Relevant bibliographies by topics / Fishing vessels

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Fishing vessels'

Author: Grafiati
Published: 4 June 2021
Last updated: 31 May 2022

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Journal articles on the topic "Fishing vessels"

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Luhulima, Richard B. "PENGEMBANGAN KAPAL PERIKANAN TRIMARAN: KAJIAN MENGENAI KEBUTUHAN TENAGA KAPAL, KEAMANAN DAN KENYAMANAN." ALE Proceeding 4 (August 17, 2021): 37–43. http://dx.doi.org/10.30598/ale.4.2021.37-43.

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In general, the fishing fleets operating in Maluku waters are consisted of monohull and trimaran vessels with outriggers managed by local entrepreneurs. Monohull fishing vessels have limited deck space and low transverse stability, whereas trimaran fishing vessels have more deck space and greater transverse stability than monohull fishing vessels, but space is still limited due to their outrigger shape. This study aimed to analyze the development of the trimaran fishing vessel in terms of energy requirements, safety and comfort of the crew during fishing operations. At the beginning of this research, data analysis was undertaken and the basic size of monohull fishing vessels operating in Maluku waters, from this data the shape of the trimaran hull was then designed. Resistance was calculated using CFD, and then the resistance, stability, safety, and comfort of the ship were examined using Maxsurf. The trimaran vessel’s barrier was 8.86% smaller than a monohull and 3.25% smaller than a catamaran. Trimaran vessels consumed more energy than other vessel types. The average trimaran period was 10.5 seconds which met IMO standards and was declared as operationally good.
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Ekmekci, Betül, and Vahdet Ünal. "Analysis of the second generation buy-back program for fishing vessels in Turkey." Vol:36 Issue:3 36, no. 3 (September 15, 2019): 229–43. http://dx.doi.org/10.12714/egejfas.2019.36.3.04.

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Many implementations are put into practice on the national and international scale for the purpose of enabling the sustainable use of living marine resources. The Ministry of Food, Agriculture and Livestock published a notification in 2012 and the buy-back program for fishing vessels was initiated to keep the balance between the fish stocks and fishing capacity, prevent overfishing and enable sustainable fishing. While 12 m and larger vessels were considered in the first program, length of the vessels was reduced 10 m in the second. The aim of this study is to reveal the results of the related program. A telephone interview was applied to the owners of 207 fishing vessels determined through the stratified sampling method among 446 fishing vessels in 2014. In the 2nd program, 446 fishing vessels were withdrawn from the fleet by paying 51 million TL in total. Mostly the buy-back of the fishing vessels with the length of 10-20 meters (440 vessels) was carried out, and the fishing vessels with the length of 21-30 meters (6 vessels) were bought back at the least. Most of the vessels (44%) were from the Marmara and the least was from the Mediterranean Regions (19%). Only 9% of the vessels bough-back was trawl or purse seine vessels. It was found that 28% of vessel owners have a second vessel and gave the inactive or unprofitable vessels they had to the buy-back program. Furthermore, 62% of the individuals who gave their vessels stated that they will continue working in the fishing industry, and 27% of respondents stated that they will buy a new fishing vessel. As a result; buy-back program is one of the most important management implication of fisheries management authority in recent years. However, it should be considered by the managers that the large vessel owners have not shown interest in the program. One of every four fishermen giving his vessel is also a second vessel owner, and he gives his inactive vessel to the program, and the fishers have a similar tendency to buy a second vessel with the money they receive from the program. However, it is the basic approach that should be taken into account by the fisheries management authority to take advantage of relevant global experiences to ensure the highest possible benefit from the buy-back programs. This approach should at least be followed in future buy-back programs.
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Kim, Su-Hyung, Chun-Ki Lee, and Yang-Bum Chae. "Prediction of Maneuverability in Shallow Water of Fishing Trawler by Using Empirical Formula." Journal of Marine Science and Engineering 9, no. 12 (December 6, 2021): 1392. http://dx.doi.org/10.3390/jmse9121392.

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The length between perpendiculars (LBP) of most fishing vessels is less than 100 m. Thus, they are not subject to the International Maritime Organization (IMO) maneuverability standards, affecting research on maneuverability. However, upon referencing the statistics of marine accidents related to vessel maneuvering, the number of marine accidents caused by fishing vessels is 3 to 5 times higher than that of merchant ships. Therefore, systematic and consistent research on the maneuverability characteristics of fishing vessels is surely required. In particular, a fishing vessel frequently enters and departs from the same port and often sails at high speed due to familiarity with the characteristics of the situation, which may cause maneuvering-related accidents. In this study, the maneuverability of a fishing vessel in shallow water was predicted using an empirical formula. The results of this study are expected to not only be of great help in conducting simulations when analyzing marine accidents involving fishing vessels, but will also provide unique parameters of fishing vessels that lead to developing autonomous vessels.
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Abrahams, M. V., and M. C. Healey. "Variation in the Competitive Abilities of Fishermen and its Influence on the Spatial Distribution of the British Columbia Salmon Troll Fleet." Canadian Journal of Fisheries and Aquatic Sciences 47, no. 6 (June 1, 1990): 1116–21. http://dx.doi.org/10.1139/f90-129.

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We estimated the catch rates of individual fishing vessels within the British Columbia salmon troll fleet from the data of a 7-yr log book program. Catch rates varied considerably among vessels. A portion of the variation could be attributed to environmental variation. However, there were also significant differences in competitive ability among vessels. The top ranked vessels had a catch rate 3.6 times that of the lowest ranked vessels. Top ranked vessels distributed their fishing effort among more fishing areas than bottom ranked vessels, but were also more successful at catching fish when fishing in the same areas as bottom ranked vessels. This information, through an application of the ideal free distribution theory, can be used to develop a model that will describe the expected relationship between vessel distribution, vessel catch rate, and fish distribution, potentially allowing vessel distributions to be used as a tool for assessing fish stocks.
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Ulrich, Clara, and Bo Sølgaard Andersen. "Dynamics of fisheries, and the flexibility of vessel activity in Denmark between 1989 and 2001." ICES Journal of Marine Science 61, no. 3 (January 1, 2004): 308–22. http://dx.doi.org/10.1016/j.icesjms.2004.02.006.

