Relevant bibliographies by topics / Anglers' Attitudes

Contents

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

Academic literature on the topic 'Anglers' Attitudes'

Author: Grafiati
Published: 4 June 2021
Last updated: 6 February 2022

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Journal articles on the topic "Anglers' Attitudes"

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Salz, Ronald J., and David K. Loomis. "Saltwater Anglers' Attitudes towards Marine Protected Areas." Fisheries 29, no. 6 (June 2004): 10–17. http://dx.doi.org/10.1577/1548-8446(2004)29[10:saatmp]2.0.co;2.

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Salz, Ronald J., and David K. Loomis. "Recreation Specialization and Anglers’ Attitudes Towards Restricted Fishing Areas." Human Dimensions of Wildlife 10, no. 3 (October 2005): 187–99. http://dx.doi.org/10.1080/10871200591003436.

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Boxall, Peter C., and R. LeFrancois. "Alberta anglers’ knowledge and attitudes towards bull trout and fisheries management." Human Dimensions of Wildlife 1, no. 3 (September 1996): 75–77. http://dx.doi.org/10.1080/10871209609359071.

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Hutt, Clifford P., and Phillip W. Bettoli. "Preferences, Specialization, and Management Attitudes of Trout Anglers Fishing in Tennessee Tailwaters." North American Journal of Fisheries Management 27, no. 4 (November 2007): 1257–67. http://dx.doi.org/10.1577/m05-215.1.

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Hunt, Kevin M., Myron F. Floyd, and Robert B. Ditton. "African-American and Anglo Anglers' Attitudes toward the Catch-Related Aspects of Fishing." Human Dimensions of Wildlife 12, no. 4 (August 10, 2007): 227–39. http://dx.doi.org/10.1080/10871200701442825.

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Schakner, Zachary, Canon Purdy, and Daniel T. Blumstein. "Contrasting attitudes and perceptions of California sea lions by recreational anglers and the media." Marine Policy 109 (November 2019): 103710. http://dx.doi.org/10.1016/j.marpol.2019.103710.

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Gupta, Nishikant, Shannon D. Bower, Steven J. Cooke, Andy J. Danylchuk, and Rajeev Raghavan. "Practices and attitudes of Indian catch-and-release anglers: identifying opportunities for advancing the management of recreational fisheries." Journal of Threatened Taxa 8, no. 4 (April 26, 2016): 8659. http://dx.doi.org/10.11609/jott.2410.8.4.8659-8665.

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Recreational fishing, a popular leisure activity, can potentially support conservation of species and provide socio-economic benefits to local economies. Nonetheless, there are ecological concerns regarding this pastime, especially in developing economies such as India where little information is available concerning impacts on fish populations. An online survey targeting recreational anglers practicing catch-and-release (C&R) in India (n=200) revealed 25 states/union territories as prime angling locations, with Mahseer (Tor spp.) constituting the main target species group (53%). Angling season (28%) and pristine river surroundings (14%) were stated as major factors important for angling, while overfishing (31%) and the use of illegal fishing techniques were highlighted as chief threats to fish species. Respondents were in favour of strictly adhering to C&R guidelines (23%), controlling illegal fishing techniques and pollution (18%) and spreading awareness and education among local stakeholders (18%) to protect fish. Over 75% of respondents were also willing to contribute both their time and money to conservation initiatives focusing on key sport fish. With anglers targeting multiple fishing locations throughout India, there is a need for consistent governance structures and policy instruments to support the development of sustainable recreational fisheries while minimising conflict with other stakeholder groups. The impacts of C&R fisheries interactions on individuals and populations (especially for threatened species) need to be studied in the Indian context. Direct participation by recreational anglers in C&R research could strengthen broader conservation and management initiatives throughout the country by increasing stewardship.
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Roop, Hunter J., Neelam C. Poudyal, and Cecil A. Jennings. "Fishing preferences, angling behavior, and attitudes toward management: a comparison between White and Nonwhite anglers." Human Dimensions of Wildlife 26, no. 1 (July 18, 2020): 84–89. http://dx.doi.org/10.1080/10871209.2020.1794082.

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van den Heuvel, Lotte, Malgorzata Blicharska, Samuel Blyth, and Patrik Rönnbäck. "Catch reporting in recreational fishing: Swedish anglers’ attitudes and preferences, and the effect of social factors." Fisheries Research 223 (March 2020): 105444. http://dx.doi.org/10.1016/j.fishres.2019.105444.

