Fisheries

Fish are a valuable resource, providing an important source of food and income on a global scale, especially for poor people. Fisheries in developing countries often suffer from the lack of well defined property rights (open access), causing problems with management, overfishing, compliance, and stock conservation. The EfD fisheries theme addresses these issues in a series of research projects:

tanzania | Fisheries Managing marine protected areas through incentives to local people; The case of Mnazi Bay Ruvuma Estuary Marine Park Marine Protected Areas (MPAs) in poor countries typically address the impact of fishing restrictions on rural resource-dependent villagers because of their mandate and because achieving conservation goals requires altering household fishing behavior.

ethiopia | Behavior ec. Fisheries Low-income fishermen's willingness-to-pay for fisheries and watershed management: An application of choice experiment to Lake Tana, Ethiopia In this paper, choice experiment was applied for valuation of Lake Tana’s fishery and watershed. Agimass, Fitalew and Alemu Mekonnen, 2011, "Low-income fishermen's willingness-to-pay for fisheries and watershed management: An application of choice experiment to Lake Tana, Ethiopia" Ecological Economics (2011), doi: 10.1016/j.ecolecon.2011.08.025 (forthcoming)

eeu sweden | Fisheries Policy design Optimum tax on foreign fishing in Africa protects stocks and domestic fishing Press release from University of Gothenburg, School of Business, Economics and Law, Environmental Economics unit, 24 May 2011

eeu sweden | Fisheries Policy design Bioeconomic model of spatial fishery management in developing countries Fishers in developing countries do not have the resources to acquire advanced technologies to exploit offshore fish stocks. As a result, the United Nations Convention on the Law of the Sea requires countries to sign partnership agreements with distant water fishing nations (DWFNs) to exploit offshore stocks. However, for migratory stocks, the offshore may serve as a natural marine reserve (i.e., a source) to the inshore (i.e., sink); hence these partnership agreements generate spatial externality. Akpalu, Wisdom and Vondolia, Godwin K, 2011, "Bioeconomic model of spatial fishery management in developing countries", Working Papers in Economics 490, University of Gothenburg.

central america | Fisheries Parks & Wildlife The role of coastal communities on the management of marine turtles in Central America: The case of Ostional Wildlife Refuge To understand under which conditions a co-management alternative (a shared effort between the central government and the local community) might work to guarantee the sustainable use of a complex mobile common pool resource such as marine turtles.

south africa | Fisheries Development of the South African Water Resource Classification System (WRCS): a tool towards the sustainable, equitable and efficient use of water resources This paper describes the development and rationale of a holistic and transparent approach for evaluating the ecological, social and economic trade-offs in water allocation in order to set the ecological Reserve (freshwater allocation) to aquatic ecosystems. Dollar, E. S. J., Nicolson, C. R., Brown, C. A., Turpie, J. K., Joubert, A. R. Turton, A. R., Grobler, D. F., Pienaar, H. H., Ewart-Smith J. and Manyaka, S. M. 2010. Development of the South African Water Resource Classification System (WRCS): a tool towards the sustainable, equitable and efficient use of water resources in a developing country. Water Policy 12: 479–499.

south africa | Fisheries River flows and offshore crustacean fisheries in South Africa This paper uses empirical data on the crustacean and linefish fisheries to estimate the potential impacts of changes in freshwater flows on the industry, using a modelling approach. Turpie, J.K. & Lamberth, S.J. 2010. Characteristics and value of the Thukela Banks crustacean and linefish fisheries, and the potential impacts of changes in river flow. African Journal of Marine Science 32: 613–624.

tanzania | Fisheries A study on sustainable exploitation of marine finfish resources in Tanzania, Case study of Mafia Mafia island and Tanzania fishery ground is rich in variety of vertebrates and fish stock. Because of diversity and variety of these marine resources it is experiencing an increase in fishing effort particularly fishermen, fishing vessel and various fishing gear. This resulted from increase in indigenous and migrant’s fishermen and forces raise complexity in management. To reduce over exploitation burden the maximum level of effort enabling sustainable exploitation has to be determined to support measures like introduction of protected marine areas, restricting destructive gears and beach management unit already taken. Kassimu Eliamini Tani 2010, “A study on sustainable exploitation of marine finfish resources in Tanzania, Case study of Mafia”, A Dissertation Submitted in Partial Fulfillment of the Requirements for the Degree of Masters of Arts (Economics) of the University of Dar es Salaam

eeu sweden | Fisheries Policy design Consequences of Subpopulation Structure on Fisheries Management: Cod (Gadus morhua) in the Kattegat and Öresund (North Sea) This study shows how cod subpopulations may have been eradicated as a consequence of the use of imperfect models for assessing stock assessment, depleting what was formerly a productive sea. The Kattegat and resund (North Sea) were chosen as study objects due to the combination of different exploitation patterns and the possible existence of separate stock units. The scenario was further elaborated by simulating the potential harvest of fishing for different long-run levels of fishing effort as well as stock size. The study clearly indicated that new policy instruments are needed but these instruments need to be carefully fine-tuned to take into account real biological as well as social factors. Svedäng, H., Stål, J., Sterner, T. and Cardinale, M. “Consequences of Subpopulation Structure on Fisheries Management: Cod (Gadus morhua) in the Kattegat and Öresund (North Sea)”, Reviews in Fisheries Science, 18(2), 139-150, 2010.

eeu sweden tanzania | Fisheries Regulatory Compliance in Lake Victoria Fisheries This analysis of the fishers’ compliance with regulations in Lake Victoria, Tanzania, gives support to the traditional economics-of-crime model and shows that the extension of the basic deterrence model can lead to a richer model with substantially higher explanatory power. Eggert, H. and R. Lokina “Regulatory Compliance in Lake Victoria Fisheries” Environment and Development Economics Volume 15(2), 197-217, 2010.

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Fisheries

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2011-05-27

Optimum tax on foreign fishing in Africa protects stocks and domestic fishing

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