Relevant bibliographies by topics / Economic aspects of Pink salmon

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Academic literature on the topic 'Economic aspects of Pink salmon'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Economic aspects of Pink salmon"

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Ruggerone, Gregory T., and Brendan M. Connors. "Productivity and life history of sockeye salmon in relation to competition with pink and sockeye salmon in the North Pacific Ocean." Canadian Journal of Fisheries and Aquatic Sciences 72, no. 6 (June 2015): 818–33. http://dx.doi.org/10.1139/cjfas-2014-0134.

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Sockeye salmon (Oncorhynchus nerka) populations from Southeast Alaska through British Columbia to Washington State have experienced similar declines in productivity over the past two decades, leading to economic and ecosystem concerns. Because the declines have spanned a wide geographic area, the primary mechanisms driving them likely operate at a large, multiregional scale at sea. However, identification of such mechanisms has remained elusive. Using hierarchical models of stock–recruitment dynamics, we tested the hypothesis that competition between pink (Oncorhynchus gorbuscha) and sockeye salmon for prey has led to reduced growth and productivity and delayed maturation of up to 36 sockeye populations spanning the region during the past 55 years. Our findings indicate the abundance of North Pacific pink salmon in the second year of sockeye life at sea is a key factor contributing to the decline of sockeye salmon productivity, including sockeye in the Fraser River where an increase from 200 to 400 million pink salmon is predicted to reduce sockeye recruitment by 39%. Additionally, length-at-age of Fraser River sockeye salmon declined with greater sockeye and pink salmon abundance, and age at maturity increased with greater pink salmon abundance. Our analyses provide evidence that interspecific competition for prey can affect growth, age, and survival of sockeye salmon at sea.
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Springer, Alan M., Gus B. van Vliet, Natalie Bool, Mike Crowley, Peter Fullagar, Mary-Anne Lea, Ross Monash, Cassandra Price, Caitlin Vertigan, and Eric J. Woehler. "Transhemispheric ecosystem disservices of pink salmon in a Pacific Ocean macrosystem." Proceedings of the National Academy of Sciences 115, no. 22 (May 14, 2018): E5038—E5045. http://dx.doi.org/10.1073/pnas.1720577115.

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Pink salmon (Oncorhynchus gorbuscha) in the North Pacific Ocean have flourished since the 1970s, with growth in wild populations augmented by rising hatchery production. As their abundance has grown, so too has evidence that they are having important effects on other species and on ocean ecosystems. In alternating years of high abundance, they can initiate pelagic trophic cascades in the northern North Pacific Ocean and Bering Sea and depress the availability of common prey resources of other species of salmon, resident seabirds, and other pelagic species. We now propose that the geographic scale of ecosystem disservices of pink salmon is far greater due to a 15,000-kilometer transhemispheric teleconnection in a Pacific Ocean macrosystem maintained by short-tailed shearwaters (Ardenna tenuirostris), seabirds that migrate annually between their nesting grounds in the South Pacific Ocean and wintering grounds in the North Pacific Ocean. Over this century, the frequency and magnitude of mass mortalities of shearwaters as they arrive in Australia, and their abundance and productivity, have been related to the abundance of pink salmon. This has influenced human social, economic, and cultural traditions there, and has the potential to alter the role shearwaters play in insular terrestrial ecology. We can view the unique biennial pulses of pink salmon as a large, replicated, natural experiment that offers basin-scale opportunities to better learn how these ecosystems function. By exploring trophic interaction chains driven by pink salmon, we may achieve a deeper conservation conscientiousness for these northern open oceans.
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Mikheyev, A. A. "SOME ASPECTS OF PHENOMENOLOGY IN PINK SALMON POPULATION DYNAMICS ON THE EXAMPLE OF SAKHALIN-KURIL STOCKS." Problems of fisheries 19, no. 1 (2018): 99–114. http://dx.doi.org/10.36038/0234-2774-2018-19-1-99-114.

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McAllister, Murdoch K., Randall M. Peterman, and Darren M. Gillis. "Statistical Evaluation of a Large-Scale Fishing Experiment Designed to Test for a Genetic Effect of Size-Selective Fishing on British Columbia Pink Salmon (Oncorhynchus gorbuscha)." Canadian Journal of Fisheries and Aquatic Sciences 49, no. 7 (July 1, 1992): 1294–304. http://dx.doi.org/10.1139/f92-145.

