Fisheries models are generally built to assess the dynamics of a resource with a given fishing mortality
which level can be decided by some “decision maker” and/or which can be an observed process, e.g. times series proportional to some observed values of fishing effort. In these cases, the resource dynamics...
A higher dependence on the resources motivates to community participation on resources management. Uses of common property resources are not benefit to each and every person in equal rate of resources since magnitude of the resources extraction depend on the number of criterion. Selecting of the interest group for the...
Inland fisheries in the Tonlesap Lake of Cambodia play an essential role in providing with protein and cash income to the poor around the lake. However, the fisheries face a crisis of fish resource depletion due to excessive catch, water pollution and decline in the water level of the Lake....
Fishery villages (Van Chai) has been formed for about 300 years since pioneered fishers settled in Phan Thiet for their livelihoods. This was a original social professional organization found before official administrative system established.
Binh Thuan has more than 30 Van Chai in coastal areas, in which about 20 importantly...
Though the basic purpose of MPAs is marine ecosystem conservation, the question of their influence on the local economy is often critical since it governs their social acceptability. This paper addresses the
problem of measuring the local economic impact of MPAs, on the basis of a comparative analysis of socio-economic...
In the summer of 2005, fishing began under a novel management program in the Bering Sea and Aleutian Islands crab fisheries. To protect processor and community interests, the program requires harvesters to land their catch with processors having historic participation in the fisheries. This requirement effectively prevents
processor competition for...
The long history of the van chai system of Vietnam began several centuries ago with their establishment mainly in the lower and middle reaches of rivers northern Vietnam and in coastal lagoons in Central Vietnam, whereas those in marine embayments, like Ha Long Bay, and in enclosed coastal areas, like...
This paper studies the potential for cooperation in shared fisheries when the countries in the coalition act in a Stackelberg fashion with respect to the remaining singletons. An increase in the cooperation level is a social welfare improvement, leading to an increase in both the steady-state fish stock and total...
The paper analyzes the recent behavior of the Peruvian Anchoveta Sector, the largest single stock fishery in the world. It describes the different phases of boom and contraction that it has undergone since the 1960s, and how the lack of adequate regulation allowed –and even fostered– over-investment in the sector...
This paper contributes to the literature on economic efficiency, technical change, bioeconomic modeling, and renewable resource economics in general by introducing output-oriented Debreu-Farrell technical inefficiency and technical progress into normative static and dynamic bioeconomic models of a fishery and examines the economic and policy ramifications for the open-access Nash and...
The Lofoten fishery exploits the spawning migration of the Northeast- Arctic cod and is one of the fisheries in the world with the longest history. Since 1860, data on participation and catches in the Lofoten fishery are available. For about a hundred years, labor productivity in this fishery, measured as...
On the basis of literatures and the data from stratified sampling of 160 fishing vessels in the East Sea Region of China, the process of institutional transition of operational systems of fishing vessels in the region, which started from 1979, their present situation and performance were analysed in this paper....
Main fishing gear in Thailand was otter board trawls. More than 70% of the total Thai fishing vessels had been using this fishing gear, as well as push net which was restricted targeting for demersal resources. Due to the 2.5 cm fine mesh size, juvenile economic species had been caught...
Age and size at maturity are key life-history traits in a fish stock. At the individual level age and size at maturity affect fecundity, growth and survival. At the population level these factors interact to affect age and size distribution, the population dynamics and the productivity of the stock. A...
The Coral Triangle Initative is a new initative in environmental ecosystem management which as officially kicked-off by 6 countries in December 2007. The paper reviews the history of the initiative (transboundary international "Peace parks" concept, bringing together other eco-regional initiatives) and points to the direction it is currently taking with...
The impacts of fishery management actions on shore-based fishing and fishing related infrastructure have received increased attention in the Northeast region of the United States. However, analyses of these impacts have generally focused on directly affected fisheries, ignoring changes in other fisheries and on other sea and land-based activities. Developing...
Climate change may cause significant changes in the distribution, abundance, and species mix of commercial fishery resources. In any given area stocks of some species may decline; stocks of other species may increase; and new species may appear in commercially significant volumes. However, it is difficult to predict what specific...
Tam Giang - Cau Hai lagoon systems covered over 22.000 ha, along coastal region from North to South of Thua Thien Hue with 70 km and more than 400.000 inhabitants are living around in lagoon systems. There are many livelihood activities as fishing, aquaculture and farming. Aquaculture systems are diversified:...
Traditional extensive coastal and semi-intensive aquaculture systems in Southern Europe are facing difficulties, especially due to increased competition for coastal areas uses and market competition, due to low-price products from intensive aquaculture. The positive effects of extensive and semi-intensive aquaculture in coastal areas - including environmental protection and restoration in...