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1.
《Marine Policy》2014
The applicability of catch shares programs is evaluated for the various fisheries of the Western Pacific Fishery Management Council region in each of the archipelagoes. Implementation of Catch Shares programs in the region is problematic, but would require better data to be done fairly and equitably. Catch shares are currently under initial consideration for the Hawaii and American Samoa longline fisheries and the Hawaii Deep 7 bottomfish fishery. It is argued that current conditions in all the other small boat fisheries in the region make them inappropriate for catch shares management. Overfishing and the “race for fish” are not yet an issue for these fisheries and some are underdeveloped. Catch share programs can cause significant negative social consequences for Western Pacific communities because data on fishermen's participation, catch histories, and motivations to fish for cultural needs is not adequate for any initial allocation scheme to be developed equitably. The prevailing Western Pacific cultural value of sharing the fish by gifting portions, sharing the catch widely and sharing fishing opportunities widely is in clear conflict with the individualized commercial profit motive philosophy of fisheries that are appropriate for catch shares. The small boat fisheries lack adequate monitoring and enforcement, and do not have a total allowable catch or quota. Nor do they usually have a demonstrated need for one. Preliminary community outreach by Council staff and community discussion of catch shares shows a general lack of information yet a potential for strong resistance to the imposition of catch shares. 相似文献
2.
《Marine Policy》2014
The movement toward catch shares by NOAA Fisheries and fisheries managers worldwide responds to dysfunctional fisheries plagued by a host of interrelated problems including radically shortened seasons, a race to fish, supply gluts, lowered product quality, increased bycatch, safety issues, excess capacity, and lack of profitability. However, the NOAA Catch Shares Policy recognizes that catch shares are not appropriate for every fishery, and others have agreed that the success of catch shares programs depends on their fit with ecological, economic, and social characteristics. This article describes the characteristics of the Hawaii-based deep-set longline fleet, identified by NOAA Fisheries as a possible candidate for catch shares because it operates under a bigeye tuna quota instituted by the Western and Central Pacific Fisheries Commission. One of the main concerns in the fishery is the potential for closing during the holiday season, a culturally important time for fish consumption in Hawaii. An evaluation of the fishery suggests that many of the problems leading to development of catch shares programs in other fisheries are not present, but that some warning signs exist which could be addressed by catch share programs or other management alternatives. 相似文献
3.
《Marine Policy》2015
A growing number of US fisheries are managed with catch share programs, which allocate exclusive shares of the total allowable catch from a fish stock to individuals, cooperatives, communities, or other entities. All of these catch share programs allow transferability of catch privileges in some form. Information on these transfers, particularly prices, could be valuable to fishery managers and to fishery participants to support management and business decisions and to increase efficiency of the catch share market itself. This article documents the availability and quality of data on transfers of catch privileges in fourteen US catch share programs. These catch share programs include several individual fishing quota (IFQ) programs and a number of programs that allocate catch privileges to self-organized cooperatives. Price information on catch share transfers is found to be limited or unavailable in most US catch share programs. Recommendations are made on how to improve the design of catch share programs and associated data collection systems to facilitate effective catch share markets, collection of catch share market data, and better use of information from catch share markets. 相似文献
4.
《Marine Policy》2016
Catch shares, where annual catch limits are divided among individuals, communities or cooperatives, are a commonly used fisheries management strategy to increase profits and reduce overcapitalization. Usually these quota shares can be sold or leased, which is theorized to allow for greater utilization of fleet-wide quota. However, this catch-quota balancing may not be achieved in multispecies trawl fisheries where it is difficult to selectively target valuable species while avoiding overfished species. Two similar catch-share-managed, multispecies trawl fisheries were compared to evaluate whether catch shares lead to catch-quota balancing. The U.S. West Coast Groundfish fishery has several species with low total allowable catches (TACs) while the Canadian British Columbia Trawl fishery has comparatively higher TACs. Results indicate that the West Coast fishery had a statistically significant decrease in catch-quota ratios from 0.41 in the three years before catch shares to 0.29 in the three years after catch shares. In contrast, the BC fishery experience no statistically significant change in fishery-wide average catch-quota ratios, which were 0.70 in the three years before and 0.62 in the three years after catch shares. In the West Coast fishery, the risk of exceeding quotas for some species may be so high that fishers are unable to achieve high degrees of catch-quota balancing and instead focus on species that can be easily selected with changes in fishing behavior. Multispecies fisheries management has direct tradeoffs between maximizing yield and achieving conservation goals, and these results may highlight the tradeoff between rebuilding overfished species by reducing TACs, and the achievement of catch-quota balancing. 相似文献
5.