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Since 1950, stocks of British Columbia pink salmon (Oncorhynchus gorbuscha) have shown up to a 34% decrease in mean adult body weight, causing significant reduction in economic value of commercial harvests. Previous research suggests that this trend is due to size-selective harvesting of large fish, but changes in oceanographic conditions are a plausible alternative. Corrective action by management agencies requires that the true causal mechanism be identified. We therefore examined several possible designs for a large-scale fishing experiment devised to test the size-selective fishing hypothesis. These designs would generate accurate and precise field estimates of the heritability (h2) of growth rate, which is important because it, in combination with the selection differential (D) caused by fishing, determines how rapidly body size changes. Monte Carlo simulations showed that block designs with three to six spatial replicates and relatively short durations generated high statistical power. For example, for h2 = 0.22, D = 0.25 kg, and four spatial replicates, an 8-yr experiment resulted in power = 0.87, which gave a SE < 0.10 for h2 = 0.22. We conclude that some experimental designs have good potential to test the possible effects of size-selective fishing on mean adult size of British Columbia pink salmon.
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Conley, Keats R., and Kelly R. Sutherland. "Commercial fishers' perceptions of jellyfish interference in the Northern California Current." ICES Journal of Marine Science 72, no. 5 (February 5, 2015): 1565–75. http://dx.doi.org/10.1093/icesjms/fsv007.

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Abstract Jellyfish disruption of fisheries has been described in some coastal systems, but few thorough investigations have been conducted. To ascertain the economic impact and trend of jellyfish blooms in the Northern California Current (NCC), we mailed surveys to resident commercial shrimpers, salmon trollers, rockfish (blue, black), and groundfish fishers (n = 872). We asked fishers to estimate the damages caused by jellyfish—including costs of relocating to avoid blooms, lost fishing time, time lost to bycatch sorting, fish depreciation, and gear damage. Of the total respondents (n = 111), 67% reported that jellyfish reduce their seasonal revenue, but the degree of impact ranged considerably by fishery and location. Highest jellyfish nuisance corresponded to regions with the most salmon trolling effort. Using the mean revenue losses provided by respondents, we estimate that the combined economic impact of jellyfish on Oregon's salmon and pink shrimp fishers was over $650 000 in peak jellyfish season (June–September) in 2012. Fishers reported that jellyfish biomass varies annually, but most respondents (51%) reported observing no appreciable change in jellyfish populations in the last 5 years. Since economic impact analyses have been conducted primarily in areas with anomalous, high-density blooms, data from the NCC, which is not known to be experiencing increases in jellyfish abundance, provides baseline information on the socio-economic impact of jellyfish blooms in this region. In addition, the finding that jellyfish impact hook and line fisheries—not solely net fisheries—has implications for many other regions where fishers employ this gear type.
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Su, Zhenming, and Milo D. Adkison. "Optimal in-season management of pink salmon (Oncorhynchus gorbuscha) given uncertain run sizes and seasonal changes in economic value." Canadian Journal of Fisheries and Aquatic Sciences 59, no. 10 (October 1, 2002): 1648–59. http://dx.doi.org/10.1139/f02-133.

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In this study, we developed a stochastic simulation model that simulates the in-season abundance dynamics of pink salmon (Oncorhynchus gorbuscha) stocks, the fleet dynamics, and management of purse seine fisheries in the northern Southeast Alaska inside waters. Uncertainties in annual stock size and run timing, fleet dynamics, and both preseason and in-season forecasts were accounted for explicitly in this simulation. The simulation model was applied to evaluating four kinds of management strategies with different fishing opening schedules and decision rules. The ranking of the management strategies is apparently determined by the evaluation criteria applied. When only flesh quality is concerned, both the current and a more aggressive strategy, as long as they adapted themselves to the run strength, were able to provide higher quality fish without compromising the escapement objectives. When the value of the eggs is also a concern, the management strategies that have more intensive late opening schedules might be preferable. When both flesh quality and the value of eggs are considered, the ranking of the management strategies depends on the timing of the stocks.
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Pinkerton, Evelyn. "Economic and Management Benefits from the Coordination of Capture and Culture Fisheries: The Case of Prince William Sound Pink Salmon." North American Journal of Fisheries Management 14, no. 2 (May 1994): 262–77. http://dx.doi.org/10.1577/1548-8675(1994)014<0262:eambft>2.3.co;2.

