En quelques années, l'Indonésie est devenue un des premiers pays producteurs de crevettes. L'extension et l'intensification rapide des élevages a des répercussions socio-économiques et écologiques majeures. Après un pic de 130.000 tonnes en 1992, la production est tombée à 100 000 tonnes en 1993. Depuis, le développement de nouveaux sites...
La réalisation d'une zone d'éco-aménagement située entre Bouskour et Cala Iris se justifie par le fait que les communautés de pêcheurs et autres communautés vivant des ressources maritimes subissent un profond traumatisme car les stocks biologiques de la zone sont de moins en moins capables de les faire vivre. L'objectif...
Les changements intervenus dans le secteur des pêches au cours des deux dernières décennies rendent nécessaires une réévaluation de la validité des approches conventionnelles du développement et de l'aménagement des pêches. En effet, de nombreux projets de développement continuent à insister sur l'utilisation de bateaux et d'engins de pêche améliorés,...
La présente communication a pour but de démontrer, sur une base comparative, comment la variable ethnique joue un rôle incontournable pour comprendre les modalités du travail féminin dans la pêche en Afrique de l'Ouest, A partir de recherches bibliographiques effectuées au Québec, en France et lors d'un terrain en Côte...
This study examines the status of women and their contributions to the fishing industry in West Africa with a particular emphasis on Nigeria. The existence of varied fish resources in the region can play a significant role in the nutritional and economic well being of the people as it relates...
Au Maroc, la pêche des thonidés s’effectue essentiellement lors des migrations de ces espèces le long des côtes marocaines, soit de l'Atlantique vers la Méditerranée durant la période Avril à Juin et dans le sens inverse durant la période allant de Juillet à Octobre. Les espèces de thonidés capturées par...
Generic Quality Assurance Schemes referred to as Schemes, have been established in the primary industries in many countries. They represent an important part of the generic marketing for different categories of foodstuffs, especially primary produce. Such Schemes are established due to, among other things, severe competition in the international food...
Notre intervention s'articulera autour des deux axes suivants : les vecteurs de la stratégie marocaine et les moyens pluridimensionnel de sa réalisation. La stratégie marocaine concernant le développement du secteur de pêche maritime de base sur haute orientation de sa majesté le roi HASSAN II telles qu'énoncées dans la lettre...
La présente étude, sur les caractéristiques adaptatives des populations vivant de la pêche artisanale, fut menée au cours de l'été 1994 dans la région lagunaire-estuaire Iguape-Cananéia, située dans le sud-est brésilien. L’auteur démontre que contrairement à une vision statique de la pêche artisanale, ces populations se caractérisent par un forte...
L'activité de la pêche artisanale dans la région de Dakhla, (Sud du Maroc) revêt un aspect particulier par rapport à d’autres régions du Maroc. Cette activité est basée sur une dizaine de sites abritant quelques 1500 barques. La flottille utilise différents engins de pêche. Une étude typologique montre qu'il y...
All the Arab countries are producers of fish from marine, inland and aquaculture sources. Total fish production in 1994, as reported by FAO, reached 1.67 million tons. The estimated resource potential is in the range of 3-4 million tons. Trade in fish and fishery products in most countries is considerable...
Asia has made and is making great contribution to the world aquaculture industry and fisheries civilization. The article analyzes development of the aquaculture in Asia with the production potentiality and comparative advantage index. It gets the conclusion that the aquaculture in Asia industry has promising prospect. And at last the...
In the 2002 CFP Reform, a potentially significant change that took place involved tentative steps toward increasing stakeholder participation if fisheries governance. Participation by the fishing industry (and conservation groups) in the management of fisheries is, in general, a positive thing. However, participation has many different ‘practical definitions,’ i.e. it...
The Indonesian Coral Reef Rehabilitation and Management Program (COREMAP) is a 3 Phase, 18 year (1998 - 2016), USD 250 million national program aimed at protecting, rehabilitating and better managing Indonesia's coral reefs and their associated ecosystems and improving the livelihoods and incomes in target coastal communities where currently 60%...
The Jakarta fishing port that is the greatest fishery position in Indonesia was located in important area on the natural ecosystem where the Mangrove wood grows thick from the first. In maintenance of the fishing port, the harmony with these environments was the important subject. For this reason, in improvement...
The shrimp culture industry has been progressing steadily in many countries during the past decade due to its potential economic value. beside the progress of culture, considerable research finding was implemented to formulate diets, whereas, studies on the contribution of natural diets to shrimp growth in earthen ponds are still...
