Recently, Mediterranean lagoon environment, mainly in the North Adriatic area, has been threatened by the overexploitation of fishery. Fishing has been rapidly growing since clam (Tapes phippinarum) fishery has spread over several lagoons. Fishing growth has been accomplished by capital-intensive fishery equipments increasing harvesting beyond the sustainable biological growth. This...
A linear programming (LP) profit-maximization model and a Target MOTAD risk programming model were developed to identify optimal management strategies and associated risk levels for the aquaculture of penaeid shrimp in Honduras. Data for this study were provided by three cooperating shrimp farms and included complete production records of 1,004...
The paper analyzes the relative performance of two market-based fisheries management instruments in the presence of a stochastic stock-recruitment relation. Regulators are forced to choose either a fee per fish landed or a quota on the total fish harvest at a time when they are uncertain what will be...
In this paper, a three-country dynamic bio-economic model is presented and used to simulate catch levels, stock size and profit potential of alternative management strategies for the Norwegian spring-spawning herring fishery. Management of the herring fishery is complicated by the migratory behaviour of the species moving between coastal state zones...
Polish distant water fisheries reached a crisis in the 90s. Thereby the present paper provides a charactwristic
of distant water fisheries where their main problems and possible solutions are briefly defined.
Following an assessment of Mexican water resources by governmental agencies in the late 1940’s, Tabasco State was identified as a potential area for aquaculture development, as the State holds 30% of National water resources and an important share of Southeast Mexican fisheries, particularly for oyster production. However, conflicts and competition...
Three speakers give their impressions of the conference with praise as well as suggestions for the future. The inter-disciplinary nature of the conference was praised as wellas the attempt to integrate non-economists and those outside of the academy. One suggested that fisheries cannot be properly understood and cannot be properly...
The current U.S. moratorium on implementation of new Individual Quota (IQ) programs has left fishery managers without an important tool in the quest for successful management systems. Meanwhile, many fisheries, such as the west coast groundfish fishery, are in desperate need of capacity reduction and more flexible management.
The Pacific...
In this paper, we use a common renewable resource model with stochastic growth to obtain three main results. First, we demonstrate that predictions of poor future environmental conditions lead to lower desired escapement (i.e., low remaining resource stock in place after harvest) and higher current harvest. At first glance, it...
Given high levels of uncertainty associated with fish stocks, predetermined access rights to the fishery may not deliver the most efficient outcome. Real time monitoring of the fishery could allow effort to be expanded or decreased in accordance with a set of performance indicators. The potential for using real time...
The Portland Fish Exchange, opened in 1986 has grown into a highly successful auction. During the same period other auctions in New England have diminished in their importance. Other attempted display auctions on both the east and west coast of the United States have failed. What factors have made the...
A large share of world production of aquatic animals of around 120 million tons per year enters international marketing channels. Since more than 90% of this trade consists of processed products in one form or other and in general represents products from the higher value segments, a comparison on a...
Measurement of capacity in marine fisheries is an important activity. An economic definition of capacity is the output level corresponding to the tangency between the long-run and short-run average cost curves. A technological-engineering definition is the maximum output per unit of time provided variable inputs are unrestricted. Although cost data...
In the recent years, resource depletion of inshore and coastal fisheries has seriously impacted Taiwan. Local fishing communities’ economic profits in these fisheries have declined and resulted in lower earned incomes for the fishermen. These phenomena have lead many scholars, government agencies and fishing communities to evaluate the optimal number...
Weitzman's paper is useful because it provides the fisheries economics profession with a reason to re-examine certain elements of the currently accepted fisheries management theory. As a result, this contribution may lead to a more solid theoretical foundation for fisheries management. This, of course, is the way any science is...
Commercial fishing in Queensland, Australia, involves a diversity of fishing activities such as trawl, line, net and crab. Due to a complex licensing arrangement (Licence Packages), most fishers are endorsed to operate in more than one fishery providing flexibility for commercial fishing operations. The aim of this paper is to...
Pacific Salmon are anadromous fish that cross state and international boundaries in their oceanic migrations. Fish spawned in the rivers of one jurisdiction are vulnerable to harvest in other jurisdictions. The rocky history of attempts by the United States and Canada to cooperatively manage their respective salmon harvests suggests that...
Cooperative research, the active participation of industry in scientific research, is receiving increased attention as an alternative to traditional government-sponsored methods. Its strongest attributes are its potential to improve spatial and temporal collection of fishery data while reducing some research costs. Despite these potential benefits, there are obstacles to adopting...
The recent expansion of the longline commercial fishery has heightened the conflicts among various fisheries in Hawaii, especially between longliners and non-longline commercial (troll and handline) and recreational fishing boats. The recent court ruling against longline fishing on some waters around Hawaiian islands may provide an impetus for the expansion...
1999 marks the end of the first decade after the reestablishment of a free Poland and of the Polish market economy. Tremendous changes have been undertaken, and the seafood sector is no exception to ther general rule; it has changed to an extent that no one could have foreseen at...
The United States has been collecting supplemental economic information in addition to biological catch and effort data from saltwater recreational anglers. This supplemental information was collected to enable the estimation of travel cost models of recreation demand. This paper will discuss in detail the data that is available and the...
The seafood industry is one part of the food industry competing for consumer protein demand. Generic advertising or promotion offers one approach to expand that demand. Generic promotion programs focus on market expansion involving an entire industry or segment. They involve advertising directly to the final consumer or to institutional...
Despite growing interest in Marine Protected Areas, relatively little is still known in practice about their economic impact or their distributional consequences for stakeholders. The present paper, based on an EU-funded project, attempts to shed light on this issue by examining the economics of an artisanal fishery operating in an...
