Science topic

Fisheries Science - Science topic

Fisheries science is the academic discipline of managing and understanding fisheries. It is a multidisciplinary science, which draws on the disciplines of limnology, oceanography, freshwater biology, marine biology, conservation, ecology, population dynamics, economics and management to attempt to provide an integrated picture of fisheries.
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Publications related to Fisheries Science (2,396)
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Article
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The biological meaning of the parameters a and b of the empirical and in fisheries science and management omnipresent relationship Weight = a * Length b is still unclear; the depicting body size trajectory has been associated thus far with body form and with food/energy considerations. When I analyzed a 116 species large and 36 years long subset of...
Article
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The Covid-19 pandemic has caused the learning process to be hampered and cannot be carried out face-to-face. Therefore, a solution is needed for this problem. One alternative to overcome this problem is online learning. This study aims to describe the effectiveness of online learning using online media during the Covid-19 pandemic in Mathematics co...
Preprint
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Catch-and-effort data are among the primary sources of information for assessing the status of terrestrial wildlife and fish. In fishery science, elaborate stock-assessment models are fitted to such data in order to estimate fish-population sizes and guide management decisions. Given the importance of catch-and-effort data, we scoured a comprehensi...
Article
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According to Confucius (c. 551 – c. 479 bce), likely the most famous chinese philosopher and politician, “the first step in any discipline is make order among the words and their meanings”; his suggestion should also apply to fisheries science, especially in this phase of worldwide expansion but also signs of crisis and problems. The need to figure...
Article
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Scientific careers and publishing have radically changed in recent decades creating an increasingly competitive environment for early career scientists (ECS). The lack of quantitative data available on ECS in marine and fisheries sciences prevents direct assessment of the consequences of increased competitiveness. We assessed the contributions of E...
Article
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As marine resource management fields continue to move toward more inclusive and collaborative processes, it is important to also examine the value of promoting the diverse perspectives of scientists and managers from different backgrounds throughout the decision‐making process. An important objective of diversity initiatives is to acknowledge the v...
Article
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Catch efficacy and bycatch are critical factors that determine the sustainability, practicality, and profitability of fishing gears. Inshore Atlantic cod (Gadus morhua) fisheries commonly use gillnets, cod-pots, longlines and handlines. Owing to their efficiency, selectiveness, and low effort, gillnets are the most widely used gear. Gillnets howeve...
Article
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Fisheries extension professionals have been playing an important role in expanding the scientific fish culture practices in Tripura towards meeting up the growing demand for food fishes. In this perspective, it is important to study their profiles which can certainly be helpful in devising effective professional management strategies. Thus, the pre...
Chapter
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With more and more data is generated, scientists are looking for better ways to handle, organize, store, share, and protect the integrity of data. Good data documentation is critical to ensure a smooth workflow while using appropriate data management techniques to ensure data accuracy and avoid errors and misinterpretations. Proper data management...
Technical Report
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The Summer 2021 California Current Ecosystem Survey (CCES) (2107RL) was conducted by the Fisheries Resources Division (FRD) of the Southwest Fisheries Science Center (SWFSC) aboard NOAA ship Reuben Lasker (hereafter Lasker) (Fig. 1), 6 July to 15 October 2021, and augmented by data collected from the Mexican research vessel Dr. Jorge Carranza Frase...
Article
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Advances in imaging systems have facilitated the collection of high-volume imagery datasets in fisheries science. To alleviate the costs of sorting these datasets, automated image processing techniques are used. In this study, we investigate a machine learning-enabled imaging technique for automating individual fish detection from stereo image pair...
Article
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Multispecies, multigear fisheries occur in most ecosystems in the world, but are typical in tropical ecosystems and especially in emerging economies. However, much of fishery science has been developed from a single-species perspective. Management schemes based on single-species reference points often ignore the trophic link among species and the t...
Article
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Fisheries regulators have increasingly incorporated video monitoring systems, also known as electronic monitoring, into programs for fisheries data collection and documentation of bycatch. Electronic monitoring has recently emerged as one potential solution for fisheries monitoring and catch accounting in the Northeast United States, where fisherie...
Cover Page
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Appriciations in terms of awards will boost our energy to do more hard work towards the animal kind and to society. Thanks to Pashudhan Prahari, India for the Pashudhan Samridhi Gourav Ratna Award for the year 2022 for recognizing my service towards the animal kind. Surely I will keep the hope of all those who trust me with lot love and affections....