《Marine Policy》1998,22(2):119-134
Besides fish-stock considerations, fisheries managers must often take into account competing heterogeneous harvest groups. A long-run allocation rule in a fishery decides more than just shares to the interested parties, it must also take into account the dynamic questions regarding how to divide a changing stock, between changing harvesting groups. Using the axiomatic approach in bargaining theory, we analyse two resource allocation rules that were consecutively implemented in the Norwegian cod fishery in order to distribute the allowable catch between coastal vessels and trawlers. The two allocation rules are compared with one another and with existing theoretic bargaining solutions. The actual allocation rules show little likeness to the well-known Nash bargaining solution, while there are some similarities to the less familiar Salukvadze solution, since shares vary for changing total allowable catch. The Generalised Nash bargaining solutions using man-years as relative weights, is closest to the actual allocations. The trawlers are shown to gain from the change in actual allocation rule at the expense of the coastal vessels. 相似文献
6.
In a widely received study Costello and his colleagues found that catch shares give better stock persistence and higher catch for fishermen. The conclusions made by Costello et al. were further supported by Grafton and McIlgorm where they suggested a framework in order to determine the costs and benefits of separate ITQ management in seven Australian commonwealth fisheries, and what the alternatives should be if the net benefits do not justify ITQs. This raises the question why we do not see catch shares being used more often. We explore at a global scale which countries would have the potential to, and indeed do, fulfil the conditions necessary to implement such a management strategy. 相似文献
7.
《Marine Policy》2015
Fishing fleets are subject to numerous factors that affect economic performance, making identification and attribution of such impacts difficult. This paper separately identifies the effects of changing input and output prices, fishery management, and quota allocations on total factor productivity using a Lowe Index. Indices account for technical change and decompose productivity estimates into its technical, environmental, and scale-mix components. This results in measures that reflect shifts in the production frontier, and movements by vessels toward and around the frontier, to capture economies of scale and mix after a policy shift to a catch share program that includes fishing cooperatives and a limited access fishery. The difference between cooperative and limited access vessels is exploited to compare the changes in economic performance between the groups after the introduction of the shift to catch shares and cooperative management, which allowed the vessels to improve the timing and coordination across multi-species fisheries and to decrease incidental catch of quota-limited bycatch species that had closed the target fisheries prematurely in the past. Results indicate that total factor productivity increased significantly after the move to a catch share program, largely due to increases in technical change that shifted out the production frontier of the fishery. 相似文献
8.
9.
《Marine Policy》2014
A unique database was created that describes the methods used to allocate shares in nearly every major catch share fishery in the world. Approximately 54% of the major catch share fisheries in the world allocated the Total Allowable Catch (TAC) solely on the basis of historical catch records, 3% used auctions, and 6% used equal sharing rules. The remaining 37% used a combination of methods, including vessel-based rules. These results confirm the widely-held belief that nearly all catch share programs have “grandfathered” private access to fishery resources: 91% of the fisheries in the database allocated some fraction of the TAC on the basis of historical catch. This publicly available database should be a useful reference tool for policymakers, academics, and others interested in catch shares management in Hawai'i and across the globe. 相似文献
10.