Exports of fish products are important to diversify sources of income and achieve higher standards of living to fisher folk. This paper attempts to trace the strategic situation of export oriented seafood industry in Sri Lanka, focusing on how the international market dynamics have influenced the emergence and development of...
The natural estrogen 17β-estradiol (E2) is responsible for the endocrine disruption and also has potential effect on the reproduction of vertebrate. However, its effect on invertebrate reproduction has scarcely been studied. The present study was conducted to determine the effect of E2 on survival, egg production and egg hatch of...
The growth of tiger shrimp P. monodon and physicochemical factors of pond water and sediment were observed in tropical climate using bacterial products called probiotics. No improvement in shrimp growth and water quality was noted compare to other reported studies. The organic matter (OM) and total sulfur (TS) of pond...
There are approximately 3000 fishing ports in Japan and there have been strong criticisms against the dispersed construction of fishing ports. The dispersed construction of the fishing ports is inevitable and historical consequence of the style of the production and life of fishing operators. In recent years, with the fishing...
This study addresses the factors that are causing a shortage of successors in fishery and possible countermeasures. The interrelating structure of these factors was clarified using the DEMATEL (DEcision MAking Trial and Evaluation Laboratory) method and the effectiveness of the countermeasures was evaluated. Problem-causing factors were also hierarchized using ISM...
The population of adult perch in the Baltic Sea consists of a number of spawning populations. Spawning migration is different in different tagging places. Perch were marked with Carlin tags during the spawning period and released after tagging in the area where they had been caught. In Helsinki sea same...
Currently documented that pyridine triphenyl borane (KH101) is possible to use as an alternative of tributyltin based antifouling biocide in coastal and marine environment. But its impact on marine life especially on smaller zooplankton is so far unknown. The present study was conducted to determine the effect of KH101 on...
Canned tuna is a typical international Agribusiness-based product. The most representative flow of the product is such that the tuna is processed in a firm in the developing country of the tropical area where the canned material, namely tuna and skipjack, is caught and landed. Canned products furnish standardized features...
The long-range objective of an aquaculture extension system is to help the rural fish farmers to reduce their desperate state of poverty through augmenting fish production. The study was conducted to understand the present situation of fisheries extension and to make a policy recommendations for the development of fisheries extension...
The objectives of the study are to clarify the participation of coastal communities on coastal resources and environmental management in Chang Islands. The individual interview technique with structural questionnaire was used as the tool for data collection. The samples include fishers, aquaculturists, employees, traders, tour operators and government officials. Two...
Inland fish farming is still a mystery for the economic development of Africa. Many African countries especially in the south of the Sahara do not largely practice inland fish farming for commercial purposes. This is because many Africans still believe in their economic redemption through crop production, grants and or...
Bangladesh occupies a unique position due to her natural fisheries resources in South Asia. Fisheries can play a positive role in the supply of delicious and high quality protein food for the people of the country. Credit is a powerful doorway to reduce poverty. It helps the poor to fight...
The paper presents a detailed approach to modeling supply and demand of the Asian fish sector. It discusses the salient features of the fish sector in Asian countries that need to be incorporated in a comprehensive model of fish supply and demand, as well as the usefulness of supply and...
This study reviews patterns of consumption and expenditure of fish at home at disaggregate level and analyzes demand for nine different fish species/species group. The analysis is based on the household consumption survey in inland provinces of Thailand conducted during 1998-1999. Result shows that the annual per capita fish consumption...
National and intergovernmental regulation of fisheries has not been sufficient to prevent many failures of fisheries management at the global scale. International trade in fisheries is of the order of USD 10 billion annually, mostly from “South” to “North”. Developing countries, particularly in Asia, benefit from this trade, and domestic...
The Fish and fish products have emerged as the largest group in agricultural exports of India. The export of fish and fish products has jumped from a mere sum of US $ 10 million in 1960-61 to about US $ 1300 million in 2000-01. The export basket of fisheries sector...
In many of the developing countries fish export is a significant source of foreign exchange earning that helps to stabilize macroeconomic indicators and provides nutrition and food security to the poor people of these countries. However, performance of fish export of these countries depend on, among other things, continued access...
There has been a structural shift in the global supply, demand and trade in fish and fisheries products since the early 1980s that has shattered the traditional dominance of the developed nations. Despite a declining trend in the global exports of primary products, the percentage contribution of fish has been...