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Wilde, Gene R., Robin K. Riechers, and Robert B. Ditton. "Differences in Attitudes, Fishing Motives, and Demographic Characteristics between Tournament and Nontournament Black Bass Anglers in Texas." North American Journal of Fisheries Management 18, no. 2 (May 1998): 422–31. http://dx.doi.org/10.1577/1548-8675(1998)018<0422:diafma>2.0.co;2.

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Dissertations / Theses on the topic "Anglers' Attitudes"

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Romberg, William John. "Market Segmentation, Preferences, and Management Attitudes of Alaska Nonresident Anglers." Thesis, Virginia Tech, 1999. http://hdl.handle.net/10919/36250.

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Nonresident angler participation in Alaskan sport fisheries has increased at a higher rate than resident participation during the past decade. Popular sport fisheries have become crowded and stakeholder groups are increasingly concerned about the future direction of Alaska sport fisheries management. To address stakeholder concerns in an informed manner, the Alaska Department of Fish and Game (ADF&G) commissioned a market segmentation study to collect baseline information for assessing the impacts of projects and strategies that provide benefits to the angling public. I developed a 24-page mail questionnaire that was sent to a stratified random sample of 15,000 Alaska nonresident fishing license holders. Information was collected on fishing participation, fishing experience, activity-specific attitudes, motivations for fishing, as well as species and locations fished. In addition, information on setting preferences, guide use, fish exportation, and opinions on several management proposals was also collected. The response rate was 54% (exclusive of surveys that were undeliverable). A two-stage empirical clustering approach, employing Ward's method and UPGMA hierarchical clustering followed by k-means partitioning, identified five nonresident angler clusters. A combination of seven specialization and four motivation variables were used to identify angler groups. The angler segments ranged in size from 15% to 24% of the sample and had diverse characteristics including differences in frequency of participation, fishing experience and preferences, as well as motivations for fishing. Significant differences existed among angler segments with regard to Alaska fishing characteristics, such as number of days and locations fished in Alaska, number of fish transported from Alaska, attributes important in fishery site selection, and likelihood of returning to Alaska to fish. Differences in fishing characteristics, resource dependency, and preferences with regard to fishery attributes also were found among anglers participating in selected Alaska sport fisheries, as well as anglers fishing for different species within a fishery location (e.g., Kenai River). Information provided by this study will allow ADF&G to assess the relative nonresident demand for different types of angling experiences in Alaska, estimate nonresident angler response to potential management actions, and focus planning and management activities in ways that are consistent with the interests of these different angler types. Results also demonstrate the potential for fishery-based segmentation to provide fisheries managers with a more detailed understanding of nonresident angler participation at the regional and fishery level.
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Baker, Susan F. "CATCH-RELATED ATTITUDES OF ANGLERS AND IMPLICATIONS FOR FISHERIES MANAGEMENT." MSSTATE, 2009. http://sun.library.msstate.edu/ETD-db/theses/available/etd-06162009-102607/.

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A catch-related attitude measurement scale is used for discerning an anglers evaluation of catching fish in four constructs (catching something, catching numbers, catching large fish, and retaining fish) in two studies. The first study was of resident (in-state) and nonresident (out-of-state) anglers at Sardis and Grenada reservoirs and the second was of hand grabblers and rod and reel catfish anglers. In the first study at Sardis Reservoir, there were no differences in catch-related attitudes between groups. At Grenada Reservoir, there were differences between groups toward catching large fish and retaining fish. In the second study, hand grabblers had stronger attitudes toward catching large fish than rod and reel catfish anglers but rod and reel catfish anglers had stronger attitudes toward catching numbers. Knowledge of catch-related attitudes can lead to more palatable regulations that enhance angler satisfaction and ultimately retain and recruit new and lapsed anglers.
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O'Neill, Brendan Michael. "Market segmentation, motivations, attitudes, and preferences of Virginia resident freshwater anglers." Thesis, Virginia Tech, 2001. http://hdl.handle.net/10919/33667.