《Marine Policy》2014
The push for catch shares is on in the United States, nationwide generally, and in the western Pacific specifically. The prevailing understanding of catch shares emphasizes individual private property rights and changes in fisher behavior are understood to result from changes in rights in accordance with a long-established canon in fisheries economics. It is argued that this orthodoxy misses the causal factor in catch shares and thus constricts the range of policy options for catch shares. Moreover, this standard understanding of catch shares fosters opposition. Opposition to catch shares in the western Pacific can be understood as a specific variant of a generic pattern of opposition that is often centered on concerns for distributional impacts. Blind to the fact that their own misunderstanding fuels opposition, proponents of privatization resort to explaining opposition in terms of a simple, but inaccurate, for-or-against-catch-shares dichotomy. Perpetuation of this dichotomy has become a tool in the promotion of one particular ideological conception of catch shares and is a disservice to the public policy process. A possible path forward in the context of the western Pacific is presented that is based on diminishing the role of outside policy experts while encouraging local design of programs to meet local goals. Such an approach is consistent with the nature of development as local people adopt and adapt outside influences on their own terms. 相似文献
11.
The literature on catch shares is dominated by analyses of programs in developed countries. To address this research gap, this paper identifies and discusses programs in developing countries. The paper also investigates differences between countries that have and have not implemented programs across a number of relevant dimensions, including governance and resource value, and characterizes the relationship between catch share type (e.g., quota-based or space-based systems) and the species characteristics. The paper identifies programs in about 20 percent of coastal and developing countries and finds that countries with catch shares have higher governance rankings, stronger economies, more valuable fishery export industries, and fewer people employed in fisheries. For example, the average governance effectiveness rank is 38.7 for all coastal and developing countries and 60.8 for countries with quota-based fishing rights. Species managed under quota-based systems are also found to have the potential for strong recruitment externalities. The results support ideas from the fisheries economics literature on the pre-conditions that are more likely to lead to the adoption of a catch share program. 相似文献
12.
《Journal of Sea Research》2007,57(2-3):114-125
Many flatfish species are caught in mixed demersal trawl fisheries and managed by Total Allowable Catch (TAC). Despite decades of fisheries management, several major stocks are severely depleted. Using the Common Fisheries Policy (CFP) as an example, the failure of mixed-fisheries management is analysed by focussing on: the management system; the role of science; the role of managers and politicians; the response of fisheries to management. Failure of the CFP management could be ascribed to: incorrect management advice owing to bias in stock assessments; the tendency of politicians to set the TAC well above the recommended level; and non-compliance of the fisheries with the management regulations. We conclude that TAC management, although apparently successful in some single-species fisheries, inevitably leads to unsustainable exploitation of stocks caught in mixed demersal fisheries as it promotes discarding of over-quota catch and misreporting of catches, thereby corrupting the basis of the scientific advice and increasing the risk of stock collapse. This failure in mixed demersal fisheries has resulted in the loss of credibility of both scientists and managers, and has undermined the support of fishermen for management regulations. An approach is developed to convert the TAC system into a system that controls the total allowable effort (TAE). The approach takes account of the differences in catch efficiency between fleets as well as seasonal changes in the distribution of the target species and can also be applied in the recovery plans for rebuilding specific components of the demersal fish community, such as plaice, cod and hake. 相似文献
13.
《Marine Policy》2013
Bycatch presents a challenge to optimizing yield in commercial fisheries, where bycatch can total more than 1 million mt per year in the United States. Yet the economic impacts of bycatch have rarely been evaluated in the scientific literature. These economic impacts largely occur from the loss of landings through (1) early closure of fisheries when catch limits of bycatch species are reached; and (2) discards of marketable catch due to regulatory requirements in the fishery. This paper illustrates the economic impacts of early closures due to bycatch in U.S. fisheries by describing past case studies, as well as evaluating the economic impacts of discarding fish in U.S. commercial fisheries. Premature closures in the fisheries reviewed resulted in potential losses ranging from $34.4 million to $453.0 million annually. Nationally, bycatch estimates in the form of regulatory discards are annually reducing the potential yield of fisheries by $427.0 million in ex-vessel revenues, and as much as $4.2 billion in seafood-related sales, $1.5 billion in income, and 64,000 jobs. Our review also shows that some of the most promising work to reduce bycatch over the last decade has been the development of gears or gear modifications, termed “conservation engineering.” 相似文献
14.