Presentation
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Applying integrated stock assessment methods to diagnose exploitation status and population variables of the Antarctic Krill. Mauricio Mardones, César A. Cárdenas, Francisco Santa Cruz, Lucas Krüger, Lorena Rebolledo. The Antarctic krill (Euphausia superba), is a key species in the Southern Ocean (SO) and constitutes one of the largest marine pop...
Article
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The simultaneous effects of human activities in the ocean and climate change have already produced a series of responses from the marine ecosystems. With the potential increment of future human activities, such as offshore renewable energy developments, proactive management is required. To facilitate effective management and conservation actions, i...
Article
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Knowing the distribution of fish larvae can inform fisheries science and resource management in several ways, by: 1) providing information on spawning areas; 2) identifying key areas to manage and conserve; and 3) helping to understand how fish populations are affected by anthropogenic pressures, such as overfishing and climate change. With the exp...
Chapter
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Aim Production is a foundational concept in fisheries science and estimates of production are good indicators of fish population fitness. We use the Metabolic Theory of Ecology as a framework to structure our account of the bioenergetics of somatic growth, reproduction and mortality: the three processes that drive production in wild freshwater fish...
Article
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Monitoring the moulting phenology of American lobsters ( Homarus americanus ) is important for maintaining sustainable lobster stocks. Changes in lobster landings can affect reproduction and disease susceptibility. Data on lobster moult indicators and on life-history traits (sex, size) were collated from a twelve-year monitoring program (2004–2015)...
Article
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Understanding fish population oscillations is important for both fundamental population biology and for fisheries science. Much research has focused on the causes of population oscillations, but the eco-evolutionary consequences of population oscillations are unclear. Here, we used an empirically parametrised individual-based simulation model to ex...
Article
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Acoustic surveys are the standard approach for evaluating many fish stocks around the world. The analysis of such survey data requires the accurate echo-classification of target species. This classification is often challenging as many organisms exhibit overlapping characteristics in terms of shape, acoustic amplitude, and behavior. In this study,...
Conference Paper
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Traditional Ecological Knowledge (TEK) is the sum of data and ideas acquired by a human group on its environment. Over the years, there has been a growing lack of confidence in centralized scientific fisheries management. Traditional ecological knowledge is recognized as a valuable tool for understanding trends in marine resources, ecosystem manage...
Article
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The Lakshadweep Islands are well-known for their abundant fishery resources. Present study primarily focused on the systematic representation of IUCN (International Union for Conservation of Nature) Red Listed marine finfish landings of Chetlat Island of Lakshadweep archipelago (India). Monthly collections were carried out from September 2019 to Fe...
Article
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Morphology and feature selection are key approaches to address several issues in fisheries science and stock management, such as the hypothesis of admixture of Caspian common carp (Cyprinus carpio) and farmed carp stocks in Iran. The present study was performed to investigate the population classification of common carp in the southern Caspian basi...
Article
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Fishery provides a multitude of benefits ranging from employment to food security. Investigating the factors affecting fishing income and the fishing environment are crucial entry points for effi ciency maximization intervention. A survey was conducted in all Woredas' adjacent to Lake Tana. Data was gathered using household survey and focus group d...
Article
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Science and technology innovation is an important driving force to promote the development of fishery industry, and is very important to improve the quality of fishery development. In this study, the Super-SBM model was used to evaluate the fishery science and technology innovation efficiency of 30 provinces and cities in China (excluding Hong Kong...
Book
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T his book has been written to meet the requirement of students aspiring for ICARAll India Entrance Exam for Admission (AIEEA) in UG, PG, and Ph.D. and other courses in the field of fisheries science. This book is also useful for the preparation for competitive exams such as Agricultural Research Scientist (ARS), Subject Matter Specialist (SMS), Fi...
Chapter
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In agricultural research, the government encourages the use of innovative technology. ICAR's research focuses on crop/livestock/fish genetic modification for high yield, quality, and climate resilience, resource conservation, and the establishment of an intelligent IT-enabled platform for technology transfer among farmers and stakeholders. ICAR dev...
Article
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Prudent predators catch sufficient prey to sustain their populations but not as much as to undermine their populations’ survival. The idea that predators evolve to be prudent has been dismissed in the 1970s, but the arguments invoked then are untenable in the light of modern evolution theory. The evolution of prudent predation has repeatedly been d...
Article
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Logbook data from commercial fisheries are a vital component in the machinery of management, including tracking the volume of catches and allocating catch spatially. At the same time, logbooks can provide a unique window into the ecological and sociological conditions in marine fisheries, where fishermen interact with marine species and environment...