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8

Ohnuki, Tsutomu, Kentaro Morita, Hiroshi Tokuda, Yasutaka Okamoto, and Kazumasa Ohkuma. "Numerical and Economic Contributions of Wild and Hatchery Pink Salmon to Commercial Catches in Japan Estimated from Mass Otolith Markings." North American Journal of Fisheries Management 35, no. 3 (May 4, 2015): 598–604. http://dx.doi.org/10.1080/02755947.2015.1020078.

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9

McAllister, Murdoch K., and Randall M. Peterman. "Decision Analysis of a Large-Scale Fishing Experiment Designed to Test for a Genetic Effect of Size-Selective Fishing on British Columbia Pink Salmon (Oncorhynchus gorbuscha)." Canadian Journal of Fisheries and Aquatic Sciences 49, no. 7 (July 1, 1992): 1305–14. http://dx.doi.org/10.1139/f92-146.

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Past work suggested that size-selective harvesting of large fish combined with heritability of body size has caused the large (up to 34%) decrease in mean adult weight of British Columbia pink salmon (Oncorhynchus gorbuscha) since 1950. In a companion paper (Can. J. Fish. Aquat. Sei. 49: 1294–1304) we evaluated the statistical performance of a large-scale fishing experiment that could enable managers to test this hypothesis and at the same time increase catch biomass if that hypothesis were correct. In this paper we evaluate the economic performance of the proposed experiment using Monte Carlo simulation and decision analysis under a wide range of conditions that encompasses existing biological uncertainties. We accounted for uncertainties through prior probabilities placed on two key biological hypotheses. We computed the expected economic value of catch biomass for the experimental and current nonexperimental (status quo) management strategies using a 20-yr time horizon and a 10-yr experiment with four spatial replicates. Under a variety of discount rates, the expected economic value of experimentation exceeded that of status quo management in most of the conditions examined, in some cases by as much as 60%.
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Hiedanpää, Juha, Joni Saijets, Pekka Jounela, Mikko Jokinen, and Simo Sarkki. "Beliefs in Conflict: The Management of Teno Atlantic Salmon in the Sámi Homeland in Finland." Environmental Management 66, no. 6 (November 5, 2020): 1039–58. http://dx.doi.org/10.1007/s00267-020-01374-6.

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AbstractThe subarctic Teno River is one of the most significant spawning rivers for Atlantic salmon in Europe. In 2009, research indicated that the Teno salmon stock was in a weak state, and concern about the future of Atlantic salmon in the Teno River arose on both sides of the river, in Finland and Norway. In 2017, the governments ratified the new Teno fishing agreement (Teno Fishing Act 2017). The agreement aimed to reduce the fishing volume by 30%, and the new regulations concerned all users, including the indigenous Sámi, other locals, tourists, and fishing entrepreneurs. This triggered concern and anger in the Sámi community and among other locals generally. The dispute raised a question concerning the management of Teno salmon. We conducted a Q inquiry with 43 statements, covering aspects of interest, knowledge, management, and policy needs related to Teno salmon. We hypothesised that the key reason for the management tensions lay in how scientific and traditional knowledge fitted administrative knowledge requirements. By using self-organising maps (SOMs), four webs of beliefs emerged from the data: traditional Sámi fishing; salmon protection; equal economic opportunity; and evidence-based decision-making. We also further analysed the statements according to how they reproduced diverging and similar beliefs. We discuss the identity-related struggle, rights, and stakes and the underlying issue of confidence and respect.
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Dissertations / Theses on the topic "Economic aspects of Pink salmon"

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Robertson, Stephen. "Contesting modernism : communities and the pacific salmon revitalization plan." Thesis, 1999. http://hdl.handle.net/2429/9112.