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For many years, the Virginia Department of Game and Inland Fisheries (VDGIF) has managed freshwater fisheries without fully understanding their stakeholders. To increase its knowledge and improve management, the VDGIF commissioned a market segmentation study to collect baseline information about its constituents and serve as a model for future studies. I developed a 16-page mail questionnaire that was sent to a stratified random sample of 5,378 Virginia resident freshwater fishing license holders. The questionnaire was use to collect information on characteristics, motivations, attitudes, and preferences of Virginia resident freshwater anglers. The response rate was 52%. I examined the descriptive characteristics of resident freshwater anglers and anglers who purchased different types of licenses and anglers from different management regions. Differences in fishing behaviors, motivations for fishing, attitudes, and preferences for management existed among anglers based on license type and regions. Although satisfaction with freshwater fishing was high, in most cases, many anglers believed that fishing quality had declined. By adopting a marketing approach and providing the desired experiences to each segment of anglers, the Fisheries Division may improve its relationship with anglers, as well as increase participation and satisfaction. I also segmented the Virginia anglers by species preference, specialization, and a multi-level approach that involved a combination of species preference and specialization. Anglers are not a homogenous group and they seek different experiences. Multi-level segmentation was the most useful method of segmentation because it identified within-species preference group differences. Within each species preference group I found several segments of anglers. Segments differed in their orientations (trophy or consumptive), preferred methods of fishing and information sources, and support for regulations. Specialist anglers from each species preference group were trophy oriented and some were consumptive oriented as well. Specialists also were the most supportive of restrictive regulations. Less specialized anglers in each species preference group generally were less trophy oriented, more consumptive, and less supportive of regulations than specialist anglers. My results provide better understanding of the different segments of anglers within each species preference group, which will allow managers to provide a more satisfying experience for their stakeholders.
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Salz, Ronald J. "Investigating saltwater anglers' value orientations, beliefs and attitudes related to marine protected areas : a dissertation /." [Amherst, Mass. : University of Massachusetts], 2002. http://unicorn.csc.noaa.gov/mpa/salz.pdf.

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Thesis (Ph. D.)--University of Massachusetts Amherst, 2002.
"September 2002." Includes bibliographical references (p. 199-207). Also available online in PDF format via the NOAA Coastal Services Center home page.
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Riley, Larry Edwin. "Anglers' Attitudes Toward the Fisheries Management Policies of the Logan and Blacksmith Fork Rivers, Utah." DigitalCommons@USU, 1987. https://digitalcommons.usu.edu/etd/4399.

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In the summer of 1986, anglers along three sections of the Logan and Blacksmith Fork Rivers, Utah were surveyed as to their attitudes toward fish stocking, habitat improvement, and wild trout management policies. Information concerning socio-demographic characteristics and ang ling values were ascertained as well. Data were cross tabulated to determine which of the variab les influence anglers' attitudes toward spec ifi c fisheries manage ment policies and the type of angling opportunity provided. The analysis of data s how e d differences between the types of anglers using the three sample sections. The data showed that variables such as preferred angling method, preferred water type, number of fishing trips taken this year, age, importance of keeping fish, and whether an angler emphasizes catching a large number of fish or large fish, can influence anglers ' attitudes toward fisheries management policies. The ungrouped data showed that the anglers sampled preferred: to catch brown or cutthroat trout; fish stocking to be limited to waters which have little or no natural reproduction or production; larger (14 inch) catchable size trout to be stocked even if it means a smaller number of fish will be stocked; the State to emphasize habitat improvement right along with fish stocking in their management plan; and the continuation of the policy to provide a limited amount of 11 Wild trout., regulated waters for angling variety.
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Unger, Joseph W. III. "Utah Angler Specialization and Its Relationship to Environmental Attitudes and Angler Motivations." DigitalCommons@USU, 2012. https://digitalcommons.usu.edu/etd/1388.

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In recent years, fishing has been decreasing in popularity both in Utah and nationwide. Because of this, there has been a reduction in funds and support for fisheries management, causing deterioration of once pristine fisheries. By understanding the motivations and environmental attitudes of the remaining anglers, fisheries managers can better manage areas to retain these anglers and attract new ones. This thesis presents research about the environmental attitudes and motivations of anglers in respect to specialization level. Findings presented in this thesis show anglers in Utah are members of one of three distinct angler specialization groups. The more specialized the anglers, the more aware they were of the environment. Comparison of consumptive and nonconsumptive anglers was also tested, without statistically significant results. Environmental orientations were tested between anglers and the general public as well. Respondents were placed on a continuum ranging from "strong utilitarian" to "strong preservationist." Most anglers, like most members of the public, clustered in the center of this continuum. Finally, motivations of anglers were compared across the three specialization groups, but only two of three motivation measures were found to be significantly different across angler specialization levels.
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Anderson, David K. "Measuring angler attitudes toward the catch-related aspects of recreational fishing." Texas A&M University, 2005. http://hdl.handle.net/1969.1/2652.