Article
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Marine zooplankton are rapid-responders and useful indicators of environmental variability and climate change impacts on pelagic ecosystems on time scales ranging from seasons to years to decades. The systematic complexity and taxonomic diversity of the zooplankton assemblage has presented significant challenges for routine morphological (microscop...
Technical Report
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The Pacific Islands Fisheries Science Center conducted a climate change vulnerability assessment for six species groups in the Pacific Islands region (Giddens et al. unpublished). This data report summarizes the following assessments of each species in the coral reef species group: overall climate vulnerability rank (certainty determined by bootstr...
Technical Report
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The Pacific Islands Fisheries Science Center conducted a climate change vulnerability assessment for six species groups in the Pacific Islands region (Giddens et al. unpublished). This data report summarizes the following assessments of each species in the deep slope species group: overall climate vulnerability rank (certainty determined by bootstr...
Article
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Fisheries are complex and unpredictable; the design and use of adaptive tools to understand and manage them are therefore necessary. The social-ecological systems (SES) approach seeks to achieve an integrated understanding of fisheries to find sustainable solutions applied to real-world uncertainties. The number of SES studies has increased since t...
Article
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Indonesia, the world's largest archipelagic nation and second-largest fish producer in the world, has fisheries distinguished by a high diversity of species and with a large variety of gear and methods used to fish over expansive geographic areas. Fisheries management in Indonesia is equally complex with multiple levels of governance, decentralizat...
Article
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This essay explores shifting scientific understandings of fish and the evolution of fisheries science, and it grapples with colonialism as a system of power. We trace the rise of fisheries science to a time when Western nation-states were industrializing fishing fleets and competing for access to distant fishing grounds. A theory of fishing called...
Article
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Globally, it is estimated that around 10% of the fish that are caught are discarded. This is considered to be a wasteful human marine activity since these fish are often dead or dying. To reduce the high discard rates of commercial fisheries, the European Union (E.U.) has enacted a landing obligation that includes the ability to exempt “species for...
Article
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The information use pattern of researchers in fisheries science was studied by analyzing 10068 citations of 44 doctoral dissertations submitted at the Faculty of Fisheries Sciences in Bangladesh Agricultural University (BAU), Mymensingh during the period 1973 to June 2012. The study reveals that researchers under the study have primarily depended o...
Article
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Estuaries play a fundamental role in the renewal of fisheries resources, as they hold nurseries for many juvenile fish species. Estimating juveniles’ abundance in estuaries is therefore key to improve stock assessment models, anticipate future recruitment and prevent crises related to biomass collapse. While geostatistical methods have been widely...
Preprint
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The ecological groups (EGs) of polychaetes are used in the management and evaluation of fishing ground environments. Based on the current EGs announced by the National Institute of Fisheries Science, this study used representative classification models to analyze the differences between the classified EGs and compare the performance and characteris...
Technical Report
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Fisheries vessel cost data are an important component to economic analyses required under fishery management actions. The Social Sciences Branch (SSB) of the Northeast Fisheries Science Center (NEFSC) has collected cost information, on a voluntary basis, from commercial fishing vessel owners in the Northeast for several years through multiple initi...
Article
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The goal of Fisheries management is to produce sustainable biological, social, and economic benefits from renewable aquatic resources. Fisheries are classified as renewable because the organisms of interest (e.g., fish, shellfish, reptiles, amphibians) usually produce an annual biological surplus that with judicious management can be harvested with...
Article
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Accurate maturity schedules are critical to ensure that stock assessment models can track changes in spawning stock biomass. To generate updated maturity estimates, the Northwest Fisheries Science Center’s Fishery Resource Analysis and Monitoring Division instituted a reproductive biology program in 2009. This program uses histological analysis of...
Article
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Fisheries management has historically focused on the population elasticity of target fish based primarily on demographic modeling, with the key assumptions of stability in environmental conditions and static trophic relationships. The predictive capacity of this fisheries framework is poor, especially in closed systems where the benthic diversity a...
Article
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Paralytic shellfish toxins (PSTs) are produced mainly by Alexandrium catenella (formerly A. tamarense). Since 2000, the National Institute of Fisheries Science (NIFS) has been providing information on PST outbreaks in Korean coastal waters at one- or two-week intervals. However, a daily forecast is essential for immediate responses to PST outbreaks...
Article
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Ensuring the accuracy of age estimation in fisheries science through validation is an essential step in managing species for long-term sustainable harvest. The current study used Δ ¹⁴ C in direct validation of age estimation for queen triggerfish Balistes vetula and conclusively documented that triggerfish sagittal otoliths provide more accurate an...