Risk management has become increasingly politicized and contentious. Polarized views, controversy, and conflict have become pervasive. Research has begun to provide a new perspective on this problem by demonstrating the complexity of the concept “risk” and the inadequacies of the traditional view of risk assessment as a purely scientific enterprise....
This paper considers the regulation of a natural resource within a dynamic common agency framework. In setting harvest quotas, the regulator responds to lobbying pressure (contributions) from harvesters and conservationists. The truthful Markov perfect equilibrium stock is then an increasing function of the effective political weight for conservationists. Since the...
This paper addresses the adequacy and perspectives of multi-agent system (MAS) models in the context of policy sup-port for agricultural policy makers. The paper starts illustrating what MAS are and how they may be used. The general presenta-tion is followed by the description of an exemplary spatial dynamic model of...
A logical analysis of the common fisheries models used in stock assessment has shown that they produce specific predictions with the logical form of existential statements, fail Karl Popper’s falsifiability criterion, and so cannot be falsified or tested by the empirical evidence. By contrast, the theoretical models of fisheries economics...
Main research question: The aim of the study was to investigate how health perception, eating habits and
socioeconomic pattern influence choice of seafood. Materials and methods: A randomly drawn sample of Norwegian women
aged 45 to 69 years answered a self-administrated mail questionnaire about eating habits, socioeconomic status, and
questions...
Two developments: investigation of the relationship between climate and the size of small Pelagic fishstocks, and the extension of this relationship to include its impact on economic activity indicate the importance of specifying the linkage among changes in the environment, a profitable and stable industry and conservation of the resource...
The objective of the paper is to analyse and to simulate fishers dis-investment behaviour especially in the context of the French buyback policy. A case study, the limited entry scallop fishery of the Saint-Brieuc bay is used to consider the problem of excess capacity and to review the impact of...
The Cuban seafood industry has long been an important supplier of certain high-valued seafood products for the world market. In addition, the industry has historically played an important role in providing seafood products for the domestic markets in Cuba. Assistance from the Soviet Union during the 1960-70s led the development...
This paper considers the costs of fisheries management. It starts by reviewing the costs of fisheries management in Iceland, Newfoundland and Norway. The outcome of this study, as well as information from other countries, indicates that fisheries management costs are generally quite substantial relative to the value of landed catch....
In 1990-1993 in Kapasia sub-district in central Bangladesh ICLARM introduced low-input aquaculture for pond owners to adapt into their farming systems. Impacts on production, fish consumption and markets were assessed in 1998-1999. The percentage of ponds stocked increased from 1990 to 1998, but did not differ significantly between past participants...
Recent trends in global fish production, consumption and trade reflect several fundamental shifts in the structure of supply of and demand for fish and seafood. Rapid changes in world demand for fish is first discussed. Six panelists discuss the issues derived from considering fisheries—with particular emphasis on aquaculture—as a major...
In recent years, payments to purchase resources or easements or to change landowner behavior have become a major vehicle for resource conservation and environmental protection. These funds use various strategies to target resources for conservation, the choice of which may lead to striking differences in economic and environmental performance. In...
Indigenous knowledge (creation of human well-being with a modicum of Earth resources) in India was augmented in the twentieth century with new technologies. The new technologies have raised Indian well-being, but these
improvements has been insufficient to motivate Indians to choose families small enough to achieve human sustainability.
Fortunately, within...
Thaler’s short paper is written to forecast the future of economics. The author states at the top that he will be subject to certain biases and also suggests good reasons why he will be subject to them. But, it turns out that the forecasts themselves are not supported by objective...
The fishing activities within the English Channel may be regarded as various components of one large multi-species multi-gear multi-area fishery. As a result of a bioeconomic analysis of this fishery, significant differences in profitability between activities were outlined. According to industrial economics, such differences may be regarded as the result...
An integrated model combining a wildlife population simulation model and timber harvest and growth models was developed to explore the tradeoffs between the likelihood of persistence of a hypothetical wildlife species and timber harvest volumes on a landscape in the Central Oregon Cascades. Simulated annealing, a heuristic optimization technique, was...
The diplomatic corps of Iceland has used much of its time during the third quarter of the 20. century to convince other nations that Icelanders should control and utilise the resources of the waters within 12, then 50 and finally 200 nautical miles around the island. Icelandic politicians have used...
The Columbia River in the Pacific Northwest region of the U.S. is home to the greatest hydroelectric system in the world. Its dams provide 75 percent of the power needs of nearly 10 million people. But the dams also create numerous obstacles to the survival of what was once the...
It is fitting for the theme of IIFET 2000 “Microbehavior and Macroresults” that some of the smallest life forms on planet Earth (caliciviruses measuring 36 nanometers in diameter), which replicate only inside the living cells of their hosts, be examined. From their beginnings in this microscopic ecologic niche where they...
This paper elaborates the use of distributed Genetic Algorithms (DGA) to study an artificial land rental market. The
study is based on a spatial comparative-static model in which a number of spatially ordered agents (farms) compete in an auction
for renting land. Each agent’s behavior is determined by a genetic...
In April 1997, the Council of the European Union (EU) initiated a debate about Community fishing agreements (CFAs). In its conclusions, the Council invited "the Commission to undertake an analysis of the costs and benefits of fishing agreements with the Community". The overall aim is to provide pertinent information to...
Using individual firm data from before and after the introduction of ITQs in the multi-species Nova Scotia mobile gear fishery, data envelopment analysis (DEA) is used to examine issues relating to capacity and capacity utilization. The paper examines how a change in the property rights regime can affect a multi-product...