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The primary purposes of this dissertation were understanding the nature of an attitudinal scale designed to measure the consumptive orientation of recreational anglers and filling a gap in the published literature regarding measurement using the scale. Consumptive orientation was defined as the attitude anglers hold towards catching fish, including catching something, retaining fish (as opposed to releasing), catching large fish (size), and catching large amounts of fish (numbers). In order to confirm these four attitudes are measured by the scale, a model was hypothesized and tested using a confirmatory factor analysis on a sample of male anglers in Texas. It was reasoned that a different subculture may interpret the attitudinal statements differently; thus, the structure of the scale was explored using women as a separate sample. Finally, an example of how the scale could be used was provided by examining differences between tournament and nontournament anglers?? attitudes towards the four constructs measured by the scale. Overall, results were varied with the hypothesized model used to confirm the scale. While results indicated dropping four of the sixteen statements would not result in a significant change in the structure of the scale, results also confirmed there were four distinct attitudes measured by the consumptive orientation scale. The use of the scale with the larger angling population was confirmed by finding the same structure using a sample of women anglers. Finally, the scale was shown to be useful for examining activity-specific differences in angling social worlds. Differences were detected between tournament and nontournament anglers on three of the four consumptive attitudes: ??catching numbers,?? ??catching large/trophy fish,?? and ??retaining fish.?? Differences found were related to the commitment level of tournament and nontournament anglers. Further analysis examined how avidity may have affected differences among angler groups. These differences further current knowledge about tournament anglers and their expectations for fishing experiences. Overall, results support the usefulness of the consumptive orientation scale as a survey tool for understanding recreational fishing clientele.
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Croft-White, Michael. "Measurement and analysis of rally car dynamics at high attitude angles." Thesis, Cranfield University, 2006. http://hdl.handle.net/1826/1480.

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This research aims to investigate the nature of high β-angle cornering as seen in rallying and in particular the World Rally Championship. This is achieved through a combination of sensor development, on-car measurement and vehicle dynamic simulation. Through the development of novel β-angle measurement technology it has become possible to measure and study vehicle attitude dynamics on loose gravel surfaces. Using this sensor, an understanding of how a rally driver uses the dynamics of the vehicle and surface to maximise performance has been obtained. By combining the new data stream with accepted vehicle dynamic theory, the tyres have been considered and general trends in gravel tyre performance unveiled. Through feedback, these trends have been implemented as a means of tuning a dynamic model to improve realism and permit an analysis of cornering trends in rally cars. Active control systems have been considered that could implement more sophisticated algorithms based on this understanding and potentially use the new sensor information as an input signal. A case study which explores such a possibility is included.
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Confait, Marie-Reine. "Langues en contact en milieu insulaire. Le trilinguisme seychellois : créole, anglais, français." Thesis, La Réunion, 2010. http://www.theses.fr/2010LARE0031/document.

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Cette recherche cherche à confirmer notre hypothèse sur les écarts entre les statuts constitutionnels des langues seychelloises (créole, anglais et français) et leurs usages dans la pratique. Elle présente la répartition des fonctions, des rôles et des usages linguistiques dans les institutions clés selon leur status et corpus d'après le modèle de Chaudenson (2004). Elle étudie les relations entre les attitudes, représentations et comportements linguistiques des locuteurs et analyse les lignes d'intervention en termes d'aménagement linguistiques et de décisions glottopolitiques. Cette thèse offre une documentation exhaustive sur l'histoire des politiques linguistiques seychelloises de l'époque coloniale jusqu'à nos jours. Pour vérifier notre hypothèse, nous avons mené 4 enquêtes (entretiens et questionnaires) impliquant une population de 689 personnes comprenant des hauts fonctionnaires, des enseignants et des élèves. Les résultats des enquêtes confirment que les pratiques des locuteurs ne sont pas en conformité avec la loi constitutionnelle relative aux langues. Ils montrent que le trilinguisme seychellois entraîne une triglossie hiérarchisée à différents degrés où chaque langue trouve son « créneau » en fonction des situations d'usages, des représentations et des compétences des locuteurs. Enfin, cette recherche montre que le trilinguisme seychellois reflète un modèle harmonieux où coexiste une complémentarité des fonctions des langues
This research sets out to test the hypothesis on the disparity between the constitutional status of the languages of the Seychelles (Creole, English and French) and their usage. lt shows the distribution of languages in key institutions in relation to Chaudenson's description of status and corpus (2004). lt examines the relationship between linguistic attitudes and representations and behaviour and analyses strategies related to language management and glottopolitical decisions. This thesis presents an exhaustive documentation on the history of linguistic policies in Seychelles from colonial times to the present. To support our hypothesis, 4 surveys (interviews and questionnaires) were conducted with a sample population of 689 persons comprising high ranking government officiais, teachers and students. Results from these surveys show that the speakers' pratices are not in line with the Constitutional lawwith regards to languages. They illustrate that the Seychelles trilingual context involves a stratified triglossia at different levels whereby each language finds its « slot » in relation to contextual usage, representations and speakers' competence. Finally, this research suggests that Seychelles' trilingualism exists in an harmonious way where a complementarity of language functions is the norm
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Karamouzian, Fatemeh-Mahbod. "A comparative analysis of the content of secondary school english language textbooks in use in Iran and France and teachers' and students' attitudes." Nantes, 2014. http://www.theses.fr/2014NANT3004.

