline, ageing fi

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Starr, Paul, John H. Annala, and Ray Hilborn. "Contested stock assessment: two case studies." Canadian Journal of Fisheries and Aquatic Sciences 55, no. 2 (1998): 529–37. http://dx.doi.org/10.1139/f97-230.

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We describe two case studies where scientists representing alternative interest groups worked together to attempt to resolve scientific issues of fisheries assessments. In several fisheries in New Zealand, commercial fishing interests hired consultants to review governmental assessments. In some of these fisheries, the two sides provided alternative competing assessments; in other fisheries, there was a cooperative agreed-upon assessment. In the analysis of chinook salmon (Oncorhynchus tshawytscha) within the Pacific Salmon Treaty, scientists representing all parties agreed upon an assessment

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Ilham, Gogasa, Hari Wisudo Sugeng, Sri Wiyono Eko, and . Darmawan. "Vulnerability Assessment of Small-Scale Tuna Handline Fisheries in Morotai Island District." Engineering and Technology Journal 10, no. 01 (2025): 3610–17. https://doi.org/10.5281/zenodo.14718220.

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Small-scale fisheries often face threats from various factors that have the potential to cause vulnerability and stagnation. This study aims to analyze the level of vulnerability of small-scale fisheries in Morotai Island Regency, focusing on aspects of natural resources, human, technology, social, economic and institutional. Data collection was conducted through a participatory approach, including questionnaires, interviews, and observations, and analyzed using the Likert scale method. The analysis was conducted using a Likert scale analysis approach to assess vulnerability in the six predete

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Dzantor, Selorm A., Denis W. Aheto, and Comfort O. Adeton. "Assessment of Vulnerability and Coping Livelihood Strategies of Fishermen in Elmina, Ghana." East African Journal of Interdisciplinary Studies 2, no. 1 (2020): 71–88. http://dx.doi.org/10.37284/eajis.2.1.200.

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This study assessed the vulnerability and coping livelihood strategies of fishermen within the context of declining marine fisheries in Elmina, Ghana. One hundred and fifty-five (155) fishermen were purposively selected for questionnaire interviews from January to March 2017. The results showed that most of the fishermen depended heavily on fishing as a major source of livelihood. Nonetheless, their income levels were trifled due to declining fisheries. The vulnerability index of the community proved to be significantly high. The coping livelihood strategies were largely informal, comprising f

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Bentley, Nokome. "Data and time poverty in fisheries estimation: potential approaches and solutions." ICES Journal of Marine Science 72, no. 1 (2014): 186–93. http://dx.doi.org/10.1093/icesjms/fsu023.

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Abstract The increasingly sophisticated methods developed for stock assessment are not always suited to data-poor fisheries. Data-poor fisheries are often low in value, so the researcher time available for their assessment is also small. The dual constraints of reduced data and reduced time make stock assessments for low-value stocks particularly challenging. Prior probability distributions are useful for transferring knowledge from data-rich to data-poor fisheries. When data are limited, it is important to make the most of what few data is available. However, fully understanding potential bia

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Sherman, Kenneth. "Sustaining the world's large marine ecosystems." ICES Journal of Marine Science 72, no. 9 (2015): 2521–31. http://dx.doi.org/10.1093/icesjms/fsv136.

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Abstract In this essay, I review nearly six decades of a career in marine science and fisheries considering scientific contributions, successes, failures, and changes in my field of practice. My body of work has been in plankton research to support fisheries assessments, and in ecosystems programme development and implementation. I describe my early studies on Pacific plankton oceanography in relation to fisheries assessment, and subsequent studies of plankton oceanography and fisheries in relation to coastal ocean fisheries and management. Early in my career, realizing that applications of my

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Zhang, Chang Ik, Suam Kim, Donald Gunderson, et al. "An ecosystem-based fisheries assessment approach for Korean fisheries." Fisheries Research 100, no. 1 (2009): 26–41. http://dx.doi.org/10.1016/j.fishres.2008.12.002.

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10

Gazali, Mohamad, Edwarsyah Edwarsyah, Nilam Shantica, and Salmah Salmah. "PENGELOLAAN PERIKANAN TUNA (Thunnus sp) DENGAN PENDEKATAN EKOSISTEM (STUDI KASUS DOMAIN SOSIAL EKONOMI DI PPI UJONG BAROH ACEH BARAT PROVINSI ACEH." JURNAL PERIKANAN TROPIS 4, no. 1 (2017): 57. http://dx.doi.org/10.35308/jpt.v4i1.56.