The International Food Policy Research Institute (IFPRI), the World Fish Center (ICLARM), and the Food and Agriculture Organization (FAO), are collaborating to incorporate fish into IMPACT, a global model of food supply and demand that estimates market-clearing prices for 28 commodities in 36 regions. Results of the projections to 2020...
Resource Management and resource sharing issues are intimately connected. Through discussion of a constructed scenario workshop participants were encouraged to share different perspectives on the management challenges of the interaction between resource management, resource access and sectoral resource sharing issues. A key issue expressed by participants was the need to...
The South Australian rock lobster fishery is about 2,700 tonnes annual catch and is accessed by commercial, charter and amateur fishers. The commercial sector is managed in two zones, one based on input controls and the other on individual transferable quotas. The commercial sector pays 100% of the costs of...
It is now widely acknowledged that an explicit and well-defined fishery property rights regime can enable the sustainable utilisation, and the long term protection of the marine environment. Within the commercial sector, formal and legally binding trade, exchange, and/or access sharing mechanisms have existed for many years. Trade and exchange...
There is an increasing awareness that good fisheries management outcomes are often related to the calibre and training of the participants in the fisheries management process. In the 1994-2001 period several national training projects were undertaken across Australia to examine and develop the training requirements of both fisheries management staff...
Organizers convened an international workshop to address training necessary to produce effective managers for 21st century fisheries. The workshop involved government, industry, academic, and nongovernmental organization (NGO) leaders from Oceania, North America, and Europe. They addressed vision and management challenges of 21st century fisheries; requisite skills and knowledge; current training...
This paper addresses the question of how to equip U.S. managers and policy makers with the management capacity required to successfully manage 21st century fisheries. Management capacity comprises the knowledge, skills and processes that enable the effective development, implementation and enforcement of regulations. The theme of this paper is that...
There is an increasing realisation among fisheries managers that fisheries management must include participatory approaches, because fisheries management need to address complex issues including many interests, disciplines and issues. It is also becoming generally accepted that fisheries management cannot be based on simple predictability of nature and fisheries behaviour, but...
Marine ecosystems are generally more extensive and complex than terrestrial ecosystems. Our understanding of the ecological relationships and biological processes within marine ecosystems is rudimentary but improving. In addition, our appreciation of the range of goods and services available from the marine environment and demand for competing economic uses of...
The purpose of this study is to estimate the institutional change to the fisheries management system caused by the TAC system in Japan, referring to the case study of snow crab (Chionoecetes opilio) in the western Japan Sea. Snow crab fisheries management in Japan has been carried out based on...
The status of fisheries resources on coastal and offshore areas is getting worse in Taiwan. Thus, to establish a fishery resources management system has become the main task among stakeholders. In this study, we would like to examine the feasibility of imposing the community-based co-management system and setting closed fishing...
This paper develops an option value model to examine vessel owners in deciding to participate or not in the vessel buyback program. The model accounts for the uncertainty generally involved in a decision to retire an aged vessel and the underlying value of waiting for new information about the profitability...
New Zealand has recently implemented major changes to its Fisheries management regimes including strengthening the quota based property right, devolving the delivery of quota registry services to the industry and developing new computer systems to support industry and government requirements. The success of these changes is due to a number...
Setting aside the traditional simplistic “tragedy of the commons” notion, fisheries crises observed in the Northern Atlantic may be seen as the result of “mismatches” in the decision making process. The collapse of two fisheries, Atlantic Cod (Gadus morhua) in Canada and European Hake (Merluccius merluccius) in Europe, illustrate the...
Fisheries worldwide continue to suffer from the negative consequences of open access. In 1986, New Zealand responded by establishing an individual transferable quota (ITQ) system that by 1998 included 33 species and more than 150 markets for fishing quotas. We assess these markets in terms of trends in market activity,...
Rights-based management in federally managed fisheries off Alaska has evolved rapidly over the past decade. While license limited entry and individual quotas (with rights assignments to vessel owners) were the principle tools under consideration in the early 1990s, in 2002 a wider range of programs and program options are under...
Although many fisheries around the world have long required explicit licensing for fishery participants, the use of limited entry licensing to control fishing effort has become a common practice in the last two decades. In contrast to Individual Fishing Quotas (IFQs), limited entry is only a step towards rights-based management....
Western Australia operates a diverse enforcement and education program aimed at achieving high compliance in a wide range of commercial and recreational fisheries managed using a mix of input and output controls. Since enforcement resources are invariably insufficient to totally eliminate non-compliance with fishery rules, it is important to ensure...