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Cette étude comparative porte sur l'évaluation du contenu des manuels pour l'enseignement-apprentissage de l'anglais dans le secondaire en Iran et en France. Pour l'évaluation des manuels, une liste de contrôle a été établie puis les théories de huit méthodes et approches d'enseignement /apprentissage ont été explorées. Les manuels de l'enseignement secondaire en Iran sont prescrits pour l'ensemble des établissements par les autorités éducatives ; pour la France, un éditeur et des séries de manuels ont été tirés au sort. Les manuels étudiés sont right path to english 2 et 3, english book 2 et 3 pour l'Iran, et New Spring 5 et 6, et Prime time 1 et 2 pour la France. Les résultats de l'étude indiquent que les manuels iraniens s'appuient sur les méthodes audio-orales et situationnelles et que les manuels français suivent l'approche communicative. Ensuite, une enquête par questionnaire a été menée pour comprendre les représentations culturelles et éducatives des apprenants et des enseignants. Les questionnaires portant sur les représentations éducatives sont construits selon une échelle de Likert à cinq degrés et s'appuient sur les théories relatives aux méthodes et approches. Pour les questionnaires culturels, basés sur une échelle à deux degrés, un modèle culturel a été choisi dont les caractéristiques les plus pertinentes ont été adaptées au domaine des langues. Les questionnaires ont été traduits et conduits, en persan et en français. Les données ont été collectées dans cinq régions d'Iran et de France. Ils ont été adressés à 355 apprenants et enseignants et ont fait l'objet de 245 retours. Le logiciel SPSS a été utilisé pour le traitement des données. Les questionnaires éducatifs révèlent des similitudes et des différences importantes entre ce que les enseignants et les apprenants considèrent comme des techniques efficaces, et entre ces considérations et leurs pratiques. Les questionnaires culturels révèlent des similitudes et des différences importantes entre les comportements culturels des enseignants et des apprenants par rapport aux pratiques de classe. Cette étude fournit un aperçu précieux des facteurs contextuels qui pourrait serir dans le cadre de réformes de l'enseignement des langues.
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Books on the topic "Anglers' Attitudes"

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Holloway, Herb A. Characteristics and attitudes of Louisiana freshwater anglers. Baton Rouge, La. (P.O. Box 98000, Baton Rouge 70898-9000): Louisiana Dept. of Wildlife and Fisheries, Socioeconomic Research and Development Section, 1998.

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Duda, Mark Damian. Anglers' attitudes toward and opinions on fishing issues in Colorado: Colorado senior fishing license holders, resident combination license holders, and resident annual fishing license holders : public opinion survey results report. Harrisonburg, Va: Responsive Management, 1995.

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New York (State). Center for Environmental Health. Health consultation, 1996 survey of Hudson River anglers: Hudson Falls to Tappan Zee Bridge at Tarrytown, New York : final report. Troy, NY: The Center, 2000.

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Pate, Jennifer. Project report on research entitled angler satisfaction with trout fishing in Colorado. Denver, Colo: Colorado Dvision of Wildlife, 1997.

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Robert, Brooks. Montana bioeconomics study: A contingent valuation of lake and reservoir fishing : angler attitudes and economic benefits. [Bozeman?]: Montana Dept. of Fish, Wildlife and Parks, 1990.

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Darracq, Eric G. Project report on research entitled angler satisfaction with 1998 trout fishing in Colorado and comparison to 1996 results. Denver, Colo: Colorado Division of Wildlife, 2000.

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Denis, Serge. Le long malentendu: Le Québec vu par les intellectuels progressistes au Canada anglais, 1970-1991. [Montréal]: Boréal, 1992.

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Treason of the intellectuals: English Canada in the post-modern period. Prescott, Ont: Voyageur Pub., 1995.

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Donald, Smith. Beyond two solitudes. Halifax [N.S.]: Fernwood Pub., 1998.

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Donald, Smith. D'une nation à l'autre: Des deux solitudes à la cohabitation. Montréal, Québec: Stanké, 1997.

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Book chapters on the topic "Anglers' Attitudes"

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Markley, F. Landis, and John L. Crassidis. "Euler Angles." In Fundamentals of Spacecraft Attitude Determination and Control, 361–64. New York, NY: Springer New York, 2014. http://dx.doi.org/10.1007/978-1-4939-0802-8_9.