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We focused on socio-economic aspect to West of Aceh’s Fishermen. The research aims to analyze the socio-economical domain of Tuna (Thunnus sp) in fisheries management based ecosystem approach to fisheries management (Case study at PPI Ujong Baroh). The study was conducted from January – March 2016 that is located at PPI Ujong Baroh West of Aceh. The sampling method is purposive sampling through depth interview and questionnaire. Data analysis method is flag modeling techniques with the approach Multi-Criteria Analysis (MCA). The result shown that the assessment to indicate the fisheries confli

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11

Fisch, Nicholas, Angela Collins, and Edward V. Camp. "What is stock assessment?" EDIS 2021, no. 2 (2021): 5. http://dx.doi.org/10.32473/edis-fa232-2021.

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Whether you’re an angler, diver, conservationist, or just interested in fisheries, you’ve likely heard the term “stock assessment” before. What are stock assessments? How do they work? How do they inform management decisions? This publication provides information to the public and people serving in natural resource management agencies and working in outreach and Extension to show how fisheries management decisions are made.

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Panggabean, Anastasya, Siswanto Siswanto, and Sapri Sapri. "Sistem Pendukung Keputusan Pemberian Bantuan Kepada Nelayan Menggunakan Metode Simple Additive Weighting (SAW)." JURNAL MEDIA INFOTAMA 20, no. 2 (2024): 556–62. https://doi.org/10.37676/jmi.v20i2.6516.

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Department of Marine Affairs and Fisheries of Bengkulu Province is one of the government agencies in Bengkulu Province. At Department of Marine Affairs and Fisheries of Bengkulu Province there are several assistance programs from the government, one of which is the provision of assistance to fishermen which is carried out every year, and the processing of recipient data is still done manually. The decision support system for providing assistance to fishermen can assist the Department of Marine Affairs and Fisheries of Bengkulu Province in processing data on providing assistance to fishermen an

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Cadrin, Steven X., and Mark Dickey-Collas. "Stock assessment methods for sustainable fisheries." ICES Journal of Marine Science 72, no. 1 (2014): 1–6. http://dx.doi.org/10.1093/icesjms/fsu228.

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Abstract This special volume of the ICES Journal compiles contributions from the World Conference on Stock Assessment Methods for Sustainable Fisheries (July 2013, Boston, USA). The conference was the product of a strategic initiative on stock assessment methods that engaged many national and regional fishery management organizations to assure that scientists can apply the most appropriate methods when developing management advice. An inclusive workshop was designed to evaluate the performance of a variety of model categories by applying multiple models to selected case study data as well as s

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Vanderpool, Christopher K. "Social Impact Assessment and Fisheries." Transactions of the American Fisheries Society 116, no. 3 (1987): 479–85. http://dx.doi.org/10.1577/1548-8659(1987)116<479:siaaf>2.0.co;2.

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15

Conquest, Loveday L. "Stock Assessment in Inland Fisheries." Transactions of the American Fisheries Society 127, no. 1 (1998): 153–54. http://dx.doi.org/10.1577/1548-8659(199801)127:1<0153:sditsc>2.0.co;2.

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16

Brown, R. W. "Fisheries biology, assessment and management." Fisheries Research 32, no. 2 (1997): 197. http://dx.doi.org/10.1016/s0165-7836(97)90011-4.

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Kopaska, Jeff. "Drones—A Fisheries Assessment Tool?" Fisheries 39, no. 7 (2014): 319. http://dx.doi.org/10.1080/03632415.2014.923771.

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Medley, P. A., G. Gaudian, and S. Wells. "Coral reef fisheries stock assessment." Reviews in Fish Biology and Fisheries 3, no. 3 (1993): 242–85. http://dx.doi.org/10.1007/bf00043930.

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Nasrudin, Abdul Rohman, Luchiandini Ika Pamaharyani, Samsidar Samsidar, Yosep Yuswanto Tri Ananda, and Novar Kurnia Wardana. "RECOMMENDATIONS FOR FISHERIES EXTENSION STRATEGIES IN MANGROVE MANAGEMENT ON THE DIMENSIONS OF ORGANIZING FISHERIES EXTENSION IN REMBANG SUB-DISTRICT." Aurelia Journal 5, no. 2 (2023): 379. https://doi.org/10.15578/aj.v5i2.13833.