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This thesis explores the role for social work in addressing government policies that threaten the sustainability of small coastal communities. The response of government and industry to the globalization of trade and resource degradation is at odds with the needs of people. Utilizing a case study methodology the development and implementation of the Pacific Salmon Revitalization Plan is explored. This department of fisheries plan to rationalize the fishery was highly contested on the grounds that it took jobs out of small coastal communities. It was accused of benefiting the large fishing corporations and the urban based fishing fleet, which had the capital to profit from the plan. Concentrated opposition from coastal communities, fishers, advocacy groups and academics was unsuccessful in changing the plan. The assumptions of modernism - expert knowledge, scientific rationality and orthodox economics - as well as distorted communications, were postulated to be behind this lack of success. A post modern analysis suggests that a successful challenge to the plan would have incorporated the local knowledge of fishers and coastal communities within a process of fair and equitable public discourse aimed at reaching intersubjectively mediated understanding. For social work this demonstrates the need to work conjointly with communities and affected groups to identify the modernist assumptions on which policy decisions are based and develop locally derived alternatives to these assumptions. And most importantly, that the focus of social change efforts be on demanding a process for discussion and decision-making that ensures that the concerns of effected individuals will be fairly addressed.
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Rooney, Brian T. "Valuing Snake River salmon : a test of contingent value survey methods." Thesis, 1997. http://hdl.handle.net/1957/33792.

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This paper provides probit estimates of willingness to pay for Snake River salmon recovery projects using the contingent value survey method. Two types of survey method are tested, the direct question format and the randomized response format. Additionally, both an increase in electric bill payments and volunteer time are offered as payment vehicles. The results suggest that there is not much difference in estimates of willingness to pay between the two survey formats. They also suggest that for the Oregon State University staff, there is substantial willingness to pay through electric bill increases but not in volunteer time. By guaranteeing the respondents anonymity, the randomized response format is hypothesized to encourage more truthful answers, thereby reducing yea-saying bias. The results indicate that yea-saying may be reduced for those who contribute to environmental causes but overall does not affect willingness to pay. Other studies using the randomized response format that show a reduction in yea-saying and willingness to pay were done in classroom settings while this survey was a mail survey. There is an indication that the privacy and anonymity of the mail survey is enough to mitigate social pressure and yea-saying as opposed to a classroom setting. This suggests that the randomized response format may be more appropriate for group surveys or personal interview surveys. The result that there is substantial monetary support in the form of an increase in electric bills but not in the form of volunteer time payments may be due to the sample being fully employed. Also Snake River salmon restoration projects may seem geographically distant to this sample so volunteer activities may seem unrealistic.
Graduation date: 1998
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Books on the topic "Economic aspects of Pink salmon"

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Peyton, Paul. Pink salmon product development project, 1985-1987: Boneless-skinless blocks and logs. [Juneau, Alaska]: The Dept., 1993.

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2

Melvin, Edward F. Reduction of seabird bycatch in salmon drift gillnet fisheries: 1995 sockeye/pink salmon fishery final report. Seattle, WA: Washington Sea Grant Program, University of Washington, 1996.

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3

Bjørndal, Trond. The economics of salmon aquaculture. Oxford [England]: Blackwell Scientific Publications, 1990.

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Lem, Audun. The world market for salmon. Rome: FAO, 1996.

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Lem, Audun. The world market for salmon. Rome, Italy: Food and Agriculture Organization of the United Nations, GLOBEFISH, Fishery Industries Division, 1996.

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Asche, Frank. The economics of salmon aquaculture. 2nd ed. Chichester, West Sussex: Wiley-Blackwell, 2011.

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Dore, Ian. Salmon: The illustrated handbook for commercial users. New York: Van Nostrand Reinhold, 1990.

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Berry, Helen. Who should pay for salmon recovery?: Compensating for economic losses caused by recovery of Columbia River salmon. [Corvallis, Or.]: Oregon State University Extension Service, 1994.

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Weissglas, Gösta. Lax i strida strömmar: Sportfisket som regional utvecklingsresurs : slutrapport från projektet Laxen tillbaka till våra älvar. Umeå: Kulturgeografiska institutionen, Umeå universitet, 1996.

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(Alaska), Hatchery Policy Group. Report to the Salmon Industry Response Cabinet. [Juneau, Alaska] (P.O. Box 34159, 3032 Vintage Blvd., Juneau 99803-4159): [State of Alaska, Dept. of Commerce and Economic Development, Division of Investments, 1997.

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Book chapters on the topic "Economic aspects of Pink salmon"

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Blakstad, F. "The economic aspects of land based versus ocean based Atlantic salmon farming." In Fish Farming Technology, 409–13. CRC Press, 2020. http://dx.doi.org/10.1201/9781003077770-66.

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