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Liu, Yang, Hua Wang, Feng Cheng, Menglong Wang, and Xiaoyu Ni. "Improvement Method of Full-Scale Euler Angles Attitude Algorithm for Tail-Sitting Aircraft." In Lecture Notes in Electrical Engineering, 257–69. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-7398-4_27.

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Jianzhao, Ding, Mo Fan, Cheng Li, Zhang Tao, Wu Rina, Liu Jie, Yao Xinyu, and Chen Chao. "Motion Compensation for Data Transmission Dantenna Angle During Satellite Attitude Maneuvering." In Lecture Notes in Electrical Engineering, 208–15. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-33-4102-9_26.

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Zhao, Wenbo, Jianxin Zhang, Qiang Zhang, and Xiaopeng Wei. "Control Parameters Optimization for Spacecraft Large Angle Attitude Based on Multi-PSO." In Intelligence Science and Big Data Engineering. Big Data and Machine Learning Techniques, 12–19. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-23862-3_2.

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Zhang, Lijun, Shifeng Zhang, and Shan Qian. "Research on Angles-Only/SINS/CNS/GNSS Relative Position and Attitude Determination Algorithm for Uncooperative Target." In Lecture Notes in Electrical Engineering, 515–30. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-29187-6_51.

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Yan, Xiao, Ye Dong, Yang Zhengxian, and Sun Zhaowei. "Research on Attitude Adjustment Control for Large Angle Maneuver of Rigid-Flexible Coupling Spacecraft." In Intelligent Robotics and Applications, 24–33. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-22879-2_3.

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Xia, Yuanqing, Jinhui Zhang, Kunfeng Lu, and Ning Zhou. "Controller Design for Rigid Spacecraft Attitude Tracking with Actuator Saturation Finite-Time Intercept-Angle Guidance." In Finite Time and Cooperative Control of Flight Vehicles, 171–91. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-1373-8_9.

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"Conservation, Ecology, and Management of Catfish: The Second International Symposium." In Conservation, Ecology, and Management of Catfish: The Second International Symposium, edited by SUSAN F. STEFFEN and KEVIN M. HUNT. American Fisheries Society, 2011. http://dx.doi.org/10.47886/9781934874257.ch20.

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<em>Abstract</em>.—Previous research indicates that hand grabbling does not negatively affect catfish populations in Mississippi, but hand grabbling is restricted to a season to control harvest of large fish. We conducted a mail survey from October to December 2008 to compare Mississippi hand grabbler and rod-and-reel catfish angler sociodemographics, fishing characteristics, participation patterns, and catch-related attitudes. A catch-related attitude scale was used to measure angler’s evaluation of catching fish in four constructs (catching something, catching numbers, catching large fish, and retaining fish). Results indicated that hand grabblers had stronger attitudes toward catching large fish, but rod-and-reel catfish anglers had stronger attitudes toward catching numbers. We explained that possible differences in catch-related attitudes and other characteristics were due to hand grabblers being a more specialized subworld of catfish anglers. Understanding differences in characteristics and processes through which these subworlds differed can assist with policy formation, especially if competition over resources (e.g., large, trophy catfishes) intensifies.
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"Urban and Community Fisheries Programs: Development, Management, and Evaluation." In Urban and Community Fisheries Programs: Development, Management, and Evaluation, edited by Philipp Freudenberg and Robert Arlinghaus. American Fisheries Society, 2008. http://dx.doi.org/10.47886/9781934874042.ch10.

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<em>Abstract.—</em>Little is known about the differences in the human dimensions of organized and nonorganized anglers in general, and among those living in urban environments specifically. Lack of knowledge about the attitudes and behaviors of anglers can constrain the development of sustainable fisheries management strategies. The present study was based on 1,061 urban anglers responding to a mail survey in Berlin, Germany. Half of the anglers (58.3%) were members of a fishing club. Organized and nonorganized anglers differed with regard to a number of characteristics and behavioral patterns. Organized anglers comprised the more committed angler segment and were significantly more experienced, more avid, and more consumptive. Motivations of both angler segments were similar, with noncatch aspects of the fishing experience constituting the main angling motive. However, organized urban anglers placed significantly more importance on social, achievement, and challenge aspects of the fishing experience. In terms of management preferences, both groups suggested stocking of fish most often, but organized anglers more often suggested promotion of angling to children and youths as a means to increase angling quality than did nonorganized anglers. Targeted marketing approaches to increase the attractiveness of club membership to nonorganized anglers will increase the social capital held within angler organizations. Further studies need to analyze the factors that prevent nonorganized anglers from joining angler organizations.
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"The Angler in the Environment: Social, Economic, Biological, and Ethical Dimensions." In The Angler in the Environment: Social, Economic, Biological, and Ethical Dimensions, edited by Caleb T. Hasler, Alison H. Colotelo, Tobias Rapp, Elizabeth Jamieson, Karyne Bellehumeur, Robert Arlinghaus, and Steven J. Cooke. American Fisheries Society, 2011. http://dx.doi.org/10.47886/9781934874240.ch4.