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Fisheries-marine extension in mangrove forest management in Rembang has been conducted for some time, namely in 1988 until now. The problem identified is that the results of the extension program allegedly have not been implemented optimally and have never been assessed the status of its success thoroughly and especially in its sustainability status so that a fisheries extension strategy is needed. This study aims to formulate recommendations for fisheries extension strategies in mangrove management in Rembang. The analysis method used is Multi-Dimensional Scalling (MDS) through the RAPFISH (R

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20

Dickie, L. M., S. R. Kerr, and P. Schwinghamer. "An Ecological Approach to Fisheries Assessment." Canadian Journal of Fisheries and Aquatic Sciences 44, S2 (1987): s68—s74. http://dx.doi.org/10.1139/f87-310.

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Deductions based on recent ecological information suggest that while current fishery assessment methodology has captured the main features of fishery production, it may not well anticipate the effects of early natural mortality or of major changes in fishing. We propose here a new methodology based on ecological theory related to a characteristic biomass size spectrum. Theoretical considerations coupled with empirical data on population production appear to take into account high natural mortalities at small sizes and the effects of spatial distribution on production parameters throughout the

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Arrizabalaga, Haritz, Victor R. Restrepo, Mark N. Maunder, and Jacek Majkowski. "Using stock assessment information to assess fishing capacity of tuna fisheries." ICES Journal of Marine Science 66, no. 9 (2009): 1959–66. http://dx.doi.org/10.1093/icesjms/fsp165.

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Abstract Arrizabalaga, H., Restrepo, V. R., Maunder, M. N., and Majkowski, J. 2009. Using stock assessment information to assess fishing capacity of tuna fisheries. – ICES Journal of Marine Science, 66: 1959–1966. In tuna and tuna-like fisheries, there is a need for periodic assessments of fishing capacity to aid management. However, the nature and quantity of data needed to apply conventional methodologies for estimating fishing capacity are not usually available for tuna fisheries. We discuss simple alternative approaches to estimate fishing capacity and related quantities (i.e. capacity uti

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Chen, Yong. "Quality of fisheries data and uncertainty in stock assessment." Scientia Marina 67, S1 (2003): 75–87. http://dx.doi.org/10.3989/scimar.2003.67s175.

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23

Roni, Roni Adi Samba, Ni Luh Watiniasih, and Made Ayu Pratiwi. "Pendekatan Ekosistem Pada Pengelolaan Perikanan Tongkol Skala Kecil Melalui Penilaian Domain Teknik Penangkapan Ikan Di Perairan Bali Timur." Journal of Tropical Fisheries Management 5, no. 2 (2021): 100–113. http://dx.doi.org/10.29244/jppt.v5i2.35725.

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Karangasem's fishery potential is very large due to the large distribution of small-scale cathing fisheries areas along the coastal areas of Karangasem. The purpose of this study was to see the condition of small-scale tuna fisheries through the status of the fishing domain which refers to the Ecosystem Approach Fisheries Management (EAFM). Based on the results of the calculation of the composite value, the domain status of fishing techniques in East Seraya Village obtained a score of 68.62. These results indicate that the EAFM status of the fishing technique domain in East Seraya Village is c

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Sugi, La. "Poverty in Golden Fishing: A Regulatory Impact Assessment of Fishermen Poverty in Indonesia." Policy & Governance Review 7, no. 1 (2023): 54. http://dx.doi.org/10.30589/pgr.v7i1.623.

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An area's wealth of natural resources can bring prosperity to its people. However, this is not the case with the fishermen in the Maluku Tengah Regency, Maluku, Indonesia, who live in the Golden Fishing area. For nearly 20 years, fishermen in this district have lived below the poverty line. In this study, RIA will be used to evaluate policies from the central government level to the district government level. The goal is to add to the repertoire of knowledge in the study of public policy and see the causes of this issue and alternative solutions. This field research uses a qualitative approach

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Viana, Mafalda, Luke McNally, Norman Graham, David G. Reid, and Andrew L. Jackson. "Ignoring discards biases the assessment of fisheries' ecological fingerprint." Biology Letters 9, no. 6 (2013): 20130812. http://dx.doi.org/10.1098/rsbl.2013.0812.