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Abstract Danish fishing vessels can be characterized by their diversity of fishing practice in terms of fishing gear and target species, and by their operational flexibility in respect of these fishing practices throughout the year. We describe the temporal fluctuations in this flexibility by following the activity of individual fishing vessels between 1989 and 2001. Initially, a typology of fisheries (classification of fishing trips) and vessel groups (classification of fishing vessels) was established through multivariate analyses of catch and effort data for 1999. In all, 54 fisheries and 25 vessel groups were identified. These typologies were then applied to all data for the whole time period, and the dynamics of fisheries and vessel groups investigated. The dynamics of vessels groups are studied both within groups (main and secondary fisheries, changes in activity patterns) and between groups (tracking of vessels shifting between groups). Results show average stability of vessel activity in terms of the main fishery, along with a great diversity of secondary fisheries and some possibilities for shifting between gears and areas. We conclude that the level of technical interactions is high, and that separation into distinct management units is difficult.
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Amalia, Siti Dian. "AN ANALYSIS ON FISHERY CAPTURE LICENSING TOWARD THE REGISTRATION AND MARKING OF FISH-TRANSPORTING VESSELS WITHIN THE SOUTH KALIMANTAN PROVINCE AUTHORITY." TROPICAL WETLAND JOURNAL 3, no. 3 (November 15, 2017): 18–23. http://dx.doi.org/10.20527/twj.v3i3.54.

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This study aimed to (1) identify the distribution of fish-transporting vessels under the authority of South Kalimantan Province; (2) to analyze the causes of unregistered and unmarked fish-transporting vessels within the provincial authority; and (3) to analyze the causes of fishery capture licensing that continues to run without a Fishing Vessel Book (Buku Kapal Perikanan – BKP). This research activity was conducted at the Banjarmasin Fishing Port, Pelambuan Village, Banjarmasin Barat District, Banjarmasin City, South Kalimantan, with the fish-transporting vessel’s owners within the South Kalimantan authority as the research object. The data collected were the data sourced directly from the observation result in the research location, and other supporting data related to the research object. The results showed that the spreading of fish-transporting vessels that land their cargo at the Banjarmasin Fishing Port were found in Kotabaru Regency, Tanah Bumbu Regency, Tanah Laut Regency, Banjar Regency, Barito Kuala Regency, and Banjarmasin City. Based on the data, there are 183 fish-transporting vessels within South Kalimantan Province authority, but only 42 vessels or 23% ships that are registered as fishing vessels. While for the marking of the vessels, 100% have not carried out marking as fishing vessels. This is due to the unavailability of a standard BKP and the lack of understanding from the vessel owners. The Licensing of Fishery Capture in the form of SIUP and SIKPI is still issued by BPTSP using only recommendation from Department of Fisheries and Maritime Affairs of South Kalimantan Province. The registration and marking of fish-transporting vessels of South Kalimantan Province Authority are not optimal due to the unavailability of a standard BKP that can be used as collateral so that a policy is needed from the local government in terms of budgeting funds for the procurement of BKP so that fish-transporting vessels in South Kalimantan Province can be registered and marked as Indonesian fishing vessels.
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Snapir, Boris, Toby Waine, and Lauren Biermann. "Maritime Vessel Classification to Monitor Fisheries with SAR: Demonstration in the North Sea." Remote Sensing 11, no. 3 (February 11, 2019): 353. http://dx.doi.org/10.3390/rs11030353.

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Integration of methods based on satellite remote sensing into current maritime monitoring strategies could help tackle the problem of global overfishing. Operational software is now available to perform vessel detection on satellite imagery, but research on vessel classification has mainly focused on bulk carriers, container ships, and oil tankers, using high-resolution commercial Synthetic Aperture Radar (SAR) imagery. Here, we present a method based on Random Forest (RF) to distinguish fishing and non-fishing vessels, and apply it to an area in the North Sea. The RF classifier takes as input the vessel’s length, longitude, and latitude, its distance to the nearest shore, and the time of the measurement (am or pm). The classifier is trained and tested on data from the Automatic Identification System (AIS). The overall classification accuracy is 91%, but the precision for the fishing class is only 58% because of specific regions in the study area where activities of fishing and non-fishing vessels overlap. We then apply the classifier to a collection of vessel detections obtained by applying the Search for Unidentified Maritime Objects (SUMO) vessel detector to the 2017 Sentinel-1 SAR images of the North Sea. The trend in our monthly fishing-vessel count agrees with data from Global Fishing Watch on fishing-vessel presence. These initial results suggest that our approach could help monitor intensification or reduction of fishing activity, which is critical in the context of the global overfishing problem.
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Hall, Terrence A. "Stability of Capsized Fishing Vessels During Dive Rescue Operations." Marine Technology and SNAME News 34, no. 03 (July 1, 1997): 155–80. http://dx.doi.org/10.5957/mt1.1997.34.3.155.

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With numerous capsizings of smaller vessels (primarily fishing vessels) each year along the west coast of Canada and the inherent risk to rescue divers who must enter these inverted hulls to extract victims, Transport Canada initiated an investigation to determine whether the relative stability of capsized vessels could be gauged by first response personnel, thereby assisting them in determining whether supplementary buoyancy or other stabilizing measures be taken prior to committing a diver to the hull. This paper addresses the findings of the investigation, including criteria for gauging a capsized vessel's stability, the effectiveness of various stabilizing methods and recommended procedures for first response personnel and divers when undertaking a rescue involving a capsized vessel.
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Kim, Su-Hyung, and Chun-Ki Lee. "Estimation of Maneuverability of Trawl Fishing Vessel Using an Analytical Method." Journal of Marine Science and Engineering 9, no. 8 (August 8, 2021): 854. http://dx.doi.org/10.3390/jmse9080854.