Current fisheries management approaches based on centralised government intervention have proven inadequate to deal with the present management and cannot meet its objectives including reverting stock depletion, resolving user group conflicts, increase profitability and prevent social disruption. There is no easy solution to this problem. New institutions enabling fishing communities...
The study used a combination of fairly standard and often overlapping participatory tools and techniques as well as SWOT analysis in the context of the sustainable livelihoods approach (SLA) which is emerging as a potentially useful way to looking at policies and institutions to address poverty. The adoption of fisheries...
Norway has for years managed its coastal fisheries through a regime that for all practical purposes has acted as open access, that is, open for bona fide fishers. The trawling sector was closed already in the 1930s, and the large offshore fleet was regulated through limited entry licensing from the...
Differences in technical efficiency of fishing vessels are often attributed to skipper skill and differences in technology. While the later can be defined in terms of the technology employed, the former is more difficult to quantify. In this paper, the contribution of technology and skipper characteristics (e.g. level of education,...
New Zealand’s quota management system, the QMS, has for years been considered as one of the most successful rights-based fisheries management system in the world. Although the hard evidence is at best patchy, New Zealand’s fishing industry is performing well ahead of most competitors, both in economic, biological and administrative...
The very restrictive quotas of cod in the Baltic Sea are a strong force for searching alternatives. Since 1996 for instance, the cod quota for the German fishery was reduced from 22 000 t to 13 000 t in the year 2001. And further cuts took place in 2002. However,...
This paper explores New Zealand’s experience with introducing species into the Quota Management System (QMS). The Fisheries Amendment Act 1986 implemented the QMS based on the allocation of individual transferable quota (ITQ) to those who met the allocation criteria. At that time the Ministry of Fisheries (MFish) introduced 32 species...
Technical efficiency (TE) measures the relationship between a vessel’s inputs to the fishing process and its outputs, with full efficiency being achieved when outputs are maximised from a given set of inputs. Inputs can be physical (e.g. the vessel, gear, engine, onboard equipment, etc.), flexible (time spent fishing, size of...
The aim of this paper is to assist teaching undergraduate students how to analyse the issue of fish stock investment. The mathematical prerequisites are a basic knowledge of calculus. Both discrete and continuos time frameworks are used. To fish down or to build up a fish stock takes time, and...
This paper looks at some of the seemingly positive developments in fisheries governance over the last twenty-five years. It asks why fisheries management, if improving, is still failing in its basic objective of managing the people who catch fish so as to ensure that there are enough fish left out...
Multiobjective decision analysis (MDA) is a useful assessment method when fishery managers need a systematic investigation of the trade-offs involved in the selection of alternative policy options. An important class of techniques within MDA is vector optimization, consisting of mathematical programming models with vector valued objective functions. From the management...
Fisheries economists have studied fisheries managed with ITQs and compared them to fisheries that are differently managed. Most of these studies have found ITQs to be economically superior. This paper studies the ITQ-fisheries in Iceland. It focuses on features that are difficult to explain using traditional fisheries economics. It is...
The harvest technology of several multispecies fisheries has been explained in the recent literature using dual-based models. These studies are useful for explaining rent dissipation, estimating input and output elasticities, as well as describing other aspects of fisherman behavior. Most of these analyses have assumed that inputs are fixed at...
Management of the Danish protein fisheries in the North Sea has during recent years become increasingly politicised, as various stakeholder groups are seeking influence on the decision-making process. In relation to management of the sand eel and Norway pout fisheries, two different issues are debated. In the sand eel fishery,...
Until recently the execution of the fisheries management schemes in the Netherlands was to a large extend centralized. In 1993, however, part of the executionary responsibilities was delegated to the fishing industry. In this new system, responsibilities in the management of individual transferable quota (ITQs) has been devolved to groups...
In this paper we define the regulatory structure of the New Zealand Quota Management System (QMS) and document key changes in its operation over time. We document the relevant legislation that affected the quota market from the Fisheries Act 1983 forward. We describe how the QMS operates in New Zealand...
Fisheries management is characterised by multiple objectives. However, seldomly do bioeconomic models incorporate more than one or possibly two key objectives, typically profit and employment, into an analysis. There are both practical and technical reasons for this. This study considers the incorporation of eight key objectives into a bioeconomic analysis...