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Understanding the pressures of fisheries on the ecosystem is crucial for effective management. Fishery removals, or catch, are composed of both landings and discards. However, the use of discards data in studies investigating the effect of the fishing pressures is sparse. Here, we explore the individual contribution of both these catch components to the overall pressure of fisheries on the ecosystem metrics. Using Irish observer data, we compare the linear relationship between several ecological metrics calculated for landings and discards with those of catch. Our results show that in fisherie

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Jamnia, Abdul Rashid, Ahmad Ali Keikha, Mahmoud Ahmadpour, Abdoul Ahad Cissé, and Mohammad Rokouei. "Applying bayesian population assessment models to artisanal, multispecies fisheries in the Northern Mokran Sea, Iran." Nature Conservation 28 (August 13, 2018): 61–89. http://dx.doi.org/10.3897/natureconservation.28.25212.

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Small-scale fisheries substantially contribute to the reduction of poverty, local economies and food safety in many countries. However, limited and low-quality catches and effort data for small-scale fisheries complicate the stock assessment and management. Bayesian modelling has been advocated when assessing fisheries with limited data. Specifically, Bayesian models can incorporate information of the multiple sources, improve precision in the stock assessments and provide specific levels of uncertainty for estimating the relevant parameters. In this study, therefore, the state-space Bayesian

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Jamnia, Abdul Rashid, Ahmad Ali Keikha, Mahmoud Ahmadpour, Abdoul Ahad Cissé, and Mohammad Rokouei. "Applying bayesian population assessment models to artisanal, multispecies fisheries in the Northern Mokran Sea, Iran." Nature Conservation 28 (August 13, 2018): 61–89. https://doi.org/10.3897/natureconservation.28.25212.

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Small-scale fisheries substantially contribute to the reduction of poverty, local economies and food safety in many countries. However, limited and low-quality catches and effort data for small-scale fisheries complicate the stock assessment and management. Bayesian modelling has been advocated when assessing fisheries with limited data. Specifically, Bayesian models can incorporate information of the multiple sources, improve precision in the stock assessments and provide specific levels of uncertainty for estimating the relevant parameters. In this study, therefore, the state-space Bayesian

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Henly, Lauren, James E. Stewart, and Stephen D. Simpson. "Drivers and implications of change in an inshore multi-species fishery." ICES Journal of Marine Science 78, no. 5 (2021): 1815–25. http://dx.doi.org/10.1093/icesjms/fsab083.

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Abstract Inshore fisheries are an important source of employment and income across Europe. However, their sustainability and management efficacy are relatively understudied, particularly in a multispecies context. Management of these data-limited fisheries can be informed by assessments of standardized catch and landings per unit effort (CPUE and LPUE) data from fishery-dependent surveys. We demonstrate the utility of this approach in the first robust assessment of the sustainability and management of a multispecies inshore fishery for live wrasse (Labridae) in southern England. Our findings h

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Payne, Adam G., David J. Agnew, and Graham J. Pierce. "Trends and assessment of cephalopod fisheries." Fisheries Research 78, no. 1 (2006): 1–3. http://dx.doi.org/10.1016/j.fishres.2005.12.010.

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Ramos, Maribeth, Esmeralda Mendoza, Wilfredo Fajardo, Jr., and Fe Lavapie-Gonzales. "Assessment of the Tayabas Bay Fisheries." Philippine Journal of Fisheries 25, no. 1 (2018): 34–51. http://dx.doi.org/10.31398/tpjf/25.1.2017c0005.

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Anderson, Sean C., Trevor A. Branch, Daniel Ricard, and Heike K. Lotze. "Assessing global marine fishery status with a revised dynamic catch-based method and stock-assessment reference points." ICES Journal of Marine Science 69, no. 8 (2012): 1491–500. http://dx.doi.org/10.1093/icesjms/fss105.