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Most fishing vessels are less than 100 m in length between the perpendiculars, for which adherence to the International Maritime Organization maneuverability standards are not mandatory. In the design stage of fishing vessels, maneuverability is estimated using empirical formulas—mainly analytical methods—rather than costly and time-consuming model tests. However, the empirical formula is developed through the process of regression analysis on the model test results from merchant ships’ hull form and applying the same to the fishing vessels’ hull form may result in an estimation error due to the differences in the vessels’ characteristics—e.g., L/B, B/d and Cb·B/L—. In a previous study, the authors of this paper derived a modified empirical formula by adding the hull form parameters of trawl fishing vessels to the existing empirical formula based on those of merchant ships. This study analyzes the validity of the modified empirical formula in depth by applying it to a newly-built training vessel that has the hull form of a trawl fishing vessel. As a result of the study, the estimation results were improved by including the parameters of the hull form of trawl fishing vessels in the empirical formula developed for merchant ships.
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Min'ko, Viktor. "MARINE FISHERIES AND SAFETY." Fisheries 2020, no. 6 (December 7, 2020): 111–13. http://dx.doi.org/10.37663/0131-6184-2020-6-111-113.

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The problem of choosing a fishing vessel is considered. Statistical data from various countries are presented, confirming the increased level of professional risk for members of the crews of small vessels. A relation that relates the frequency of fatal accidents among fishermen with the displacement of fishing vessels is obtained. The necessity of increasing the level of safety of the solutions used in the design of fishing schemes, fishing equipment and fishing gears is indicated.
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Dissertations / Theses on the topic "Fishing vessels"

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Jones, Emrys. "Adaptive roll stabilisation of fishing vessels." Thesis, University of Newcastle Upon Tyne, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.580676.

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The objective of the project was to develop an improved form of passive free-surface anti- roll tank, as commonly fitted to many fishing boats. By adding a flow control system to the tank fluid it was intended that the stabiliser would be able to adapt to changes in the ship roll period and loading conditions, in addition to compensating for deficiencies in the tank length or filling depth. The initial control strategy involved a bi-flow scheme, whereby the fluid would flow intermittently at long roll periods and flow continuously but with damped motion at short roll periods. Sea trials of the prototype stabiliser mechanism identified problems with both control methods, which were subsequently combined into an amalgamated form. The final control algorithm used dynamic models of both the ship roll and fluid distribution to evaluate the work done against the roll by variously damped fluid flow. A simulation of the stabilised ship in irregular waves verified the theoretical basis of the method. Although the adaptive stabiliser was primarily developed for free-surface tanks it could be equally well applied to U-tube designs by using air valves to modify the fluid damping.
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Pillay, Anand. "Formal safety assessment of fishing vessels." Thesis, Liverpool John Moores University, 2001. http://researchonline.ljmu.ac.uk/4916/.

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Sá, Tiago João Cunha. "Potential of incorporating ocean currents in fishing vessels." Master's thesis, Universidade de Aveiro, 2015. http://hdl.handle.net/10773/15748.

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Mestrado em Ciências do Mar e das Zonas Costeiras
The fishing sector has been suffering a strong setback, with reduction in fishing stocks and more recently with the reduction of the fishing fleet. One of the most important factors for this decrease, is related to the continuous difficulty to find fish with quality and quantity, allowing the sector work constantly all year long. However other factors are affecting negatively the fishing sector, in particular the huge maintenance costs of the ships and the high diary costs that are necessary for daily work of each vessel. One of the main costs associated with daily work, is the fuel consumption. As an example, one boat with 30 meters working around 17 hours every day, consumes 2500 liters of fuel/day. This value is very high taking into account the productivity of the sector. Supporting this premise was developed a project with the aim of reducing fuel consumption in fishing vessels. The project calls “ShipTrack” and aims the use of forecasts of ocean currents in the routes of the ships. The objective involves the use of ocean currents in favor, and avoiding ocean currents against, taking into account the course of the ship, in order to reduce fuel consumption and increase the ship speed. The methodology used underwent the creation of specific Software, in order to optimize routes, taking into account the forecasts of the ocean currents. These forecasts are performed using numerical modelling, methodology that become more and more important in all communities, because through the modeling, it can be analyzed, verified and predicted important phenomena to all the terrestrial ecosystem. The objective was the creation of Software, however its development was not completed, so it was necessary a new approach in order to verify the influence of the ocean currents in the navigation of the fishing ship "Cruz de Malta". In this new approach, and during the various ship routes it was gathering a constant information about the instant speed, instantaneous fuel consumption, the state of the ocean currents along the course of the ship, among other factors. After 4 sea travels and many routes analyzed, it was possible to verify the influence of the ocean currents in the Ship speed and in fuel consumption. For example, in many stages of the sea travels it was possible to verify an increase in speed in zones where the ocean currents are in favor to the ships movements. This incorporation of new data inside the fishing industry, was seen positively by his players, which encourages new developments in this industry.
O sector pesqueiro tem vindo a sofrer um forte revés, com a redução dos stocks de pesca e mais recentemente com a diminuição da frota de pesca. Um dos principais fatores mais importantes para esta diminuição está relacionado com a contínua dificuldade em encontrar peixe com qualidade e em quantidade, permitindo ao setor trabalhar constantemente durante todo o ano. No entanto, outros fatores estão a afetar negativamente o setor pesqueiro, nomeadamente, os grandes custos de manutenção das embarcações e os elevados custos diários que são necessários para o trabalho de cada embarcação. Um dos principais custos associados ao trabalho diário é o consumo de combustíveis. Como exemplo, uma embarcação com 30 metros de comprimento e que trabalha cerca de 17 horas diárias consome cerca de 2500 litros de combustível por dia, valor muito alto tendo em conta a produtividade do setor. Suportando esta premissa foi desenvolvido um projeto com o objetivo de reduzir o consumo de combustível por parte das embarcações pesqueiras. Este projeto chama-se “ShipTrack”, e tem como finalidade a utilização de previsões de correntes marítimas nas rotas efetuadas pelas embarcações. O objetivo envolve um aproveitamento das correntes a favor e evitar correntes contra, tendo em conta o rumo do barco, de forma a diminuir consumos de combustíveis e aumentar velocidades de navegação. A metodologia utilizada passou pela criação de um Software específico, de forma a otimizar rotas tendo em conta a previsão das correntes oceânicas. Estas previsões são realizadas com recurso à modelação, mecanismo que tem cada vez mais importância em todas as comunidades, pois através da modelação, podemos prever, antecipar e verificar fenómenos importantes para todo o ecossistema terrestre. O objetivo inicial consistia na criação de um Software para o sector pesqueiro, no entanto o seu desenvolvimento não ficou concluído durante a realização deste trabalho. Assim foi necessária uma nova abordagem de forma a verificar a influência das correntes oceânicas na embarcação de pesca “Cruz de Malta”. Nesta nova abordagem, e durante as várias rotas realizadas, foi recolhida constantemente informação sobre a velocidade instantânea, o consumo instantâneo e o estado das correntes oceânicas ao longo do percurso do barco, bem como outros fatores. Após 4 viagens oceânicas e muitas rotas analisadas, foi possível verificar a influência das correntes oceânicas na velocidade do barco e no consumo de combustível. Por exemplo, em muitas fases das várias rotas realizadas, foi possível verificar um aumento da velocidade em zonas onde as correntes oceânicas se encontravam a favor do movimento do barco. A incorporação de novos dados na indústria da pesca foi vista positivamente pelos seus intervenientes, o que encoraja a novos desenvolvimentos nesta indústria.
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Stratoudakis, Yorgos. "A study of fish discarded by Scottish demersal fishing vessels." Thesis, University of Aberdeen, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.339907.