There is a need to better understand the linkages between marine ecosystems and the human communities and economies that depend on these systems. Here those linkages are drawn for the California Current on the US West Coast, by combining a fishery ecosystem model (Atlantis) with an economic model (IO-PAC) that traces how changes in seafood landings impact the broader economy. The potential effects of broad fisheries management options are explored, including status quo management, switching effort from trawl to other gears, and spatial management scenarios. Relative to Status Quo, the other scenarios here involved short-term ex-vessel revenue losses, primarily to the bottom trawl fleet. Other fleets, particularly the fixed gear fleet that uses pots and demersal longlines, gained revenue in some scenarios, though spatial closures of Rockfish Conservation Areas reduced revenue to fixed gear fleets. Processor and wholesaler revenue tracked trends in the bottom trawl fleet, which accounted for 58% of total landings by value. Income impacts (employee compensation and earnings of business owners) on the broader economy mirrored the revenue trends. The long-term forecast (15 years) from the Atlantis ecosystem model predicted substantial stock rebuilding and increases in fleet catch. The 15 year projection of Status Quo suggested an additional ∼$27 million in revenue for the fisheries sectors, and an additional $23 million in income and 385 jobs in the broader economy, roughly a 25% increase. Linking the ecological and economic models here has allowed evaluation of fishery management policies using multiple criteria, and comparison of potential economic and conservation trade-offs that stem from management actions. 相似文献
15.
《Marine Policy》2014
To date, none of the fisheries in the U.S. Pacific Islands Region is managed under a catch share program. In light of the NOAA policy to encourage the use of catch shares as a fishery management tool, the Western Pacific Fishery Management Council (WPFMC) listed six commercial fisheries, including the Hawaii pelagic longline fishery, the largest in the region, as potential candidates for catch share programs. This study examines the baseline economic characteristics and the main challenges facing the Hawaii pelagic longline fishery and evaluates the impact of these on the desirability and feasibility of a catch share program for this particular fishery. 相似文献
16.
《Marine Policy》2014
Korea's coastal and offshore fisheries have experienced reduction in their catch in the early 2000. The amount of catch from coastal and offshore fisheries dropped from 1.7 million tons in 1986 to 1 million tons in 2004. To address such catch reduction, fish stock enhancement programs have been constantly developed and implemented. However, as fish stocks have been estimated to decrease since 2000 in spite of various management measures, the Korean Government genuinely acknowledges the necessity to enhance fisheries productivity through the recovery of depleted fish stocks. Based on such acknowledgement, a fish stock rebuilding plan (FSRP) combined with conventional fish stock enhancement programs was established in 2005. For stocks which have shown drastic decrease, a FSRP was set up and promoted. So far, 10 FSRPs have been established and operated, and plan is being made to expand them to 20 species by 2012. The result of pilot projects shows that stocks have been increasing after the introduction of FSRPs. For instance, the catch per unit effort (CPUE) of sandfish in the East Sea has increased from 0.44 in 2005 to 0.78 in 2011. Consequently, fishing income has increased by 15%. The key lessons learned during the implementation of FSRP are: the causes for the decrease of stock vary and are complicated and it is necessary to adjust and eliminate some conventional policies that could have unforeseen negative impacts on fish stocks. The FSRP-based fisheries management policy in Korea carries great significance, for it has changed the focus of policy from simply maintaining the status quo to stock recovery and it allows relevant stakeholders to get actively involved in the procedures of establishing and promoting the plan, leading to effective implementation of the plan. The current FSRP is operated with species, but if it can be gradually expanded to encompass the whole ecosystem, it will greatly contribute to more effective management and fish stock recovery for all species in offshore and coastal waters surrounding Korea. 相似文献
17.