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<i>Abstract</i> .—There is a need to better understand the perspectives of various recreational fishing stakeholder groups regarding key issues related to fisheries sustainability. To provide a first snapshot and to inform future human dimension studies in this area, we distributed a Web-based open-access survey to fisheries researchers, fisheries managers, and anglers in North America. Attitudes of these respondents towards issues such as overharvest, impacts of catch and release, recreational fisheries management, and research priorities for the future were assessed. We found similar opinions and perspectives by the responding recreational anglers, managers, and researchers on a number of issues, such as the perceived impact of commercial fishing contributing to fish stock declines, the perceived importance of using and promoting gear that minimizes stress and injury to individual fish when fish are to be released, and the belief that conflicts among stakeholders is growing as is the global anti-fishing movement based on animal rights thinking. Differences among responding groups included that researchers tended to be more concerned than anglers and managers with the potential of recreational angling contributing to fish stock declines. Responding anglers were also less content with their involvement in the fisheries management process than were responding managers and researchers, and these anglers also indicated a greater desire for more human dimensions research on understanding angler attitudes and behavior than was evident for responding managers and researchers. This preliminary survey revealed some variation in attitudes among recreational fisheries stakeholders. However, due to lack of random sampling, the study results cannot be extrapolated to the population level. We nevertheless conclude that improved communication and better understanding about the different perspectives among fisheries researchers, managers, and anglers and intrasectorally among different angling groups are needed, particularly when addressing contentious issues of relevance for the entire recreational fishing sector.
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Conference papers on the topic "Anglers' Attitudes"

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PARVEZ, S., and R. BENNETT. "Attitude determination using antenna polarization angles." In Guidance, Navigation and Control Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1989. http://dx.doi.org/10.2514/6.1989-3620.

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Tanygin, Sergei. "Angles Only Three-Axis Attitude Determination." In AIAA/AAS Astrodynamics Specialist Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2010. http://dx.doi.org/10.2514/6.2010-7826.

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Chunpeng Kang and Zhong Su. "Simulating and analysis for attitude angles of RRP." In 2008 Asia Simulation Conference - 7th International Conference on System Simulation and Scientific Computing (ICSC). IEEE, 2008. http://dx.doi.org/10.1109/asc-icsc.2008.4675491.

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Cao, Yihan, Xiongzhu Bu, Wei Han, and Zilu He. "A Biaxial Infrared and Geomagnetic Composite Attitude Measurement Method of Rotating Projectile." In ASME 2019 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/imece2019-10492.

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Abstract Aiming at the problem that the triaxial geomagnetic attitude measurement model can not directly figure out the complete attitude information of rotating missile or the current attitude calculation by limit ratio and integral ratio method needs calibration curves and look-up table method, after establishing missile-borne geomagnetic attitude measurement model and missile-borne infrared attitude measurement model respectively, a biaxial infrared and geomagnetic composite attitude measurement method is proposed. By the biaxial infrared attitude measurement model, the pitch angle and roll angle can be directly calculated. Combined with the biaxial geomagnetic attitude measurement model, the heading angle can be worked out finally. Through error transfer theory analysis, the direct calculation of pitch angle and roll angle is realized by alternating solution to reduce the measurement error. According to the analysis of the experimental data, the feasibility of the biaxial infrared and geomagnetic attitude measurement method is verified. And the direct calculation errors of pitch angle, roll angle and heading angle are respectively within ±0.8°, ±0.5° and ±1°. The biaxial infrared and geomagnetic attitude measurement method is simple and effective, which can meet the attitude measurement requirements of rotating projectile.
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Chen Hai and Shan Ganlin. "Attitude angle aided IMMCKF algorithm." In Instruments (ICEMI). IEEE, 2011. http://dx.doi.org/10.1109/icemi.2011.6037712.

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Zhang, Haijun, and Qin Yang. "Rarefaction Effect on the Characteristics of Micro Gas Journal Bearings." In ASME 2009 Second International Conference on Micro/Nanoscale Heat and Mass Transfer. ASMEDC, 2009. http://dx.doi.org/10.1115/mnhmt2009-18408.