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This study focuses on fish discards generated by demersal vessels fishing in Scottish waters (North Sea and West of Scotland). The analysis is based on data collected by scientific observers onboard commercial vessels during the past two decades (1975 - 1993). Chapter 1 introduces the problem of discarding, describes its implications for fisheries and the marine environment, and gives a brief overview of the sampling scheme. Chapter 2 uses generalised additive models (GAMs) and regression trees to investigate the main reasons that lead Scottish fishers to discard commercially important species (haddock - Melanogrammus aeglefinus, whiting - Merlangius merlangus and cod - Gadus morhua). Different discarding patterns are observed in inshore and offshore areas, with vessels fishing offshore discarding larger fish, irrespective of gear type. In inshore areas, discarding decisions are mainly driven by legal landing size, whereas offshore, high grading decisions due to market pressures and, possibly, quota limitations prevail. Chapter 3 explores the performance of several estimators of total discards and their variances in a simulated population of fishing trips. The simulated population is generated from the residuals of temporal models fitted to the catch and discards observations from the trips sampled under the Scottish discards monitoring scheme. The estimator currently applied to obtain annual estimates of total discards in Scotland is shown to be biased and imprecise, whereas several other estimators perform better under limited sampling coverage. The best estimators from chapter 3 are used in chapter 4 to estimate the total discards and their variances for species that were regularly discarded by Scottish vessels in the period 1988 - 1993. Overall, it is estimated that Scottish vessels generate annually around 100,000 tonnes of demersal fish discards in the North Sea and 30,000 tonnes in the West of Scotland. This suggests that close to 40% of the total demersal catch of Scottish vessels is annually wasted through discarding.
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Filho, Odilon Rodrigues. "Estudo da influência do nível de alagamento sobre a estabilidade dinâmica de pesqueiros." Universidade de São Paulo, 2006. http://www.teses.usp.br/teses/disponiveis/3/3135/tde-19092006-165959/.

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Embarcações pesqueiras representam uma parcela expressiva nas estatísticas de acidentes ocorridos no mar. Dentre estas, aquela que se destaca por impor uma perda sensível em vidas humanas é a ocorrência de emborcamentos. Quando tais embarcações passam a ser submetidas a um alagamento intermediário, sua situação de estabilidade pode ser diferente daquela prevista pela Arquitetura Naval Clássica que considera apenas efeitos estáticos. Assim, este trabalho propõe, a partir de duas simples modelagens, caracterizar o comportamento dinâmico do alagamento sob diferentes níveis e sua influência positiva ou negativa sobre a estabilidade da embarcação pesqueira realizando análises sobre o regime transiente e permanente do movimento.
When a large compartment of a ship is flooded the water will affect the ship dynamic behaviour, and may have a significant impact on the vessel’s ability to withstand the action of waves. It is well known that complex dynamics can be associated with the loss of dynamic stability even for an intact ship, and these phenomena have been shown to be particularly relevant for fishing. We investigate here the effect of several levels of partial flooding on the dynamic processes that lead to loss of dynamic stability and capsize in waves. Two mathematical models are used in the present analysis. The first is a simplified model in which the vessel is acted upon by trains of regular beam waves. The free surface in this model is assumed to remain flat. The dynamic interaction between the vessel and the water inside it is modeled in such a way that the ensuing equations are those of a nonlinear inverted double pendulum. Drawing on this observation, an even simpler model was developed based on the idea of an equivalent mechanical pendulum. Since transient capsize in waves is a rapid phenomenon when compared to the flooding of a compartment, the analyses consider the percentage of flooding as a varying parameter.
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Jacobs, Olivia. "The Simple Truths of Safety at Sea for Alaskan Tender Vessels: Feasible Regulatory Changes to Prevent Vessel Casualties in the 17th Coast Guard District Tender Fleet." Scholarship @ Claremont, 2014. http://scholarship.claremont.edu/cmc_theses/908.

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Tender vessels in the United States will soon need to comply with new safety regulations as mandated by the Coast Guard Authorization Act of 2010. This thesis focuses specifically on assisting in the formation of an Alternative Safety Compliance Program (ASCP) for the unique tender vessel fleet and seeks to understand why tender vessels experience fatalities and vessel casualties. By analyzing data of tendermen fatalities and tender vessel casualties between 2000 and 2012, the report sheds light on the realities of these incidents. Among other findings, the data show that the most common cause of vessel casualty was striking rocks or the ocean floor, and the most common human error was falling asleep at the helm. This thesis then proposes potential regulations that would be economically feasible and realistic for tenders by comparing the casualty data to the reported financial realities of current tender vessels. Notably, the analysis indicates that applying the current Alternative Compliance and Safety Agreement (ACSA) to tenders would not be beneficial. Ultimately, the proposed regulations herein should act as a foundation for a discussion regarding an alternative compliance agreement, as the final agreement will be reached through a much greater dialogue between many involved parties, including tendermen, regulators, safety compliance experts, and others.
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Morrell, Thomas J. "Analysis of "Observer Effect" in Logbook Reporting Accuracy for U.S. Pelagic Longline Fishing Vessels in the Atlantic and Gulf of Mexico." Thesis, NSUWorks, 2019. https://nsuworks.nova.edu/occ_stuetd/511.