Article
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A hundred years ago, on 7 November 1922, the Soviet flag was raised on the first Soviet marine research ves-sel «Persey». The creation of «Persey» and its efficient operation in the following years were a continuationof the research work, which was initiated by the activities during the Murmansk research and fishing cruisein the Barents Sea on boar...
Book
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The book is a practical guide for the various steps in the post-harvest technology of frozen shrimps. Shrimps are one of the most common and popular types of seafood consumed globally. The book discusses some of the most sought-after shrimps such as Penaeus monodon, P. vannamei, and Macrobrachium rosenbergii. Good-quality shrimp is a prerequisite f...
Article
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Background: The study of reproduction and condition are fundamental topics in fisheries science. To this aim, there are several methods including Gonadosomatic index, Condition factors (Fulton, Ricker, relative) and hepatosomatic index. These traditional methods present several drawbacks (ratio indices with variability and distribution problems; as...
Article
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Asian Fisheries Science 34(4):383–392 (2021). Invasive aquatic species may disrupt ecosystems and cause socioeconomic damage. Biosecurity protocols were developed to prevent transport and unintended introductions of invasive species, but less attention has been paid to management once they become established. The use of classical fisheries stock as...
Technical Report
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Length-weight relationships (LWRs) informations are very important in fishery science and management. The aim of this study was to estimate LWRs for 15 fish species from the Cujubim Lake, localized on the Madeira River, using conventional methods and Baysian analysis. In total, 639 individuals were captured distributed in four orders and nine famil...
Article
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Mariculture is a well-known high-risk industry. However, mariculture insurance, which is an important risk management tool, is facing serious market failure. An important reason for this market failure lies in the unsound premium rate and pricing method. Due to a lack of long-term yield data, empirical rates are often adopted, but this adoption can...
Presentation
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As an inaugural member of the AFS Climate Ambassador program, I have been provided with specialized training during the last year to improve my science communication skills, specifically involving the challenging topic of climate change. The platform I have adopted in this program is the need to improve how our fisheries are managed, ESPECIALLY in...
Conference Paper
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Fisheries science has been trying to identify the best way to analyze and predict the quantity of fish biomass and its spatial distribution since several decades without enough positive results using, among others, kirigng model, co-kiriging model, Species Distribution Modeling and Joined Species Distribution Modeling, based on conventional statist...
Preprint
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January Issue https://ojs.inidep.edu.ar/index.php/mafis/issue/view/23
Article
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The objective of the article is to present the economic and social contribution of the sedentary sector of small coastal pelagics to the Guinean economy. Data on the profitability of fishing units and post-capture activities were obtained from the National Center for Fisheries Sciences of Boussoura (CNSHB) and following field surveys from January t...
Article
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This article looks at how fisheries biologists of the early twentieth century conceptualized and measured overfishing and attempted to make it a scientific object. Considering both theorizing and physical practices, the essay shows that categories and understandings of both the fishing industry and fisheries science were deeply and, at times, inext...
Article
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O pirarucu tem relevância para o setor pesqueiro e aquícola devido suas características intrínsecas, de manejo e valoração econômica. Um dos derivados importantes é o tipo salgado seco, cujo preparo remonta a tempos ancestrais e teve poucas mudanças até os anos recentes. A compilação e análise de dados sobre a produção e os índices qualitativos des...
Technical Report
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The proliferation of operational satellite data has facilitated new capabilities for downstream data products with fisheries applications. The Alaska Fisheries Science Center and Alaska Fisheries Information Network (AKFIN) have utilized such data accessibility to streamline use of satellite sea surface temperature (SST) data. We briefly describe...
Article
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The benefits of physiological biomarkers, knowledge and concepts are well-established in fish and wildlife management as they confer the ability to understand mechanistic processes, identify cause-and-effect relationships, and develop predictive models. Although this approach is gaining momentum in the context of species conservation, the use of ph...
Book
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Biotech-KISAN Programme of the Department of Biotechnology attempts to link the available knowledge and technology with the farmers based on understanding their problems and possible solution for improving their livelihood. The present project was implemented in Sundarban area through West Bengal University of Animal and Fishery Sciences during...
Article
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Improving total factor productivity (TFP) is the source of power for high-quality development. Industrial structure optimization is an important way to improve TFP. This paper constructed an econometric model of industry structure changes impacting on TFP in the marine fisheries and conducted an empirical test and analysis. The results showed that...