Fishermen, scientists, national policy makers, and staff of environmental NGOs (ENGOs) hold different perceptions about temporal patterns in fish stocks. Perception differences are problematic in multi-stakeholder settings, because they elicit controversies and unbalanced disputes. These hinder effective participation, a prerequisite for ‘good governance’ and effective management of sustainable fisheries. This study shows that perceptions of change (‘does the stock increase or decrease?’) and of current status of a fish stock (‘is it doing well or not?’) are influenced by the capturing and processing of information, rather than by interests alone. We focused on the Dutch North Sea fishery on plaice and sole and examined (1) availability and accessibility of information on temporal patterns of these stocks and (2) perception differences between all parties. A first explanation for these differences is the use of different parameters as a measure for stock size. Fishermen focus on catch rates or catch-per-unit-effort (relative stock size), whereas scientists, policy makers, and ENGO-staff mainly use scientific assessments of spawning stock biomass (absolute stock size). Between-group perception differences are further explained by spatial aggregation levels of information, lengths of time series evaluated, and by modes of comparison to qualify the current status of fish stocks. Awareness of information differences and the development of shared information use and processing may release some of the tensions in multi-stakeholder settings debating fisheries management. However, comprehension problems amongst all parties on how spawning stock biomass is reconstructed and how it relates to catch rates in the fishery may pose an enduring barrier. 相似文献
18.
Britni N. TokotchChristopher F. Meindl Armando HoareMichael E. Jepson 《Marine Policy》2012,36(1):34-41
The Gulf of Mexico Fishery Management Council determined that previous management of the grouper and tilefish fisheries in the northern Gulf of Mexico were not meeting management goals, and developed a catch shares program using individual fishing quotas (IFQs) beginning in January 2010 in order to more effectively manage these fisheries. An IFQ is a management method in which individual fishers and corporations are allocated the right to harvest a percentage of a fishery's total allowable catch, thus specifying how much of a particular species each fisher can harvest. This study makes use of a mail out survey to document the perceptions of fishers, seafood wholesalers, fisheries managers, and academics with an interest in the (northern) Gulf of Mexico grouper and tilefish IFQ program. While fishers, seafood dealers, fisheries managers, and academics all acknowledge that the IFQ program will create some problems, commercial fishers and dealers were far more skeptical of the alleged benefits of IFQs. Moreover, larger commercial operators were more inclined to agree with managers and academics that the IFQ program will produce several benefits for their operations and the fisheries. Some smaller operators believe that they will be driven to ignore the new rules or be forced out of business. In the future, the Gulf Council might do two things: put a bit more effort into making fishers aware of the potential benefits of IFQs, and develop alternatives with more flexibility perhaps working more closely with communities of fishers, who prize their independent way of life above all else. 相似文献
19.
Kui Zhang Ping Geng Jiajun Li Youwei Xu Muhsan Ali Kalhoro Mingshuai Sun Dengfu Shi Zuozhi Chen 《海洋学报(英文版)》2022,41(3):24-33
Long-term variations in population structure, growth, mortality, length at median sexual maturity, and exploitation rate of threadfin bream(Nemipterus virgatus) are reported based on bottom trawl survey data collected during 1960–2012 in the Beibu Gulf, South China Sea. Laboratory-based analyses were conducted on 16 791 individuals collected quarterly in eight different sampling years. Average body length, estimated asymptotic length, and percentage of large individuals have decreased significan... 相似文献
20.
This paper compares the management of recreational fisheries for pink snapper (Pagrus auratus) in the inner gulfs of Shark Bay (Australia) and the closely related red sea bream (Pagrus major) in Sagami Bay (Japan). Fishing and other factors have resulted in population declines of these species in both regions. In response, fishery managers have employed contrasting management, more conventional catch controls in Shark Bay and stock enhancement in Sagami Bay. Although recreational harvest levels were higher than commercial levels in both fisheries, the driving mechanisms are comparatively different due to historical, social, economic and political issues in the respective locations. 相似文献