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Commercial pelagic longline fishers within the U.S. Atlantic, Gulf of Mexico, and Caribbean are required to report all fishing interactions per each gear deployment to NOAA’s Vessel Logbook Program of the Southeast Fisheries Science Center to quantify bycatch, increase conservation efforts, and avoid jeopardizing the existence of vulnerable species listed under the Endangered Species Act (ESA). To provide additional accuracy, the Pelagic Observer Program (POP) of the SEFSC deploys professionally trained observers on longline vessels to produce a statistically reliable subset of longline fisheries data. A comparison of self-reported (“unobserved”) datasets versus observer-collected (“observed”) datasets showed a general consistency for most target species but non-reporting or under-reporting for a number of bycatch species and “lesser-valued” target species. These discrepancies between catch compositions and abundancies regarding targeted species, species of bycatch concern, and species of minimum economic value can provide insight into increased fisheries regulations, stricter requirements, or additional observer coverage.
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Ugarte, Ernesto de Las Casas de La Torre. "Otimização do projeto de embarcações pesqueiras." Universidade de São Paulo, 2007. http://www.teses.usp.br/teses/disponiveis/3/3135/tde-04072007-130257/.

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O propósito deste trabalho foi o de elaborar uma metodologia de projeto de embarcações pesqueiras como alternativa ao processo clássico baseado na seqüência da \"Espiral de Projetos\". A metodologia proposta faz uso de um algoritmo de otimização que tem como finalidade automatizar cada uma das etapas e aperfeiçoar o resultado final mediante a busca, dentro do espaço de soluções viáveis (chamadas de soluções satisfatórias), da solução \"ótima\", ou seja, a melhor solução para uma determinada condição. Devido ao fato de cada zona de pesca ter suas características particulares no que diz respeito a condições ambientais (altura das ondas e força do vento), arte de pesca desenvolvida na região e normas impostas pela Autoridade Marítima, foi feita, em particular, uma aplicação ao caso da pesca no litoral peruano, pois foram consideradas no desenvolvimento do trabalho peculiaridades e dados que estão presentes nesta região. Neste sentido, desenvolveu-se um programa automatizado e otimizado baseado em uma seqüência de cálculos que permite projetar, a partir dos requisitos do armador, as características de uma embarcação pesqueira que cumpre um conjunto de restrições impostas e que atende ao objetivo desejado, ou seja, a embarcação que represente, através dessas características, a melhor solução possível para uma função de mérito ou função objetivo imposta. Desta forma, utilizando a técnica da parametrização de embarcações semelhantes, assim como métodos conhecidos para cálculo de características e atributos associados a navios pesqueiros, e também um algoritmo matemático de busca, demonstrou-se que é possível projetar uma embarcação pesqueira, do tipo de cerco, a partir dos requisitos do armador, com bons resultados, em períodos curtos de tempo e dentro das margens esperadas em etapas preliminares de projeto.
The purpose of this work was to develop a methodology for a fishing vessel design as alternative to the classic process based on the sequence of the \"Design Spiral.\" The proposed methodology use an optimization algorithm that aims to automate each one of the stages of the design and to improve the final result by the search, among the space of viable solutions (calls of satisfactory solutions), of the optimal solution, in other words, to find the best solution for a determined condition. Due to different characteristics of each fishing area such as: environmental conditions (height of the waves and wind intensity), the fishing gear used in the region and the rules established by the local Maritime Authority, this tool contemplates specific applications to fishing in the Peruvian coasts. Therefore, the development of this tool considered the corresponding data available for the region and the particularities unique to this fishing ground. In this context, an automated and optimized program was created based on a sequence of calculations, allowing to project, under the owner\'s requirements, fitting the characteristics of a fishing vessel that contemplates the imposed restrictions while achieving the overall objective. In other words, the resulting vessel will achieve, through these characteristics, the best possible solution in terms of functionality and desired requirements. Therefore, using the parametric technique of similar vessels, as well as known methods for the calculation of characteristics and associated attributes for fishing vessels and the use of a search mathematical algorithm, it was demonstrated that it is possible to design a fishing vessel of the seiner type, from the requirements of the owner, with good results, in few periods of time and within expected rates in preliminary stages of the project.
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Guesse, Lucas de Carvalho. "Desempenho propulsivo de embarcações de pesca: estudo aplicado à melhoria das embarcações do Espírito Santo." Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/3/3135/tde-04072016-114007/.