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Abstract Anderson, S. C., Branch, T. A., Ricard, D., and Lotze, H. K. 2012. Assessing global marine fishery status with a revised dynamic catch-based method and stock-assessment reference points. – ICES Journal of Marine Science, 69: . The assessment of fishery status is essential for management, yet fishery-independent estimates of abundance are lacking for most fisheries. Methods exist to infer fishery status from catches, but the most commonly used method is biased towards classifying fisheries as overexploited or collapsed through time and does not account for still-developing fisheries. W

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Azis, Abd, Haryuna Syamsuddin, Muhammad Yusfi Yusuf, Siti Syamsuarty, Andi Rismayani, and Sainal Sainal. "Assessment of octopus fisheries management based on fishing technique domain by EAFM (ecosystem approach to fisheries management) in Tarupa Island." Tomini Journal of Aquatic Science 3, no. 2 (2022): 74–84. http://dx.doi.org/10.37905/tjas.v3i2.17015.

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The increase in the utilization of octopus fishery has made it one of the main commodities of the national fisheries sub-sector. One of the areas that make octopus the main commodity for fishing targets is located on Tarupa Island, Selayar Islands Regency. However, with the increasing market demand for octopuses, the pressure on catching octopus will increase so that it is feared that it will disrupt the octopus's own resources. This study aims to evaluate the management status of octopus fisheries on Tarupa Island using the EAFM (Ecosystem Approach to Fisheries Management) approach in the dom

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Lee, Seung-Hyun, Su-Hyung Kim, Kyung-Jin Ryu, and Yoo-Won Lee. "Quantitative risk assessment of industrial accidents among fishermen in purse seine fisheries." Fisheries and Aquatic Sciences 28, no. 3 (2025): 191–202. https://doi.org/10.47853/fas.2025.e17.

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Edgar, Graham J., Amanda E. Bates, Nils C. Krueck, Susan C. Baker, Rick D. Stuart-Smith, and Christopher J. Brown. "Stock assessment models overstate sustainability of the world’s fisheries." Science 385, no. 6711 (2024): 860–65. http://dx.doi.org/10.1126/science.adl6282.

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Effective fisheries management requires accurate estimates of stock biomass and trends; yet, assumptions in stock assessment models generate high levels of uncertainty and error. For 230 fisheries worldwide, we contrasted stock biomass estimates at the time of assessment with updated hindcast estimates modeled for the same year in later assessments to evaluate systematic over- or underestimation. For stocks that were overfished, low value, or located in regions with rising temperatures, historical biomass estimates were generally overstated compared with updated assessments. Moreover, rising t

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Maunder, Mark N., and Kevin R. Piner. "Contemporary fisheries stock assessment: many issues still remain." ICES Journal of Marine Science 72, no. 1 (2014): 7–18. http://dx.doi.org/10.1093/icesjms/fsu015.

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Abstract Interpretation of data used in fisheries assessment and management requires knowledge of population (e.g. growth, natural mortality, and recruitment), fisheries (e.g. selectivity), and sampling processes. Without this knowledge, assumptions need to be made, either implicitly or explicitly based on the methods used. Incorrect assumptions can have a substantial impact on stock assessment results and management advice. Unfortunately, there is a lack of understanding of these processes for most, if not all, stocks and even for processes that have traditionally been assumed to be well unde

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Sutaman, Sutaman, Yusli Wardiatno, Mennofatria Boer, and Fredinan Yulianda. "Assessment of Sustainable Use of Coastal Resources of Regional Waters Conservation Area Biak Numfor Regency, Papua Province, Indonesia." ILMU KELAUTAN: Indonesian Journal of Marine Sciences 22, no. 2 (2017): 75–84. http://dx.doi.org/10.14710/ik.ijms.22.2.75-84.

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Efforts to exploit fish resources optimally, continuous and sustainable is an urgent demand for the greatest prosperity of the people, especially to improve the welfare of fishermen and fish farmers. The level of sustainable use of coastal resources in water conservation is very important, so that the utilization does not exceed the carrying capacity of the environment. The purpose of this study was to determine the level of sustainable use of coastal resources Biak Numfor, associated with the utilization of fisheries, aquaculture and tourism. The study was conducted in June to December 2015 a

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R. Soobhug, Et al. "An Assessment of Coastal and Bank fisheries in Mauritius: Analysis of CPFD Trends." International Journal on Recent and Innovation Trends in Computing and Communication 11, no. 9 (2023): 4284–88. http://dx.doi.org/10.17762/ijritcc.v11i9.9884.