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Journal bearings, which are used to support radial loads in a rotating machine, have somewhat unusual requirements in MEMS deriving from the extremely shallow structures. Thus, the micro gas journal bearings are characterized by a very small length-diameter ratio, defined as the ratio of the bearing length to its diameter and a paradoxically large bearing clearance ratio, defined as the ratio of the average radial clearance to the bearing radius. Given the definition of the reference Knudsen number for micro gas journal bearings, the range of the reference Knudsen number is illustrated according to the viscosity values of air under different temperatures. With the reference Knudsen number being included, the modified Reynolds equation for micro gas journal bearings based on Burgdorfer’s first order slip boundary condition is put forward. The finite difference method (FDM) is employed to solve the modified Reynolds equation to obtain the pressure distribution, load capacities and attitude angles for micro gas journal bearings under different reference Knudsen numbers, bearing numbers and eccentricity ratios. Numerical analysis shows that the pressure profiles and non-dimensional load capacities decrease obviously with gas rarefaction strengthened, and the attitude angle changes conversely. Moreover, when the bearing number is smaller, the effect of gas rarefaction on the non-dimensional load capacity and attitude angle is less.
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Ayoubi, Mohammad A., and Chokri Sendi. "Lyapunov-Based Attitude Tracking Control of a Quadrotor UAV." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-89517.

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In this paper, we use the Newton-Euler formulation to derive the equations of motion of a quadrotor unmanned aerial vehicle. We use the Modified Rodrigues Parameters to describe the attitude motion of a quadrotor for large attitude angles. Then, a globally stable feedback law for the problem of attitude tracking control of the vehicle was derived based on the Lyapunov’s direct method. Simulation results confirm that the proposed controller can track a reference attitude signal in the presence of parameter uncertainty, time delay, and slow time-varying external moments.
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Chriette, A., F. Plestan, and M. Odelga. "Nonlinear Modeling and Control of a 3 DOF Helicopter." In ASME 2012 11th Biennial Conference on Engineering Systems Design and Analysis. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/esda2012-82555.

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This paper presents a novel autopilot for a 3D helicopter. From desired trajectories defined by the user for elevation and travel angles, the autopilot is computing the desired trajectory of the pitch angle. Furthermore, the autopilot allows to decouple the system and to define “virtual” inputs in order to separately design controllers for each attitude angle. Travel and elevation controllers are based on adaptive version of super-twisting algorithm: this class of controllers keeps the robustness feature of sliding mode while reducing the well-known drawback of such control approach, the chattering, thanks to the online adaptation of the controller gain.
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Dhadwal, H., J. Rastegar, D. Horimai, and N. Aggarwal. "Measurement of projectile attitude angles using a LASER scanning system." In 2013 IEEE Sensors. IEEE, 2013. http://dx.doi.org/10.1109/icsens.2013.6688225.

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Saghafi, Fariborz, and Afshin Banazadeh. "Transition Flight Feasibility of a Fluidic Thrust Vectored Aerial Tail-Sitter: Numerical Approach." In ASME Turbo Expo 2007: Power for Land, Sea, and Air. ASMEDC, 2007. http://dx.doi.org/10.1115/gt2007-28198.

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This paper describes a feasibility study of using numerical analysis technique, coupled with a non-linear simulation model of a conceptual fluidic-thrust-vectored unmanned aerial tail-sitter to obtain required thrust deflection angles for a transition manoeuvre in take-off. It also studies the aircraft behaviour in transition subjected to the changes in specified parameters like the thrust value and the engine distance from the centre of gravity. The focus of the research presented was to get the vehicle from zero speed on the ground, in vertical position, to a specified velocity at a specified attitude, in cruise position. It was also specified that, when the vehicle was considered to be flying, it should not reduce speed or be descending and that its angle of attack should remain within a reasonable bound, since extreme angle of attack region causes the simulation and analysis to fall in the uncertain zone. The aircraft pitch attitude was also specified to decrease steadily in every integration step regarding the aircraft velocity. The transition problem was mathematically constructed and coded into Matlab/Simulink for the purpose of analysis and simulation. The inputs to the simulation program were simply series of thrust deflection angles at a number of different instants of time. Simulation was performed for a constant vehicle configuration. It was found that transition was feasible for the thrust to weight ratio around 1.0947 and it took 15 seconds to accomplish, while no attempt was made for time optimization.
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Reports on the topic "Anglers' Attitudes"

1

Thompson, Andrew A. Finding Attitude of a Spin Axis from Roll Angles. Fort Belvoir, VA: Defense Technical Information Center, March 2011. http://dx.doi.org/10.21236/ada540642.

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