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Este trabalho apresenta um procedimento simples e robusto para avaliação e análise do desempenho de instalações propulsoras de embarcações de pesca operando no Estado do Espírito Santo. O objetivo é verificar se as embarcações estão operando com baixa eficiência propulsiva, portanto, com consumo de combustível maior do que o desejável, e identificar possíveis ações de melhoria desta eficiência que poderiam ser implementadas com baixo custo. Tendo em vista as condições artesanais da construção e operação das embarcações de pesca no Espírito Santo, o procedimento foi desenvolvido de forma a poder ser aplicado com relativa facilidade pelas pessoas envolvidas na atividade pesqueira artesanal neste Estado. O procedimento envolve o levantamento de informações sobre a geometria do casco, as características da instalação propulsora existente e sobre alguns aspectos do desempenho das embarcações. Para este levantamento são propostos métodos e técnicas suficientemente simples para que possam ser facilmente aplicadas nos estaleiros. Com base nestes dados levantados implementou-se no procedimento proposto diversos algoritmos que permitem determinar o coeficiente propulsivo das embarcações de pesca e a perda de energia útil que ocorre tanto no motor, por conta de condições inadequadas de operação, quanto na transmissão desta energia para o hélice. Para a validação dos métodos e técnicas envolvidos neste procedimento e dos resultados fornecidos por ele, o mesmo foi aplicado em alguns cascos de embarcações de pesca disponíveis em estaleiros visitados no Estado. Para uma destas embarcações o procedimento foi aplicado em sua totalidade, permitindo identificar a baixa eficiência da instalação propulsora e algumas das possíveis causas que provocam a perda de energia útil no sistema. Finalmente, com base nesse exemplo de aplicação, um estudo de possíveis melhorias na instalação propulsora é apresentado ao final do trabalho.
This study presents a simple and robust procedure to the performance evaluation and analysis of propulsion systems of fishing vessels operating in the Espírito Santo State. The goals are to verify if the vessels are operating at low propulsive efficiency, therefore, with a fuel consumption greater than desired, and identify possible actions to improve this efficiency that could be implemented at a low cost. The procedure was developed in view of the conditions of construction and operation of fishing vessels in Espírito Santo, so that it can be applied with relative ease by the people involved in artisanal fishing activity in this State. The procedure involves the collection of information about the geometry of hull, the characteristics of existing propulsion plant and some aspects of the performance of the vessels. To do this data collection, this paper proposes methods and techniques simple enough to be easily applied in the shipyards. Based on these data collected, the proposed procedure implemented several algorithms to ascertain the propulsive coefficient of fishing vessels and the energy loss which may occur due to the inadequate operating conditions and in energy transmission to propeller. It has been applied in some fishing vessel hulls available on sites visited to validate the methods and techniques involved in this procedure and its results. The procedure was applied, in its entirety, in one of this vessels, that allowed to identify the low efficiency of the propulsion plant and some of the possible causes that justify this energy loss in the system. Finally, based on this application example, a study of possible improvements in propulsion plant is presented at the end of work.
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Bower, Thomas Charles. "Fishing vessel optimization : a design tool." Thesis, University of British Columbia, 1985. http://hdl.handle.net/2429/25082.

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Rising fuel costs and decreased catch sizes have reduced the fishing vessel owners profit margin. This has caused the owners to try to find methods that reduce the costs of their operations. In this thesis a tool which can be used by fishing vessel designers, and operators, is developed for use at the preliminary ship design stage. It is used to determine the best fishing vessel parameters for a given operational scenario found on the West Coast of Canada.
Applied Science, Faculty of
Mechanical Engineering, Department of
Graduate
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Books on the topic "Fishing vessels"

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Czekaj, Daniel. Hydraulics for small fishing vessels. Rome: Food and Agriculture Organization of the United Nations, 1989.

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Dupont, Diane P. Heterogeneous vessels, individual transferable fishing vessel quotas, and the structure of a fishing industry. St. Catharines, Ont: Brock University, Dept. of Economics, 1991.

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Harbell, Steve C. Radar for fishing and recreational vessels. Seattle, Wash: Washington Sea Grant, Marine Advisory Services, 1988.

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Shipping, American Bureau of. Guide for building and classing fishing vessels. Paramus, N.J. (45 Eisenhower Dr., P.O. Box 910, Paramus 07653-0910): American Bureau of Shipping, 1989.

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Shawyer, Michael. The use of ice on small fishing vessels. Rome: Food and Agriculture Organization of the United Nations, 2003.

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Lowestoft fishing vessels remembered: Wrecked, sunk and missing vessels of the Lowestoft fleet, 1939-91. Lowestoft: Malcolm R. White, 2013.

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Goodwin, Steve. Menhaden vessels and their captains. Beaufort, N.C.]: S. Goodwin, 2004.

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Legislation, Great Britain Parliament House of Commons Eighth Standing Committee on Delegated. Fishing vessels(Decommissioning) scheme 2001: Monday 5 November 2001. London: Stationery Office, 2001.

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Commercial fishing methods: An introduction to vessels and gears. 3rd ed. Oxford: Fishing News Books, 1996.

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Great Britain. Parliament. House of Commons. Fifth Standing Committee on Delegated Legislation. Fishing Vessels (Decommissioning) Scheme 2003, Wednesday 5 November 2003. London: Stationery Office, 2003.

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Book chapters on the topic "Fishing vessels"

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Fogarty, Aengus R. M. "Fishing Vessels." In Merchant Shipping Legislation, 257–69. Third edition. | Abingdon, Oxon ; New York, NY : Informa Law from Routledge, 2017.: Informa Law from Routledge, 2017. http://dx.doi.org/10.4324/9781315232218-7.

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Iversen, Edwin S. "Fishing Vessels, Gear, and Methods." In Living Marine Resources, 149–75. Boston, MA: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4613-1211-6_8.

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Piecho-Santos, A. M. P., M. A. Hinostroza, T. Rosa, and C. Guedes Soares. "Autonomous observing systems in fishing vessels." In Developments in Maritime Technology and Engineering, 805–8. London: CRC Press, 2021. http://dx.doi.org/10.1201/9781003216599-87.

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Park, Jin Hyoung, Mikael Lind, Niels Bjørn-Andersen, Thomas Christensen, Fredrik von Elern, and Fred Pot. "Maritime Informatics for Recreational and Fishing Vessels." In Progress in IS, 237–53. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-50892-0_15.

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Beverton, Raymond J. H., and Sidney J. Holt. "Relative Fishing Power of Vessels and Standardisation of Commercial Statistics of Fishing Effort." In On the Dynamics of Exploited Fish Populations, 172–78. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-2106-4_12.

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Sruthi, N., P. Divya, and Maneesha Vinodini Ramesh. "Topology Preserving Map Generation for Multiple Mobile Fishing Vessels." In Advances in Intelligent Systems and Computing, 259–72. New Delhi: Springer India, 2016. http://dx.doi.org/10.1007/978-81-322-2656-7_23.

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Fernandes, Jose A., and Karl-Johan Reite. "Conclusions and Future Vision on Big Data in Pelagic Fisheries Sustainability." In Big Data in Bioeconomy, 411–14. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-71069-9_31.