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Marine capture fisheries are crucial for food security and economic stability, yet they confront escalating threats from anthropogenic activities and climate change. This study focuses on the coastal and bank fisheries of the Republic of Mauritius, a Small Island Developing State (SIDS) which is highly reliant on fisheries. We analyze a decade of catch data sourced from the Ministry of Blue Economy, Marine Resources, Fisheries, and Shipping, by studying catch composition and trends in Catch Per Fisherman Day (CPFD). Our analysis reveals intriguing patterns in CPFD across different regions. Coa

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Avadí, Angel, and Pierre Fréon. "Life cycle assessment of fisheries: A review for fisheries scientists and managers." Fisheries Research 143 (June 2013): 21–38. http://dx.doi.org/10.1016/j.fishres.2013.01.006.

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Ogiy, O. G. "Integrated assessment of digital transformation of key sectors of the fisheries economy." Trudy VNIRO 198, no. 1 (2025): 148–59. https://doi.org/10.36038/2307-3497-2024-198-148-159.

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The purpose: to perform an integrated assessment of the digital transformation of the fisheries complex, to evaluate the capabilities and contribution of the main sectors of the industry economy and fisheries basins in this process. Methods used: the information base of the study consisted of statistical materials and reports of enterprises on the use of digital technologies. The main methods of the study were the indicator assessment based on the calculations of original subindices and the consolidated index of digital transformation; comparative analysis and comparison with the indicators an

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Hoff, Ayoe, Hans Frost, Clara Ulrich, et al. "Economic effort management in multispecies fisheries: the FcubEcon model." ICES Journal of Marine Science 67, no. 8 (2010): 1802–10. http://dx.doi.org/10.1093/icesjms/fsq076.

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Abstract Hoff, A., Frost, H., Ulrich, C., Damalas, D., Maravelias, C. D., Goti, L., and Santurtún, M. 2010. Economic effort management in multispecies fisheries: the FcubEcon model. – ICES Journal of Marine Science, 67: 1802–1810. Applying single-species assessment and quotas in multispecies fisheries can lead to overfishing or quota underutilization, because advice can be conflicting when different stocks are caught within the same fishery. During the past decade, increased focus on this issue has resulted in the development of management tools based on fleets, fisheries, and areas, rather th

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Ha, Vu Viet. "BÀN VỀ ĐIỀU TRA NGHỀ CÁ THƯƠNG PHẨM Ở BIỂN VIỆT NAM". Tạp chí Khoa học và Công nghệ Biển 18, № 1 (2018): 52–59. http://dx.doi.org/10.15625/1859-3097/18/1/8663.

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In fish stock assessment, two approaches have been used to collect data: Fisheries independent survey and fisheries survey. Fisheries independent survey provides scientific information on species composition, catch rate, density, distribution, standing stock biomass and biological information of certain species while fisheries survey supplies primary data for a wide variety of statistical analysis of fisheries performance. In Vietnam, fisheries survey was first developed by project “Assessment of the Living Marine Resources in Vietnam” with the support of DANIA since 1998 as the pilot study in

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Shapen, Kuanysh, Mars Gabbassov, Aigerim Rakhymova, and Aibek Kasymkhanov. "MATHEMATICAL MODELING OF FISH RESOURCES ASSESSMENT." Journal of Mathematics, Mechanics and Computer Science 123, no. 3 (2024): 147–56. http://dx.doi.org/10.26577/jmmcs2024-v123-i3-12.

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In the field of fisheries, one of the key tasks is to determine the total and commercial stocks of fish resources in a water body, as well as to establish the maximum allowable catch of fish to maintain the sustainability of the ecosystem. Mathematical models play an important role in this process, providing effective resource management and predicting fish population dynamics, which ensures the sustainable development of fisheries and the protection of aquatic ecosystems from depletion. The aim of this study is to develop a new mathematical model for assessing changes in fish resource stocks

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He, Juan. "A Jurisdictional Assessment of International Fisheries Subsidies Disciplines to Combat Illegal, Unreported and Unregulated Fishing." Sustainability 14, no. 21 (2022): 14128. http://dx.doi.org/10.3390/su142114128.