Annual recruitment of the New Zealand longfin eel (Anguilla dieffenbachii) has decreased by around 75 percent since heavy levels of commercial fishing began in the early 1970s. Given the unsustainability of existing regulatory policy, a deterministic multiple-cohort bioeconomic model is developed and applied to this system to gain insight into...
New Zealand’s fisheries legislation generally sets out a centralised and prescriptive management framework, predominantly based on annual decisions on both management measures and service delivery. A recent amendment provides for the Minister of Fisheries to approve fisheries plans, but does not specify what needs to be included in a plan...
In British Columbia “co-management agreements” are improving the sustainable management of many commercial fisheries. While some fisheries have fairly extensive co-management agreements which outline cost recovery, joint and separate roles and responsibilities for enforcement, science, and management, most do not. There are a number of important factors which have limited...
The French Norway lobster (Nephrops norvegicus) fishery situated in the Biscay Bay is composed by about 250 costal trawlers. These boats are registered in harbours located in South Brittany (Le Guilvinec, Lorient, Concarneau) and in the Vendée (Sables d'Olonnes, La Cotinière). The main particularity of the fishery is that lobsters...
The Enhanced Data Collection Project (EDCP), administered by the Oregon Department of Fish and Wildlife, collected data on discard rates for groundfish species and bycatch rates of prohibited species. From late 1995 to early 1999 EDCP observers collected discard data from 235 fishing trips by 25 trawl vessels that voluntarily...
In marine resource management, spatial policy instruments, including Marine Protected Areas, are becoming increasingly important. The economic motivation for spatially explicit policy is that renewable resources generate, in addition to the conventionally recognized incentives to over-harvest in the face of insecure property rights, spatial externalities that distort the spatial distribution...
For three years, a multidisciplinary group of researchers in social sciences, has analysed the Ethical, Legal and Social Aspects of fisheries management in Europe. In the framework of this ELSA Pêche programme funded under the ELSA line of the FAIR research programme of the European Commission (DG XII, Research), a...
Fishing overcapacity has lead to unsustainable harvesting and rent dissipation in global fisheries. Only government intervention of some kind can lead to a reduction in capacity. If efficiency is the primary objective for the regulator, then the least efficient vessels should be decommissioned. Here we analyze the Swedish fishery using...
Management of individual species in a multi-species fishery poses a number of challenges for fishery management systems, including the problem of managing fish bycatch. Fish bycatch is sometimes identified as a particular problem associated with management systems based on individual transferable quotas (ITQs) but this has not always proven to...
As the British Columbia salmon fishery developed, the Canadian government, with constitutional responsibility for the resource, faced a number of critical turning points in management policy. In early years, partly for expediency, the allocation of fishing privileges often resulted in efficient levels of effort but little attempt was made to...
Since the collapse of the Newfoundland groundfishery in 1992, the snow crab fishery has become Newfoundland’s largest fishery, accounting for approximately half the value of total landings. This study uses trip log data to estimate the production frontier and the technical efficiency of this fishery using a Stochastic Frontier Analysis...
Recently, there has been an increasing interest among researchers on efficiency in fisheries. They have not just been focused on the analysis of the efficiency itself but also for other purposes as measures of capacity utilisation. However, often, efficiency analyses do not offer clear results regarding the sources of the...
Fisheries affect fish stocks through their exploitation rate and exploitation pattern. Both influence the economic yield from the fish stock. In regulated fisheries, the exploitation rate is determined either by the acceptable level of fishing effort or catch, whereas the exploitation pattern is determined by selectivity of gears and/or regulatory...
The Irish Sea, being an area fairly discrete and partially isolated from adjoining fishing grounds, lends itself well to research studies. The area is fished by Ireland and the United Kingdom, with limited effort by France and Belgium, and has been known to be overfished for quite a long time....
Traditional fisheries management schemes provide fishermen with incentives to maximise their individual share of the catch, while individual vessel quota management schemes change incentives to maximise profits from their individual share of the catch. The way that one models the fishermen’s optimisation problem in empirical studies should reflect the changed...
The result of changes in regulation or monitoring and enforcement of commercial fisheries are highly dependent on fishers’ supply response decisions. One central determinant of fishers’ reactions to such changes is their risk preferences. Empirical studies of fishers’ preferences have found that most fishers are risk averse. In this paper,...
The purpose of this study is aimed at developing a simple bioeconomic model of the Namibian rock lobster fishery, with the main objective being to incorporate economics into fisheries management in order to estimate the potential economic benefits that could accrue to the fishery given efficient management. The complex nature...