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AbstractThe digitalization of the fisheries sector has been limited. However, in this book, the potential for making the sector more competitive and resilient through higher digitalization has been demonstrated using pelagic fisheries as an example. COVID-19 has recently shown the resilience advantages of having a more digitalized industry that makes larger use of big data and artificial intelligence. Moreover, these technologies can help us to mitigate climate change due to lower emissions and to adapt to climate change-induced changes of species distribution. One of the challenges is the accessibilty of enough cost-effective information. This can be achieved if fishing vessels becme also scientific data gathering platforms in a circular data economy. Then the fishing vessels are both users and providers of environmental data.
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Fernandes, Jose A., Zigor Uriondo, Igor Granado, and Iñaki Quincoces. "Tuna Fisheries Fuel Consumption Reduction and Safer Operations." In Big Data in Bioeconomy, 377–88. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-71069-9_29.

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AbstractThis chapter demonstrates the potential of tuna fishing fleets to reduce their fuel oil consumption. In the “Oceanic tuna fisheries, immediate operational choices” pilot, the data monitoring system on vessels periodically upload data to the server for shore analysis. The data analytics employs fuel oil consumption equations and propulsion engine fault detection models. The fuel consumption equations are being used to develop immediate operational decision models. The fault detection models are used to plan maintenance operations and to prevent unexpected engine malfunctions. The data-driven planning software allows probabilistic forecasting of tuna biomass distribution and analysing changes in fishing strategies leading to fuel consumption reduction. These changes in fishing strategies can be summarized as a transition from hunting to harvesting. Vessels do not search for fish, but instread take less risks and fish, where it is more likely that the fish can be found and is easier to capture. Buoy data are increasingly used to improve stock assessments and have the potential to allow better monitoring and planning of fish quotas fulfilment.
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Khalid, Norfadhlina, Aqil Azraie Che Shamshudin, and Megat Khalid Puteri Zarina. "Analysis on Wave Generation and Hull: Modification for Fishing Vessels." In Advanced Engineering for Processes and Technologies II, 77–89. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-67307-9_9.

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Neves, Marcelo A. S., Nelson A. Pérez, Osvaldo M. Lorca, and Claudio A. Rodríguez. "An Investigation on Head-Sea Parametric Rolling for Two Fishing Vessels." In Fluid Mechanics and Its Applications, 231–52. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-1482-3_12.

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Conference papers on the topic "Fishing vessels"

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Sampson, Rod, Mehmet Atlar, Bulent Danisman, Omer Goren, Gerry Smart, and John Ironside. "On The Effect of Forebody OptimiSation of Fishing Vessels." In Fishing Vessels, Fishing Technology & Fisheries. RINA, 2005. http://dx.doi.org/10.3940/rina.fis.2005.1.

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Scott, Catherine, Odette Paramor, and Chris Frid. "Ecosystem Based Fisheries Management: A New Way of Delivering Sustainability." In Fishing Vessels, Fishing Technology & Fisheries. RINA, 2005. http://dx.doi.org/10.3940/rina.fiso.2005.14.

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Allan, Robert G. "Cap Rouge II: Lessons Learned From A Fishing Vessel Tragedy." In Fishing Vessels, Fishing Technology & Fisheries. RINA, 2005. http://dx.doi.org/10.3940/rina.fiso.2005.4.

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Williams, Richard, and Dave Fenner. "Working With The Fishing Industry To Develop Appropriate Safety Standards." In Fishing Vessels, Fishing Technology & Fisheries. RINA, 2005. http://dx.doi.org/10.3940/rina.fiso.2005.2.

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Oliveira, A., N. Fonseca, and C. Guedes Soares. "Design of A Modern Purse Seiner Fishing Vessel For The Portuguese Coastal Sea." In Fishing Vessels, Fishing Technology & Fisheries. RINA, 2005. http://dx.doi.org/10.3940/rina.fiso.2005.11.

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van Beek, Teus, and Stephen van der Steenhoven. "Selection and Optimisation of The Propulsion Train of Fishing Vessels." In Fishing Vessels, Fishing Technology & Fisheries. RINA, 2005. http://dx.doi.org/10.3940/rina.fiso.2005.12.

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Olive, Peter J. "The Role of Sustainable Aquaculture As A Supplement To Ecosystem Fisheries Management." In Fishing Vessels, Fishing Technology & Fisheries. RINA, 2005. http://dx.doi.org/10.3940/rina.fiso.2005.16.

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Stead, Selina. "Three’s A Crowd: Fishermen, Government and Scientists." In Fishing Vessels, Fishing Technology & Fisheries. RINA, 2005. http://dx.doi.org/10.3940/rina.fiso.2005.13.

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Deakin, Barry. "Development of Simplified Stability and Loading Information For Fishermen." In Fishing Vessels, Fishing Technology & Fisheries. RINA, 2005. http://dx.doi.org/10.3940/rina.fiso.2005.5.

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Kwon, Young Sub, and Joby C. Anthony. "Assessment of Fishing Vessel Collisions: A Cultural Perspective." In Fishing Vessels, Fishing Technology & Fisheries. RINA, 2005. http://dx.doi.org/10.3940/rina.fiso.2005.8.

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Reports on the topic "Fishing vessels"

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Johnson, T. Fuel-Saving Measures for Fishing Industry Vessels. Alaska Sea Grant, University of Alaska Fairbanks, 2011. http://dx.doi.org/10.4027/fsmfiv.2011.

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van Helmond, A. T. M., R. W. T. Smith, and I. H. T. Harkes. Electronic Monitoring for control on fishing vessels. IJmuiden: Wageningen Marine Research, 2021. http://dx.doi.org/10.18174/561838.

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Ayers, R., G. P. Course, and G. R. Pasco. Scottish Inshore Fisheries Integrated Data System (SIFIDS): work package (2) final report WP2A: development and pilot deployment of a prototypic autonomous fisheries data harvesting system, and WP2B: investigation into the availability and adaptability of novel technological approaches to data collection. Edited by Mark James and Hannah Ladd-Jones. Marine Alliance for Science and Technology for Scotland (MASTS), 2019. http://dx.doi.org/10.15664/10023.23443.