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Fisheries subsidies regulation lies at the intersection of international fisheries and international trade governance regimes. Although eradicating harmful fisheries subsidies cannot be a panacea for illegal, unreported and unregulated (IUU) fishing, it is an essential first step to confront the problem head-on. The multilateral Agreement on Fisheries Subsidies, adopted by the World Trade Organization (WTO) in June 2022, provides an impetus for sovereign states to steer fisheries subsidies reform towards commonly agreed legality, sustainability and transparency benchmarks. This legal and polic

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Sulistyowati, Beta Indi, M. Mukhlis Kamal, Yonvitner, and Irfan Yulianto. "ASSESSMENT ON GROUPER FISHERIES WITH ECOSYSTEM APPROACH TO FISHERIES MANAGEMENT IN KARIMUNJAWA NATIONAL PARK." Coastal and Ocean Journal (COJ) 2, no. 1 (2018): 41–56. http://dx.doi.org/10.29244/coj.2.1.41-56.

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Groupers are member of family Serranidae that plays important role in ecology of coral reefs ecosystem as top level predators.Economically, groupers are targets species for their high economic values.Based on statistics data for Karimunjawa fisheries during 2010 to 2014 it is shown a decline in capture of groupers. This implies to the demand of better management. This study dealt with the appraisal of the groupers fisheries in Karimunjawa based on indicators assessment of the Ecosystem Approach Fisheries Management (EAFM). EAFM approach uses comprehensively both ecological, socio-economics as

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Rumagia, Faizal, Mennofatria Boer, Rahmat Kurnia, and Mohammad Mukhlis Kamal. "Sustainability Development Index of Reef Fisheries in Indonesia: A Case Study of Reef Fisheries at Ternate Island, North Maluku Province." Omni-Akuatika 19, no. 1 (2023): 15. http://dx.doi.org/10.20884/1.oa.2023.19.1.731.

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Increasing of the fisheries problems, especially the decline of fisheries resources stock, made the sustainable issues become intense discussed in fisheries. The importance of the system indicator for fisheries sustainable development are widely known and have been done in several countries through tremendous effort in their fisheries development. In Indonesia, the assessment of fisheries sustainability has been carried out with various approaches to sustainability assessment, mostly on management status. This study aims to assess the rate of sustainable development and management of the reef

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Fox, CH, C. Robertson, PD O’Hara, R. Tadey, and KH Morgan. "Spatial assessment of albatrosses, commercial fisheries, and bycatch incidents on Canada’s Pacific coast." Marine Ecology Progress Series 672 (August 19, 2021): 205–22. http://dx.doi.org/10.3354/meps13783.

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Fisheries bycatch mortality poses a primary threat to the majority of the world’s 22 albatross species, 15 of which are at risk of extinction. Although quantitative estimates of albatross bycatch are often unavailable due to a relative or total absence of monitoring, spatial overlap between fisheries and albatrosses is often used to estimate the extent of interaction, a proxy for exposure to bycatch, and to inform avoidance and mitigation actions. Using comprehensive records of commercial demersal longline and trap fishing and survey information for albatrosses (black-footed albatross Phoebast

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Kuparinen, Anna, Samu Mäntyniemi, Jeffrey A. Hutchings, and Sakari Kuikka. "Increasing biological realism of fisheries stock assessment: towards hierarchical Bayesian methods." Environmental Reviews 20, no. 2 (2012): 135–51. http://dx.doi.org/10.1139/a2012-006.

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Excessively high rates of fishing mortality have led to rapid declines of several commercially important fish stocks. To harvest fish stocks sustainably, fisheries management requires accurate information about population dynamics, but the generation of this information, known as fisheries stock assessment, traditionally relies on conservative and rather narrowly data-driven modelling approaches. To improve the information available for fisheries management, there is a demand to increase the biological realism of stock-assessment practices and to better incorporate the available biological kno

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Hartzler, James R. "Catchable Trout Fisheries: The Need for Assessment." Fisheries 13, no. 2 (1988): 2–8. http://dx.doi.org/10.1577/1548-8446(1988)013<0002:ctftnf>2.0.co;2.

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GUAN, Wenjiang, Siquan TIAN, Jiangfeng ZHU, and Xinjun CHEN. "A review of fisheries stock assessment models." Journal of Fishery Sciences of China 20, no. 5 (2013): 1112–20. http://dx.doi.org/10.3724/sp.j.1118.2013.01112.

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Hatfield, Emma. "Fisheries Biology, Assessment and Management, 2nd edn." Fish and Fisheries 10, no. 1 (2009): 112–13. http://dx.doi.org/10.1111/j.1467-2979.2008.00317.x.

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