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[Extract from Executive Summary] To enhance sustainability and foster resilience within Scotland’s inshore fishing communities an effective system of collecting and sharing relevant data is required. To support business decisions made by vessel owners as well as informing fisheries managers and those involved in marine planning it will be vital to collect a range of information which will provide a robust understanding of fishing activity, the economic value of the sector and its importance within local communities. The SIFIDS Project was conceived to assist in attaining these goals by working alongside fishers to develop and test technology to automatically collect and collate data on board vessels, thereby reducing the reporting burden on fishers. The project built upon previous research funded through the European Fisheries Fund (EFF) and was designed to deliver a step change in the way that inshore fisheries in Scotland could be managed in cooperation with the industry. The project focussed on inshore fishing vessels around Scotland, where spatio-temporal information on the distribution of vessels and associated fishing effort is data deficient. The whole project was broken down into 12 highly integrated work packages. This is the integrated report for work packages 2A and 2B, entitled’ Development and Pilot Deployment of a Prototypic Autonomous Fisheries Data Harvesting System’ (2A) and ‘Investigation into the Availability and Adaptability of Novel Technological Approaches to Data Collection’ (2B).
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Bucklin, Ann, Peter H. Wiebe, Chrys Chryssostomidis, W. G. Williams, and Craig A. Pendleton. Commercial Fishing Vessels as Platforms for Coastal Ocean Research, Monitoring, and Management. Fort Belvoir, VA: Defense Technical Information Center, September 2001. http://dx.doi.org/10.21236/ada626712.

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Mendo, Tania, Sophie Smout, Johanna Ransijn, Ian Durbach, Paddy McCann, Swithun Crowe, Ariadna Carulla Fàbrega, Irene de Prado, and Mark James. Scottish Inshore Fisheries Integrated Data System (SIFIDS): work package 8B final report identifying fishing activities and their associated drivers. Edited by Hannah Ladd-Jones. Marine Alliance for Science and Technology for Scotland (MASTS), 2019. http://dx.doi.org/10.15664/10023.23463.

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[Extract from Executive Summary] This Work Package (WP8B) of the SIFIDS project focused on vessels that are 12 m or under in length, use static gear (pots or creels), and primarily target lobsters (Homarus gammarus), crabs (Cancer pagurus and Necora puber), and prawns (Nephrops norvegicus). WP8B had two principal objectives: 1. Identify fishing activity profiles for static gear vessels in the inshore fleet prosecuting lobsters, crabs and nephrops. 2. Incorporate effort, biological data, socio-economic data, environmental data to understand fishing behaviour
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Course, Grant P., Grant R. Pasco, Ashley Royston, and Richard Ayers. Scottish Inshore Fisheries Integrated Data System (SIFIDS): work package 8A final report: on-board observers. Edited by Mark James and Hannah Ladd-Jones. Marine Alliance for Science and Technology for Scotland (MASTS), 2018. http://dx.doi.org/10.15664/10023.23454.

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[Extract from Executive Summary] The Scottish Inshore Fisheries Integrated Data System (SIFIDS) project aims to build on the success of a previous project called “Evidence Gathering in Support of Sustainable Scottish Inshore Fisheries”, which utilised temporal and spatial data collected from commercial fishing vessels in cooperation with the fishing industry. The On-Board Observer work package (WP8A) aimed to collect the raw data that could be used by the other work packages (WPs) by sending observers to sea. SeaScope Fisheries Research Ltd was tasked with providing trained observers and a total of 131 volunteer vessels were recruited to the project by the Facilitators (WP7) and observers.
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Tidd, Alexander N., Richard A. Ayers, Grant P. Course, and Guy R. Pasco. Scottish Inshore Fisheries Integrated Data System (SIFIDS): work package 6 final report development of a pilot relational data resource for the collation and interpretation of inshore fisheries data. Edited by Mark James and Hannah Ladd-Jones. Marine Alliance for Science and Technology for Scotland (MASTS), 2019. http://dx.doi.org/10.15664/10023.23452.

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[Extract from Executive Summary] The competition for space from competing sectors in the coastal waters of Scotland has never been greater and thus there is a growing a need for interactive seascape planning tools that encompass all marine activities. Similarly, the need to gather data to inform decision makers, especially in the fishing industry, has become essential to provide advice on the economic impact on fishing fleets both in terms of alternative conservation measures (e.g. effort limitations, temporal and spatial closures) as well as the overlap with other activities, thereby allowing stakeholders to derive a preferred option. The SIFIDS project was conceived to allow the different relevant data sources to be identified and to allow these data to be collated in one place, rather than as isolated data sets with multiple data owners. The online interactive tool developed as part of the project (Work Package 6) brought together relevant data sets and developed data storage facilities and a user interface to allow various types of user to view and interrogate the data. Some of these data sets were obtained as static layers which could sit as background data e.g. substrate type, UK fishing limits; whilst other data came directly from electronic monitoring systems developed as part of the SIFIDS project. The main non-static data source was Work Package 2, which was collecting data from a sample of volunteer inshore fishing vessels (<12m). This included data on location; time; vessel speed; count, time and position of deployment of strings of creels (or as fleets and pots as they are also known respectively); and a count of how many creels were hauled on these strings. The interactive online tool allowed all the above data to be collated in a specially designed database and displayed in near real time on the web-based application.
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Schram, Edward, Niels Hintzen, Jurgen Batsleer, Tony Wilkes, Katinka Bleeker, Morgane Amelot, Wouter van Broekhoven, et al. Industry survey turbot and brill in the North Sea : Set up and results of a fisheries-independent survey using commercial fishing vessels 2018-2020. IJmuiden: Wageningen Marine Research, 2021. http://dx.doi.org/10.18174/544588.

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Johnson, T. Fishing Vessel Insurance: How Much Is Enough? Alaska Sea Grant, University of Alaska Fairbanks, 1996. http://dx.doi.org/10.4027/fvihme.1996.

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Doyle, J. P., and C. Jensen. Handbook on White Fish Handling Aboard the Fishing Vessel. Alaska Sea Grant, University of Alaska Fairbanks, 1988. http://dx.doi.org/10.4027/hwfhafv.1988.

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